PURPOSE:To produce the titled material with larger mechanical quality coefficient, less temperature dependability of electric characteristics and time lapse change of resonance frequency further reducing the temperature coefficient of resonance frequency proportionally to the depth of a circular cylindrical material in the diametral direction by a method wherein the mean crystalline particle diame...

PURPOSE:To realize control of the automatic speed-change gear ratio to the speed of an engine so as to always set the smallest fuel consumption in response to an operational condition by determining the target number of rotations and displayed target average effective pressure not only for fulfilling required output but also satisfying axial torque which is most appropriate to fuel consumption or ...

Acylosyhesenoic acids are produced by reaction of butadiene and acetic acid with metal salt oxidants in a process involving electrolytic regeneration of the metal oxidants during the reaction.

APPARATUS FOR LEADING THE TAIL OF WEB OF PAPER One or several fabric loops are disposed along the running route of a web of paper. The loops are driven via reversing rollers normally belonging to the paper machine. Air blowers extending along the running route of the fabric loops are disposed so that air jets blown through them support the tail of the web of paper and press it toward the fabric th...

A sofa sleeper having a foldable bed frame connected by a collapsible frame support linkage with a sofa frame. The collapsible frame support linkage includes a novel styling structure that permits the pitch of the seat, when the bed frame is in the sofa position, to be adjusted as desired. This styling structure, in preferred form, includes a styling link incorporated in the collapsible frame supp...

There is disclosed a shrimp processing machine which includes a new and improved cam arrangement for splitting the shrimp shells open to thereby expose the sand vein of the shrimp to facilitate the deveining of the shrimp and ultimate separation of the shrimp meat from the shrimp shells. The machine includes a plurality of processing stations including a cutting station for cutting the shrimp leng...

An apparatus for automatically controlling the operation of a non-track machine, such as a tractor used in plowing, fertilizing or mowing, may incorporate a guideway which limits the repetitive closed loop elongate path through which such a slave tractor operates to, electively, increasing or decreasing diametric distances, whereof a trolley, captive to the guideway, electively, pays out or takes ...

An engine mounting structure for mounting an automotive engine on the body structure of an automotive vehicle, comprising the parallel combination of a main oscillatory system adapted to damp vibrations produced by the engine during medium-speed cruising of the vehicle and an auxiliary oscillatory system adapted to cancel the vibrations to be transmitted through the main oscillatory system under h...

Hospital mattresses are generally made of foam plastic having predominantly open cell cores and are in the form of a parallel-epipedic block (1) which is provided with a protective layer (12 and 13) consisting of a plastic film which is easy to clean so that injurious substances and bacteria can be removed. Such mattresses have the drawback, however, that when used they produce sounds which are di...

This invention relates to a process for the production of polyurethane foams in closed molds using mixtures of organic polyisocyanates with certain compounds which liberate carbon dioxide under the catalytic influence of basic compounds. In this process a mixture of polyisocyanates and compounds which liberate carbon dioxide under the catalytic influence of basic compounds is reacted with organic ...

A tire building machine utilizes a ply-down and bead set assembly in which an array of axially projecting spring fingers are used. The fingers are secured between two nested rings which are constructed to interfit with each other and with each finger so that each finger may be inserted or removed without affecting adjacent fingers. One of the rings has projections interfitting with the fingers in ...

1-649CA TOOL-OPERATED FLUSH-MOUNTABLE LATCH A tool-operated latch has a body which is mountable on the back side of a door panel adjacent an elongate opening and a hole formed through the door panel. An elongate latch lever is pivotally carried by the body and is movable between a latched position wherein the latch lever is nested with respect to the elongate door opening, and an unlatched positio...

An aromatic polyimide composite membrane having an excellent gas-separating property is produced by a process comprising the steps of: coating at least one surface of a substrate consisting of an aromatic polyimide porous membrane with a solution of 0.05% to 10% by weight of an aromatic polyamic acid in a polar organic solvent, which is not capable of dissolving the polyimide porous membrane, at a...

A process for producing a foamed and molded article of a polypropylene resin, which comprises pressurizing preliminarily-foamed particles of an ethylene/propylene copolymer having a melt index value of from 0.1 to 25, a latent heat of crystallization of not more than 28 cal/g and an ethylene content of from 1 to 30% by weight as a base resin with an inorganic gas or a gaseous mixture of the inorga...

A process for obtaining fiber-reinforced foams suitable to be transformed into reinforced solid cellular materials having a density lower than 0.7 kg/l, if inert fillers are not present, and lower than 1 kg/l if inert fillers are present as well, essentially by mechanical incorporation of gas or a mixture of gases into an unsaturated polyester resin containing conventional additives is described. ...

A process for preparing filler-containing polytetrafluoroethylene fine powder which comprises mixing together an aqueous dispersion of particles of polytetrafluoroethylene and an aqueous dispersion of particles of a filler adsorbed with polyvalent cation at the surfaces so as to be charged positively in the presence of an anionic surfactant and a water-immiscible organic liquid to coagulate the po...

An aqueous coating composition is provided for filamentary materials that yields coated filamentary material with improved weavability and that yields reinforced elastomeric materials having improved properties of flexibility and fatigue resistance. The aqueous adhesive coating composition has a vinyl-pyridine-containing copolymer or terpolymer latex, a non-selfcrosslinkable elastomeric latex, a c...

1489108 Preparing thermoplast-elastomer blends UNIROYAL Ltd 29 April 1976 [12 May 1975] 19793/75 Heading C3P Thermoplastic elastomeric blends are prepared by (1) mixing 90 to 10 parts by weight of a monoolefin copolymer rubber with 10 to 90 parts by weight of a polyolefin resin having hydrogen attached to tertiary carbon atoms and a free radical generating curing agent, (2) masticating and shearin...

PURPOSE:To quickly perform an air deflating operation by connecting a pump mechanism for discharging air to the outside to an air escape hole mounted on the wall portion of a cylinder. CONSTITUTION:In case of deflating air contained in oil fed into a cylinder 2, a clip 19 is detached to move a piston 8 to be pulled outward, and a gap 17 on the trailing end side is passed through a groove 21. At th...

PURPOSE:To restrain dragging of a piston and to improve the durability of the piston by providing a square seal formed of ethylene propylene rubber material and limiting the roughness of the inner peripheral surface of the seal, interference and the roughness of the outer peripheral surface of the piston. CONSTITUTION:A caliper body 1 is provided with a cylinder 2 and a piston 3 slidably mounted t...