Specific Nonuniform Lamina Or Article; E.g., Netting Or Rib And Groove, Etc. Patents (Class 156/244.15)
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Patent number: 11821090Abstract: A manufacturing method that enables an electrode to be formed on a specific portion of a surface of a sintered ceramic body by a simple technique. A method of manufacturing a ceramic electronic component includes preparing a sintered ceramic body that contains a metal oxide, and forming low-resistance portions that is formed by reducing the resistance of portions of the ceramic body by radiating laser onto electrode-formation regions of surfaces of the ceramic body. The method further includes causing a catalytic metal to selectively adhere to the low-resistance portions by immersing the ceramic body, in which the low-resistance portions have been formed, in a catalytic metal substitution treatment solution, and forming a plating layer that serves as an electrode onto the low-resistance portions by performing electroless plating on the ceramic body to which the catalytic metal has adhered.Type: GrantFiled: October 22, 2018Date of Patent: November 21, 2023Assignee: Murata Manufacturing Co., Ltd.Inventor: Yoshinori Ueda
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Patent number: 11006701Abstract: A reclosable fastener strip includes first and second strip halves each having a strip body and two hook units. Each hook unit has at least one pair of elongated hooks formed on a major surface of the strip body and cooperatively defining a recess therebetween. Each elongated hook is configured and dimensioned to permit being fitted securely in the recess of a corresponding pair of the elongated hooks so as to provide a suitable watertight seal.Type: GrantFiled: March 9, 2020Date of Patent: May 18, 2021Inventors: Chen-Cheng Huang, Pao-Hao Huang, Pao-Han Huang
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Patent number: 10611225Abstract: The weather strip configured to be attached to the automobile body opening portion is an elongated member having a length configured to correspond to a side portion and a corner portion of the automobile body opening portion and includes a hollow sealing portion. A surface of the sealing portion corresponding to a floor-side side portion and a surface of the sealing portion corresponding to a floor-side corner portion are continuous to each other. A wall thickness of the sealing portion corresponding to the floor-side side portion is set to be smaller than a wall thickness of the sealing portion corresponding to the floor-side corner portion. The sealing portion corresponding to the floor-side side portion includes a portion having a smallest wall thickness among the entire sealing portion.Type: GrantFiled: September 1, 2016Date of Patent: April 7, 2020Assignee: TOKAI KOGYO CO., LTD.Inventors: Keiji Hiroe, Akito Ueda, Kotaro Oka
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Patent number: 10531711Abstract: A laminated touch fastener is made in a continuous process on a mold roll. Flowable resin is pressed against the mold roll in limited areas to form projections extending from resin layers that are laminated to a flexible substrate while carried on the mold roll. In one example a continuous channel about the mold roll is positioned such that the resin at least partially fills the channel as the layers are formed, thereby forming in the channel a raised portion in which the resin layer is of a greater thickness than at a point between the projections and the raised portion. In another example, grooves in the mold roll receive ribs of a pressure applicator during forming of the layers, the ribs blocking lateral flow of the resin to form a desired edge profile.Type: GrantFiled: July 7, 2016Date of Patent: January 14, 2020Assignee: Velcro BVBAInventors: Isaac Soler Medina, James T. Grady
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Patent number: 9849647Abstract: A stackable water shield comprising a body portion having a width and length and thickness, said body having a wet surface, said body further having a channel formed between inwardly angled walls in a portion of the body, said channel having a width and a depth sufficient to accept a sufficient amount of glue, said glue amount not extending to the wet surface of the water shield, said water shields stackable without interposing a glue protective barrier such as a release sheet between said stacked water shields.Type: GrantFiled: November 11, 2016Date of Patent: December 26, 2017Inventor: Daniel Bianchi
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Publication number: 20150086759Abstract: A resin panel of which contact surfaces of a rear wall to be in contact with another member are made unlikely to deform while reducing the weight of the resin panel. The panel includes a rear wall having a plurality of contact surfaces to be in contact with another member, and a front wall opposing the rear wall with an interval therebetween, the resin panel including a plurality of ribs obtained by indenting parts of the rear wall toward the front wall and welding the parts to an inner surface of the front wall, wherein a wall thickness of the front wall is generally equal to or smaller than a wall thickness of the rear wall.Type: ApplicationFiled: November 9, 2012Publication date: March 26, 2015Applicant: KYORAKU CO., LTD.Inventors: Takehiko Sumi, Kiyotaka Kawai
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Patent number: 8309206Abstract: A method of manufacturing an oriented film of thermoplastic polymer material comprises extrusion of a film in tubular form from an extrusion die, orienting the film in a main direction of orientation during the haul-off from the die while in molten or semi-molten state, the direction being at an angle between 0 and 45-to the axis of the tube, followed by cutting of the tube at an angle to its main degree of orientation to form a web having an orientation of no less than 20 to its longitudinal direction, which method involves segmental stretching of the film to form an array of linear bosses (1), being of thicker material, integrally connected by thinner webs (2), said bosses and webs extending in a direction which is generally parallel with the direction of orientation, forming an acute angle to the longitudinal direction of the web, the method involving, after segmental stretching and cutting, shearing of the bosses along one another under re-orientation in the connecting webs, to increase the angle at whichType: GrantFiled: July 11, 2007Date of Patent: November 13, 2012Inventor: Ole-Bendt Rasmussen
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Publication number: 20120208417Abstract: In at least one embodiment, a netting comprising an interconnected network including a plurality of coextruded strands integrally joined, the coextruded strands having a first layer including a first thermoplastic composition and a second layer bonded to the first thermoplastic layer and including a second thermoplastic composition. The netting also includes a third layer bonded to the second layer and spaced apart from the first layer. The third layer includes a third thermoplastic composition. The netting has a friction angle ranging from 10 degrees to 40 degrees.Type: ApplicationFiled: February 16, 2011Publication date: August 16, 2012Inventors: Chris E. Worthington, Guangda Shi, Andrew J. Thoen, Christopher P. Hakanson, Bradley J. Budde
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Publication number: 20120186064Abstract: An example multi-lumen member forming dual inflation portions of a catheter assembly for treating bifurcated vessels includes a main tube defining a main lumen and a main inflation portion. The member includes a side tube defining a side lumen and a side inflation portion, the side tube extending along at least a first length of the main tube. The member also includes a portion extending along the first length of the main tube and coupling the main tube to the side tube to form a dual lumen configuration.Type: ApplicationFiled: April 4, 2012Publication date: July 26, 2012Applicant: BOSTON SCIENTIFIC SCIMED, INC.Inventors: Daryl L. Martin, Richard A. Noddin
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Patent number: 8182643Abstract: In a process for fabricating large structures, a composite material panel is continuously pultruded in a pultrusion die assembly and cut transversely to the process direction to provide panel sections. The panel sections can be sufficiently long to extend from one end to an opposite end of the structure. The panel sections are assembled with a joint along adjacent edges using steel-to-composite and composite-to-composite joining technology. The joints can be integrated into the panel longitudinal edges, or separate joint assemblies can be fabricated. In this manner, fewer joints are required. A variety of in-plane and out-of-plane joint assemblies are provided.Type: GrantFiled: December 17, 2003Date of Patent: May 22, 2012Assignee: KaZaK Composites, IncorporatedInventors: Jerome P. Fanucci, Michael McAleenan
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Patent number: 8178640Abstract: An extrudable polyvinyl chloride composition comprising from 80 to 99.9 percent by weight polyvinyl chloride for use in extruding a first part and a second part, wherein a fusion joint between the first extruded part and the second extruded part is formed by: A) composition at least a portion of a first terminal edge of the first extruded part and a first terminal edge of the second extruded part; B) engaging the melted terminal edges; and C) maintaining pressure between the engaged terminal edges to create a fused joint having a strength that is at least 50% of the tensile strength of the extruded part as measured by ASTM D638-2a. The extruded parts can be pipe sections.Type: GrantFiled: October 10, 2011Date of Patent: May 15, 2012Assignee: Underground Solutions Technologies Group, Inc.Inventors: Mark A. Smith, Thomas Marti, Bryan St. Onge, Henri St. Onge
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Patent number: 8113067Abstract: A pipette and a process for producing a pipette (10) with a capacity of from 1 to 50 ml from a thermoplastic polymer. An essentially cylindrical pipette shaft (12) with an internal diameter (di) and an essentially cylindrical cup-shaped pipette reservoir (16) with an internal diameter (Di) are produced in an injection molding process. The pipette shaft (12) has, at one end, a pipette tip (14) which narrows to a suction/exit orifice (20), and, at the other end, a conical widening (18). The pipette reservoir (16) has a suction nozzle (24) abutting coaxially from the bottom of the pipette reservoir (16). The conical widening (18) is welded or adhesive-bonded at the end and coaxially to the pipette reservoir (16). The ratio of the total pipette length (L) to the arithmetic mean of the internal diameters (di and Di) of the pipette shaft (12) and of the pipette reservoir (16) is at least 15. The pipette may have a suction nozzle (24) with a retainer, such as a radially inward jutting rib (34) for a cotton wool bud.Type: GrantFiled: December 18, 2006Date of Patent: February 14, 2012Assignee: TPP Techno Plastic Products AGInventor: Max Tanner
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Patent number: 8058378Abstract: An extrudable polyvinyl chloride composition comprising from 80 to 99.9 percent by weight polyvinyl chloride for use in extruding a first part and a second part, wherein a fusion joint between the first extruded part and the second extruded part is formed by: A) composition at least a portion of a first terminal edge of the first extruded part and a first terminal edge of the second extruded part; B) engaging the melted terminal edges; and C) maintaining pressure between the engaged terminal edges to create a fused joint having a strength that is at least 50% of the tensile strength of the extruded part as measured by ASTM D638-2a. The extruded parts can be pipe sections.Type: GrantFiled: January 22, 2009Date of Patent: November 15, 2011Assignee: Underground Solutions Technologies Group, Inc.Inventors: Mark A. Smith, Thomas Marti, Bryan St. Onge, Henri St. Onge
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Patent number: 7972465Abstract: A reinforced multi-lumen catheter and method of manufacturing the same. An assembly for manufacturing the multi-lumen catheter includes a catheter body substrate including a septum, one or more mandrels, a reinforcing element and one or more sleeves. The septum may have a distal region with a cross-sectional thickness greater than that of a proximal region. The septum can be separately formed. The septum can be split along a length of the distal region. The reinforcing element can be positioned over at least a proximal region of the catheter body substrate.Type: GrantFiled: February 2, 2010Date of Patent: July 5, 2011Assignee: C. R. Bard, Inc.Inventors: Ryan C. Patterson, Walter H. Shang
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Publication number: 20110120636Abstract: A method for forming a large diameter and very long pipe comprises forming a plurality of pultruded segments via pultrusion and joining the segments along the lengthwise edges thereof.Type: ApplicationFiled: November 20, 2009Publication date: May 26, 2011Applicant: LOCKHEED MARTIN CORPORATIONInventors: Stephen L. Bailey, Alan K. Miller
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Patent number: 7915366Abstract: An extrudable polyvinyl chloride composition comprising from 80 to 99.9 percent by weight polyvinyl chloride for use in extruding a first part and a second part, wherein a fusion joint between the first extruded part and the second extruded part is formed by: A) composition at least a portion of a first terminal edge of the first extruded part and a first terminal edge of the second extruded part; B) engaging the melted terminal edges; and C) maintaining pressure between the engaged terminal edges to create a fused joint having a strength that is at least 50% of the tensile strength of the extruded part as measured by ASTM D638-2a. The extruded parts can be pipe sections.Type: GrantFiled: July 29, 2009Date of Patent: March 29, 2011Assignee: Underground Solutions Technologies Group, Inc.Inventors: Mark A. Smith, Thomas Marti, Bryan St. Onge, Henri St. Onge
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Patent number: 7842769Abstract: An extrudable polyvinyl chloride composition comprising from 80 to 99.9 percent by weight polyvinyl chloride for use in extruding a first part and a second part, wherein a fusion joint between the first extruded part and the second extruded part is formed by: A) composition at least a portion of a first terminal edge of the first extruded part and a first terminal edge of the second extruded part; B) engaging the melted terminal edges; and C) maintaining pressure between the engaged terminal edges to create a fused joint having a strength that is at least 50% of the tensile strength of the extruded part as measured by ASTM D638-2a. The extruded parts can be pipe sections.Type: GrantFiled: November 13, 2006Date of Patent: November 30, 2010Assignee: Underground Solutions Technologies Group, Inc.Inventors: Mark A. Smith, Thomas Marti, Bryan St. Onge, Henri St. Onge
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Publication number: 20100175961Abstract: An insulating support for a ground electrical power supply track is provided. The insulating support is intended for a terrestrial transport system, in particular of the tramway type, and is in the form of a profile-member of insulating material which includes a substantially planar upper face intended to receive elements of the electrical power supply track and a planar lower face intended to be supported directly or indirectly on the ground. The profile-member is provided with a longitudinal groove is arranged on the upper face in order to receive a conductive track element. The profile member is also provided with a web which connects the upper face to the lower face. At least one longitudinal supply conduit intended to receive a supply line of the network extends through the web. The groove and each supply conduit are arranged centrally and symmetrically about a longitudinal center plane of the support perpendicular relative to the upper face.Type: ApplicationFiled: November 23, 2009Publication date: July 15, 2010Applicant: ALSTOM TRANSPORT SAInventors: Cyril RAMEAU, Julien GELLEE, Guillaume BAUDIENVILLE
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Publication number: 20100059173Abstract: A method of forming a tubular body for a catheter, sheath or lead comprises extruding a polymer core having an integrally formed core wall, first lumen, and second lumen, placing a first layer over an outer circumferential surface of the extruded polymer core, and bonding the first layer to the circumferential surface of the extruded polymer cover via a reflow process. The first and second lumens are mandrel free during the reflow process, and a temperature of the reflow process is below a softening point of the polymer core to maintain a collapse free first and second lumen.Type: ApplicationFiled: November 17, 2009Publication date: March 11, 2010Applicant: PACESETTER, INC.Inventors: Greg Kampa, Nicole Geiger
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Patent number: 7041187Abstract: Disclosed is a method for preparing a corrugated sandwich panel including the steps of: extruding melted polyethylene resin by use of an extruder and a slit nozzle; molding the extruded polyethylene resin to a vertically corrugated inner sheet by use of a plurality of molding rolls; supplying a lower sheet from the lower portion of the inner sheet and an upper sheet from the upper portion thereof; forming a plurality of melting grooves by use of heaters each provided between the upper sheet and the inner sheet and between the lower sheet and the inner sheet such that the melting and bonding between the upper sheet and the inner sheet and between the lower sheet and the inner sheet is conducted; and pressing the upper sheet, the inner sheet and the lower sheet each having the plurality of melting grooves formed thereon by use of a plurality of press rolls.Type: GrantFiled: November 5, 2003Date of Patent: May 9, 2006Assignee: PLC Engineering Corp.Inventors: Young Jun Park, Mo Chung, Jesse Lee
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Patent number: 6899942Abstract: An optical disk of the type rotated by a spindle positioned in a centrally-located hole, and including a disk body including an annular data area, and a centrally-located, integrally-formed annular web positioned radially inward from the annular data area and covering a hole formed in the disk body. The annular web is formed sufficiently thin to be deflected upwardly out of the plane of the disk body by the spindle during placement on the spindle and during rotation. The web may be broken away from the disk, or made sufficiently thin and resilient that it will deform upwardly when placed on the spindle and resume its former position when removed.Type: GrantFiled: November 22, 2002Date of Patent: May 31, 2005Assignee: Concept Design Electronics and Manufacturing, Inc.Inventor: Richard Lee Clark
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Patent number: 6869495Abstract: A method for attaching a substrate to a plastic profile, in which a profile is extruded from a plastic material. The profile has at least two separable legs that define a channel for receiving a substrate. A substrate is placed in the channel and a liquid material is injected, which upon hardening will join the substrate with the profile.Type: GrantFiled: September 27, 2002Date of Patent: March 22, 2005Inventor: Charles A. Snooks
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Patent number: 6746560Abstract: A blow molded shipping container includes a hollow bottle of thermoplastic material defined by a continuous outer wall having a parting line formed during blow molding the bottle and a fill opening located on the parting line. An appurtenance of a material different from the thermoplastic material is integrally fused to the bottle during the blow molding of the bottle at a location of the bottle other than the parting line.Type: GrantFiled: October 18, 2000Date of Patent: June 8, 2004Assignee: Hoover Materials Handling Group Inc.Inventors: David Humphrey, Keith Barno, Gary L. Bouc
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Patent number: 6656403Abstract: A composite touch fastener has an elongated, sheet-form resin substrate, a fibrous loop strip partially encapsulated in, or otherwise permanently attached to, resin of the substrate, and an array of loop-engageable fastener elements integrally molded with resin of the substrate. The loop strip forms a discrete band of hook-engageable, free-standing loops along the length of the substrate, and has a substantially constant fiber density across its width. The array of fastener elements is arranged in a discrete band of fastener elements extending longitudinally along the substrate. The fastener product is useful as a repeated use bag closure, with a pair of grooves and a graspable rib integrally molded into the substrate between the fastener elements and loops. The center portion of the closure seals the bag until it is torn away to expose the mating bands of loops and fastener elements.Type: GrantFiled: November 21, 2000Date of Patent: December 2, 2003Assignee: Velcro Industries B.V.Inventors: William Clune, William H. Shepard
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Publication number: 20030213547Abstract: An ultralow expansion brake rubber hose comprising an inner rubber tube, a first reinforcing layer, a second reinforcing layer and an outer rubber layer, wherein a thermosetting resin which penetrates the reinforcing fibers constituting the first reinforcing layer and which is cured at vulcanizing temperatures is cured by vulcanization to turn the first reinforcing layer into a solid cured layer. By turning the first reinforcing layer into the solid cured layer, the mutual slippage between the reinforcing fibers of the first reinforcing layer can be prevented, and a brake rubber hose having low expansion and excellent durability can be obtained.Type: ApplicationFiled: June 10, 2003Publication date: November 20, 2003Inventors: Shigeo Ono, Takashi Terashima
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Patent number: 6589631Abstract: A flashless floor mat or product and method are provided. At least one embodiment of this invention relates to a flashless cushioned dust control mat article wherein the mat comprises at least two distinct layers of rubber, one comprising foam rubber, the other comprising solid rubber. The solid rubber layer is present over the foam rubber layer on the side of the mat in which at least one integrated rubber protrusion is present to provide cushioning characteristics. The solid rubber layer acts as a cap or barrier for the foam rubber layer, particularly over the integrated protrusion or protrusions, in order to provide a mat which is resilient, will not easily degrade in its modulus strength after appreciable use and/or washing within industrial cleaning processes, and will not exhibit appreciable cracking or breaking, particularly within the integrated protrusion(s), after standard use for pedestrian traffic. A method of producing such an inventive cushioned floor mat article is also provided.Type: GrantFiled: October 4, 2000Date of Patent: July 8, 2003Assignee: Milliken & CompanyInventors: Akihito Suzuki, Robert C. Kerr, Amy K. Streeton
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Patent number: 6551539Abstract: Methods of forming a releasable strap of hook and loop material and resulting products are shown. The strap has a hook side and a loop side, the hooks being formed of synthetic resin on a mold roll defining a multiplicity of hook mold cavities. A method is shown comprising providing a mold roll having at least one relatively wide hook molding region over which hook mold cavities are distributed and, preferably at least at one side, a relatively narrow region devoid of hooks, and utilizing the mold roll to form a continuous sheet of material having on one side a wide band of loop-engageable hooks and preferably an adjacent relatively narrow band devoid of hooks, providing loops on the opposite side of the material, and repeatedly cutting the material at a substantial angle to the machine direction.Type: GrantFiled: September 19, 2000Date of Patent: April 22, 2003Assignee: Velcro Industries B.V.Inventors: Peter Leach, Michael Carbonneau, Matthew Raimer
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Patent number: 6541098Abstract: Three-dimensional flexible adhesive film structures are described which exhibit tack on demand characteristics. The film is capable of showing minimal or no tack under normal handling conditions, but when pressed against a target surface, exhibits the desired adhesion.Type: GrantFiled: December 22, 2000Date of Patent: April 1, 2003Assignee: Avery Dennison CorporationInventors: Sriram Venkatasanthanam, Evgueni Rozenbaoum, Pradeep S. Iyer, Jesse C. Ercillo, John Hughen, Michael Hannington, Prakash Mallya
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Publication number: 20020170662Abstract: A twin-wall composite sheet (8) comprising (a) at least one inner thermoplastic polymer film (2), and (b) at least two external thermoplastic polymer films (4 and 5) is described. The inner film (2) is interposed between and connected to at least two of the outer films (4 and 5). The inner film has a three-dimensional structure comprising a plurality of at least one of elevations and depressions. The inner film has two main directions of extension, and the three-dimensional structure of the inner film has a substantially periodically recurring pattern in the two main directions of extension thereof. The inner film is fixedly connected to at least two of the outer films in a region of maximum height of elevations of the inner film and/or a region of the maximum depth of depressions of the inner film. The twin-walled composite sheet preferably has substantially the same flexural modulus in the two main directions of extension of the inner film.Type: ApplicationFiled: May 14, 2002Publication date: November 21, 2002Inventor: Dieter Schauf
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Patent number: 6478916Abstract: The invention relates to a method for the manufacture of a section for windows or doors having an external surface and an internal surface and having at least one web which separates a chamber between the external surface and the internal surface. In accordance with the invention, in this method the at least one web is extruded in a first extruder line and led after at least partial cooling into a tool forming the section in which tool then the at least one web is welded to the section.Type: GrantFiled: April 27, 1999Date of Patent: November 12, 2002Assignee: Funke Kunstsoffe GmbHInventors: Norbert Funke, Rudolf Poljanac
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Publication number: 20020144769Abstract: An insulating beverage cup is produced with an air containing film layer disposed on an inner surface of a food or beverage paper stock. The air containing film layer is extruded or laminated to the paper stock. An additional extruded or laminated layer is applied between the air containing film layer and paper stock layer. The insulating coating layer decreases the energy transfer between the beverage and the user's hands allowing the user to hold onto the cup for an extended period of time without causing user discomfort or pain. The exterior surface of the beverage cup remains highly printable and predisposed to high quality graphics.Type: ApplicationFiled: April 5, 2002Publication date: October 10, 2002Inventors: John Charles Debraal, John MacKay Lazar
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Patent number: 6454897Abstract: It is of the type comprising, from the inside to the outside, a flexible metal tube 2 having a helical winding of turns, an internal sealing sheath 3 arranged around the said flexible metal tube, at least one armouring ply 5 wound around the said internal sealing sheath and at least one external sealing sheath 7, the internal sealing sheath being extruded onto the flexible metal tube using extrusion means, characterized in that it furthermore consists in heating the said flexible metal tube 2 upstream of the extrusion means and to a temperature below 100° C.Type: GrantFiled: December 23, 1998Date of Patent: September 24, 2002Assignee: CoflexipInventor: Michel Paul Morand
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Patent number: 6399002Abstract: A plastic pipe has a multiple layer wall construction including major and minor wall portions. The major wall portions are formed with first corrugations and are separated from one another by the minor wall portions which are formed with second corrugations and a bowed wall part which is of the same diameter as the first corrugations. The second corrugations are smaller in diameter than both the first corrugations and the bowed wall pipe. The wall construction is cut at the bowed wall part to produce two pipe sections which couple with one another. One of those pipe sections has an open ended bell converted from the bowed wall pipe and the other pipe section has a male spigot formed by the second corrugations of the wall construction.Type: GrantFiled: November 23, 1998Date of Patent: June 4, 2002Inventors: Manfred A. A. Lupke, Stefan A. Lupke
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Publication number: 20010050137Abstract: A method of manufacturing a sock having anti-microbial properties including the steps of providing a quantity of a thermoplastic resin including an anti-microbial agent admixture having a predetermined microbial inhibition characteristic; blending the thermoplastic resin with a polyethylene resin to form an anti-microbial feedstock; forming the anti-microbial feedstock into relatively long, narrow, thin lengths of anti-microbial members; and knitting the anti-microbial members into an anti-microbial sock having predetermined microbial inhibition characteristics.Type: ApplicationFiled: May 16, 2001Publication date: December 13, 2001Inventors: Robert R. Williamson, Norwin Cedric Derby, Craig Alan Nickell
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Patent number: 6277231Abstract: This process consists: in continuously extruding, with the aid of a multislot die, parallel sheets (31) of thermally fusible material inside a cooling chamber (4), with the creation of a seal between the longitudinal edges of the sheets and the walls of the chamber; and in creating, in this chamber and from the end located on the die side, successively in the various compartments located on both sides of each sheet (31), successively a vacuum and the delivery of a coolant, the two compartments located on the two sides of the same sheet being, in the case of one of them, subjected to a vacuum and, in the case of the other, subjected to the delivery of a coolant, and conversely during the following phase, so as to deform the sheets and weld them in pairs with the formation of cells (36).Type: GrantFiled: November 29, 1999Date of Patent: August 21, 2001Inventor: Guy Ducruy
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Patent number: 6268031Abstract: An injection hose intended for sealing expansion joint in concrete structures. The hose is in the form a continuous hollow extrusion (12), made of elastic, flexible material, with a continuous longitudinal bore (10) and at least one longitudinal groove (16). The groove (16) is connected to the bore (10) by means of apertures (22) in the wall of the extrusion and is fitted with a sealing strip (24), made of compressible, elastic material, which extends over the apertures (22). Production of the hose is made particularly simple and inexpensive by virtue of the fact that the width of the groove openings (26) is less than the diameter of the sealing strip (24) and that the means of holding the sealing strip (24) in place are formed by making undercuts in the side (30) of the groove (16).Type: GrantFiled: December 23, 1998Date of Patent: July 31, 2001Assignee: Sika AG, vormals Kaspar Winkler & Co.Inventor: Alexander Bleibler
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Patent number: 6203741Abstract: An apparatus and methods for forming micro spike thermoplastic liners and micro spike thermoplastic liners formed thereby are provided. A textured thermoplastic liner having at least one roughened surface with a plurality of irregularly shaped projections extending therefrom is disclosed. The thermoplastic liner of the subject invention is formed by using a calendering roll having a generally cylindrically shaped body with a non-smooth outer surface and a plurality of blind apertures, each having an irregularly shaped opening formed coextensively with the non-smooth surface. The liner is formed by having the non-smooth surface of the calendering roll impress a roughened pattern onto the liner and simultaneously form the plurality of irregularly shaped projections. The calendering roll is formed by initially drilling a plurality of blind apertures and, subsequently, roughening the outer surface of the roll such that the openings of each of the apertures are each caused to be irregularly shaped.Type: GrantFiled: April 4, 2000Date of Patent: March 20, 2001Assignee: AGRU Kunststofftechnik GmbHInventor: Heinrich Heinzlreiter
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Patent number: 6203646Abstract: A method of producing a mineral fibre element comprising a mineral fibre base layer having a surface coating in the form of a fibrous netting formed of a thermoplastic polymer material wherein such a surface coating is provided on at least a part of the surface of the base layer, wherein the surface coating is formed directly on the surface of the base layer and wherein the surface coating is formed by heating a thermoplastic polymer material so as to melt it and distributing the polymer melt obtained in the form of fibres and/or filaments on the surface of the base layer and cooling it to form a solid layer.Type: GrantFiled: July 17, 1997Date of Patent: March 20, 2001Assignee: Rockwool International A/SInventors: Martin Vendelbo Gundberg, Claus Bugge Garn
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Patent number: RE37324Abstract: A method of making a disposable tubular device comprising extruding a first material through a first die to form the tube and moving the tube through the second die while extruding a second material through the second die to form the tube-support structure. The second material has a surface hardness which is greater than the surface hardness of the first material.Type: GrantFiled: January 7, 1999Date of Patent: August 14, 2001Inventor: Bernard S. Esrock