In the case of a process for making a container, such as for example a can or tube for receiving a product, after making the container its inside is primed. A coating is applied to this primer in a layer thickness of 30-70 mu , a plastic, preferably a polyolefin or the like, being used as coating.

A catching device for the front edge of sheets in the sheet delivery apparatus of a sheet printing machine is described, in which apparatus stacking stops (4), which can be folded away, for the front edge of the sheets which can be conveyed onto a sheet stack (3) and catching fingers (10) which can be inserted at the same time in parallel with the plane of the sheets from the front edge of the she...

A process is indicated for element analysis with laser-induced emission spectrum analysis of a metal melt at its surface in a bore in a crucible (1). The bore is provided with a tube (4), which is sealed on the outside with a quartz window (6). An inert gas at a temperature exceeding 300 DEG C flows via a side connection (5) on the tube into the bore. The tube (4) is connected to a housing (7), to...

The preparation of the solid gel electrolyte, which usually follows the pouring of the initially liquid sulphuric acid into the finished storage battery fitted with charged positive and negative electrodes, can be associated with the formation process by finally installing the still unformed plates (blanks), fitting the final current terminals (poles, pole bridges) and forming with a sulphuric aci...

A process and a system for the continuous manufacture of polymeric foams. Reactive chemical components and additives comprising a low boiling blowing agent are mixed under pressure in a mixer (11); the mixture is then frothed before chemical reaction takes place by feeding the mixture through a pressure equalizing and frothing device (13) comprising an elongated pressure-drop zone (17) opening int...

A process and a system for the continuous manufacture of polymeric foams. Reactive chemical components and additives comprising a low boiling blowing agent are mixed under pressure; the mixture is then frothed before chemical reaction takes place by feeding the mixture through a pressure equalizing and frothing device comprising a pressure-drop zone opening into a frothing cavity having an output ...

A ski fastening includes a rear engagement member provided with a jaw (204) engaging the heel (205) of a boot. The rear engagement member is constituted by a first body (202) which is slidably associated with a base (206) which is rigidly associated with the ski. The first body includes first members (208) associated with the jaw, which can be activated by the boot and activate second members adap...

A process for the production of mouldings from soft integral (structural) polyurethane foam (for example headrests, armrests and soft rear spoilers) having a density of from 0.3 to 0.8 g/cm<3>, in particular from 0.3 to 0.6 g/cm<3>, by foaming polyol components (component A) with the isocyanate component (component B) in the presence of a blowing agent (component C). The essential feature of this ...

A process is disclosed comprising mixing selected shrinkage-minimizing halocarbons with selected two-carbon hydrogen-containing halocarbons, HCFC-123, HCFC-123a and HCFC-141b, and using this mixture as a blowing agent to produce minimal shrinkage closed-cell polyurethane foams.

A membrane separation process for dehydrating a gas or vapour or liquid mixture by pervaporation, vapour permeation or gas separation comprises: passing the mixture along the retentate side of a membrane and generating a driving force in order to transport water through the membrane to the permeate side thereof. In order to diminish the permeate volume, to improve the coefficient of performance (C...

A parking brake assembly of the blind-cable-connection type including a backing plate containing an opening, a helical guide spring arranged to guide a flexible resilient inner cable member toward a ramp surface on a parking brake lever for the blind connection to the inner cable member to the lever, characterized in that the angle of inclination of the ramp surface relative to the cable axis is c...

In the preparation of expandable styrene polymers by polymerizing styrene, if desired together with up to 50% by weight of other monomers, in aqueous suspension with addition of a C3- to C6-hydrocarbon as blowing agent and, if desired, conventional additives in effective amounts before, during or after the polymerization, foaming is reduced if the aqueous phase contains from 0.05 to 0.3% by weight...

The present invention relates to a process for the production of moulded articles which have an unfoamed vinyl chloride homopolymer, copolymer, terpolymer or graft polymer layer (compact layer) produced by slush moulding over a layer having at least one foam structure. To produce the unfoamed layer, a plasticiser-containing vinyl chloride polymer is first introduced into a mould in the slush-mould...

The invention comprises polymer compositions containing cross-linked biodegradable derivatives of chitin for use in preventing adhesion between body tissues.

The present invention provides a method for manufacturing an engine gasket (11) having reduced oil permeability. The engine gasket (11) is formed in the desired shape from a silicone rubber compound having an inner surface which is to be exposed to hot engine oil and an outer surface. A silicone varnish coating is applied to at least the inner surface of the engine gasket whereby the inner surface...

Melamine resin prepregs or melamine resin laminates which consist of a web-like fiber reinforcement which is impregnated with melamine resins which essentially comprise a) 40-85% by weight of at least partly etherified melamine resins, which are obtainable by reaction of melamine, formaldehyde and alkanols having 1 to 8 C atoms in a molar ratio of melamine formaldehyde:alkanol of 1:(5 to 6):(4 to ...

The dry electric shaver (10) includes a pair of movable cutter blocks (31) reciprocatively movable by a drive bar (15) with respect to a fixed perforated comb (25). The cutter blocks (31) are coupled to the drive bar (15) by a unitary one-piece plastic cutter support (40) having a central body (41) engageable with the drive bar (15) and having coaxial torsion bars (48,49) extending from the opposi...

Process for the preparation of finely divided porous cellulose in the form of essentially spherical particles by formation of a suspension, in which an organic solution of a cellulose ester of aromatic or aromatic-aliphatic carboxylic acids containing a C5-C12alkanol is stirred into an aqueous solution of an anionic surfactant, the solvent is removed and the particles are isolated and hydrolyzed u...

A drilling system comprises a drill string (1) incorporating inbuilt tubular conductors (25), a mud supply passage, and passages for protective or other fluids. The drill string can be advanced by selectively actuable pistons (51,60) exposed to drilling mud flow, by electrically driven traction units (71,74) engaging the drill hole wall or by a linear electric motor element (82) co-operating with ...

The present invention relates to preprimed metal substrates suitable for use in formed metal applications. The preprimed metal substrate is coated with, as primer layer, (1) a first coating layer applied onto the metal substrate, the first coating layer being based upon a particular hydroxyl groups-containing block copolymer, and (2) at least one flexible subsequent coating layer applied onto the ...