An apparatus for transporting a sheet of a flexible material between a first and a second position. The apparatus includes an elongated frame and an air-pervious endless belt movably mounted on first and second pulleys positioned at each end of the frame. The belt has its upper rung travelling from the first pulley, adjacent the first position, to the second pulley, adjacent the second position, a...

A techniqu for producing measurements of physical characteristics of subsurface media near a borehole penetrating the earth is disclosed that uses multiple transducers positioned along a borehole tool. A number of transducers of a first type, such as transmitters, are separated from each other along the tool by a preselected separation, and a number of transducers of a second type, such as recei...

Tire casings are retreaded with precured tread strips in a heated pressure vessel provided with pressure connections which effect simultaneous inflation of the tires and pressurization of the vessel while maintaining tire pressure above vessel pressure. Subsequently a pressure relief system permits the tires to exhaust faster than the vessel. Each tire is prepared for retreading by applying a bond...

A closure device for fluid-tight closure of an opening of a fluid container. The device comprises a casing part (1) and a cap part (2). These parts are injection molded from different plastic materials, preferably from PVC and polypropylene, respectively, one partially against the other. A tubular portion (12) of the cap part (2) intrudes sealingly into a substantially cylindrical hollow space bet...

An adduct of zinc chloride and benzyl-N,N-di-sec. butyl-thiolcarbamate, and use thereof as catalyst for preparing benzyl-N,N-di-sec.butyl-thiolcarbamate from carbamoyl chloride and benzyl mercaptan are disclosed.

A curable and solventless sealant two-component composition consists essentially of a mixture of (a) a mixture of about 100 parts of a low molecular weight elastomeric isocyanate terminated prepolymer, having from about 3.5 to about 4.5% NCO content, from about 250 parts to about 400 parts of a medium process oil having a Brookfield viscosity at 22.degree.C. of about 10 to 500 cps, and from about ...

1525427 Moulding tyres GOODYEAR TIRE & RUBBER CO 7 Oct 1976 [20 Oct 1975] 41697/76 Heading B5A A tyre 10 with a white strip 25 between circumferential ribs 14, 16 is moulded after applying an uncured white strip circumferentially about the unshaped uncured sidewall of an uncured tyre; the strip and sidewall are shaped in a mould to the form shown in Fig. 4 in which margins 52, 54 of the strip part...

PCT No. PCT/SE85/00132 Sec. 371 Date Nov. 14, 1985 Sec. 102(e) Date Nov. 14, 1985 PCT Filed Mar. 26, 1985 PCT Pub. No. WO85/04736 PCT Pub. Date Oct. 24, 1985.A data processing system which includes an address bus connected to k computer elements is supervised with the aid of an arrangement including a plurality of indication registers connected to the bus and to an error signal generator. The addr...

A method of making a printing plate from a negative microphotographic film by means of enlarged photographic projection which comprises the steps of impressing a code for detecting the respective frames of the negative microphotographic film on the blank space of said frames; automatically detecting any desired one of the frames by reference to the code; projecting the image of the detected frame ...

A foamed polystyrene board useful as a thermal insulating material is produced by melting a polystyrene having a melt index of from 0.5 to 5 under heat in an extruder, mixing the molten mass with a blowing agent composed of methyl chloride and dichlorodifluoromethane, and extruding the resulting foamable molten gel from the extruder. As a novel essential feature, a flowability improver having a me...

A system for surveying a borehole or mine shaft to determine its trajectory uses a sensing probe with two spaced sets of accelerometers in sections 22, 23 measuring the components of the gravity vector along orthogonal axes at successive positions along the borehole 20. The two sets of accelerometers are connected by a pipe or cable 24 which is flexible to bend but torsionally stiff. The angular o...

PURPOSE:To omit one part of a metallic wire, and to reduce the size of a chip by utilizing a lead with a tab for a power supply feeding wiring. CONSTITUTION:A pad as one of an upper and group 4 is connected electrically to a lead 1 with a tab by a connector wire 5, and a pad as one of a lower pad group 4 is similarly connected electrically to the lead 1 with the tab by a connector wire 5. Aluminum...

A process for the treatment of a spent hydrochloric acid solution containing dissolved iron, zinc, and minor amounts of heavy metals to remove such dissolved metals from the solution, which process comprises contacting said solution with metallic iron in a first stage, whereby trivalent iron present in the solution is reduced to divalent iron and certain of said heavy metals may be reduced to elem...

An oil-soluble, hydrolyzed, anionic-graft polymer of an anionically polymerizable nitrile monomer, preferably a C3-C24 vinyl cyanide monomer, e.g. acrylonitrile, and an anion of an oxidized copolymer of ethylene and at least one C3 to C50 alpha monoolefin, e.g. propylene, said anionic-graft polymer in its preferred form containing from about 0.005 to 2% by weight nitrogen and having a number avera...

A device for the illumination of the instrument dials of two or more indicator instruments which are accommodated in one common housing, particularly of the indicator field of a combination instrument for motor vehicles. A single rod-like light transmitting element extends over a substantial part of the length of the housing and is illuminated on at least one end by a light source. A reflection su...

Instead of teeth or similar cutting or loosening means, oscillating nozzles are arranged on the outer backs and the outer side walls of the buckets of the bucketwheel of a bucketwheel excavator, the nozzles being capable of being supplied with liquid, in particular water, at high pressure. These nozzles enable the excavator to strip or mine deposits of high hardness and strength as well as highly ...