An apparatus for making a rotationally symmetrical body formed of crisscross-wound layers includes a winding mandrel, a carriage reciprocating along the mandrel and a thread laying assembly mounted on the carriage. The assembly has a pivotal device, and four thread laying rollers mounted for rotation on the pivotal device. The shafts of the rollers extend parallel to one another and are situated a...

For paraffining yarn or thread with paraffin wax, a thread guide rail (3, 4) is provided before and after a rotationally mounted paraffin body (2) in the direction of travel of the thread. The paraffin body (2) is displaceable in the direction of the plane defined by thread guide rails (3, 4) and its end position can be located by a stop which bears against the end of the paraffin body (2). The st...

The abovementioned device comprises, in order, a "gas spring" (12) for balancing the suspended element (1), a servomotor (6) for neutralising the frictional force of the "gas spring" (12), a compensation means (4) for compensating, in all the positions of the "gas spring" (12), for the variable forces thereof and consequently for constantly balancing the suspended element (1), the said device comp...

PURPOSE:To improve the response of a self-diagnosis and to make a decision on a fault possible, by allowing a watchdog timer pulse to reset a time counting circuit which determines the period of output pulses of a pulse generating circuit. CONSTITUTION:A pulse train PA is inputted to one of external interruption terminals of the microcomputer 1, i.e. iNT1 and a two-input OR circuit 4. The watchdog...

A device including a hand-held hair dryer and a hair dryer mount adapted to be attached to a planar support. The mount includes a catch for supporting and releasably preventing detachment of the hair dryer from the mount. In one embodiment, the hand-held hair dryer includes a first end and a second end with an indentation, and the catch includes a lower lever for receiving the first end of the hai...

A visually guided vehicle 1, such as a fork-lift truck, has a camera tube 3, such as an industrial television camera, and a controller 5 for controlling the automatic running apparatus 4 of the vehicle. Two reflectors M1 and M2 are disposed in front of the camera tube 3 so that the camera tube 3 may receive light from remote A and near B visual fields. A guide belt (2) laid on floor for guiding th...

PCT No. PCT/FR82/00073 Sec. 371 Date Dec. 23, 1982 Sec. 102(e) Date Dec. 23, 1982 PCT Filed Apr. 23, 1982 PCT Pub. No. WO82/03538 PCT Pub. Date Oct. 28, 1982.The umbrella comprises a cover (17) supported by a framework comprising a central truncated mast (15) mounted at the end of a radial arm (7) hinged to a fixed support structure. The ribs are hinged to a fixed hub (14) mounted on the central m...

1489237 Coated substrates RAYCHEM CORP 11 June 1974 [11 June 1973] 25851/74 Heading B2E [Also in Divisions B5 and H2] A substrate is covered with an insert and a recoverable member the insert comprising a corrugated "fusible material" or a "fusible member" having at least one protruberance, the recoverable member is recovered to cause the protruberances or corrugations to be detectable through the...

PURPOSE:Prevention of the swelling of the pattern on the substrate by providing breathing holes to the wiring patterns on the organic insulation layer.

An aluminium base alloy having a composition selected from:- (i) Cr 1.5% to 7.0% by weight Zr 0.5% to 2.5% by weight Mn 0.25% to 4.0% by weight Al remainder including normal impurities, and (ii) 7000 series Al alloys containing as added constituents:- Cr 0.5% to 3.0% by weight Zr 0.5% to 2.5% by weight Mn 0.1% to 2.0% by weight.

A disc brake calliper 10 includes a reaction member 34 slidably contacting the inner wall of the brake cylinder and a retraction spring 38 acting between the reaction member and piston 16 to retract the piston a predetermined distance following a brake application. The device reduces brake drag and improves vehicle fuel economy.

An expandable polymeric vinyl aromatic, e.g. poly styrene, particle is provided which contains a blowing agent, 0.1-0.5% bis (allyl ether) of tetrabromobisphenol A and 0.5-2.5% of dibromoethyldibromocyclohexane. The additives can be incorporated during impregnation with the blowing agent or by blending with the expandable particles after impregnation. Molded foamed articles can be produced exhibit...

An improved expandable polymeric styrene particle is provided containing a blowing agent, a minor amount of pentaerythritol tetrastearate, overcoated with a minor amount of glyceryl monostearate. The improved particle results in a significantly reduced final mold cooling cycle in producing the finished molded article. Pentaerythritol tetrastearate is preferably incorporated during impregnation wit...

Olefin polymer films composed essentially of a copolymer of a major proportion of ethylene with a minor proportion of a higher alpha -olefin monomer and an effective amount of a trackifying agent are provided which have unusually high Elmendorf tear strength in the machine direction, a good balance of machine direction to transverse direction Elmendorf tear strengths, and excellent cling properti...

A paperless transaction terminal is provided for use at a point of sale with purchasers' transaction cards. The terminal includes a reader 6 for reading information from a transaction card, and a keyboard 8 or the like to allow data relating to the transaction to be entered. A memory 5 stores data relating to the completed transaction for subsequent reading to a central transaction processing syst...

A foamed (preferably crystalline aliphatic) polyolefin is made from a foamable polyolefin composition containing sodium carbonate as a foaming agent together with an acidifier such as citric acid. Use of the process in making polypropylene strapping tape enables a sodium carbonate/acidifier foaming agent system to be used to obtain a cell structure regular enough to inhibit fibrillation. This is a...

A display device having a gas discharge display panel which comprises a plurality of sets of discharge cells (C). Each set (G) comprises N discharge cells (C) arranged according to a matrix of n rows and N/n columns where n>/=2. Each set (G) furthermore comprises first and second electrode means for selectively energizing the N discharge cells (C). The first electrode means comprises N column cond...

A downhole motor (such as a turbodrill) having the main parts thereof made of non-magnetizable material is mounted in drilling equipment for drilling a borehole in subsurface formations. A directional surveying instrument is placed in a non-magnetic drill collar section above the downhole motor.

Disclosed is a primer composition which contains an isocyanate compound having one or more 1,3,5-oxadiazine-2,4,6-trione rings as an adhesion promoter, which is useful as a primer for bonding polyester plastics to the same or different substrates using an adhesive such as polyurethane, epoxy and polyolefin adhesives. When the surface of polyester plastics is treated with said primer prior to appli...

Composites comprise a major proportion of pieces of expanded polymer, e.g. polystyrene, a polyolefine, polybutadiene, polyisoprene or polytetrafluoroethylene, secured together by an adhesive comprising a non-foamed polyisocyanate formed from one or more isocyanate prepolymers and an aqueous alkali metal silicate solution, a proportion of said prepolymers incorporating non-ionic hydrophilic groups....