Abstract: An oxygen-absorbing film having an oxygen-absorbing adhesive agent layer including a cured oxygen-absorbing adhesive agent resin composition, wherein the oxygen-absorbing adhesive agent layer has at least two glass transition temperatures, and wherein the lowest glass transition temperature among the glass transition temperatures is lower than 0° C. The cured oxygen-absorbing adhesive agent resin composition preferably includes: (A) an oxygen-absorbing polyester resin having a glass transition temperature of ?20 to 10° C. and (B) a saturated polyester resin having a glass transition temperature of ?10° C. or lower.

Abstract: The present invention provides a regenerator which has uniform performance and extremely high productivity and can keep performance and reliability as a regenerator, as well as a regenerative material used in the regenerator, in order to solve technical problems in mass production.

Abstract: A high-performance, long-lasting, and inexpensive sheet-type regenerative heat exchanger suitable for a refrigerator for achieving low temperature cooling, and a regenerator or a refrigerator using the same are provided. The sheet-type regenerative heat exchanger includes a very thin sheet-like holding base, and at least one layer of numerous granules such as balls, chips, and fine particles having a relatively uniform particle size bonded to one or both surfaces of the sheet-like holding base. An alignment substrate may be used for bonding the granules in alignment to the sheet-like holding base. Alternatively, numerous minute holes may be drilled in the sheet-like holding base at intermediate positions between adjacent small apertures formed in the alignment substrate, for enhancing gas flow efficiency.

Abstract: A voltage non-linear resistor unit is composed of at least one of voltage non-linear resistors which is composed of a columnar sintered body formed by molding and sintering a raw material, the sintered body having both end surfaces having a surface roughness in term of arithmetic average surface roughness Ra of 1 to 2 &mgr;m and being formed with an electrode film layer, a terminal metal fitting formed in a predetermined shape and attached to the voltage non-linear resistor, and a soldering material arranged between the voltage non-linear resistors and between joint surfaces of the voltage non-linear resistor and the terminal metal fitting, the joint surfaces being joined by heating the soldering material and applying a load vertically to the joint surfaces while giving a rotation motion thereto. Such voltage non-linear resistor is effectively assembled into an arrester.

Abstract: A regenerative type engine which improves efficiency is provided. The regenerative type engine with fluid control mechanism comprises a radiator arranged in a position which is at least one of between the pressure fluctuation source and a regenerator and between a cold head and a phase regulating mechanism, and a flow path controller connected to the radiator, for independently regulating the flow path in the forward process and the flow path in the backward process of the operating fluid within the system of the regenerative type engine, the flow path controller independently regulating the flow path in the forward process and the flow path in the backward process such that the flow path in the forward process passes through the radiator and the flow path in the backward process bypasses the radiator.

Abstract: A pulse tube refrigerator includes a compression space defined by a compression piston inside a cylinder, an expansion space defined by an expansion piston inside a cylinder, the expansion piston being reciprocated at an advance angle of a constant phase difference within a range of 10.degree.-45.degree. relative to the compression piston, and first and second thermal systems communicating the compression and expansion spaces. Each thermal system has a radiator, a regenerator, a cold head and a pulse tube, with the regenerator of the second thermal system being composed of two regenerator sections. The cold head of the first thermal system is made to perform a heat exchange with the second thermal system between the two regenerator sections thereof, whereby a very low temperature is obtained from the cold head of the second thermal system.

Abstract: A printing head comprises an elongate head substrate provided with a line of printing dots along a first longitudinal edge of the substrate, and an array of drive IC's provided on the head substrate along a second longitudinal edge of the substrate. The substrate is further provided with a plurality of connection terminals adjacent to the second longitudinal edge. The drive IC array is rendered shorter than the printing dot line to provide two excess portions at both ends of the head substrate, and the connection terminals are locally arranged within the respective excess end portions without overlapping the drive IC array longitudinally of the head substrate.

Abstract: A pulse tube refrigerating system comprising a compressing cavity for compressing a working fluid, a heat radiator connected with the compressing cavity and a regenerator connected with the heat radiator. A pulse tube is provided and connected with the heat radiator through a refrigerating section. The pulse tube is connected through a heat exchanger and a flow regulating valve with an expansion cavity which is operable with a phase difference with respect to the compressing cavity, whereby the working fluid from the compressing cavity is cooled by the heat radiator and passed through the refrigerating section into the pulse tube, the working fluid in the pulse tube being compressed by the working fluid from the refrigerating section to be increased in temperature and passed to the heat exchanger to radiate heat.

Abstract: A multiple-phase Stirling cycle refrigeration apparatus includes four cylinders accommodating respective pistons and arranged within a cylindrical crank case on a circle concentric therewith. The four cylinders and their pistons are suitably dimensioned, the pistons reciprocated with a phase difference of 90.degree. separating one piston from the next adjacent, and the cylinders suitably interconnected to produce a very low temperature station and a moderately low temperature station, the former disposed at the center of the crank case and surrounded by the latter to faciliate the extraction of two temperature levels and to provide particuarly low temperatures in the very low or cryogenic temperature region.

Abstract: A propylene copolymer, which comprises units of (A) propylene, (B) a monomer selected from the group consisting of branched alpha-olefins (i.e. 4-methyl-1-pentene), styrene and styrene derivatives (e.g. methyl styrene), and (C) an optional monomer selected from the group consisting of straight-chain alpha-olefins of 2 to 12 carbon atoms other than propylene (e.g. ethylene), and which is defined by its thermal analysis data on a differential scanning calorimeter; and a process for producing the copolymer. Block copolymers are preferable.

Abstract: A cooling system for a vehicle in which a refrigerant is compressed and subsequently expanded to lower the temperature of a portion of the interior of the vehicle as well as the temperature of a refrigerated storage compartment in the vehicle. The cooling of the two different portions of the vehicle may be independently and automatically controlled. The refrigerated storage compartment is characterized by an insulated container being detachably affixed to the vehicle with a portion of the container in contact with, a portion of the cooling system that is cooled by the passage of refrigerant therethrough.

Abstract: A Stirling cycle machine comprises a normal temperature housing having a rotor disposed therein to define normal temperature chambers therein. The machine further includes a high or low temperature housing having a rotor disposed therein to define high or low temperature chambers therein. Passages are provided between the normal temperature chambers and the high or low temperature chambers by means of a heat exchanger and a regenerator which are connected to the rotors to rotate therewith in unison. The passages in the regenerator is connected with the high or low temperature chambers through a plurality of passages by use of slide valves formed in the high or low temperaturehousing.