Class 264/416 - Using liquid to gas blowing agent

Subclass of Class 264 - Plastic and nonmetallic article shaping or treating: processes
Definition: Processes in which the pores or voids are formed by using
No. of patents: 20
Last issue date: 04/11/2006

Number	Title	Issue Date
7026044	Elastic inorganic foam An open-celled, inorganic foam based on an aluminosilicate and having a density of less than 25 g/l can be prepared by reacting and foaming an alkali metal silicate solution with an alkali metal aluminate solution in the presence of a volatile blowing agent and an e...	04/11/2006
7004161	Insertable thermotic module for self-heating cans A self-heating container which comprises a container body having an internal beverage section and a thermic cavity. A liquid reactant is positioned in a first section of the thermic cavity and a solid reactant positioned in a second section of the thermic cavity. Th...	02/28/2006
6971571	Reflow soldering apparatus and reflow soldering method A bath apparatus 12 reserves a liquid 13 as a heating medium and includes an input partition bath 31, a first intermediate partition bath 32, a heat partition bath 33, a second intermediate partition bath 34 and a removing p...	12/06/2005
6136255	Method and device for manufacturing biodegradable molded objects A voltage is applied to a feeder plate (29) from a power source section (2) including an alternating power source for dielectric heating, whereby an electric field in a direction crossing a direction in which a mold (8) is moved is applied to an incoming ...	10/24/2000
5965080	Method of manufacturing starch-based biodegradable molded objects Using a metal mold (8) having an insulating section provided with vapor release sections, pressure outside the metal mold (8) is reduced, and heating is performed while releasing vapor produced thereby through the vapor release sections. This can prevent ...	10/12/1999
5770038	Method for detecting chemical substances A method for detecting and identifying a chemical substance in various phases such as a vapor phase and a liquid phase. The chemical substance being measured is diffused into a predetermined phase. Then, an electric state at an electrode existing in the p...	06/23/1998
5227099	Method for printing on synthetic resin molded body and headphone housing on which printing has been made by the method A method for printing a letter, character or a figure on an inner ear type headphone, which is a molded body of a thermoplastic synthetic resin, by irradiating the surface with a laser light, and a headphone housing on which the letter etc. has been print...	07/13/1993
5057252	Method of producing heat-resistant and shape memory formed products A method of forming a heat-resistant product, produced from a polymer composition comprising 40-70 weight % of a thermoplastic elastomer containing a repeating unit derived from ethylene and a repeating unit derived from propylene and 60-30 weight % of an...	10/15/1991
4596682	Method of manufacturing fire retardant polystyrene insulating board Fire retardant polystyrene insulating material is manufactured from expandable polystyrene beads in admixture with a phenol-formaldehyde or melamine-formaldehyde resin in resole form, the resin containing a blowing agent and a surfactant. The insulating m...	06/24/1986
4530806	Process of making articles of foamed polymethyl methacrylate The invention relates to a process of making articles of foamed polymethyl methacrylate (PMMA). In a first process stage a mixture comprising monomeric methyl methacrylate, plasticizer, preferably liquid foaming agent and catalyst is polymerized by heatin...	07/23/1985
4486366	Method of continuously producing heat shrinkable amorphous polystyrene foam layer There is provided a method of continuously producing a highly oriented heat shrinkable single layer of amorphous styrene foam or a composite of a thermoplastic film and an amorphous polystyrene foam to form a heat shrinkable two-layer sheet that is easily...	12/04/1984
4464425	Foamed polymeric shrink-fit objects and their process of manufacture A shrink-fit article is made by extruding a silane-grafted polymer which foams, at least at its surface, and cross-links. Upon completion of foaming and cross-linking, the article is expanded while (still) warm and cooled in the expanded state....	08/07/1984
4376086	Process for the production of calcium silicate-containing stone blanks useful in constructing building walls A process and apparatus is provided for the production of calcium silicate-containing stone blanks which are useful in constructing building walls. A crude mixture, of a granulated silicate-containing material, lime, water, a cement and a foaming agent, i...	03/08/1983
4367185	Method of producing crosslinked polypropylene foam In producing a crosslinked polypropylene foam, 0.5 to 4 parts by weight of a compound selected from triacrylate and trimethacrylate of aliphatic polyhydric alcohol and a blowing agent are mixed with 100 parts by weight of propylene homopolymer or copolyme...	01/04/1983
4352892	Method for the manufacture of lightweight foam materials from crystalline thermoplastic materials and the resultant products This application is directed to light-weight and hard foam materials. The foams of this invention are prepared by extruding thermoplastic crystalline plastics in the presence of highly volatile organic liquids as the foaming agents. In accordance with the...	10/05/1982
4220730	Crosslinked chlorinated polyethylene foam A crosslinked, soft, flexible, closed-cell foam of chlorinated high density polyethylene and a process for the preparation thereof, comprising admixing a high density chlorinated polyethylene with a thermally decomposable chemical foaming agent at a tempe...	09/02/1980
4155965	Continuous submerged foaming of thermoplastic resin Continuous method and apparatus for treatment of a solid material submerged in a body of liquid wherein the material is sticky and/or has weak tensile strength. The material is supported, while it is so submerged, by a dynamic layer of the liquid lying be...	05/22/1979
4038350	Method of producing integral non-foamed skin layer shaped articles Shaped articles comprising a polymeric frame of uniform density having one or more substantially non-foamed skin layers over all, or only a part of, its surface are produced according to the disclosed method which includes forming a foamable mixture of a ...	07/26/1977
3962386	Corona discharge treatment of foam fibrillated webs Non-woven fabrics are produced from polyolefin foam fibrillated webs. The webs are treated with corona discharge to improve the adhesion thereof when they are laminated under heat and pressure to form a non-woven fabric....	06/08/1976
3953558	Method of moulding foamed synthetic resin pellets of polyolefine A method of moulding foamed synthetic resin pellets of polyolefine in a mould, wherein the synthetic resin pellets are prepared with volumne of closed cells being more than 65 % of the total volume of the total cells and having an inorganic gas in the cel...	04/27/1976

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Class 264/416 - Using liquid to gas blowing agent