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Class 264/45.6 - Foam surface layer produced by surface treatment of preformed base material


Subclass of Class 264 - Plastic and nonmetallic article shaping or treating: processes
Definition: Processes wherein the surface foam layer is produced by
No. of patents: 44
Last issue date: 03/27/2012


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NumberTitleIssue Date
8142696Method and device for the production of back-foamed air-permeable textile products
A method for producing back-foamed air-permeable textile products, whereas, instead of providing a film or the like to prevent the penetration of reaction products or foam to the visible face, the pressure created during the reaction is intentionally decreased so th...
03/27/2012
8080193Method for the production of a sound insulation molding with mass and spring
A method of producing a sound insulation molding with mass and spring, wherein both mass and spring are produced on the basis of the same material, in particular polyurethane. For the formation of a mass, reaction substances and fillers are brought into a mold, in p...
12/20/2011
7976749Injection process for making a moulding completely recyclable, multilayered article
An injection moulding process for making a completely recyclable, multilayered article which contains: i) a rigid layer formed of a thermoplastic polymer and ii) a foamed skin layer formed of a thermoplastic polyme...
07/12/2011
6852392Porous sheet, fiber composite sheet and processes for the production thereof
A porous sheet is provided suitable for use as a substitute for natural leather for shoes, clothes, and a fiber composite sheet. The porous sheet is formed of an elastic polymer, has a thickness of 10 to 500 μm, and has 500 to 15,000 fine pores mm2 insid...
02/08/2005
6780356Method for producing an inorganic foam structure for use as a durable acoustical panel
A process and apparatus for creating an acoustically absorbent porous panel comprises the steps of dispensing cement and fibers with a dry mixer to create a dry mix and aqueous mixing water, surfactant and air with an aqueous mixer to create a foam. The process and ...
08/24/2004
6716379Polymer foam plank with densified skin, method and apparatus for producing a densified skin on a foam plank
A method and apparatus for making a densified skin polymer foam plank comprising providing a polymer foam having a plurality of cells and heating an outer surface of the foam at a heating station. The heating step collapses and melts the cells adjacent the outer sur...
04/06/2004
6387200Sacrificial energy absorbing structure
The invention thus provides a method of making a foam-filled composite matrix having a cellular core, and the composite matrix of the method, e.g. for use as sacrificial energy absorbing structures particularly for the passenger compartments of vehicles, ...
05/14/2002
6342172Method of forming a foamed thermoplastic polymer and wood fiber profile and member
Advanced structural components comprising a foamed thermoplastic that can be used in virtually any application where wooden components have a use. Such structural components can comprise sized lumber, shaped trim, posts, beams or shaped structural members...
01/29/2002
6329602Tube for wiring harnesses
A tube for wiring harnesses consists of a cylindrical body for passage therethrough of a terminal-attached cable branched from a wiring harness, the cylindrical body being made of a foamed flexible sheet having a multiplicity of minute bubbles; and a cove...
12/11/2001
6274641Tetrafunctional initiator
The melt of polyvinyl aromatic polymers comprising from 10 to 45 weight % of star branched polymer prepared using a combination of thermal and tetra functional peroxide initiation has an improved melt strength permitting better foam formation for extrusio...
08/14/2001
6166099Tetrafunctional initiator
The melt of polyvinyl aromatic polymers comprising from 10 to 45 weight % of star branched polymer prepared using a combination of thermal and tetra functional peroxide initiation has an improved melt strength permitting better foam formation for extrusio...
12/26/2000
6146892Fibrillar matrices
Methods and compositions are described that provide three-dimensional fibrillar matrices useful as, among other things, structural prosthetics and scaffolds for cells. The porous fibrillar matrices of the present invention have desirable mechanical proper...
11/14/2000
6030476Insulated stock material and containers and methods of making the same
An insulating container comprising a container body having at least one side wall and a bottom wall with the side wall including a base layer, an insulating layer on at least a portion of the base layer and a printed pattern, mineral oil application or co...
02/29/2000
5976434Method for preparing hydrophilic polypropylene membrane
Polypropylene (PP) membranes having a hydrophilic surface have been prepared by extracting a fugitive hydrophilic pore-forming agent from a gelled film prepared by evaporating the solvent from a homogeneous solution of isotactic polypropylene, functionali...
11/02/1999
5840139Insulated stock material and containers and methods of making the same
An insulating container comprising a container body having at least one side wall and a bottom wall with the side wall including a base layer, an insulating layer on at least a portion of the base layer and a printed pattern, mineral oil application or co...
11/24/1998
5766711Composite camel structure and method for manufacture
A composite camel structure includes an elongate hollow, rigid cylindrical core, opposite ends of the core having respective caps sealingly connected thereto, a buoyant material of cured urethane foam substantially filling the core and being sealingly enc...
06/16/1998
5686091Biodegradable foams for cell transplantation
A structurally rigid biodegradable foam scaffold useful for cell transplantation is provided. The foam can be loaded with nutrients and/or drugs that elute from the foam during transplant to promote growth of the cells. The foam, which features a continuo...
11/11/1997
5620636Process for manufacturing foam molded product
A foam molded product of a synthetic resin having a continuous hardened surface layer formed uniformly on a part or the whole of its surface during its foam-in-place molding and having a desired thickness. A mold and a process which can make such a produc...
04/15/1997
5591496Method of manufacturing composite sheet materials
A method of making a composite sheet material in which at least one lamina of previously unused expanded polystyrene is bonded to a second lamina of recycled expanded polystyrene. The laminae are continuously formed from separate extruders and are merged ...
01/07/1997
5512319Polyurethane foam composite
The present invention is directed to a method of applying a polyurethane foam to a fabric and the product produced thereof. This method involves (a) coating the fabric with a silicone surfactant dissolved in water, and (b) expanding the polyurethane foami...
04/30/1996
5273597Trim member for motor vehicle and method of and system for manufacturing the same
A trim member for use as an interior furnishing in a motor vehicle includes a covering sheet including one surface having an embossed pattern, a first foamed body disposed on the other surface of the covering sheet, with a first component embedded partly ...
12/28/1993
5265558Foam bed for domestic animals having integrally formed, liquid impermeable outer skin
An improved method of manufacturing a basic structure for an animal bed and the article of manufacture resulting from the process are disclosed. The bed structure has a bottom wall and side walls. Chemical components for a foamable polyurethane base are m...
11/30/1993
5188777Opaque film and method for its preparation
There are disclosed opaque, biaxially oriented polymeric film structures each comprising a thermoplastic polymer matrix material, e.g., polypropylene, within which is located a stratum of voids, and positioned within each of at least a substantial number ...
02/23/1993
4801380Method of producing a silicon film with micropores
The present invention relates to a method of producing micropores having diameters of less than 20 nanometers in straight sides in silicon film. The silicon film produced by this process may be attached to a substrate material and used as a filter in mole...
01/31/1989
4761307Process for the production of optionally foamed polyurethanes which are combined or fabricated with another material
The present invention is directed to a process for the production of optionally foamed polyurethanes which are combined or fabricated with another material, comprising reacting compounds with molecular weights from 400 to 10,000 containing at least 2 isoc...
08/02/1988
4704130Biocompatible microporous polymeric materials and methods of making same
A microporous biocompatible material is formed by preparing a segmented polyether urethane urea solution containing 25%&#b1;1.5% solids dissolved in a solvent. The solution has sufficient viscosity to be preshaped and formed into the desired thickness of ...
11/03/1987
4701473Catalyst for producing polyurethane foams coated with skin
Amine catalysts useful for producing polyurethane foams coated with skin by reaction of an organic polyisocyanate with a polyol. The catalysts comprise 4-methyl-1-(2-hydroxyalkyl)-piperazine, and emit no bad odor, give excellent moldability and are free f...
10/20/1987
4652495Resilient coat for tie of direct-connection type track
A resilient coat for a direct connection-type tie (Danchoku tie) which is composed of a concrete tie body and a microcellular polyurethane elastomer coating layer which adheres to and coats the lower portion of the tie body to form an integral body therew...
03/24/1987
4644733Dunnage material
Loose fill packing material comprising a plurality of expanded, resilient, thermoplastic dunnage particles, which particles are rendered more effective by coating an outer surface thereof with an additive which additive results in the packing material hav...
02/24/1987
4435344Method for producing a heat-insulating paper container from a paper coated or laminated with a thermoplastic synthetic resin film
A heat-insulating paper container having good heat-insulating property which can be prepared easily at low cost is disclosed. The paper container is prepared by heating a paper container comprising a body member and a bottom member, wherein one surface of...
03/06/1984
4390584Process for making a perforated rigid sheet material for sound absorbing composite cellular structure
A composite structure for absorbing sound energy, comprising an outer porous layer covering a cellular layer, wherein said porous layer is made by forming a supple loose fabric from slivers each constituted by a plurality of relatively free mineral or syn...
06/28/1983
4252855Surface-modified cellulose acetate filaments and a process for producing the same
Surface-modified cellulose acetate filaments having a microporous structure located in the peripheral surface layer thereof are prepared by bringing non-modified cellulose acetate filaments which have an average degree of acetylation of 50 to 62% into con...
02/24/1981
4202716Wall covering and method of making same
A lightweight wall covering and method of making same are provided wherein such wall covering has a substantially smooth inside surface and a textured outer layer comprised of a substrate having an exposed surface defining the inside surface, a fluid impe...
05/13/1980
4190712Low density energy management urethane foam
An impact energy-absorbing, low density urethane foam for use in automobile bumpers has good moldability and is relatively temperature insensitive, i.e. gives approximately the same physical performance over a wide range of temperatures. This foam is char...
02/26/1980
4096303Composite carpet and foam laminate and method
The method of this disclosure relates to the application of a foam layer, in fluid form, to either an impervious or a relatively porous substrate and to the formation of a contoured foam laminate using a relatively rigid foam. The method of applying foam ...
06/20/1978
4078100Composite foam laminate and method
The method of this disclosure permits the application of a foam layer, in fluid form, to a relatively porous substrate and the formation of a contoured foam laminate using a relatively rigid foam. The method includes heating the substrate prior to applica...
03/07/1978
4071592Methods of salvaging improperly processed resinous
In the art of making chemically embossed sheets of resinous material for use as floor, wall, desk and table coverings, a method of salvaging and recovering a backing sheet material and a potentially foamable, gelled plastisol composition on which has been...
01/31/1978
4025372Method of making a padded item
This invention relates to a method of making fabric-faced upholstered items. The items are made by vacuum forming under heat a laminate of a cast highly plasticized vinyl chloride homopolymer or copolymer sheet and a readily extensible fabric, and the res...
05/24/1977
4022722Process for preparing shaped, foamed polyurethane articles
Linear siloxane-polyoxyalkylene (AB)n block copolymers having an average molecular weight of at least about 30,000, compositions of polyurethane-forming froths containing said copolymers, the curable froths produced from said compositions, meth...
05/10/1977
4012822System for sealing and repairing leaks in ruptured containers
A system for sealing and repairing leaks in ruptured containers whereby an applicator including an open-celled sponge body is inserted into the rupture and the two interacting components of a binary fluid foam composition are mixed and injected into the s...
03/22/1977
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