Pleating Means Patents (Class 156/474)
  • Patent number: 9579592
    Abstract: A filter element has a pleated composite and first and second end elements mounted to opposite first and second ends of the filter element. The pleated composite has a filter medium layer and a grooved mesh drainage layer pleated with the filter medium layer. The grooved mesh drainage layer has a plurality of strands and a plurality of grooves formed in the strands. The grooved mesh drainage layer directs fluid via the grooves to or from the filter medium layer and the filter medium layer removes one or more substances from fluid flowing through the filter medium layer.
    Type: Grant
    Filed: April 6, 2015
    Date of Patent: February 28, 2017
    Assignee: Pall Corporation
    Inventor: Michael Whitlock
  • Patent number: 8991460
    Abstract: The present invention relates to the description of machine-assisted production assemblies and to the optimization thereof, said assemblies having, built therein, a patented device for folding into deep coated folds, thus making it possible to create paper packaging for fast food, said assemblies all comprising a folded element from a folded paper strip 31. Said machines are modular and all comprise, upstream, an assembly of modules 5, 6, and 7 that supply a folded paper strip 31 that is then converted in a specific finishing module 8 for making, from said lidded paper strip, a packaging for a sandwich or loose product such as fries or chicken pieces.
    Type: Grant
    Filed: October 5, 2010
    Date of Patent: March 31, 2015
    Inventors: Gilbert Capy, Akiva Buchberg
  • Patent number: 8272418
    Abstract: Described herein are various embodiments of an apparatus, system and method for manufacturing irregularly shaped panel filters. For example, according to one illustrative embodiment, a system for manufacturing irregularly shaped panel filters includes a filter medium source, a scoring section in filter medium receiving communication with the filter medium source, a first gathering section in filter medium receiving communication with the scoring section, an unfolding section in filter medium receiving communication with the first gathering section, a shaping section having a laterally moveable cutting portion in filter medium receiving communication with the unfolding section, and a second gathering section in filter medium receiving communication with the shaping section.
    Type: Grant
    Filed: October 22, 2007
    Date of Patent: September 25, 2012
    Assignee: Cummins Filtration IP, Inc.
    Inventors: Ana R. Considine, Larry T. Gunderson, David D. Helgeson, Amy K. Luttropp, Steven Stokstad
  • Patent number: 8114291
    Abstract: A filter coalescer element for oil based industrial fuels includes a rigid, porous support tube, and a hydrophobic drainage layer covering the outer surface of the same. A single phase, dual function combination water coalescer and particle filter pleat block is positioned in the support tube, and is formed from a multilayer material having a first porous support layer, a synthetic microfiber layer, a synthetic fiber media layer and a second porous support layer. As the fluid passes through the pleat block, solid particles are physically filtered therefrom, and water is coalesced into droplets which pass from the pleats directly through the support tube and directly into the drainage layer, where the droplets grow into a size sufficient that they fall under gravity to the bottom of the element for collection.
    Type: Grant
    Filed: July 25, 2011
    Date of Patent: February 14, 2012
    Assignee: Kaydon Custom Filtration Corporation
    Inventors: Jason A. Ellis, Ron J. Garrett
  • Patent number: 7972406
    Abstract: A filter assembly for a diesel particulate filter, the filter assembly having: a first end disk; a second end disk; a center tube secured to the first end disk by a sealing glass; a filter media secured to the first end disk and the second end disk by a sealing glass.
    Type: Grant
    Filed: August 11, 2008
    Date of Patent: July 5, 2011
    Assignee: Honeywell International Inc.
    Inventors: Jing Zheng, Kirk Maxey
  • Publication number: 20100071851
    Abstract: The present invention relates generally to the manufacture of oil filters. The present invention provides a channel roll with a unique design that minimizes the channel roll surface contact with oil filter media. The design includes the formation of ridges projecting from the surface of the channel roll of such a design that is sufficient to control movement of the roll of oil media into the oil media pleating process, yet greatly reduce the surface contact with the oil media.
    Type: Application
    Filed: September 23, 2008
    Publication date: March 25, 2010
    Applicant: PUROLATOR FILTERS NA LLC
    Inventors: Puenpit RICHBERG, Randy FRYE
  • Publication number: 20080053888
    Abstract: A filter coalescer element for oil based industrial fuels includes a rigid, porous support tube, and a hydrophobic drainage layer covering the outer surface of the same. A single phase, dual function combination water coalescer and particle filter pleat block is positioned in the support tube, and is formed from a multilayer material having a first porous support layer, a synthetic microfiber layer, a synthetic fiber media layer and a second porous support layer. As the fluid passes through the pleat block, solid particles are physically filtered therefrom, and water is coalesced into droplets which pass from the pleats directly through the support tube and directly into the drainage layer, where the droplets grow into a size sufficient that they fall under gravity to the bottom of the element for collection.
    Type: Application
    Filed: August 30, 2006
    Publication date: March 6, 2008
    Inventors: Jason A. Ellis, Ron J. Garrett
  • Patent number: 7235115
    Abstract: The method of forming pleated filter media includes providing a generally planar web of filter material, folding the web to form a pleated web having a plurality of fold lines, arranging the plurality of pleats in a first spaced configuration defined by a first distance between adjacent pleat tips, applying a continuous strand of adhesive to the web, and adjusting the arrangement of the plurality of pleats into a second spaced configuration defined by a second distance between adjacent pleat tips. The web has a front face and a rear face. Each fold line is intermediate oppositely sloping first and second wall surfaces. The plurality of fold lines form a plurality of pleats having a first plurality of pleat tips and a second plurality of pleat valleys. The second distance is different from the first distance.
    Type: Grant
    Filed: July 9, 2004
    Date of Patent: June 26, 2007
    Assignee: 3M Innovative Properties Company
    Inventors: Dean R. Duffy, Donald E. Young, Lowell E. Christensen, Douglas C. Sundet
  • Patent number: 6946012
    Abstract: A filter includes first and second sheets of filter media, the second sheet being pleated and forming with the first sheet a plurality of axially extending flow channels having lateral cross-sectional shapes with two adjacent included angles each greater than 45° and less than 75°. Forming apparatus and methods are provided.
    Type: Grant
    Filed: May 21, 2003
    Date of Patent: September 20, 2005
    Assignee: FleetGuard, Inc.
    Inventors: Robert K. Miller, Z. Gerald Liu, William C. Haberkamp, Barry M. Verdegan, Murray R. Schukar, A. Caner Demirdogen
  • Patent number: 6913059
    Abstract: A filter medium formed from a web of ceramic fibers, pleated and integrated into a coherent unit employing a ceramic sol. A method is disclosed.
    Type: Grant
    Filed: May 13, 2003
    Date of Patent: July 5, 2005
    Assignee: Industrial Ceramic Solutions
    Inventor: Richard D. Nixdorf
  • Patent number: 6635136
    Abstract: A method for producing a material having z-direction ridges or folds in which a layer of continuous fibers is conveyed on a first moving surface into a nip formed by the first moving surface and a second moving surface which is traveling at a slower speed than the first moving surface, resulting in formation of a plurality of z-direction loops in the fibers giving loft to the material and a wave pattern producing ridges on both major surfaces of the resultant nonwoven web. The method permits easy real time adjustment of manufacturing parameters to produce a variety of materials. The method further produces lofty nonwovens at a commercially viable rate.
    Type: Grant
    Filed: April 24, 2001
    Date of Patent: October 21, 2003
    Assignee: Kimberly-Clark Worldwide, Inc.
    Inventors: Edward Jason White, Kurtis Lee Brown, John Herbert Conrad, Robert James Gerndt, Jose Enrique Maldonado
  • Patent number: 6615893
    Abstract: A filter forming and joining apparatus of the present invention automatically forms a succession of metal-free cylindrical filter elements from a pleat block of pleated filter material, each pleat block having a first end pleat at a first end of the pleat block and a second end pleat at a second end of the pleat block. The apparatus including a pleat block isolator for isolating successive individual pleat blocks from other pleat blocks in a succession of pleat blocks in preparation for filter formation, a filter former that manipulates each isolated pleat block along a forming path into a hollow cylinder shape, the hollow cylinder-shaped isolated pleat block having a first end pleat and a second end pleat positioned adjacent each other, and a filter joiner that bonds together the adjacent first and second end pleats of each hollow cylinder-shaped isolated pleat block producing a metal-free cylindrical filter element.
    Type: Grant
    Filed: March 19, 2001
    Date of Patent: September 9, 2003
    Assignee: Midmac Systems
    Inventors: Timothy R. Hedlund, Wilmer E. Blietz, Kevin D. Strand, James R. Sim, Gregory V. Spaulding, Theodore W. Jagger, Michael S. Perreault
  • Patent number: 6616785
    Abstract: A filter forming and joining method of the present invention automatically forms a succession of metal-free cylindrical filter elements from a pleat block of pleated filter material, each pleat block having a first end pleat at a first end of the pleat block and a second end pleat at a second end of the pleat block. The method includes using a pleat block isolator for isolating successive individual pleat blocks from other pleat blocks in a succession of pleat blocks in preparation for filter formation, a filter former for manipulating each isolated pleat block along a forming path into a hollow cylinder shape, the hollow cylinder-shaped isolated pleat block having a first end pleat and a second end pleat positioned adjacent each other, and a filter joiner for bonding together the adjacent first and second end pleats of each hollow cylinder-shaped isolated pleat block producing a metal-free cylindrical filter element.
    Type: Grant
    Filed: March 19, 2001
    Date of Patent: September 9, 2003
    Assignee: Midmac Systems, Inc.
    Inventors: Timothy R. Hedlund, Wilmer E. Blietz, Kevin D. Strand, James R. Sim, Gregory V. Spaulding, Theodore W. Jagger, Michael S. Perreault
  • Patent number: 6548147
    Abstract: Apparatus for continuously producing a web (1) which is corrugated from a thin sheet material which is elastic at least in a transverse direction of the web. The apparatus includes a guide bed (2) which has grooves extending parallel or inclined to each other in the direction of movement of the material. The apparatus also has holding-down devices (5) arranged opposite the grooves of the guide bed (2) so as to urge the web passing between the surface of the guide bed (2) and the holding-down devices (5) into the grooves of the guide bed (2) to obtain corrugations in the web. Finally, at the outlet end (4) of the guide bed (2) is an apparatus or substance which substantially prevents the formed corrugations from springing back to the original condition. A process for producing a strip and an absorbent article containing corrugated strips are included.
    Type: Grant
    Filed: January 14, 2000
    Date of Patent: April 15, 2003
    Assignee: Kimberly-Clark Worldwide, Inc.
    Inventors: Maria Raidel, Jan Ullmann, Franz Aschenbrenner
  • Publication number: 20030037861
    Abstract: The invention relates to a method for joining a number of sections (7) of a thermoplastic continuous web material in order to form an expandable section block (2). Said block is built up by repeatedly carrying out sequences of steps of the method. The invention also relates to a device for forming said blocks at high speeds.
    Type: Application
    Filed: July 11, 2002
    Publication date: February 27, 2003
    Applicant: VersaCore Industrial Corp.
    Inventor: Klaus Hering Gerhard
  • Patent number: 6524359
    Abstract: A filter bag for a pocket air filter includes two side walls. Both lateral edges of the side walls, and the edge of the base are welded to each other. The side walls are made of an air-permeable filter material which can be ultrasonically welded, and at least part of the surface of said side walls is joined by means of interconnected welded spacer elements running substantially parallel to said side walls. The spacer elements are formed by an intermediate layer made from a strip of flexible material, which is alternately welded to the side walls in zig-zag fashion.
    Type: Grant
    Filed: August 30, 2000
    Date of Patent: February 25, 2003
    Inventor: Klaus Kluge
  • Publication number: 20020134494
    Abstract: The invention relates to a method and to a device for producing a corrugated sheet that has a corrugation and that is especially used for a catalyst substrate. According tot eh inventive method, a sheet of a predetermined thickness of less than 0.06 mm is passed through two intermeshing rolls. Each roll has a profile that is made up of profile sections. A flank clearance between two opposite flanks of the profile sections is larger than the thickness of the sheet which is passed through the intermeshing rolls.
    Type: Application
    Filed: March 27, 2002
    Publication date: September 26, 2002
    Inventors: Rolf Bruck, Meike Reizig
  • Patent number: 6230776
    Abstract: A method, apparatus and filter unit product wherein filter media fibers are fed from a media supply source to a mat forming interchangeable and movable contoured surface to contour shape a filter media mat into a preselected form for subsequent movement to a transfer zone for further contour shaping and processing into filter unit products with preselected frame arrangements.
    Type: Grant
    Filed: October 26, 2000
    Date of Patent: May 15, 2001
    Assignee: AAF International, Inc.
    Inventor: Kyung-Ju Choi
  • Patent number: 6230777
    Abstract: A filter forming and joining apparatus of the present invention automatically forms a succession of metal-free cylindrical filter elements from a pleat block of pleated filter material, each pleat block having a first end pleat at a first end of the pleat block and a second end pleat at a second end of the pleat block. The apparatus including a pleat block isolator for isolating successive individual pleat blocks from other pleat blocks in a succession of pleat blocks in preparation for filter formation, a filter former that manipulates each isolated pleat block along a forming path into a hollow cylinder shape, the hollow cylinder-shaped isolated pleat block having a first end pleat and a second end pleat positioned adjacent each other, and a filter joiner that bonds together the adjacent first and second end pleats of each hollow cylinder-shaped isolated pleat block producing a metal-free cylindrical filter element.
    Type: Grant
    Filed: February 4, 1999
    Date of Patent: May 15, 2001
    Assignee: Midmac Systems, Inc.
    Inventors: Timothy R. Hedlund, Wilmer E. Blietz, Kevin D. Strand, James R. Sim, Gregory V. Spaulding, Theodore W. Jagger, Michael S. Perreault
  • Patent number: 6159318
    Abstract: A method, apparatus and filter unit product wherein filter media fibers are fed from a media supply source to a mat forming interchangeable and movable contoured surface to contour shape a filter media mat into a preselected form for subsequent movement to a transfer zone for further contour shaping and processing into filter unit products with preselected frame arrangements.
    Type: Grant
    Filed: October 21, 1998
    Date of Patent: December 12, 2000
    Assignee: AAF International, Inc.
    Inventor: Kyung-Ju Choi
  • Patent number: 6010548
    Abstract: A spaced pocket filter assembly has a pocket secured to a holding frame and a spacing member within the pocket made of a single sheet of material. The spacing member has an alternately folded Z or zig zag configuration and is secured to the interior of the pocket along each of the fold lines. The pocket assembly can be manufactured by interposing a roll of a sheet media for the spacing member between rolls of filter media for the pocket. The spacing member media is folded into the Z or zig zag configuration, layered between the pocket media, and secured to the pocket media continuously along the fold lines.
    Type: Grant
    Filed: January 30, 1998
    Date of Patent: January 4, 2000
    Assignee: Freudenberg Nonwovens Limited Partnership
    Inventors: Robert B. Burkhead, Klaus Schwobel, Udo Michaelis
  • Patent number: 5961778
    Abstract: Corrugating apparatus that includes paddles and an ultrasonic welding device. The paddles are attached at one end to a transport that moves about a path. The paddles extend radially from the transport, and each paddle has a free end that is capable of supporting a web as the paddles move about the path. The free ends of the paddles are able to move towards each other to cause the web to corrugate. The ultrasonic welding device is located downstream to where the paddles' free ends move towards each other. The ultrasonic welding device has a horn and an anvil, and the anvil includes the free ends of the paddles.
    Type: Grant
    Filed: October 5, 1998
    Date of Patent: October 5, 1999
    Assignee: Innovative Properties Company
    Inventors: David L. Braun, James E. Steffen, Raju Venkatapathy
  • 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: 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: 5853528
    Abstract: A method and apparatus for manufacturing laminates are arranged for forming a laminate block by sequentially folding back continuous metal sheets 3 and 4 drawn through outlets 16 out of rolls 5 and 6 of the sheets wound on reels 1 and 2, with synthetic resin sheet members 9 and interlayers 10 alternately interposed between the metal sheets, into multiple stages, and pressing the thus stacked laminate block while electrically heating the continuous metal sheets 3 and 4 in the laminate block, wherein the stacking is performed while keeping the continuous metal sheets 3 and 4 in tension between the outlets 16 of the reels 1 and 2 and each end edge of the laminate block 12.
    Type: Grant
    Filed: March 18, 1997
    Date of Patent: December 29, 1998
    Assignee: Marsushita Electric Works. Ltd.
    Inventors: Hiroshi Maeda, Kazushi Kawamura, Takeshi Okamoto
  • Patent number: 5830311
    Abstract: Corrugating apparatus that includes paddles and an ultrasonic welding device. The paddles are attached at one end to a belt that moves about a path. The paddles extend radially from the belt, and each paddle has a free end that supports a web as the paddles move about the path. The free ends of the paddles are able to move towards each other to cause the web to corrugate. The ultrasonic welding device is located downstream to where the paddles' free ends move towards each other. The ultrasonic welding device has a horn and an anvil, and the anvil includes the free ends of the paddles.
    Type: Grant
    Filed: May 23, 1995
    Date of Patent: November 3, 1998
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: David L. Braun, James E. Steffen
  • 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: 5782791
    Abstract: A method of manufacturing a fluid filter comprising: (a) providing a cone having a tip end and an open end and made of a filter material; (b) providing a support element having a plurality of concentric annular members mounted on a base and having outermost and innermost concentric annular members; (c) aligning the central axes of the cone and the support element with the tip end of the cone closest to the support element; and (d) inserting a portion of the cone into a circular area between two concentric annular members by placing a forming sleeve inside the cone and inserting the forming sleeve between the two concentric annular members, the concentric annular members being generally cylindrical and having an interior and an exterior.
    Type: Grant
    Filed: March 29, 1996
    Date of Patent: July 21, 1998
    Assignee: Avecor Cardiovascular, Inc.
    Inventors: Richard O. Peterson, Robert W. Olsen
  • Patent number: 5709771
    Abstract: A method and apparatus for forming expandable-collapsible articles comprises a horizontally oriented frame which receives one or more webs of sheet material from a feeding mechanism, a pusher bar having upper and lower gripper members engageable with the sheet material and a stripper bar having upper and lower stripper members movable between folding position and discharge position with respect to the frame. One or more linear actuators are provided to move the pusher bar toward and away from the stripper bar, and the extent of linear movement of such actuators is adjustable so that different lengths of sheet material can be advanced by the pusher bar into contact with the stripper bar thus forming fold lines in the sheet material with varying spaces therebetween.
    Type: Grant
    Filed: August 30, 1994
    Date of Patent: January 20, 1998
    Assignee: Cellular Designs Unlimited, Inc.
    Inventor: Ralph Fritzman
  • 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: 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: 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: 5476558
    Abstract: An apparatus for forming paper blocks installable in offices to form paper blocks out of office-use paper such as computer printer paper, etc. including a treatment chamber, paper feeder and an adhesive apply device. Used and waste paper is fed into the treatment chamber by the paper feeder while being coated with adhesives by the adhesive apply device, and inside the treatment chamber, the paper with the adhesives coated thereon are pressed by a pusher or by air against the bottom of the chamber, thus forming firm paper blocks solidified by the adhesives.
    Type: Grant
    Filed: October 11, 1994
    Date of Patent: December 19, 1995
    Inventor: Hirokazu Yoshida
  • Patent number: 5472606
    Abstract: A coreless filter comprises a pleated, spirally wound loop of material disposed in a housing. The loop includes a layer of filter material, such as a membrane filter, interposed between two support layers.
    Type: Grant
    Filed: October 12, 1994
    Date of Patent: December 5, 1995
    Assignee: Gelman Sciences Inc.
    Inventors: William C. Steere, Eric Sklar
  • Patent number: 5429744
    Abstract: In a method of producing spacer elements between pairs of mutually facing membrane surfaces for a fluid purifier, to minimize the number of separate parts required in the assembly of a membrane module for the fluid purifier, the sides of mutually parallel strings of spacer material are joined with the surfaces obliquely to a longitudinal extension of the surfaces. The surfaces are turned to face one another with respective parallel strings intersecting and abutting one another.
    Type: Grant
    Filed: September 27, 1993
    Date of Patent: July 4, 1995
    Assignee: AB Electrolux
    Inventor: Peter Hagqvist
  • Patent number: 5423937
    Abstract: A device for making a blind having Y-shaped pleats comprises an ultrasonic welding gear or a high frequency welding gear, a pressing wheel, a base plate, a motor, two drive wheels, two guide wheels, and two guide brackets. The welding gear has a weld head over which the pressing wheel is mounted for pressing a blind cloth against the weld head. The base plate is disposed horizontally between the pressing wheel and the weld head and provided with a through hole corresponding in location to the pressing wheel and the weld head. The motor is used to drive the pressing wheel which in turn drives the two drive wheels to press the blind cloth moving on the base plate. The two guide wheels are driven by the motor for guiding the unwelded blind cloth to move. The guide brackets are provided respectively with a protruded portion corresponding in level to the base plate for holding the pleats of the blind cloth waiting to be welded.
    Type: Grant
    Filed: June 4, 1993
    Date of Patent: June 13, 1995
    Inventor: Amy Hong
  • Patent number: 5405483
    Abstract: An expandable collapsible product is made by providing a pleated sheet (8,10) having legs (20) which are made by securing two parts of a fold (17) together. Two sheets are combined by securing the end of a leg (20) to a crease (16) or a leg (20) of an opposite sheet. The sheet material is folded to prefereably provide alternating taller folds (17) and shorter folds (16), and the taller folds are modified to provide the legs (20) by gluing parts of the taller folds (17) together. Gluing is accomplished by moving glue heads across the sheet at high velocity through the use of linear motors. The glue lines are heated after being laid down by the use of electro-magnetic radiation, preferably from a high-powered laser. The finished product is used as insulated window coverings, or the like.
    Type: Grant
    Filed: January 27, 1993
    Date of Patent: April 11, 1995
    Assignee: Hunter Douglas, Inc.
    Inventor: Craig A. Neff
  • Patent number: 5395465
    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 un-operating 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: June 7, 1993
    Date of Patent: March 7, 1995
    Assignee: Oji Kenzai Kogyo Co., Ltd.
    Inventor: Noriyasu Miura
  • Patent number: 5389188
    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: December 3, 1992
    Date of Patent: February 14, 1995
    Assignee: Converting, Inc.
    Inventor: Dennis G. Hicks
  • Patent number: 5376218
    Abstract: A filter comprising a composite sheet bent like a pleat and composed of a laminate of at least two monolayer sheets, in which the bent portions are fusion-welded, is provided in order to improve filtering properties while carrying out the composing and pleating processes in one process. A device for manufacturing the filter is also provided. The device comprises, for example: a pair of star-shaped gear type ribbed rolls engaged with each other for heating the composite sheet to temperatures suitable to fusion-weld the same at the front end of the gear while bending the composite sheet like a pleat having a bent width corresponding to the depth or height of the gear; star-shaped gear type bending roll for further bending the heated composite sheet like a pleat; and a pair of heating plates positioned opposed each other at a distance corresponding to the bent width of the pleat.
    Type: Grant
    Filed: February 18, 1994
    Date of Patent: December 27, 1994
    Assignee: Mitsui Petrochemical Industries, Ltd.
    Inventors: Masayuki Mito, Haruo Yuasa, Masayoshi Iidera
  • Patent number: 5350473
    Abstract: A cover forming apparatus for forming a flower pot or flower pot cover from a sheet of material by engaging a sheet of material about the outer surface of a mold, die or pot. The cover forming apparatus includes a plurality of pivotable forming members resting in a surface which supports a sheet of material upon which is positioned a flower pot mold or flower pot. When the forming members are pivotally moved from the storage position to an extended position, the forming members cause the sheet of material to be appressed to or engaged with the mold or pot. The article formed in accordance with the present invention may be separable from the mold or pot and usable as a flower pot or flower pot cover or may be more or less securely attached to the pot by adhesive, cohesive, barbs, friction pinches or other securing means thereby forming a decorative cover connected to a flower pot.
    Type: Grant
    Filed: November 30, 1992
    Date of Patent: September 27, 1994
    Assignee: Highland Supply Corporation
    Inventors: Donald E. Weder, Paul Fantz
  • Patent number: 5286319
    Abstract: An improved machine for welding pleats on fabric that employs a plurality of toothed wheels to index the fabric one pleat at a time. A pusher is positioned between each of a selected pair of adjacent wheels. The pushers are sized and configured to be capable of pushing selected pleats from the wheels to a proper position between the weld stack and anvil for welding. Additionally, the welding stacks are independently pneumatically actuated so that each welding stack may apply the proper welding pressure. A series of air blowers directs a flow of air under a just-welded pleat stripping it from the anvil.
    Type: Grant
    Filed: March 11, 1992
    Date of Patent: February 15, 1994
    Assignee: Verosol USA Inc.
    Inventors: Kenneth Gawne, Gordon Thompson
  • Patent number: 5275677
    Abstract: A separator of T-section made from a unitary roll of single faced corrugated paper, and a method and machine therefore.
    Type: Grant
    Filed: July 19, 1991
    Date of Patent: January 4, 1994
    Assignee: Aston Packaging Limited
    Inventor: Timothy C. Morley
  • Patent number: 5185052
    Abstract: Disclosed is an apparatus for longitudinally pleating a moving lamina. The apparatus features a curved axis roll having a stationary axis circumscribed by a rotating sleeve with a plurality of circumferentially oriented grooves in the rotating sleeve. The pleats are produced by the intermeshing of the lamina with the grooves of the rotating sleeve. Preferably a complementary curved axis roll having lands which interdigitate with the grooves of the first roll is used in conjunction with the first curved axis roll.The apparatus preferably further comprises a third curved axis roll disposed upstream of the first curved axis roll to substantially equalize the paths of travel of any points on the moving lamina by compensating for differences in the paths of travel between the edges and centerline of the lamina.
    Type: Grant
    Filed: June 6, 1990
    Date of Patent: February 9, 1993
    Assignee: The Procter & Gamble Company
    Inventors: Charles W. Chappell, John J. Angstadt
  • Patent number: 5160563
    Abstract: A method and apparatus for making a pleated expandable and collapsible multi-cell product for window coverings and the like. A web of material is accordion folded widthwise to form a series of web panels united in alternate succession along first and second creased folds disposed at respective first and second sides of the web. Successive panels are advanced in an unfolded condition lengthwise of the web through an adhesive applying zone to an inlet end of a refold stack and adhesive is applied to each web panel, in a band parallel to and spaced from the associated creased fold with a preceding panel. The web panels having adhesive applied thereto are refolded in succession along the associated creased fold with a preceding panel onto the inlet end of the refold stack.
    Type: Grant
    Filed: March 30, 1990
    Date of Patent: November 3, 1992
    Assignee: Graber Industries, Inc.
    Inventors: Darrell J. Kutchmarek, James H. Stauffacher
  • Patent number: 5151151
    Abstract: A pleating machine for dual fluted shades consisting of a pair of cooperating sets of pleating conveyors closely adjacent and flanking a sealing device that joins the two resulting pleated webs together by transversely fed attaching sheets.
    Type: Grant
    Filed: December 19, 1988
    Date of Patent: September 29, 1992
    Inventors: Jamee Kao, Joseph C. S. Hsu
  • Patent number: 5135461
    Abstract: A machine (300) and the process for manufacture of a unique completely pleated product (110) which is made from a continuous, flexible web (311) for the covering of windows and the like. The machinery consists of a production line (300) with at least a screen printing assembly (306), printing phase control apparatus (330), a unique pleating assembly (400 or 800) and an optional folding assembly (500) for stacking and receiving the final product. Screen printing and web travel phasing is performed in accordance with standard practices in the industry, while the pleating and folding of the finished product is performed by apparatus designed and constructed by the instant inventors. After predetermined patterns of adhesive or bonding material (212) have been applied to the continuous web (311), it is pleated by a paired roller assembly (400 or 800) and, through the optional use of an air knife assembly (500), folded into a collecting apparatus.
    Type: Grant
    Filed: December 7, 1989
    Date of Patent: August 4, 1992
    Assignee: Comfortex Corporation
    Inventors: John A. Corey, John T. Schnebly
  • Patent number: 5120376
    Abstract: The method and the apparatus for manufacture of a light-proof and folded window curtain are disclosed. A plane curtain material is folded repeatedly into a plurality of folded parts of an equal width, which are subsequently joined together on the same side of the curtain to form close-knit shoulders through which the curtain holes are arranged at a predetermined position for accommodating a string. A positioning apparatus is employed to hold firmly the groove portions of the folded curtain material, so as to permit two adjacent folded parts to stay closely together. An adapting apparatus is subsequently used to form a shoulder of a predetermined width from two adjoining folded parts. A series of shoulders are formed from a plurality of groups with each containing two adjoining folded parts on the same side of the folded curtain material.
    Type: Grant
    Filed: February 1, 1991
    Date of Patent: June 9, 1992
    Inventor: Amy Hong
  • Patent number: 5084178
    Abstract: The disclosure describes an arrangement which comprises a porous filter layer and a porous support layer. The porous support layer has first and second surfaces and the porous filter layer is positioned near the first surface of the porous support layer. The filter arrangement further comprises several polymeric beads disposed in parallel strips on the second surface of the porous support layer. The filter arrangement is corrugated to form pleats which extend generally perpendicular to the polymeric beads. Each pleat includes an open end, a bight end, and first and second opposing sides which extend between the open end and the bight end and include a portion within each pleat in which the opposing sides are in essentially parallel relationship. Each bead extends from the open end of the pleat along the first side to the bight end and from the bight end of the pleat along the second side to the open end.
    Type: Grant
    Filed: March 15, 1989
    Date of Patent: January 28, 1992
    Assignee: Pall Corporation
    Inventors: John D. Miller, Joseph R. Swiezbin
  • Patent number: 5015317
    Abstract: A machine (300) and the process for manufacture of a unique completely pleated product (110) which is made from a continuous, flexible web (311) for the covering of windows and the like. The machinery consists of a production line (300) with at least a screen printing assembly (306), printing phase control apparatus (330), a unique pleating assembly (400) and a folding assembly (500) for stacking and receiving the final product, screen printing and web travel phasing is performed in accordance with standard practices in the industry, while the pleating and folding of the finished product is performed by apparatus designed and constructed by the instant inventors. After predetermined patterns of adhesive or bonding material (212) have been applied to the continuous web (311), it is pleated by a paired roller assembly (400) and, through the use of an air knife assembly (500), folded into a collecting apparatus.
    Type: Grant
    Filed: December 22, 1988
    Date of Patent: May 14, 1991
    Assignee: Comfortex Corporation
    Inventors: John A. Corey, John T. Schnebly