Folding Patents (Class 156/204)
  • Patent number: 5897731
    Abstract: A three dimensional cellular shade 20 attached to a roller. The cells 28 of the shade expand outward as the shade is unrolled. The shade is made from two sheets of fabric. One of the fabrics is decorative 24, the other fabric 22 is more functional. The decorative fabric 24 is longer in length than the functional fabric 22. The two fabrics are joined together along a plurality of joints 26 extending down the length of the shade. These joints are uniformly displaced from one another. The ratio of decorative fabric to functional fabric between any two joints is greater than one. This ratio is important for ensuring that the cells will expand outward as the shade is unrolled.
    Type: Grant
    Filed: August 21, 1997
    Date of Patent: April 27, 1999
    Assignee: Hunter Douglas Inc.
    Inventors: Wendell B. Colson, Raymond A. Auger
  • Patent number: 5894044
    Abstract: A method of making a honeycomb structure includes the step of intermittently slitting a sheet of material such that longitudinal slits are aligned in alternating staggered rows. Each staggered row has a lateral centerline spaced substantially uniformly from adjacent row centerlines. The longitudinal slits in each staggered row have substantially uniform lateral spaces between each slit. Another step is applying continuous stripes of adhesive laterally across a top side and a bottom side of the sheet such that each stripe is spaced apart longitudinally and centered on a row of slits. The stripes alternate between the top side and the bottom side. Still another step includes pleating the sheet such that pleats run longitudinally. Each pleat has a top fold and a bottom fold aligned with a longitudinal slit. Yet another step involves gathering the pleats together in a closed stack and compressing the stack to cause the stripes of adhesive to bond the pleats together at adhesive contact points.
    Type: Grant
    Filed: April 21, 1997
    Date of Patent: April 13, 1999
    Assignee: The Procter & Gamble Company
    Inventors: John D. Norcom, Bradford S. Barron
  • Patent number: 5888620
    Abstract: The process for making a wood board comprises the steps of: a) providing elongated pieces of wood each from a coniferous wood and each having a rectangular cross section; b) detecting an average fiber density of each of the pieces of wood; c) selecting among the pieces of wood those having an average fiber density at least equal to a predetermined fiber density; d) planing off edges of the pieces of wood selected in step c); and e) bonding side by side the pieces of wood planed off in step d) by means of their edges to form the wood board. The board produced thereby shows excellent mechanical characteristics. An advantage of the present invention is to provide a process for making high strength lumber products from coniferous trees which are traditionally considered as nonstructural wood.
    Type: Grant
    Filed: October 2, 1997
    Date of Patent: March 30, 1999
    Assignee: Cooperative Forestiere Laterriere
    Inventor: Raoul Grenier
  • Patent number: 5885392
    Abstract: A filter element, e.g. for an oil filter, which may be annular, is formed from an elongate sheet of paper or paper-like material having elongate side edges, and strips of hot-melt adhesive are applied to extend with one strip of adhesive 10 immediately adjacent one longitudinal side edge and another strip of adhesive similarly immediately adjacent the other elongate side edge of the sheet. The sheet is then folded in concertina fashion, to form an assembly of a plurality of stacked panels 14, which are hinged at folds alternatively on one side and the other of the concertina assembly, whereafter the panels are pressed together whereby alternate pairs of adjacent panels are secured together, and whereby adhesive is squeezed beyond the ends of the secured panels to form beads 16 of adhesive.
    Type: Grant
    Filed: June 4, 1997
    Date of Patent: March 23, 1999
    Assignee: AlliedSignal Inc.
    Inventor: Robert S. Mules
  • Patent number: 5879500
    Abstract: A disposable undergarment forming apparatus and methods are provided for forming disposable undergarments. The apparatus preferably includes a core former positioned to form a stream of undergarment cores. The core former includes a mat securer positioned to secure each of a plurality of undergarment mats to a sheet of a polymeric material and a first separator positioned downstream from the mat securer for separating the stream of undergarment cores into a plurality of individual cores. An elastic waistband former preferably is positioned adjacent the core former for forming elastic waistbands. A waistband securer is positioned downstream from the core former and positioned to receive the elastic waistbands from the elastic waistband former for securing the waistbands to the plurality of individual undergarment cores to thereby form a chain of a plurality of undergarments. A folder is positioned downstream from the waistband securer for folding each of the plurality of undergarments of the chain.
    Type: Grant
    Filed: June 21, 1996
    Date of Patent: March 9, 1999
    Inventors: Robert M. Herrin, John M. Tharpe
  • Patent number: 5876545
    Abstract: A fabric for use in an architectural covering device includes a plurality of elongated vanes preferably of tubular configuration having a pair of flaps extending longitudinally along the entire length of the vane. A continuous face sheet material has elongated folds at spaced intervals that are secured along the flaps of the vanes so as to pivotally connect the vanes to the face sheet material at predetermined spaced intervals. The fabric is adapted to be supported with an operational system in an architectural opening so that if the vanes are suspended vertically they are slidably movable laterally of the window opening and pivotally movable about vertical longitudinal axes to extend and retract as well as open and close the covering. An apparatus and method for forming the fabric is also disclosed as well as systems for finishing the endmost vanes in the fabric.
    Type: Grant
    Filed: April 24, 1996
    Date of Patent: March 2, 1999
    Assignee: Hunter Douglas Inc.
    Inventors: Paul G. Swiszcz, Dwight L. Greenough, Ricardo Ramirez, Wendell B. Colson
  • Patent number: 5871830
    Abstract: A fibrous product is produced by providing a collection of fibrous material, and encapsulating the fibrous material by covering the fibrous material with a film to form an encapsulated blanket of the fibrous material. The encapsulated blanket is then needled to cause entanglement of the fibrous material, thereby producing a needled, encapsulated fibrous product.
    Type: Grant
    Filed: February 29, 1996
    Date of Patent: February 16, 1999
    Assignee: Owens Corning Fiberglas Technology, Inc.
    Inventor: William S. Miller
  • Patent number: 5868889
    Abstract: A process for manufacturing a fluid filter and a device for carrying out the process in which a fluid-permeable material is pre-folded to form a first filter region including a number of fold walls arranged as substantially zig-zag shaped continuous folds having at least one folded edge portion including a plurality of folded edges. An adhesive is applied in a form of strips or threads to a substantially flat substrate material. The adhesive strips or threads on the substrate material are brought into contact with the folded edge portion in an orientation crossing the folded edges of the folded edge portion for interconnecting the fold walls and so that the substrate material essentially covers the entire folded edge portion. The adhesive is cured for bonding the strips or threads of adhesive to the folded edge portion.
    Type: Grant
    Filed: June 28, 1996
    Date of Patent: February 9, 1999
    Assignee: "Jacobi" Systemtechnik GmbH
    Inventor: Kai Kahler
  • Patent number: 5855574
    Abstract: A method of manufacturing an absorbent article, and an absorbent article, in the form of a pants-type diaper or a sanitary panty, starting from a flat blank which includes an elongated absorbent body enclosed between two casing sheets which at opposing front and rear end parts of the absorbent body have side parts which extend laterally beyond the body on both sides thereof. The method includes the step of folding the blank around a transverse axis so that the end edges of the side parts lie edge-to-edge. At least one folded band of flexible material is placed between each pair of front and rear side parts which lie opposite one another in the folded state of the blank, and the free ends of the bands are fastened to adjacent side parts.
    Type: Grant
    Filed: October 4, 1996
    Date of Patent: January 5, 1999
    Assignee: SCA Hygiene Products Aktiebolag
    Inventors: Robert Kling, Urban Widlund, Gunilla Hedlund
  • Patent number: 5833805
    Abstract: A unique method of producing a reinforced moulded sheet having one continuously planar face and having a plurality of ribs or thickened areas which provide a corresponding plurality of prominences directed outwardly of the other face, said prominences having predetermined shapes, locations and dimensions to serve as reinforced areas for said sheet. And a series of new or improved composite hollow moulded panels, each comprised of at least two co-extensive elements, each of said panels being reinforced and improved by the provision of at least one of said reinforced moulded sheets as an external element of said at least two co-extensive elements, the ribs or thickened areas of said reinforced sheet being glued internally of said hollow panel to the adjacent co-extensive element thereof.
    Type: Grant
    Filed: November 19, 1996
    Date of Patent: November 10, 1998
    Inventor: Roy William Emery
  • Patent number: 5827384
    Abstract: An improved method for bonding webs. The method includes overlapping two webs, slitting the two webs, reoverlapping the two webs and bonding the two webs together. The steps of reoverlapping the two webs may be accomplished with a number of different types of devices including but not limited to: a bumpered roll, a notched roll, a crowned roll, a bowed roll, an out of plane roll, and variable speed rolls.
    Type: Grant
    Filed: July 18, 1997
    Date of Patent: October 27, 1998
    Assignee: The Procter & Gamble Company
    Inventors: David Lee Canfield, Michael Douglas Hill, Stephen Joseph Lange, Ronald James Lynch, Paul Jackson Marshall, Mark David Whaley
  • Patent number: 5804073
    Abstract: A method for making a pleated structure having a pleated shape memory includes providing an elongated material having a longitudinal axis; pleating the material to form a pleated structure having a plurality of substantially parallel pleats substantially parallel to the longitudinal axis; folding the material along a plurality of axes substantially perpendicular to the longitudinal axis to form folds and provide a folded structure defining wall portions between the folds and face portions at the folds; heating the material in the pleated structure so as to provide a heated material; and cooling the heated material so as to provide the material with shape memory toward the pleated structure.
    Type: Grant
    Filed: July 22, 1996
    Date of Patent: September 8, 1998
    Inventor: Dirk Dieter Hans Ter Horst
  • Patent number: 5804014
    Abstract: A process and apparatus is provided for producing a filter insert for a fluid filter. The insert is comprised of filter material having a number of fold walls arranged in a zigzag-shaped continuous fold. Adjacent fold walls are connected to one another and rest on one another at least in part by means of an adhesive spacer. A strip of the filter material is provided with indentations which determine positions of fold edges. The adhesive spacers are applied to at least corresponding areas of those parts of the strip of filter material which will become adjacent fold walls when the filter insert is complete. The strip of filter material is folded at the indentations in partial steps, including a first partial step of folding the filter material into folds at a small spacing, and a second partial step of pulling the folds apart again by a predetermined amount so that at least some of the adhesive spacers have a height which is not constant in a direction at right angles to the fold edges.
    Type: Grant
    Filed: June 28, 1996
    Date of Patent: September 8, 1998
    Assignee: Detroit Holding Limited
    Inventor: Kai Kahler
  • Patent number: 5785786
    Abstract: An ultrasonic welding method for welding a first metal sheet to a second metal sheet by using an anvil and a horn includes the following steps. The first metal sheet includes a protective portion, a protected portion and a middle portion therebetween. The protective portion is folded back over the protected portion along a return line on the middle portion. The first metal sheet is mounted on the second sheet in such a way that the protected portion lays between the protective portion and the second metal sheet. The first metal sheet may be a stripped conductive flat cable; the second metal sheet may be a copper sheet; and the middle portion of the first metal sheet may remain covered by its covering material.
    Type: Grant
    Filed: January 28, 1997
    Date of Patent: July 28, 1998
    Assignee: Yazaki Corporation
    Inventors: Masataka Suzuki, Hiroyuki Ashiya, Atsushi Masuda
  • Patent number: 5766388
    Abstract: The present invention utilizes the smooth continuous motion of a masking belt to concentrate air-entrained absorbent materials on the surface of a moving fibrous substrate. Air flowing through the open areas of the masking belt carries the entrained material into the fibrous web. The fibrous web acts as a filter to separate the entrained material from the air stream. Substantially all dispensed material is captured by the fibrous web, and expensive and complex absorbent material recycle systems can be eliminated.
    Type: Grant
    Filed: March 4, 1997
    Date of Patent: June 16, 1998
    Assignee: McNeil-PPC, Inc.
    Inventors: Kenneth Pelley, Lynn Foelsch, William M. Bickley
  • Patent number: 5753001
    Abstract: A self-supporting filter unit having at least one passage (10) defined by wall portions (12) made from air-permeable fiber fabric, through which wall portions air can pass and be drawn off along the passage but which prevent the passage therethrough of dust and/or other debris carried by such air, in which the passage is closed off at one end portion and at the other end portion there is formed integral with said wall portions a rigid mounting portion (16) into which the passage (10) opens whereby the filter unit can be supported as part of a filter assembly, wherein the mounting portion (16) includes a first reinforcing portion (18) of material around and secured with said fabric of the wall portion parts of the first reinforcing portion and fabric integral therewith remote from said one end being outwardly flanged, and wherein the mounting portion (16) further includes a second reinforcing portion (20,21) of material positioned over the outwardly flanged portions and secured thereto, said second reinforcing
    Type: Grant
    Filed: January 30, 1997
    Date of Patent: May 19, 1998
    Assignee: Texin UK Limited
    Inventor: Anthony Thomas Greatorex
  • Patent number: 5749989
    Abstract: A method for producing a pant-style garment from a substrate having a plurality of tensioned garters. A garter is any continuous loop of elastic material or a laminate of elastic bands and one or more flexible backing sheets. In one embodiment a substrate is joined to one or more mandrels having tensioned garters fitted thereon. Substrate material is removed from within the loop of the garter, thereby forming apertures in the substrate. The substrate is folded along its longitudinal centerline such that its longitudinal edges meet. The substrate is subsequently joined along lines of joinder, and the substrate is cut into individual pant-style garments. In preferable embodiments, a process for providing elastics to the longitudinal edges of the substrate, thereby producing elasticized waistbands is included.
    Type: Grant
    Filed: May 13, 1996
    Date of Patent: May 12, 1998
    Assignee: The Procter & Gamble Company
    Inventors: E. Kelly Linman, Russell P. Bridges
  • Patent number: 5746862
    Abstract: A tube of polyethylene or similar polymeric material having a continuous sidewall is extruded using conventional technology. Two horizontal gussets are formed from the sidewall of the tube, one on each side. The tube is flattened into a substantially flat workpiece. The workpiece is heat sealed at locations predetermined by the configuration of the container in which it is to be inserted. Concurrently with the heat sealing pass, or shortly thereafter, cuts are made to separate manufacturing waste material from the tube. The waste material is recycled into the feedstock of the extruder. The sealed workpiece is split axially into two substantially equal portions, each containing a complete gusset, thereby forming two completed liners.Alternatively, one horizontal gusset is formed in the sidewall of the tube. As in the first embodiment, the workpiece is heat sealed at locations predetermined by the configuration of the container in which it is to be inserted.
    Type: Grant
    Filed: October 26, 1995
    Date of Patent: May 5, 1998
    Assignee: Super Sack Mfg. Corp.
    Inventor: Norwin C. Derby
  • Patent number: 5741379
    Abstract: The present invention pertains to an insulation board made of a secondary mat formed by multiply folding a primary mat, characterized in that the primary mat has a coating of an impregnating agent at least on one side.
    Type: Grant
    Filed: July 18, 1995
    Date of Patent: April 21, 1998
    Assignee: Heraklith Baustoffe AG
    Inventor: Christof Tschernuth
  • Patent number: 5733401
    Abstract: A method for producing a pant-style garment from a substrate having a plurality of tensioned garters. A garter is any continuous loop of elastic material or a laminate of elastic bands and one or more flexible backing sheets. In one embodiment a substrate is joined to one or more mandrels having tensioned garters fired thereon. Substrate material is removed from within the loop of the garter, thereby forming apertures in the substrate. The substrate is folded along its longitudinal centerline such that its longitudinal edges meet. The substrate is subsequently joined along lines of joinder, and the substrate is cut into individual pant-style garments. In preferable embodiments, a process for providing elastics to the longitudinal edges of the substrate, thereby producing elasticized waistbands is included.
    Type: Grant
    Filed: June 5, 1997
    Date of Patent: March 31, 1998
    Assignee: The Procter & Gamble Company
    Inventors: E. Kelly Linman, Russell P. Bridges
  • Patent number: 5714027
    Abstract: A method of folding and handling a web of material in a continuous manufacturing operation is disclosed. The method can be used during the process of making disposable absorbent articles, such as sanitary napkins and the like which have side flaps. During the method, a discontinuous portion (or tab) defined by the distal edge of the web of flap material is held stationary and the continuous portion (or continuous ribbon) of the web of flap material is folded.
    Type: Grant
    Filed: March 22, 1996
    Date of Patent: February 3, 1998
    Assignee: The Procter & Gamble Company
    Inventor: Stewart Lawrence Taub
  • Patent number: 5711832
    Abstract: A process for making disposable absorbent articles including continuously moving a first layer in a first direction and a second layer in a second direction, continuously providing elongate elastic members to the first layer and to the second layer, folding the layers over the elongate elastic members, joining the elongate elastic members to the layers to form first and second continuous elastic composites, continuously moving a base layer having opposite edge portions, continuously delivering the first and the second continuous elastic composites to respective edge portions of the base layer, joining the first and the second continuous elastic composites to the edge portions of the base layer, providing a plurality of spaced apart absorbent structures on the base layer, folding the continuously moving base layer, bonding the folded base layer between the absorbent structures, and cutting the folded base layer to form a plurality of disposable absorbent articles.
    Type: Grant
    Filed: May 31, 1995
    Date of Patent: January 27, 1998
    Assignee: Kimberly-Clark Worldwide, Inc.
    Inventors: Frank Steven Glaug, Margaret Ann Kato
  • Patent number: 5704930
    Abstract: An absorbent article, such as a sanitary napkin, having flaps and zones of differential extensibility for relieving the stresses that develop in the flaps when the flaps are folded down along the edges of crotch of the wearer's undergarments is provided.
    Type: Grant
    Filed: September 5, 1996
    Date of Patent: January 6, 1998
    Assignee: The Procter & Gamble Company
    Inventors: Bruce William Lavash, Thomas Henrich, Carl Louis Bergman, Raymond John Dirk, Kaoru Niihara, Thomas Ward Osborn III, Jeffrey Vincent Bamber
  • Patent number: 5702801
    Abstract: A corrugated fiberfill structure is provided including at least one fibrous web folded to form a plurality of pleats having alternating crests and bases, each of the pleats having a pair of legs in which each of the legs has a first leg surface and a second leg surface, the first leg surface of one leg being in intimate contact with the first leg surface of an adjoining leg of the pleat and the second leg surface of the one leg being in intimate contact with the second leg surface of one adjoining leg of an adjacent pleat over a portion of each leg. At least some crests define a first structural surface and at least some bases define a second structural surface; with the distance between the first and second structural surfaces defining the thickness of the structure. The pleats of the structure are so arranged across the thickness that the density of the structure varies between the first and second structural surfaces.
    Type: Grant
    Filed: October 25, 1995
    Date of Patent: December 30, 1997
    Assignee: Shinih Enterprise Co., Ltd.
    Inventor: Jung-Fu Chien
  • Patent number: 5702552
    Abstract: A method and apparatus for forming a pleated cellular shade product from a single web of material to provide different physical characteristics on opposite sides of the shade product. A web is provided having alternate first and second stripe areas extending crosswise of the web at a preset repeat spacing and the striped web is folded crosswise of the web alternately in a first direction along a first fold line intermediate side edges of the first stripe area and in a second direction along a second fold line intermediate side edges of each second stripe area to form a plurality of sidewise adjacent panels serially united in alternate succession along respective first and second fold lines.
    Type: Grant
    Filed: September 4, 1990
    Date of Patent: December 30, 1997
    Assignee: Springs Window Fashions Division, Inc.
    Inventors: Darrell J. Kutchmarek, James H. Stauffacher
  • Patent number: 5688349
    Abstract: A cover sheet for medical tables, beds or gurneys comprises a sheet formed from a high tensile strength, plastic with opposed ends of the sheet folded and seamed to provide pockets. The pockets are inverted for assemblage over the ends of the medical tables, beds or gurneys. Methods of continuously fabricating such cover sheets from a roll of plastic material are also disclosed.
    Type: Grant
    Filed: July 17, 1995
    Date of Patent: November 18, 1997
    Assignee: PHD Corporation
    Inventor: Timothy D. Herum
  • Patent number: 5683533
    Abstract: A method for manufacturing side panels for use with disposable articles including the following steps: providing a web of material in a machine direction, the web having activation zones and designated final cut regions; activating the activation zones; making a series of intermediate cuts in the web, each of the intermediate cuts extending across at least a portion of one of the activation zones; making a folded web by folding the web along an axis that is generally parallel to said machine direction; and cutting the folded web in the designated final cut regions to provide individual extensible side panels.
    Type: Grant
    Filed: March 5, 1996
    Date of Patent: November 4, 1997
    Assignee: The Procter & Gamble Company
    Inventors: James A. Keighley, Donald L. Gerber, Michael G. Nease, Mark D. Midkiff
  • Patent number: 5676778
    Abstract: The present invention provides for a method of manufacturing a filter assembly having a filter frame member (402) and the filter assembly (500) produced thereby. The method includes the step of supporting a filter media (202) preferably using a pair of support members (102 and 204). The support members (102 and 204) hold the filter media in place and allow portions of the filter media (202) to be exposed around the media's periphery. Next, a filter support frame (402) is placed around and in proximity to the exposed filter media. The filter support frame (402) is then welded, preferably ultrasonically, to the exposed portions of the filter media. Once welded, the pleated filter assembly is removed from the support members (102 and 204).
    Type: Grant
    Filed: September 5, 1995
    Date of Patent: October 14, 1997
    Assignee: The Racal Corporation Canada Inc.
    Inventor: Keith Stewart Marble
  • Patent number: 5665191
    Abstract: The present invention relates to a method and to an arrangement for creating in a web (1) of sheet material a fold which includes at least one elastic thread (4). The web is placed on two mutually separated carrier elements (2, 3), and at least one prestretched elastic thread (4) is placed over the web in the space between the opposing edges of the carrier elements.
    Type: Grant
    Filed: November 9, 1995
    Date of Patent: September 9, 1997
    Assignee: SCA Molnlycke AB
    Inventors: Dan Johansson, Leidulf Indreb.o slashed.
  • Patent number: 5643377
    Abstract: A process for making a wearable, absorbent article is described wherein two longitudinally extending barrier leg cuffs are attached to a chassis and the barrier leg cuffs are joined to the article so that they are directed inwardly toward a longitudinally extending centerline in the first waist region of the article and directed outwardly away from the longitudinally extending centerline in the second waist region of the article. The method describes the cuffs as being first attached in the first waist region and then in the second waist region in one embodiment and, in another embodiment, being attached in the second waist region first and then in the first waist region of the article.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: July 1, 1997
    Assignee: The Procter & Gamble Company
    Inventor: Stanley George Juergens
  • Patent number: 5643383
    Abstract: Sleeve intended to be placed around a container, such as a can or the like, in order to constitute an information medium and formed by a body made of a plastic sheet which is shaped in order to fit on the perimeter of the container and capable of taking printing, wherein at least two flap-forming parts (7, 8) are fixed to the sleeve body (6) by a fixing mechanism (5), each by a first edge parallel to the generatrix of the body (6), and extending so as to be able to end up covering all or part of the sleeve body (6), and wherein at least one of the faces of the flap-forming parts is also capable of taking or displaying printing.
    Type: Grant
    Filed: June 5, 1995
    Date of Patent: July 1, 1997
    Assignee: Decomatic S.A.
    Inventor: Jean-Luc Allegre
  • Patent number: 5637376
    Abstract: Automatic machine (110) for assembly of piles (45) of packages for plastic laminates comprising a feed unit with two carriages (60, 80) each carrying two reels of bands respectively of copper (20, 22) and of insulating material (21, 23), and a hoisting unit (120) for the work table, the pile (45) being formed by causing the carriages (60, 80) to move back and forth cross the work table, the bands (12-15) being held in position by special devices (181, 182) before each stroke made by the carriages (60, 80), there being placed after each bend at 180.degree. of the bands (12-15), alternatingly, an intermediate sheet (30) and a set of sheets (35, 36) of prepreg.
    Type: Grant
    Filed: October 10, 1995
    Date of Patent: June 10, 1997
    Assignee: Cedal S.R.L.
    Inventor: Bruno Ceraso
  • Patent number: 5630898
    Abstract: A tabbed honeycomb structure or pleated panel is made from a stack of collapsed multi-cellular material. The stack is split at bond lines thereby forming the panels of pleated or honeycomb material having a joint tab on one face.
    Type: Grant
    Filed: March 29, 1995
    Date of Patent: May 20, 1997
    Inventor: Ren Judkins
  • Patent number: 5622583
    Abstract: A filter insert and a method for producing the same in which the filter insert has an accordion-folded filter medium. In a first operating step, folded edges are impressed on the filter medium. Subsequently, by glue application devices which are provided with glue application nozzles, at least two glue beads are applied to the surface of the filter medium and the folding is carried out subsequently. At least one of the glue application devices is movable transversely to the transport direction of the filter medium.
    Type: Grant
    Filed: August 29, 1994
    Date of Patent: April 22, 1997
    Assignee: Filterwerk Mann & Hummel GmbH
    Inventors: Volker Ernst, Arthur Klotz, Michael Kolmeder, Bernhard Wimmer
  • Patent number: 5618364
    Abstract: Lofty battings are prepared by a process involving carding to make one or more webs of fibers, preferably using a blend of mechanically-crimped filling fibers with bicomponent fibers of helical configuration, and that preferably also contains binder fibers, the fiber orientations preferably being randomized in the web(s) before cross-lapping to build up the batt, and preferably followed by spraying with resin and curing, thus providing a bonded batt in which the loft is improved by the presence or the different crimp configurations and/or randomized orientations that are fixed in the fibers in the bonded batt.
    Type: Grant
    Filed: January 3, 1996
    Date of Patent: April 8, 1997
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Wo K. Kwok
  • Patent number: 5618366
    Abstract: A welding method for a disposable diaper includes the steps of putting wing-like portions 21, 22 provided on front and rear bodies 5, 6 including a topsheet 2, a backsheet 3 and a core 4 sandwiched therebetween, one upon another, with the topsheet disposed face to face; placing covering sheets 20 on an outer surface of the wing-like portions, both the covering sheets and the wing-like portions having a melting point higher than the melting point of the backsheet; and welding, under heat and pressure exerted from above the covering sheets, laterally opposite side edges of the wing-like portions.
    Type: Grant
    Filed: March 31, 1995
    Date of Patent: April 8, 1997
    Assignee: Uni-Charm Corporation
    Inventor: Makoto Suekane
  • Patent number: 5616201
    Abstract: A mitt wipe is provided for wiping and cleaning waste from the body. The mitt wipe includes a mitt body having a top layer and a bottom layer forming an interior space and a mitt opening. An access flap member is adjacent to the mitt opening and extends outwardly beyond the bottom end of the top layer, and a reinforcing cuff member is adjacent to the bottom end of the top layer. A process is provided for making the mitt wipe.
    Type: Grant
    Filed: May 8, 1995
    Date of Patent: April 1, 1997
    Assignee: Kimberly-Clark Corporation
    Inventors: Valerie V. Finch, Frank S. Glaug, Christopher P. Olson, Kathleen I. Ratliff, Donald A. Sheldon
  • Patent number: 5611879
    Abstract: An absorbent article, such as a sanitary napkin, a diaper, training pants, an incontinent garment or a bedpad is disclosed for absorption of human exudate. The absorbent article includes an absorbent having a homogeneous composition with an essentially constant density in the x-y plane. The absorbent has at least two distinct portions which are integrally joined together by a junction line and each portion has a thickness different from an adjacent portion. The absorbent is folded on the junction line to obtain a variable density along the z axis. The folded absorbent also has a uniform capillary size in the x-y plane and a variable capillary size in the z direction. The absorbent article further includes a liquid-permeable cover which is positioned adjacent to at least one surface of the absorbent. A method of forming the article is also disclosed.
    Type: Grant
    Filed: April 15, 1991
    Date of Patent: March 18, 1997
    Assignee: Kimberly-Clark Corporation
    Inventor: Michael T. Morman
  • Patent number: 5593755
    Abstract: Packing material and method in which a sheet of paper stock is folded in opposite directions along alternate parallel lines to form a series of ridges and valleys, cuts are made in the stock at intervals spaced along the ridges, and sections of the stock adjacent to the cuts are folded in a reverse direction along the fold lines at the ridges to form downwardly extending pleats beneath the ridges. The material can be crumpled for use as a dunnage material or wrapped about an item to be protected. In one disclosed embodiment, the material can be compressed for shipping and storage and expanded for use. In another, which is particularly suitable for use as a protective wrap, the folded stock is affixed to a backing sheet.
    Type: Grant
    Filed: March 7, 1995
    Date of Patent: January 14, 1997
    Assignee: Free-Flow Packaging Corporation
    Inventor: Gunter G. Fuss
  • Patent number: 5589014
    Abstract: A method and apparatus are provided for forming pleats in a thermoplastic material by feeding a continuous web of sheet-like thermoplastic material to a pleat forming apparatus and subsequently drawing the web through a bonding device. The pleat forming apparatus includes a rotating drum that has a plurality of apertures and a plurality of radially extensible teeth positioned in peripheral slots. The teeth are spring-biased inwardly to a retracted position within the drum but are extendable, under the urging of an internal cam, to a position wherein a portion of each tooth protrudes outwardly from the drum. The web is carried around the drum and the teeth protrude into the web forming pleats.
    Type: Grant
    Filed: July 21, 1994
    Date of Patent: December 31, 1996
    Assignee: Converting, Inc.
    Inventor: Dennis G. Hicks
  • Patent number: 5580409
    Abstract: Compositions and methods for manufacturing containers from sheets having a hydraulically settable matrix. Suitable compositions are prepared by mixing together a hydraulic binder, water, and appropriate additives (such as aggregates, fibers, and rheology-modifying agents) which impart predetermined properties so that a sheet formed therefrom has the desired performance criteria. Hydraulically settable sheets are formed from the mixture by extrusion, then calendering the sheets using a set of rollers and then drying the sheets in an accelerated manner to substantially harden the sheets. The resulting hydraulically settable sheets may have properties substantially similar to sheets made from presently used materials like paper, cardboard, polystyrene, or plastic. The sheets can be laminated, corrugated, coated, printed on, scored, perforated, cut, folded, rolled, spiral wound, molded, assembled and seamed to mass produce articles of manufacture from the sheets such as food and beverage containers.
    Type: Grant
    Filed: December 7, 1993
    Date of Patent: December 3, 1996
    Assignee: E. Khashoggi Industries
    Inventors: Per J. Andersen, Simon K. Hodson
  • Patent number: 5576091
    Abstract: An absorbent article is described which has a moisture-impervious backing layer, a liner sheet comprising an integral sheet, and an absorbent-core layer positioned between the liner sheet and the backing layer. Raised elasticized barrier means form a pocket to receive exudates. The barrier means may include elastic bands that are attached only to the liner sheet in the crotch portion of the article, such as by an adhesive. The liner sheet is bonded to the backing sheet adjacent leg-opening portions of the article, but is not bonded to the backing sheet at regions of the liner sheet adjacent first and second edges of the elastic bands, such as from at least about 5 mm to about 20 mm adjacent the first and second edges of the elastic bands. Preferably, the liner sheet is free of adhesive for a region of about 8 mm to about 12 mm adjacent the first and second edges of the elastic bands. The absorbent article may be substantially hourglass shaped, or substantially rectangular shaped.
    Type: Grant
    Filed: August 16, 1994
    Date of Patent: November 19, 1996
    Assignee: Paragon Trade Brands, Inc.
    Inventors: Peter Zajaczkowski, Penny Lovestedt
  • Patent number: 5575781
    Abstract: An absorbent article useful in medical applications and particularly useful as a medical sponge. The article includes a multilayered absorbent web material having at least first and second side edges thereof twice-folded inwardly of the body of the article and at least an elongated radiopaque element anchored and fully covered by the marginal folds of the web material. In one embodiment, there is included a flexible loop element having its opposite ends anchored in the marginal folds of the web material and having the bight portion thereof extending unsupported from its anchoring marginal folds. A method for the manufacture of the absorbent article is disclosed.
    Type: Grant
    Filed: October 5, 1995
    Date of Patent: November 19, 1996
    Assignee: DeRoyal Industries, Inc.
    Inventor: Autry O. V. DeBusk
  • Patent number: 5567254
    Abstract: A process for making a wearable, absorbent article is described wherein two longitudinally extending barrier leg cuffs as attached to a chassis and the barrier leg cuffs are joined to the article so that they are directed inwardly toward a longitudinally extending centerline in the first waist region of the article and directed outwardly away from the longitudinally extending centerline in the second waist region of the article. The method describes the cuffs as being first at ached in the first waist region and then in the second waist region in one embodiment and, in another embodiment, being attached in the second waist region first and then in the first waist region of the article.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: October 22, 1996
    Assignee: The Proctor & Gamble Company
    Inventor: David M. Sageser
  • Patent number: 5565050
    Abstract: A process for making a wearable, absorbent article is described wherein two longitudinally extending barrier leg cuffs are attached to a chassis and the barrier leg cuffs are joined to the article so that they are directed inwardly toward a longitudinally extending centerline in the first waist region of the article and directed outwardly away from the longitudinally extending centerline in the second waist region of the article. The method describes the cuffs as being first attached in the first waist region and then in the second waist region in one embodiment and, in another embodiment, being attached in the second waist region first and then in the first waist region of the article.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: October 15, 1996
    Assignee: The Procter & Gamble Company
    Inventors: David M. Sageser, Stanley G. Juergens, Mark D. Midkiff
  • Patent number: 5560799
    Abstract: The present invention provides a method of producing in a single in-line process a printed image suitable for creating an illusion of depth in the perception of a viewer of the image, comprising the steps of:(1) providing an opaque web to an in-line printing process,(2) providing a transparent web to the in-line printing process, the transparent web having a lenticular surface on one side and a flat surface on an opposing side,(3) transporting either the opaque web or the transparent web to a first printer unit of the in-line printing process at a preselected speed and printing a line-formed image on the opaque web or the flat surface of the transparent web, the line-formed image being compatible for viewing when viewed through the lenticular surface of the transparent web, and(4) setting the image on either the opaque web or flat surface of the transparent web in a heat setting unit of the in-line printing process.
    Type: Grant
    Filed: December 22, 1993
    Date of Patent: October 1, 1996
    Inventor: Gary A. Jacobsen
  • Patent number: 5545274
    Abstract: A toy flower maker is made of two flat adjacent plates, a roller disposed through one plate and engaging the second plate, and a slot disposed near the bottom for insertion and retention of a tie for tying the toy flower after it is made. In operation, a flexible paper is placed in between the plates and adjacent the roller; the roller is rotated to transport the paper toward the end of the plates, where the paper engages the tie inserted into the slot. When the sheet is substantially transported past the roller, the tie is secured around the sheet, and the edges of the paper are spread radially outward, forming the toy flower.
    Type: Grant
    Filed: April 29, 1994
    Date of Patent: August 13, 1996
    Inventor: Susannah Rosenthal
  • Patent number: 5545284
    Abstract: A method and apparatus of manufacturing laminate for honeycomb structure. The invention includes first and second adhesive agent applying units, each of which applies an adhesive agent to a material strip in parallel strips, first and second pressing rolls corresponding to each of said adhesive agent applying units, and a layering table reciprocated by a predetermined stroke. The second stripes of the adhesive agent are displaced transversely by a half pitch from the first stripes of the adhesive agent. The adhesive agent applying units and the pressing rolls are disposed immediately above the layering table and the rolls press the material strip being fed onto the layered material strip, and are moved between an operating position and an inoperative position with relation to the movement of the layering table. The layering table is movable and a roll stand housing the pressing rolls moves in a direction opposite to that of the layering table.
    Type: Grant
    Filed: October 28, 1994
    Date of Patent: August 13, 1996
    Assignee: Oji Kenzai Kogyo Co., Ltd.
    Inventor: Noriyasu Miura
  • Patent number: 5527411
    Abstract: Improved insulating modular panels are manufactured to incorporate into each insulating modular panel at least one vacuum insulation panel. Vacuum insulation panels are conveyed seriatim toward a pultrusion die which ultimately produces the insulating modular panels as a continuous block. Joint spacings or gaps between adjacent vacuum insulation panels and sides of the vacuum panels are filled with foam or preformed filler material to form a substantially continuous inner core which has substantially continuous side edges. Reinforcement material is applied to the inner core. The reinforcement material can be impregnated with resin prior to its application to the inner core or resin may be injected into the pultrusion die. In either event, a continuous elongated block of insulating modular panels emerges from the pultrusion die. The continuous elongated block is severed at joint spacings or gaps between adjacent vacuum insulation panels to form insulating modular panels of desired sizes from the block.
    Type: Grant
    Filed: March 31, 1995
    Date of Patent: June 18, 1996
    Assignee: Owens-Corning Fiberglas Technology, Inc.
    Inventor: Ralph B. Jutte
  • Patent number: 5525188
    Abstract: An apparatus for taping wires of a wire harness includes first and second tape application heads interconnected together and disposed proximate to a wire guiding mechanism. Both of the first and second tape application heads have hollow inner cores which communicate with a source of negative air pressure to draw a vacuum in each tape application head which causes a strip of wire tape to adhere to the outer surfaces of the application heads. One of the application heads is brought into contact with a plurality of wires guided across the head, while the second application head rotates around a common axis shared by the two heads, whereby each of the first and second application heads generally oppose each other and apply the strip of tape to the wires.
    Type: Grant
    Filed: October 17, 1994
    Date of Patent: June 11, 1996
    Assignee: Molex Incorporated
    Inventor: Peter Ingwersen