A method of cutting non-metallic materials, specifically glass, resides in the heating of the material by an incident beam of radiation being effected to a temperature short of its softening point, with the rate of relative displacement of the beam and of the material, and the region of the heated zone which is locally cooled being selected to form a blind crack in the material. The method provide...

Crushing apparatus, in particular for discarded building materials or debris. The crushing apparatus has a crusher (B) which is constructed as a rotor and has swing-mounted hammers (29) and a charging device (C) which has two continuously rotating belts, specifically one friction belt (1) and one charging belt (7). The distance between crusher (B) and charging device (C) is variable in that the cr...

The separation of organometallic compounds and/or metal carbonyls from their solutions in organic media is effected according to the invention with the aid of semipermeable membranes of an aromatic polyamide.

Improved lead acid storage cell grid (50) for a storage battery which includes a tab (70) extending upwardly and at right angles from a slotted cell grid (50). A plurality of like polarity positive or negative interleaved battery grids (50) in a cell are joined into combined tab buses (139) which are then joined to adjacent battery cells to form an internal series connection of the battery cells, ...

A tire tread of elastomeric material formed into ground engaging elements (1) is provided with sipes (2) in said elements. The sipes are in the form of incisions. A first incision portion(s) extends inwardly from the tread surface and then splits into at least two incision portions (3,4) which continue to extend away from the tread surface while at the same time diverging apart from one another.

An apparatus (10) and related process for enhancement of woven and knit fabrics through use of dynamic fluids which entangle and bloom fabric yarns. A two stage enhancement process is employed in which top and bottom sides of the fabric are respectively supported on members (22), (34) and impacted with a fluid curtain including high pressure jet streams. Controlled process energies and use of supp...

The invention relates to new pyrazolylpyrazoles of general formula I in which R<1>, R<2>, R<3>, R<4> and R<5> have the meanings given in the description, processes for their preparation as well as intermediates, and their use as herbicides.

An electromagnetic actuator (10) is disclosed having a ferromagnetic case (12) and defining a central axis with a slidable core (16) disposed coaxial with the central axis. The core includes first end (20), second end (22) and core (24) portions. The actuator (10) further includes a magnetic flux developing element (18) mounted coaxial with the central axis and first and second ferromagnetic elect...

Apparatus for the detection of defects in a moving band, characterised in that it comprises optical means (25, 27) for inspection of the lower face and optical means (29, 31) for inspection of the upper face of the band, separate optical means (33, 34) for detection of the edges of the band, electronic means (35, 36) for indication of defects associated respectively with the optical means (25, 27,...

A fluid dispensing system for delivering sterile preservative free solution is disclosed. The system uses double self-sealing valves mounted in series inside a tip compartment which fits on the outlet of a multiple dosage squeeze container to prevent undesirable retrograde flow of the dispensed liquid back into the bottle during the decompression cycle. The valves used are positive acting, normall...

Test strip analysis system for analytically determining a constituent of a sample liquid, in particular a body fluid. The system includes test strips (1) with a colour forming layer (5) which is movably applied to the test strip. In the initial state of the test strip, it is not in fluid contact with a liquid reservoir layer (4) also applied to the test strip, but can be pressed against the r...

Compositions including silicone surfactants of the type used in manufacturing urethane foams and certain siloxane-oxyalkylene copolymers which act as cell openers when employed in combination with silicone surfactants in urethane foam manufacture are disclosed and claimed, as are urethane foam compositions including such cell operers, a method of preparing urethane foams using such cell operers, a...

It is possible using this apparatus to inspect surfaces for defects and contaminations in a non-destructive fashion over the entire area, both microscopically small punctiform or linear defects and the finest macroscopic inhomogeneities being detected. For this purpose, a astigmatic lens system (5) which produces a cigar-shaped intermediate image (31) is arranged in the beam path between the light...

The invention relates to a process for preparation of a rubber composition containing silica reinforcement through the utilization of a high purity organosilane disulfide. Pneumatic tires having treads prepared by such process are provided.

Procédé pour la fabrication d'un corps creux comprenant une matière plastique, dans lequel on ajoute à la matière plastique au moins une polyalkylèneimine.; In prodn. of a hollow plastic article, a polyalkyleneimine is added to the plastic material. Also claimed is hollow article per se.

The invention concerns a method of manufacturing lightweight aggregates, in particular filler materials made of polystyrene foam particles, in which said particles are subjected to heat treatment.

A method of reading data from the tracks of an optical disc, in which the light output of the laser diode is controlled by comparison of the actual value with a set value and the set value is lowered during an operating mode which evaluates only control data, while the HF amplitude of the output signal of the scanning head and/or an error rate signal of the data decoder is used at the actual value...

A phenolic resin (novalak or resol) is prepared, preferably from formaldehyde; 100 parts by wt. are mixed with 0.5 to 20 parts of a surfactant (e.g. a polyoxyethylene compound), 1 to 20 parts of a blowing agent (a volatile liquid) and optionally 0.5 to 10 parts of a wetting agent which acts to open the cells (e.g. sodium or ammonium lauryl ether sulphate), the mixing is at high speed and high shea...

The present invention provides sanitary laminated rubber articles suitable for use as various articles with safety and sanitary property, for example, containers for foods or pharmaceutical chemicals, transporters, instruments, packaging materials and the like. In this sanitary laminated article, the rubber surface is laminated with a resin film comprising a cyclic olefinic compound or bridged pol...

A fibre composite impregnated with a solvent-free, curable epoxy resin matrix and containing   (a) a liquid epoxy resin or a liquid epoxy resin mixture,   (b) a liquid beta -hydroxylamine of the formula I in which X is phenyl or the radical R-O-CH2-, where R is alkyl having 4 to 20 carbon atoms or an unsubstituted or mono- or poly-alkyl-substituted phenyl having 1 to 4 carbon atoms ...