Polyoxyalkylene surfactants for cellular foams can be prepared by reacting under free radical polymerization conditions (1) an unsaturated polyoxyalkylene adduct and (2) an esterified unsaturated dibasic acid ingredient, wherein unsaturated diester ingredient (2) either completely or partially comprises a fumarate diester.

PURPOSE:To contrive facilitation of operation of clutch, by performing duty opening and closing control of a valve for hydraulic pressure control in a circuit for engagement and driving according to a detecting signal of an engine speed. CONSTITUTION:A circuit 28 for engagement and driving turning a clutch 10 into an engagement state is formed between a reservoir tank 30 side of an oil pump 32 and...

PURPOSE:To enable effective utilization of engine negative pressure until an oil pressure control valve opens to decelerate to the maximum by using the oil pressure control valve controlled by a cancel switch operated under the control of an engine negative pressure detector.

A process for augmenting production of a specific antibody from a patient including the steps of administering a specific antigen to the patient to cause production of the specific antibody, or choosing a subject containing an antigen, e.g., cancer, or one already immunized or making antibodies to an endogenous or exogenous antigen, performing a thoracic duct fistula on the patient, raising the ce...

Two embodiments of a mandrel for fabricating an air spring are disclosed. Each has a fixed diameter cylindrical portion and a portion variable in diameter to provide an extension of the cylindrical surface expandable to conic form. An array of fingers are pivotally secured to swing in radial planes to provide the variable diameter portions and are actuated by inflatable sleeves. The fingers are no...

Arrangement for a materials handling appliance (2), preferably a fork-lift truck, for moving pallets (4) and similar load-bearing elements in a plurality of directions (52-54), wherein, in the vicinity of the materials handling appliance (2) and mounted thereon there is a load-moving arrangement (30) for lifting a pallet (4), etc., and which can be moved between a position close to the said applia...

1456356 SO 2 conversion SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ BV 6 Oct 1975 [7 Oct 1974] 40875/75 Heading C1A A method for making sulphur or a sulphur compound other than SO 2 comprises (1) continuously supplying a gas containing sulphur oxides to a plant in which sulphur oxides are accepted from the gas on to a solid acceptor and an SO 2 -containing off-gas is subsequently released therefr...

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 ...

PURPOSE:To facilitate later handling of a waste coating material and contrive to reuse the material as a heating aid by a method wherein the waste coating material is freeze dried and is pulverized, followed by addition of a separating agent or drying at low temperature. CONSTITUTION:The waste coating material 1 is introduced into a refrigerator comprised of a cooler for refrigeration cycle of a f...

The invention relates to a method wherein uncured urethane formulations are bonded to a cured rubber or synthetic rubber substrate in such a manner so as to provide greater bonding strength than has been achieved previously in urethane formulation bonding to rubber or synthetic rubber. The substrate is cleaned, a coating of a cyanoacrylate adhesive is applied, followed by a liquid or paste urethan...

Preparation of a styrenic polymer in foam form involves incorporating within the styrenic polymer a uniform dispersion of a polymeric nucleating agent which has a weight average molecular weight greater than 10,000 and is insoluble in said styrenic polymer, and foaming the styrenic polymer with a foaming agent to yield a foam having a substantially uniform cell size.

Blends of polyvinyl alcohol, and ethylene-vinyl alcohol copolymer containing a processing aid such as polyamide, polyurethane or polyoxazoline are melt extrudable into paper-like films having excellent oxygen barrier and grease resistance properties.

PURPOSE:To provide the titled composition having excellent mechanical strength, effectively utilizing the resources, by mixing a plasticizer to a specific amount of a thermoplastic synthetic resin under melting, kneading the resultant liquid phase with a specific amount of waste synthetic fibers opened beforehand to single filaments, and impregnating the molten resin liquid into the fiber scrap. C...

The invention relates to a method for producing spherical granular material, more particularly metallic material, in which the initial material is first melted down in an electric furnace. The material is atomized as it emerges from a tapping vessel and, after solidification, is hardened, tempered and graded. In accordance with the invention, solidification takes place in a free-movement phase aft...

PURPOSE:To obtain the titled superconductive wire having increased superconductivity against strain by incorporating a specified percentage of B into a superconductive layer contg. an Nb3Sn compound. CONSTITUTION:A superconductive wire having increased superconductivity against strain is obtd. by incorporating 0.005-2atomic% B into a superconductive layer contg. an Nb3Sn compound. For example, a c...

A hydraulically controlled brake is equipped with a device preventing an excessive rise in temperature of the hydraulic fluid. The control piston of the brake comprises a cup-shaped piece and also an insulating core accommodated in the cup and having a free end face via which the piston pushes on the friction element. The core is screwed onto a central threaded column projecting from the bottom of...

1. A brake device, in particular for automotive vehicles, comprising a brake motor provided with a mechanical actuating device of the rotatable type adapted to be used for example as emergency or packing means and including preferably a mechanism of the reversible screwnut-type, and a jack connected by force-transmitting means to said actuating device, said jack including a spring which is normall...