Plate blocks are clamped by pneumatically inflatable multilayer elements.

An internal lining for ducts (C) is provided by introducing into one end of the duct an assembly (E) which comprises a sleeve (5) and an inflatable system (2) and which is provided with heating means for applying a sheath (1) impregnated with a resin against the inner wall of said duct (C). After partial polymerization at least of the resin, the sheath (1) adheres to the inner wall of the duct. Th...

An internal lining for ducts (C) is provided by introducing into one end of the duct an assembly (E) which comprises a sleeve (5) and an inflatable system (2) and which is provided with heating means for applying a sheath (1) impregnated with a resin against the inner wall of said duct (C). After partial polymerization at least of the resin, the sheath (1) adheres to the inner wall of the duct. Th...

An apparatus and method for processing hard shell crabs is disclosed, and which includes means for initially engaging and aligning the crab bodies with the path of travel through the apparatus, and then clampingly pressing the bodies against a supporting surface to maintain the orientation of the bodies during their movement through the subsequent processing operations. Trimming saws are mounted a...

An electric switching unit, particularly for motor vehicles, is proposed which is used for controlling and/or regulating, for example, ignition systems, fuel injection, anti-lock braking systems, and transmission controls. The electric switching unit has a moisture- proof housing (1); the housing part (2) thereof holding an electrical circuit (4; 5) is sealed by a moisture-proof, flexible membrane...

In an adjustable support (19) for the suspension (16, 17) of a rocking armature motor which consists of a base body (20), arranged fixed to the housing, and of a supporting part (31), which is inserted with a cylindrical pin into said base body such that it can twist, is supported on said base body and can be adjusted in the direction of the suspension axis, opposite annular surfaces (25, 36) of t...

Reinforced phenolic laminates are provided with a finishing coat of a butylated phenol-formaldehyde resin, thereby removing surface irregularities. The finishing coat can be mass-pigmented to the desired color, thereby obviating the necessity of any additional color-containing coatings.

Cured polyorganosiloxane foams exhibiting a uniquely high resistance to burn-through and disintegration when exposed to flames contain at least 0.1% by weight each, based on the weight of said foam, of at least one finely divided nonmetallic fibrous heat resistant material, at least one finely divided nonmetallic cellular heat resistant material, and at least 5 ppm of platinum in elemental or chem...

A magnetic theft detection system marker is adapted to generate magnetic fields at frequencies that (1) are harmonically related to an incident magnetic field applied within an interrogation zone and (2) have selected tones that provide the marker with signal identity. The marker is an elongated, ductile strip of amorphous ferromagnetic material having a value of magnetostriction near zero that re...

A process for finishing armoured resin products or thermoplastic resin products is characterized by applying on the surface of the resin product A at least one layer or sheet D of suitable heated thermoplastic material; applying to said layer D a pneumatic pressure to cause this to adhere integrally and evenly to the surface of the product; and cooling the whole so that, in contracting, said layer...

A pharmaceutical preparation containing as active ingredient a compound of the formula or a therapeutically acceptable salt thereof in which formula R1 and R2 are the same or different and each selected from the group consisting of H, CF3, NO2, -COOCH3, -COOC2H5, alkyl containing 1-7 carbon atoms, halogen, alkoxy, containing 1-5 carbon atoms, and alkanoyl containing 1-4 carbon atoms; R i...

An integrated semiconductor circuit device for generating a switching control signal includes a fuse having one terminal connected to a power source, and the other terminal connected to a flip-flop circuit comprising a cross-connected pair of complementary MOS field effect transistor type inverters. The output of the flip-flop circuit can be used as the switching control signal for a semiconductor...

Organic amide compounds of the formula wherein R1-CO is a residue of a carboxylic acid with the proviso that the carboxylic acid is not a natural fatty acid normally bound to nitrogen of nitrogenous lipids, R2 is a hydrogen atom, a C1-7 alkyl group, or a C4-7 cycloalkyl group, and R3-N is a residue of a nitrogenous lipid. The compounds are useful in increasing or stimulating the in vivo ...

A signal lamp having in its housing with an opening, a bulb, an optical elements installed in the housing for converting the light of the bulb into parallel rays of light, a colored lens being colored differently in plurality of regularly disposed patterns, a slit plate installed slidably and provided with portions pervious to light corresponding to said pattern in shape and a solenoid, by which t...

A plastics cover plate 6 is assembled to a plastics shell 1, e.g. to form the main portion of a moving coil electro-acoustic transducer of which the shell contains the magnet assembly 2, 3, 4, the plate 6 having a number - six in one case - of inwardly-extending studs 7. The assembly involves placing the cover plate 6 in position when the magnet assembly 2, 3, 4 is in the shell 1, and then applyin...

A process for the preparation of fiber-reinforced flat bodies containing a hardenable binder is described, wherein a core layer containing the prepared, unhardened (liquid) binder is placed between a cover layer and a backing layer; in order to provide this three layer body with its own internal cohesion even in the unhardened condition and to improve the mechanical properties of the body in the h...

PURPOSE:To obtain a level detecting circuit detecting surely a large input at the outside of the operating range of an intermediate frequency amplifier by providing the intermdiate frequency amplifier, plural level comparators having hysteresis and a variable attenuator. CONSTITUTION:A DC voltage output of an IF amplifier 4 comprising an IC having a narrow operating range of a DC voltage output si...

A mat like composite body (1) comprising a cover layer (2) of a fiber or filament fleece and a backing layer (3) comprising the same fleece or of a synthetic plastic sheet (7), in particular one provided with depressions (8), between the cover layer (2) and the backing layer (3) a layer (5) of particles (6) of an inert material, preferably rock particles, is arranged. The three layers (2, 3 5) are...