Abstract: An improved system and a device for providing air inflated cushioning material which is filled and sealed at the site of its intended use, such as at a packaging line. Included is an elongate flexible layered strip material comprising two heat sealable films fused together in discrete areas to form two rows of inflatable chambers along the strip and a passageway extending the length of the strip between the rows, with each of the chambers having an inlet opening narrower than the main portion of the chamber communicating with the passageway. The strip is shipped uninflated to the site where the cushioning material is to be used, and is then inflated on the device through which the passageway in the strip is propelled over an air nozzle to inflate the chambers through their inlet openings.

Abstract: A liquid crystal cell consisting of two planar supports and a spacer interposed between them only on the margin, said supports being fixed at intervals of a limit by the spacer to form an aperture, has at least one opening through which the liquid crystal material is poured into said aperture. The openings are sealed with use of cyanoacrylates or polybutadiene type resins so that the liquid crystal cell can be prevented from lowering of the characteristics caused by incorporating of impurities into the liquid crystal layer.

Abstract: A method for making hose including the steps of spiralling plies of thermoplastic tubing over a vulcanizable elastomeric tube where the tubing of successive plies are oppositely spiralled from each other; pressurizing and sealing the tubing; heating the assembly to a temperature lower than the melting point of the tubing; and vulcanizing the elastomeric tube.

Abstract: Shaped insulation material is formed by passing a porous envelope containing insulation material such as that comprising silica aerogel and an opacifier through a series of rolls followed by making the shape so formed rigid.

Abstract: An apparatus and method for repressurizing hollow valveless articles such as tennis balls and the like in which an article to be repressurized is punctured by a needle having a passageway therethrough and both pressurized fluid for repressurizing the article and sealant for sealing the punctured and repressurized article are delivered sequentially and commonly through a single passageway of the needle. Provision is made for shielding the needle against exposure to undesirable accidental puncture and breakage and, by a particular cooperation of relative movement of an article and the needle, for avoiding removal of a plug of material from the article during puncture.

Abstract: For filling and adjusting double-membrane cassettes acting as link members in piston metering pumps, the sealing surfaces of the membranes are first coated with a resilient pressure-deformable cement. The membrane cassette is introduced still unclosed into a thermostat where an adjustable, uniform pressure is applied to the upper membrane. The membrane cassette is then filled under an excess pressure of from 0.2 to 1 atm. and closed. After closing, the membranes of the cassette are brought into plane-parallel alignment in an evacuation unit.

Abstract: Patterns described with inks or colors on the surface of thermoplastic resin articles having an interconnected fine open-cell structure in the surface layer thereof are rendered durable without displacement or deformation by heating under pressure the pattern described surface to a higher temperature than that at which said thermoplastic resin becomes fluid to cover the pattern-bearing surface with a thin film formed from the original resin constituting said surface layer.