Abstract:
A heat-insulating wall of the present invention includes: wall bodies (2 and 3) whose hollow portion is a heat-insulating space (10); gas circulation ports (5 and 6) which are disposed on the wall body and through which the heat-insulating space communicates with the outside; an open-cell urethane foam (4) of a thermosetting urethane resin with which the heat-insulating space is filled by integral foaming; and sealing materials (50, 51, 55, 60, 61 and 62) for sealing the gas circulation port.
Abstract:
A multi-layer core for use in a vacuum insulation panel and an insulated container utilizing a vacuum insulation panel containing the multi-layer core is provided. The multi-layer core includes at least a first layer of a heat resistant material and a second layer of a material which is less heat resistant than the first layer or which has a lower melting point than the first layer. The core preferably includes a third layer comprising a heat resistant material. The second layer preferably comprises an open cell foam, and the first and third layers preferably comprise a silica material. A vacuum insulation panel which includes the multi-layer core is preferably provided in an insulated container including exterior and interior walls which form a pocket into which the vacuum insulation panel may be inserted. The container may be used to store and/or transport a variety of temperature sensitive items such as food, medicines, and the like.
Abstract:
Open-cell rigid foams containing urethane and/or isocyanurate and/or urea groups are produced with a long-chain polyether polyol having low double bond content.
Abstract:
A heat insulation box body includes inner and outer boxes forming a shell of the heat insulation box body and triangular structural materials inserted in the shell held by close-contact by means of a vacuum. Further, at the time of disassembling the heat insulation box body after scrapping, a shell surface is cut and air is introduced into the inside of the shell to return the state of the shell to an atmospheric pressure state and then respective members are separated from each other.
Abstract:
A heat insulation box body includes inner and outer boxes forming a shell of the heat insulation box body and triangular structural materials inserted in the shell held by close-contact by means of a vacuum. Further, at the time of disassembling the heat insulation box body after scrapping, a shell surface is cut and air is introduced into the inside of the shell to return the state of the shell to an atmospheric pressure state and then respective members are separated from each other.
Abstract:
Process for making open celled (semi-) rigid polyurethane foams using as cell opening agent a fatty acid or a fatty acid amine or a fatty acid amide or a fatty acid ester.
Abstract:
A getter system is provided for use with an evacuated container such as a vacuum insulation panel. The getter system has a first, activated getter material capable of gettering at least a first gas or vapor and a second, different gas or vapor. The getter system also has a second, activated getter material capable of gettering the first, but not the second, gas or vapor. Finally, the getter system includes packaging for the first and second getter materials, such that the first and second getter materials may be placed together within a single compartment of the evacuated container and the second getter material will be more readily exposed to the first gas or vapor than the first getter material. In this manner, the first getter material will be protected from the first gas or vapor even though it is already activated.
Abstract:
A refrigerator cabinet structure is provided in which a closedcell foamed seal is utilized as a seal between the rear panel and outer wrapper of the refrigerator cabinet at the rear and an open-cell foamed seal is utilized between the outer wrapper and inner liner at the front of the refrigerator cabinet. The space between the inner liner, outer wrapper and rear panel is then filled with a conventional foamed plastic insulating material with the open cell foam seal at the front of the refrigerator cabinet permitting the escape of air as the foamed plastic expands into the space between the outer wrapper, inner liner and rear panel.
Abstract:
An auger feeder includes a hopper having an inner hopper wall and an outer hopper wall where the inner hopper wall includes an air permeable surface. A space is positioned between the inner and outer hopper walls. A heater is coupled to an outside edge of the inner hopper wall or a n outside edge of the outer hopper wall while a feed screw is positioned along an inside edge of the inner hopper wall. The auger feeder additionally includes an evacuator coupled to a vacuum port that is positioned in the outer hopper wall. The auger feeder also includes an aperture exit positioned at a bottom of the inner and outer hopper walls.
Abstract:
A method of fabricating a vacuum insulated appliance structure includes molding a first layer of a first polymer material. A second layer of a second polymer material is molded to (e.g. over) at least a portion of the first layer, and a third layer of a third polymer material is molded to (e.g. over) at least a portion of the second layer to form a first component. At least one of the layers is impervious to one or more gasses. One or more additional components are secured to the first component to form a vacuum cavity. The vacuum cavity is filled with a porous material, and the vacuum cavity is evacuated to form a vacuum.