A punch machine having reduced effects of reaction forces. An apparatus is provided which divides the overall structure into two cooperating structures, one for transmitting a working (or reaction) force, and the other for maintaining the alignment between the workpiece and tool components. The apparatus includes a pair of tools movable toward and away from each other along a tool movement axis, a...

A punch machine having reduced effects of reaction forces. An apparatus is provided which divides the overall structure into two cooperating structures, one for transmitting a working (or reaction) force, and the other for maintaining the alignment between the workpiece and tool components. The apparatus includes a pair of tools movable toward and away from each other along a tool movement axis, a...

Sugars and partly protected sugar derivatives are chlorinated by reaction of unprotected hydroxyl groups with thionyl chloride to form a persulphite followed by decomposition of the sulphite groups to form chlorosulphites, displacement of the chlorosulphite groups and insertion of chlorine atoms at one or more positions, characterised in that formation and displacement of the chlorosulphite groups...

Apparatus for forming a plastics coated metal tube comprising means for forming a continuous strip of metal into a U-shape and a forming sleeve for folding the strip into an overlapping tube. A mandrel (23) is also provided which extends through the forming sleeve and through a locating sleeve (30). The locating sleeve (30) centralises the tube as it passes over the mandrel and welding means are p...

Apparatus for forming a plastics coated metal tube comprising means for forming a continuous strip of metal into a U-shape and a forming sleeve for folding the strip into an overlapping tube. A mandrel (23) is also provided which extends through the forming sleeve and through a locating sleeve (30). The locating sleeve (30) centralises the tube as it passes over the mandrel and welding means are p...

Method of pressing an ophthalmic soln. comprises adding a source of a germicidally effective amt. of H2O2 and an effective amt. of H2O2-stabiliser. Pref. amt. of H2O2 produced is 0.001-0.10 wt.%, and this is the only preservative used. The H2O2 source is H2O2, sodium perborate decahydrate, sodium peroxide or urea peroxide. The stabiliser is 0.002-0.03 wt.% of diethylenetriamine penta (methylenepho...

Method of pressing an ophthalmic soln. comprises adding a source of a germicidally effective amt. of H2O2 and an effective amt. of H2O2-stabiliser. Pref. amt. of H2O2 produced is 0.001-0.10 wt.%, and this is the only preservative used. The H2O2 source is H2O2, sodium perborate decahydrate, sodium peroxide or urea peroxide. The stabiliser is 0.002-0.03 wt.% of diethylenetriamine penta (methylenepho...

Plastics coated metal tube produced by folding a strip of metal into a tubular form, seaming the tube and immediately extruding layers of plastics material onto the inner and outer surfaces of the metal tube, and cooling the plastics layers by passing the tube through a water bath (19), contains air injected under pressure to assist adhering the extruded plastics coating onto the inner surface of ...

The object of the invention is to provide a multipurpose mat for sporting which can be used also for other exercises than the conventional mats, serving for example as landing beds for jumping. The mat according to the invention has in one flat side a recess (5) which extends through but a part of the thickness of the mat, the shape of said protective cover (4) of the mat conforming to the shape o...

The object of the invention is to provide a multipurpose mat for sporting which can be used also for other exercises than the conventional mats, serving for example as landing beds for jumping. The mat according to the invention has in one flat side a recess (5) which extends through but a part of the thickness of the mat, the shape of said protective cover (4) of the mat conforming to the shape o...

A Christmas tree stand, comprising a base section 10, which is intended to rest against a horizontal surface, and an upwardly directed container part 13, which is angularly adjustable relative to the base section and which has members 15,16 for fixing a stem belonging to a Christmas tree. The base section 10 is provided firstly with surfaces 23 which are set up to interact with surfaces 13b on the...

The heater main part contains an electrical heating element (6), a straight medium tube (5), and a metal body (9) which joins the heating element and the tube. The ends of the tube and the end parts (6c, 6d) of the heating element are located outside the metal body. - The electrical heating element comprises a U-shaped formation, the arms of which are parallel with the medium tube. In the central ...

The frame is formed by horizontal steel tubes (12,13) positioned longitudinally and transversely, and joined at their corners by vertical tubular connections (15). Both the main steel tubes and their connections are formed with open ends (14) to accommodate telescopically displaceable tube pieces (20,21). - These displaceable tubes form part of the pallet thrust units (19) and/or anchoring formati...

A Christmas tree stand, comprising a base section 10, which is intended to rest against a horizontal surface, and an upwardly directed container part 13, which is angularly adjustable relative to the base section and which has members 15,16 for fixing a stem belonging to a Christmas tree. The base section 10 is provided firstly with surfaces 23 which are set up to interact with surfaces 13b on the...

A method of producing a thermally stable diamond compact having a metal layer bonded to a surface thereof is provided. The thermally stable diamond compact comprises a mass of diamond particles containing diamond-to-diamond bonding and a second phase uniformly distributed through the diamond mass. The metal of the metallic layer is molybdenum, tantalum, titanium or like high melting refractory met...