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| Number | Title | Issue Date |
| 7325334 | Method and apparatus for providing a shoe with improved structural integrity The invention includes a method and apparatus for providing a shoe having an outsole with a top surface and a bottom surface, an anchoring mechanism placed between the top surface and the bottom surface, an upper connected to the outsole, and a fastener extending fr... | 02/05/2008 |
| 7237346 | Insole with cushion insert The invention relates to a shoe having an insole being of a rigid material for providing structural integrity to be secured to an outsole, an upper secured to the insole, and a hole in the insole for enhancing flexibility of the insole. The insole is then secured to... | 07/03/2007 |
| 7234248 | Footwear Footwear having a shoe upper and a sandal type sole are made from an upper having a lower marginal edge with a plurality of spaced fingers extending from the lower marginal edge, a footbed having a peripheral edge and a plurality of spaced slots therethrough adjacen... | 06/26/2007 |
| 7010868 | Sealed shoe and process for its production The invention relates to footwear comprising a shank and a sole construction having an outsole. The shank is constructed with an upper material and with a water-tight functional layer which at least partially lines the upper material on the inner side thereof. In ad... | 03/14/2006 |
| 6978557 | Method for manufacturing shoes and shoes manufactured by the method A method for manufacturing shoes is provided. The method includes preparing an upper and an outsole, applying an adhesive agent to the outer surface of an upper seal portion and the inner surface of an outsole seal portion, stitching together the outer surface of th... | 12/27/2005 |
| 6971191 | Method and apparatus for a shoe having improved construction The invention relates to a method and apparatus for providing a shoe having an outsole having a top surface and a lip, where the lip extends around a portion of a periphery of the outsole and is above the top surface. The lip also has an inner surface facing inwardl... | 12/06/2005 |
| 6938362 | Reinforcement for a boot, in particular a sports boot, more specifically a cross-country ski boot, and a boot having such a reinforcement A reinforcement for a boot, in particular a sports boot, more particularly a cross-country ski boot. The boot reinforcement makes it possible to improve the torsional stiffness, efficiency, durability, lightness, cost, foot protection, and industrial workability. To... | 09/06/2005 |
| 6877257 | Boot A boot that includes a sole and an outer upper having an impervious portion, with at least one outer reinforcing element assembled to the upper by cementing at least in the impervious portion thereof. Preferably, the reinforcing element includes a heel reinforcement... | 04/12/2005 |
| 6845572 | Sealed shoe and a method for the production thereof The invention relates to footwear comprising a shank (11) and a sole construction having an outsole (19). The shank (11) is constructed with an upper material (13) and with a water-tight functional layer (15) which at least partial... | 01/25/2005 |
| 6675497 | Waterproof boat-like shell for footwear made by cement lasting process A one-piece boat-like shell for footwear constructed from an injection-molded sole to which a last cemented upper is secured. The last cemented upper includes a vamp and heel counter each comprising a sheet of water impermeable vinyl secured about the per... | 01/13/2004 |
| 6205604 | Precemented welt A precemented welt for shoe construction, and methods of making such a welt. The welt comprises a body section, and a solid adhesive surface layer which can be activated to form a bond. The adhesive does not activate at typical truck trailer temperatures,... | 03/27/2001 |
| 6136136 | Moisture-curable polyurethane hotmelt adhesives with high green strength A moisture-curable polyurethane hotmelt adhesive composition having high green peel strength and good creep resistance is formed from a polyester, low molecular weight polypropylene glycol and a diisocyanate, and optionally a tackifier. A method of bondin... | 10/24/2000 |
| 5983527 | Film adhesive for sole attaching A molded shoe assembly having an outer sole with a heat activatable adhesive coated on one surface and absorbed in the sole surface and a release liner above the adhesive surface. The adhesvie will reactivate at a temperature of between 115 and 125 degree... | 11/16/1999 |
| 5943791 | Waterproof shoe structure with adhesively secured sole A shoe structure which includes at least part of a shoe and consists of: an upper, a first insole, a second insole and an outsole. The upper includes at least one outer layer and lining. The lining lines the inside of the outer layer and includes a waterp... | 08/31/1999 |
| 5939488 | Fast setting polyurethane hot melt adhesive composition comprising low hydroxyl number/high molecular weight polyester diols The subject invention provides reactive hot melt adhesive compositions comprising polyurethane prepolymers which have an isocyanate index greater than one and which are prepared from a low hydroxyl number composition comprising high molecular weight polye... | 08/17/1999 |
| 5932680 | Moisture-curing polyurethane hot-melt adhesive The hot-melt adhesive of the invention includes A) at least one polyurethane prepolymer of a) at least one polyisocyanate, in particular, toluene diisocyanate and/or MDI, b) at least one polyalkylene glycol at a concentration of more than 10% by weight based o... | 08/03/1999 |
| 5820719 | Method for forming a sole having a heat activatable adhesive adhered to one side thereof for subsequent attachment to an upper A sole assembly is made by placing a release film, having a heat activatable adhesive on one side, in a mold and forming a sole in the mold. The adhesive forms an integral part of the completed sole which allows handling of the molded sole without displac... | 10/13/1998 |
| 5624758 | Water-based adhesive formulation having enhanced characteristics Adhesive formulations are blends of aqueous polymer dispersions and a hydrophobic plasticizer. The blended dispersed polymers include at least one hard sulfonated polyester urethane, at least one soft non-sulfonated polyester urethane, and at least one po... | 04/29/1997 |
| 5599895 | Moisture-curing polyurethane hot-melt adhesive The hot-melt adhesive of the invention includes A) at least one polyurethane prepolymer of a) at least one polyisocyanate, in particular, toluene diisocyanate and/or MDI, b) at least one polyalkylene glycol at a concentration of more than 10% by weight based o... | 02/04/1997 |
| 5433695 | Foot piece for walking cast A foot piece of elastomeric material is provided for converting a new leg and foot cast and/or an already existing leg and foot cast into a walking cast by permanent attachment of the foot piece to a sole surface of the cast. The foot piece has an upper s... | 07/18/1995 |
| 5421050 | Shoe construction method A novel method of footwear construction. A specially designed outer sole with a lip is used. It insures accurate positioning between upper and shoe linings. After the upper is complete, a sock lining is attached to a leather lining by stitching the edges ... | 06/06/1995 |
| 4946535 | Polyester polyurethanes containing hydroxyl end groups and their use as adhesives This invention relates to new, substantially linear polyester polyurethanes containing hydroxyl end groups, based on selected starting materials, and their use as adhesives or for the production of adhesives.... | 08/07/1990 |
| 4918776 | Method of manufacturing shoes and insole part A method of making shoes of the type having a soft sole and an insole part used in the method. The insole part is produced by cementing a thin and soft insole sheet on a hard insole base so as to be easily peeled apart an separated. The method includes us... | 04/24/1990 |
| 4846919 | Attaching soles to shoes Method of bonding a sole to a shoe by applying moisture-curable melt adhesive to the shoe upper, subjecting the adhesive coating to a hot-cure step with airborne moisture, and pressing the sole and shoe upper together with the adhesive between them immedi... | 07/11/1989 |
| 4662018 | Full slip-on lasted shoe construction A method of manufacturing a shoe (10) includes joining a toe bottom sock portion (54) on a join line (56) to a toe portion (46) of an upper (12) to form a shoe sock (57). The join line (56) is near toe portion bottom margin (60) and the front perimeter of... | 05/05/1987 |
| 4662017 | Method and apparatus for producing footwear In a method for producing footwear, wherein the shaft and the shell sole of the footwear are glued together, the leather upper part of the footwear is first cut to size without the formation of a lasting fold, it is prepared and then roughened along a low... | 05/05/1987 |
| 4519147 | Footwear having cushion cavity A cement construction shoe is provided having a soft, flexible insole and a cushioned outsole. In manufacturing the shoe, the insole is temporarily stiffened by a relatively firm member to which it is bonded by means of a wax. This enables the insole to w... | 05/28/1985 |
| 4125522 | Adhesive composition A polyurethane adhesive, suitable for bonding of shoe uppers to shoe soles, is based on an isocyanateterminated prepolymer made from tolylene diisocyanate, a poly(tetramethyleneoxy) glycol, and a poly(ethyleneoxy) compound having 7-30 ethyleneoxy groups a... | 11/14/1978 |
| 4098632 | Adhesive process Process and apparatus for applying adhesive to a surface and for bonding and particularly for attaching a tread member to a shoe in which an adhesive applicator including a jet providing a gas stream having a rotational component is constructed to extrude... | 07/04/1978 |
| 3938266 | Adhesive system An adhesive system is described as including an adhesive having dispersed metal particles whose function it is to emit heat for the purposes of breaking the bond formed by the adhesive when such action is desired. Specifically, metal particles are embedde... | 02/17/1976 |
