An impact detection system for an industrial door, the system including two members that are releasably coupled to each other to move together with the door as it travels; disposed beyond the doorway opening is a radiation emitter and a radiation detector, preferably packaged together in a photoeye device, and emitting a beam of radiation; the first member carries a reflector that, when the two me...

A brake actuator for use in conjunction with a door barrier for preventing closure of the door barrier when the actuator comes in contact with an obstruction. The brake actuator includes a bumper mounted on a leading edge of the barrier and movable between an operative position and an inoperative position. A load carrying linkage is provided which is activated when the bumper is moved to the opera...

A method of forming a single crystal diamond film in which a single crystal diamond film of large area can be formed at low cost, thereby making it possible to realize a large improvement in the properties of the diamond and also making possible the practical use of diamond in a wide range of applications thereof, said method comprising the steps of: first vapor-depositing a platinum film 2 on a f...

Refrigerant compositions are disclosed which are non-flammable when vapor charged and which perform as well as compositions of 50 weight percent difluoromethane and 50 weight percent pentafluoroethane.

A polymerizable, chiral compound of the formula (I): (Z-Y1-A-O-CO-O-M-Y2)nX(I) where: A, M, Y1 and Y2, X, n and Z are as defined herein; and which compound is suitable for use in electro-optical displays or as chiral dopes for nematic or cholesteric liquid crystals for the production of layers which reflect in colors.

Dienes of the formula I I in which n is 0, 1, 2, 3, 4 or 5, r is 1, 2 or 3, s is 1 or 2, is trans-1,4-cyclohexylene or trans-1,3-dioxane-2,5-diyl, is trans-1,4-cyclohexylene, trans-1,3-dioxane-2,5-diyl, unfluorinated or mono- or polyfluorinated 1,4-phenylene, in which one or two CH groups may also be replaced by N, or the central part Z is...

Describes a composition for producing durable coatings and a process for preparing a single-layer broad band antireflective coating on solid substrates, such as glass, ceramics, metals, and organic polymeric materials. The coating composition comprises, in combination, acid catalyzed hydrolysis and condensation products of water-silane monomer mixture and a film forming amount of a polymer having ...

A homogeneous composition for forming on firing a film of precious metal, which is one or more of platinum, palladium, gold and silver, on a substrate, for instance to decorate table ware, comprises polymeric resin and a solution, in water and a co-solvent, of thiolate of the precious metal, the composition containing 3-22% by weight of the precious metal as the thiolate, and the co-solvent, resin...

A leadframe integrated circuit package is provide with an interposer structure for electrically interconnecting a die with the leadframe. The interposer has a rigid substrate, which is mounted in the leadframe in place of a conventional integrated circuit die. Interposer bonding pads at the periphery of the substrate are connected to bond fingers of the leadframe, e.g., by wire bonding. The interp...

A conveyor system for transporting a plurality of liquid-filled containers each having an open top is set forth. The conveyor system comprises a conveyor for supporting the plurality of liquid-filled containers. The conveyor is driven by a servomotor. A programmable servomotor control system is connected to control movement of the servomotor in indexed steps in accordance with a programmed motion ...

PROBLEM TO BE SOLVED: To provide a non-woven fabric composed of two kinds of two- component filaments that smoothly differ from each other in weight ratio in vertical section. SOLUTION: This spun bonded non-woven fabric is composed of a two- component filament of type (a) and another two-component filament of type (b) of the same yarn number count as that of type (a) in such a way that both types ...

PROBLEM TO BE SOLVED: To guide a vehicle so as to return to a return point on an initial guidance route by using a route which is searched after the vehicle deviates from a guidance route, i.e., by using a route which reduces a running distance to a destination to a minimum. SOLUTION: A vehicle navigation system performs a processing operation when a vehicle deviates from a guidance route (off-rou...

PROBLEM TO BE SOLVED: To provide a semiconductor chip package in which an air trap and an inner pore do not exist in a shaped package body and which has high reliability. SOLUTION: The inner lead of a semiconductor chip package 200 is so constituted that a dummy block lead 154, which extends from the end part of an outermost inner lead 152 and is integrally formed with the outermost inner lead 152...

PROBLEM TO BE SOLVED: To prevent the floating of an adhesive tape, without deteriorating an electric characteristic and to improve reliability in the manufacture of a semiconductor storage product having LOC(lead on chip). SOLUTION: Lead frames 13, where dummy leads 15b are formed by branching a part of leads 14 into a comb-like shape, are prepared. The dummy leads 15b are detached from the leads ...

A lubricating oil composition comprising a fluoroalkyl alcohol represented by the general formula Rf-R<1>-OH, and a polyether compound. In the formula, R<1> represents a C2 to C15 alkylene group and Rf represents a C5 to C16 fluoroalkyl group, provided that the total number of fluorine atoms in Rf is at least 2n-3 (where n is the total number of carbon atoms in Rf) and each carbon atom of Rf has a...

An optical disk recording and reproducing apparatus comprises: a light source 2, 3 for generating a parallel beam; a radially movable optical system 34 to condense the parallel beam from the light source on the disk 8, to split the beam reflected by the disk into a first and a second beam, and to spatially invert the second beam; a first split-beam detecting device 15 having two light receiving su...

A találmány tárgya eljárás aminő-etil-etanől-amin és/vagy hidrőxi-etil-piperazin előállítására etilén-diamin és/vagy piperazin etilén-őxiddal, katalizátőr jelenlétében történő etőxilezése útján. A találmány szerinti eljárást az jellemzi, hőgy - az etilén-diamőnt és/vagy a piperazint főlyamatősan 0,05-0,5 mőletilén-őxiddal, előnyösen 0,1-0,3 mól etilén-őxiddal reagáltatják azetilén-diamin és/vagy p...

A lawn mower deck protecting device including a lawn mower deck mounting portion comprised of a right side brace and a left side brace secured to the deck of the lawn mower. A stress bar couples with a handle of the lawn mower and the right side brace of the lawn mower deck mounting portion.

A sanitary fixture permits a battery to be packaged with a control and evaluation circuit and a proximity detector for automatic control of a valve. The circuit is set at the factory after final testing with the battery in place to an energy-sparing mode which is maintained, e.g. by a sticker over the receiver of the infrared proximity detector. The normal mode is activated by an infrared signal a...

An integral printed sheet product includes a planar core formed by first and second strips of different materials positioned side-by-side, the second core strip being printed on a first major side with a plurality variable data fields, the variable data fields being spaced apart from one another on the second core strip, each variable data field being printed with a unique code, the codes printed ...