A pneumatic yarn splicer comprises a splicer body (6) which defines a splicing chamber in which yarns to be spliced are disposed. The chamber has an open side and open ends, and comprises a first portion (16) extending from one end and merging with a second portion (18) extending from the other end. A pad is provided for closing the open side of the chamber, and a port (10) in the chamber wall nor...

A porous for making a high M.wt. solid state polymerised poly(ethylene naphthalate) (PEN) foam comprises (a) dispersing a inert gas into molten PEN of intrinsic viscosity I.V. 0.25-0.55 dl/g to form a foamed PEN with a void fraction of 0.10 to 0.50; (b) forming the foamed PEN into granules; (c) devolatilising the PEN granules at 80-140 deg C; (d) crystallising th devolatilised PEN at 150-260 deg C...

A process for making flexible polyurethane foam, employing a silicone surfactant composition containing 5-20 wt % of a defined low molecular weight silicone surfactant and 95-80 wt % of a defined high molecular weight silicone surfactant. Use of the claimed mixture of surfactants provides product foams having improved breathability relative to foams produced using high molecular weight silicone su...

A process for the production of mouldings having a density of at least 120 kg/m<3> from polyurethane foams having a compact surface by foam-moulding a reaction mixture comprising a) a polyisocyanate component, b) a reactive component containing groups which are reactive towards isocyanate groups, c) blowing agents and optionally d) further assistants and additives, where the blowing agents...

Disclosed is a polyester film for use of a laminate with a metal plate comprising a polyester-group resin containing a white pigment having a mean particle diameter of 0.01 to 1.8 .mu. m at a content of 10 to 30% by weight. The film has (a) a void ratio of 4 to 30%, (b) a melting peak temperature of 150 to 245 .degree.C , (c) an amount of oligomer of not more than 3% by weight and (d) an orientati...

The invention relates to a method for the production of high resilience polyurethane foams by reacting a mixture of highly reactive polyols, which usually have an average molecular weight of between about 4800 and 6500 g/mole and at least 70% primary hydroxyl groups and optionally contain fillers, polyfunctional isocyanates, amine activators, cross-linking agents, tin catalysts, blowing agents and...

PCT No. PCT/GB95/02640 Sec. 371 Date May 15, 1997 Sec. 102(e) Date May 15, 1997 PCT Filed Nov. 10, 1995 PCT Pub. No. WO96/16328 PCT Pub. Date May 30, 1996Disclosed is a surface inspection lighting apparatus for use in the visual inspection by a human inspector of a reflective surface for surface defects. The apparatus has a region from which light emanates when the apparatus is in use. The intensi...

PCT No. PCT/DK95/00460 Sec. 371 Date Jul. 21, 1997 Sec. 102(e) Date Jul. 21, 1997 PCT Filed Nov. 21, 1995 PCT Pub. No. WO96/16387 PCT Pub. Date May 30, 1996A traffic supervision system for transport systems (17) of the type comprising a towing unit and one or more transporting or transported units, the towing unit having a data processing unit (1) with transmit and receive facilities adapted to re...

PCT No. PCT/FR95/01551 Sec. 371 Date May 23, 1997 Sec. 102(e) Date May 23, 1997 PCT Filed Nov. 23, 1995 PCT Pub. No. WO96/15698 PCT Pub. Date May 30, 1996A device for sanitary treating a sleeping mattress and more particularly a spring mattress and including an internal free volume (18) delimited by upper (12) and lower (14) faces and by a peripheral lateral strip (16). The springs (20) are dispos...

A surgical instrument (1) utilizing a laser beam is frequently used to obtain an incision (15) through gasification or vaporisation. This gasification and vaporisation is usually extremely injurious to the person operating the instrument (1). The object of the present invention is to draw off as much of said vaporisation and gasification as possible. In practise this is achieved by providing the r...

A surgical instrument (1) utilizing a laser beam is frequently used to obtain an incision (15) through gasification or vaporisation. This gasification and vaporisation is usually extremely injurious to the person operating the instrument (1). The object of the present invention is to draw off as much of said vaporisation and gasification as possible. In practise this is achieved by providing the r...

A system for controlling a servo-controlled gearbox (C), configured so as to use gear-shifting strategies similar to those used by a human driver so as to improve the driving sensation experienced by the driver. The control system uses a plurality of sensors (SENS) disposed in the vehicle for detecting the various operative conditions and a system of rules (a rule-based system) for implementing th...

The present invention relates to a novel ethylene/pentene-1 copolymer whose molded film has a good balance between impact resistance and tear properties and high transparency, also is prominently reduced in a variation of the transparency even after subjected to a heat treatment, and further shows high blocking resistance, provided that the copolymer fulfills specific requisites. The invention als...

Aqueous polymer dispersions which contain, as dispersants, a mixture of ethylene oxide-propylene oxide copolymer, ethoxylated alkyl phenol and/or ethoxylated fatty alcohol, ethoxylated polysaccharide and optionally, as a further component, sulphuric acid half of which has been esterified by means of ethoxylated alkylphenol and/or ethoxylated fatty alcohol.

A composition useful for rotational molding and method of rotomolding are provided. The composition advantageously includes particulate matter of significantly different sizes. A first polymer is provided as particulate matter of one size, and a second polymer is provided as particulate matter of a smaller size. During rotomolding, the first polymer forms an inner layer and the second polymer form...

Process for preparing a flexible foam by reacting a prepolymer having an NCO value of 3-15 % by weight, which is the reaction product obtained by reacting an excessive amount of a polyisocyanate with a polyether polyol or a mixture of such polyols, said polyol or mixture having an average nominal hydroxyl functionality of from 2 to 6, an average hydroxyl equivalent weight of from 500 to 5000 and a...

The invention concerns a process for recycling epoxy resin containing products and substances, such as for example printed-circuit boards, and for reusing the decomposition products. The recycling processes known hitherto only attain unsatisfactory results. Some of the processes are highly demanding in terms of energy are ecologically harmful. It is not possible to separate the material components...

An ethylene polymer extrusion composition having high drawdown and substantially reduced neck-in, a process for making such a composition and a process of using such a composition to prepare extrusion coatings, extrusion profiles and extrusion cast films are disclosed. The ethylene polymer extrusion composition is made of 75-95 weight percent of at least one ethylene alpha -olefin interpolymer an...

Multi-layered, core and shell particles are used to rotationally mold articles. The core and shell materials may be thermoplastic polymers, the difference between the core and the shell will be at leat 0.5 melt index units, optionally, the core and shell may also differ by at least about 1 DEG CTm. The core and shell particles produce a rotationally molded article with generally an outer layer (o...

A resistor has a resistor body of polycrystalline silicon and electric terminals arranged on and/or in the resistor body. A resistor portion is thus formed between the terminals, which gives the resistor its resistance. The material in the resistor body is doped with for example boron. In order to block unsaturated silicon bonds in grain boundaries to a sufficient extent and thereby give the resis...