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| Number | Title | Issue Date |
| 7865989 | Spring element unit for a padding element, particularly a mattress A spring element unit for a padding element, especially a mattress, comprises a plurality of spring elements. The spring element consists of an open-cell polyurethane flexible foam material and comprises at least one recess. Such a spring element unit is used in a p... | 01/11/2011 |
| D600541 | Tube | 09/22/2009 |
| 5993932 | Foam material element for sound-damping cavities A foam material element for sound-damping cavities, particularly for light metal extruded profiles used in rail car construction. The foam material element has a foam material sandwich with at least two layers, namely a resilient layer and at least one he... | 11/30/1999 |
| 5192811 | Process for preparing a flame-resistant, elastic soft polyurethane foam A process for preparing a flame-resistant, elastic soft polyurethane foam includes admixing a portion of expanded graphite having a particle size of from 0.2 to 1 mm as a flame retardant and a portion of melamine, with a foam reaction mixture of polyol an... | 03/09/1993 |
| 5169876 | Process for producing a flame-resistant elastic soft polyurethane foam A process for producing a flame-resistant elastic soft polyurethane foam from a foam reaction component mixture of a polyol, a polyisocyanate, and a proportion of expanded graphite in the form of flakes as a flame retardant, includes initially admixing th... | 12/08/1992 |
| 5006564 | Process for the production of flame-retardant polyurethane foams This invention relates to a process for preparing flame-retardant polyurethane foams comprising impregnating an open-cell polyurethane foam with a mixture of a cross-linkable polychloroprene elastomer latex; a flame-retarding zinc salt of a metaboric or p... | 04/09/1991 |
| 4793574 | Backrest cushion for an air passenger seat In a backrest cushion of polyurethane foam in flame-retardant finish for air passenger seats, the protection against the risk of fire spreading is increased and at the same time the weight is reduced and the comfort increased according to the invention by... | 12/27/1988 |
| 4736911 | Airplane passenger seat with flame-retarding construction An airline passenger seat with flame-retarding properties with seat and back-rest upholstery consisting of polyurethane foam which is provided with a flame-retarding surface and is covered by a covering material with flame-retarding properties. A polyuret... | 04/12/1988 |
| 4630421 | Roof web for pitched roofs A roof web for pitched roofs includes a vapor diffusion permeable but surface water impermeable foil, a reinforcement disposed below the foil, and an open-pore soft foam material disposed below the reinforcement and connected to the foil through the reinf... | 12/23/1986 |
| 4315996 | Method for the manufacture of composite foam materials Method for manufacturing composite foam articles from foam material flakes, polyurethane binders and additional solid components which cause a modification or change of the properties of foam material by mixing and hardening the mixture under pressure. Th... | 02/16/1982 |
| 4314867 | Method for the manufacture of molded bodies Method for the manufacture of molded bodies, which includes heating a plate of thermo-plastic hard polyurethane foam, placing a reinforcing cover layer of UP-Prepreg on at least one side of the plate, and forming the heated body under pressure to a given ... | 02/09/1982 |
| 4312827 | Method and apparatus for the manufacture of a ball of foam material with embossed surface Method and apparatus for the manufacture of a ball of foam material with an embossed surface pattern corresponding to the surface marking of a leather ball, which includes marking the surface of the ball in a single operation by simultaneously applying a ... | 01/26/1982 |
| 4290147 | Handprotector for athletes Handprotector for athletes, including a one-piece protective cushion of soft polyurethane integral foam having a tubular forearm region surround the forearm and the wrist, the tubular forearm region having a narrow slit formed therein over the entire leng... | 09/22/1981 |
| 4284398 | Apparatus for the manufacture of a foam material ball with an embossed surface Method for the manufacture of a ball formed of foam material with surface embossing corresponding to a soccer ball, which includes subdividing the surface of the ball into a plurality of equilateral polygons, and embossing the contour of at least one poly... | 08/18/1981 |
| 4279038 | Headprotector made of elastic material for athletes Headprotector for athletes, including a body of form-molded polyurethane integral foam surrounding the head on all sides, extending to the beginning of the neck vertebrae on the back of the head, and having a bowl-shaped region covering the chin, the mold... | 07/21/1981 |
| 4260353 | Apparatus for producing rectangular blocks of foamed resins In a method of producing blocks of a foamable reaction mixture having an adjustable surface and sharp edges wherein the reaction mixture is discharged from a mixing chamber onto a forwardly moving surface path in a continuous mass of varying height, the i... | 04/07/1981 |
| 4246214 | Method of molding polyurethane foams in steam heated molds and adhesion steam condensate is used to cool the molds Foam molding apparatus wherein individual molds filled with a flowable foam-material mixture are subjectible in a hardening operation to a heating and subsequent cooling interval, includes a rotatably driven table carrying a plurality of the molds for hot... | 01/20/1981 |
| 4222722 | Device for synchronizing the movement of the cover web and base web during the continuous production of rectangular foam blocks In a method of continuously producing rectangular foam blocks wherein a foamable polyurethane-reaction mixture is deposited on a bottom web moved by a conveyor belt, the surface of the rising foam is covered by a cover web which is withdrawn from the foam... | 09/16/1980 |
| 4201321 | Applicator device for flowable reaction masses Applicator device for flowable reaction masses includes a crossbeam for distributing reaction mass and lines for feeding the reaction mass to the crossbeam, the crossbeam being formed with an inner hollow chamber communicating with the feeding lines for r... | 05/06/1980 |
| 4183889 | Method for the production of a polymer substrate with a fibrous surface The present invention relates to a process for the production of thermoplastic substrate with fibrous surfaces. The fibers of these surfaces are formed by drawing away from a heated surface a molten polymer component backed by an unmelted polymer residue ... | 01/15/1980 |
| 4102619 | Apparatus for producing foam slabs of rectangular cross-section In an apparatus for the continuous production of rectangular foam slabs wherein a foamable reaction mixture is foamed on a forwardly moving floor web and lateral confining webs, and in which a cover web is applied during the foaming process to the surface... | 07/25/1978 |
| 4080345 | Catalyst mixture for use in trimerizing and/or polymerizing isocyanates and/or for the polyaddition of active hydrogen atom containing polyethers and polyisocyanates Catalyst mixture for use in trimerizing and/or polymerizing isocyanates and/or for the polyaddition of active hydrogen atom containing polyethers and polyisocyanates comprising an amine as conventionally used in polyurethane chemistry in combination with ... | 03/21/1978 |
| 4065245 | Apparatus for producing sheeting having a fibrous surface A process is provided for manufacturing a product which has a fibrous surface and is formed by the conversion of a non-fibrous polymer, which process comprises placing a polymer between drawing surfaces which adjoin the polymer and adhere thereto and sepa... | 12/27/1977 |
| 4056595 | Process for producing foam slabs of rectangular cross-section In the continuous production of rectangular foam slabs wherein a foamable reaction mixture is foamed on a forwardly moving floor web and lateral confining webs, and in which a cover web is applied during the foaming process to the surface of the rising fo... | 11/01/1977 |
| 4000230 | Process for producing sheeting having fibrous surface A process is provided for manufacturing a product which has a fibrous surface and is formed by the conversion of a non-fibrous polymer, which process comprises placing a polymer between drawing surfaces which adjoin the polymer and adhere thereto and sepa... | 12/28/1976 |
