baber/WOPTO huggingface dataset:
Patent DE-4200608-A1 (DE)
Title: Heated roller - has inner heater to give recirculating heat to compensate for heat loss
IPC: D21G1/02
Filed: 1992-01-13
Abstract: To control the temp. of a heated roller (10), for processing web materials, the inner temp. control unit (12) gives a heat which recirculates, and compensates for heat loss through radiation, convection and heat channelling. The heat output of the external heater (13) gives replacement heat volumes covered by the material web (16). For adjustment of the inner heater (12) when the material web (16) is not in contact with the roller (10), the outer heater (13) applies a temp. to the outer surface (3) of the roller (10) which would apply when in operation. The temp. distribution across the width of the material web (16) is taken to adjust the effective width of the outer heater (13). USE/ADVANTAGE - The roller, in the form of a thick-walled roller tube, applies heat to a moving web, through a roller surface temp. of about 250 deg.C, such as in paper calendering. The system prevents overheating at the roller surface, in the event of a web break and the like. The system also reduces the costs of external heating, and makes space available for fitting scrapers and other units at the roller surface.
Patent DE-4202431-A1 (DE)
Inventor: WOLF AXEL DIPL ING
IPC: C04B16/08
Filed: 1992-01-29
Abstract: The present invention relates to a lightweight aggregate with a hardened surface for plasters, concretes, mineral-bound or synthetic resin-bound insulating panels and insulating material for fillings, the latter being obtainable in that expanded polystyrene particles are, in a first stage, comminuted, in particular pulverised and/or broken up and/or ground and in that then, in a second stage, the material obtained is subjected to a conditioning process, preferably in a pressure foamer. <IMAGE>
Patent DE-4202686-A1 (DE)
Title: Motorised drive accommodation arrangement for battery-powered wheelchair - provides for battery location in holder supported on protruding bars in portion of frame under seat
Inventor: DR SASSE MASCHINEN-APPARATEBAU
IPC: A61G5/04
Filed: 1992-01-31
Abstract: The wheelchair (1) is powered by a battery (10) supplying current to a drive (7) incorporating two electric motors (1) driving a pair of wheels (2) on either side of an electric circuit box (38) linked to controls (33) within easy reach of the patient's hand. The battery-holder (11) is located under the seat and has projecting adjustable support bars on which it can be rested statically in a part of the frame, with the bars making contact at three or more points. ADVANTAGE - Assists in handling of easily replaced or retrofitted battery-holder.
Patent DE-4203118-A1 (DE)
Title: Transport handling system for stacks of flat objects - has grippers with fingers attached to swivel levers which are attached to holder raised and lowered by piston cylinder unit
Inventor: DERHAKE THOMAS DR DR ING
IPC: B66C1/28
Filed: 1992-02-04
Abstract: The movable support is provided on opposite sides with swivel grippers comprising fingers (29) connected at right angles to at least one lever (23). This lever is mounted on the support where it can be raised and lowered and swivelled above the stack (41) to be seized. The lever is attached for articulated movement to a holder which can be raised and lowered by a piston cylinder unit (16) operated by pressurised medium. The lever has underneath the articulation joint a slide block or slide roller (25) which runs in a guide curve (26) of the support. ADVANTAGE - The fingers move quickly between their transport position and release position allowing faster handling speeds.
Patent DE-4204158-A1 (DE)
Title: Stackable tray for office forms - has hinging locking members in lengthwise bottom grooves open to outside and on vertical actuating members movable through sidewall openings
Inventor: WENZLICK ERICH
IPC: B65D21/02
Filed: 1992-02-13
Abstract: The tray sidewalls(13) have lengthwise tongues(20) protruding inwards and clear of the bottom engaging in the grooves(16) of the tray above, while the members engage with protrusions(24) on the tongue undersides. Each locking member(26) hinges, and has a groove open to the outside aligned with the bottom groove(16) in the engaged position. The member fits in a bottom recess and has one or more locking bosses(25) at the top. Its actuating member moves through a sidewall opening(35) between the inner release position and the outer locking one. The locking member can be L-shaped, its horizontal arm containing the groove, while the vertical one forms the actuating member. USE/ADVANTAGE - Stackable form-tray is easy to use and is firmly secured in locked position.
Patent DE-4207233-A1 (DE)
Title: Prodn. of porous filter body for exhaust gas - by saturating paper and/or cardboard material with water, stirring and drying or hardening obtd. foamed pulp
Inventor: GEIER-HENNINGER KURT
IPC: C05F11/00
Filed: 1992-03-07
Abstract: In the prodn. of a porous filter body, the paper and/or cardboard material is saturated with water, and air is used to stir or beat it into a foamed pulp. The paper pulp is dried or hardened into an open-pore filter block. The initial thin paper fibre slurry is pref. converted into a thicker pulp by sieve action to remove water through a sieve stretch or a rotating filter drum, and compressed air is applied to the thick pulp from below for foaming. A foaming agent can be added to the pulp. When the thick pulp has reached a given pore size, pref. through compressed air together with CaO powder, it is hardened into a block through the bonding reaction. USE/ADVANTAGE - The filter body is for use as a solid or loose filter material for exhaust gas with a grease or oil content, or exhaust gas from smoking or rotating assemblies with organic odourous matter. It can also be used when ground or crushed together with organic matter and dissolved lime as a fertiliser, or as a mulch or spreader to absorb liquid. The filter material is cheap and simple, with high surface activity, and easily recycled.
Patent DE-4209243-A1 (DE)
Inventor: BIRKHOFER HERMANN DR
IPC: C14C9/00
Filed: 1992-03-21
Abstract: A process is disclosed for stuffing, fulling and waterproofing leathers and pelts by using en-adducts of maleic acid anhydride to either unsaturated fatty acids containing 12-24 C atoms, their C1-C20 alkyl ester or C2-C20 alkenyl esters, triglycerides, amides, mono- or di-(C2-C4 alkanol) amides, mono- or dipolyetehr amides or polyether esters; or by using en-adducts derivatized partially or completely by conversion into amides or esters with amines or alcohols.
Patent DE-4212384-A1 (DE)
Inventor: BAUMGARTNER HANS
IPC: F16C33/20
Filed: 1992-04-13
Abstract: A compressed-air disk brake has a caliper for holding the brake disk. On one side of the caliper is arranged a braking force application device with a swivelling lever, which at the side opposite to the brake disk is mounted in an substantially semi-circular pivot bearing supported on the caliper so as to swivel around an axis of rotation parallel to the plane of the brake disk. At the side of the brake disk, the swivelling lever is supported by means of an eccentric approximately at its center, in the longitudinal direction, on a traverse parallel to the axis of rotation. The traverse is slidingly guided with respect to the brake disk and acts over a thrust piece on a brake block slidingly mounted with respect to the brake block in the brake caliper, on the side of application of the braking force. A further bearing is provided between the eccentric and the traverse and/or between the eccentric and the swivelling lever. In order to optimize the hysteresis performance of the brake, at least one of the bearings is designed as a slide bearing whose slide surface upon which thrust is applied is composed of at least 70 % by volume polyvinylidene fluoride, at least 10 % by volume polytetrafluoethylene, and the remaining percentage of lead.
Patent DE-4212468-A1 (DE)
Title: Workpiece machining centre - has several tool modules surrounding central workpiece table, table and modules being rotated in computer-controlled steps
Inventor: BEBBER WOLFGANG DIPL ING
IPC: B23Q11/08
Filed: 1992-04-14
Abstract: The machining centre comprises a stepwise rotary cycle machine which has a number of cutting planes and directions for each step of the cycle. Each tool on the rotary carrier has its own spindle, and as the tools are brought up in turn, they can move in all coordinate directions. Several tools are on one module, and there are several modules arranged around the workpiece. The workpiece itself is on a table which can be rotated in steps allowing different cutting planes to be presented to the tools. The whole operation is computer- controlled and programmable. ADVANTAGE - Simple and inexpensive machine to shorten machining time.
Patent DE-4214869-A1 (DE)
Title: Formation of nonwoven fabric - using reject cloth reduced to small segments and attached to body fabric by needling process
Inventor: TESCH GUENTER HORST
IPC: D04H13/00
Filed: 1992-05-05
Abstract: A flat textile formation has a body fabric and outer layer of textile material. This material is formed from pieces of a suitable size and shape, and attached by a needling process. The process is also claimed. The body fabric may be woven, knitted, a web, or netting from monofilament, or multifilament, which may be polypropylene. Rejects at certain stages of manufacture of textile material are usually scrapped. These are gathered and stamped, torn or cut into small dimensions of 3 to 6 mm wide and 3 to 6 cms long. ADVANTAGE - Avoids expensive processes previously employed to produce a rug of similar design, or woven chenille in finer fabric.
Patent DE-4216211-A1 (DE)
Title: Redundancy circuit for semiconductor memory - has reference voltage circuit coupled to reserve signal reference line and HV circuits for FLOTOX transistors
Inventor: HAN SEOK WOO
IPC: H01L21/8247
Filed: 1992-05-15
Abstract: The redundancy circuit provides reserve signals, with reserve memory cells used for special addresses. The circuit has a reference line, with a defined voltage level, used to generate the reserve sigals and a reference voltage supply circuit (4V-1), coupled to the reference line. Two or more FLOTOX (Floating Gate Tunneling Oxide) transistors are each coupled to the reference line at thier source and to earth at their drain, with corresponding HV driver circuits (4V-2) coupling the address lines to the transistor gates. Preferably, the reference voltage circuit (4V-1) uses a pair of inverters and the HV driver circuits (4V-2) each use four inverters. USE - For providing back-up memory capacity for defective memory cells.
Patent DE-4218397-A1 (DE)
Inventor: NAETHER HORST DIPL ING
IPC: G07C5/08
Filed: 1992-06-04
Abstract: For assessing an accident or a driving situation close to an accident, a memory arrangement is provided in which speed measurement values are simultaneously recorded in at least two parallel memory branches (15 and 16). In each memory branch, a number of time-limited memory areas (17, 18, 19 and 20, 21, 22) is defined which in each case exhibit a memory section (24) which can be operated as a ring memory followed by a memory section (25) which can be operated as a linear memory. The speed values continuously recorded in the ring memories during a normal trip are permanently stored in one memory branch (15) when the criterion v = 0 km/h occurs and in the other memory branch (16) when the criterion a > delay threshold X occurs. Subsequent speed values are recorded in the linear memory of the relevant memory area up to the specified time limit after which a change to a free memory area of the respective memory branch (15 and respectively 16) occurs. <IMAGE>
Patent DE-4221074-A1 (DE)
Inventor: CORLISS DANIEL A
IPC: H01L21/3065
Filed: 1992-06-26
Abstract: A cross-wafer critical dimension uniformity performance monitoring in the manufacture of semiconductor devices employs a number of optical endpoint detectors at sites at the wafer face which are spaced across the wafer face. Each optical endpoint detector is able to directly measure the end point of the process step at its site. One of these optical endpoint detectors is used to control the process, and when the endpoint has been reached for this site the process completion time is predicted and this completion time is used to control the processing equipment. For example, if the process step being monitored is the development of photoresist, then the developing operation is ended based upon this calculated completion time derived from the detected endpoint for the control site. The other sites are used to monitor across-wafer performance. The output of each of these other optical detectors is used to determine the endpoint for each monitor site, and these endpoints are compared with the control endpoint to determine across-wafer critical dimension performance and conformance to specification. The wafers can thus be flagged if out-of-limit, and need not be processed through subsequent steps. <IMAGE>
Patent DE-4233479-A1 (DE)
Title: Microorganism freeze drying - using double-walled condenser with constant selected temps. in each drying phase
IPC: F26B5/06
Filed: 1992-10-05
Abstract: The freeze drying process for fluid media, esp. micro organisms such as water from the base of heat exchangers, uses a double-walled condenser, where the condensn. temp. is held at a constant level during a given time span in the drying process at least, through nitrogen, at a selected temp.. The vapour pressure temp. is set according to the selected condensn. temp. by adjusting the vacuum and/or the dryer temp. and/or the opening cross section of the setting valve between zero and max. opening size to give a generally consistent sublimate pptn. over the whole length of the condenser. ADVANTAGE - The system gives very low freezing and condensn. temps. in a small assembly, for freeze drying bacteria cultures, with low energy loss.
Patent DE-4238251-A1 (DE)
Title: Light beam deflection controller for laser printer or optical disc system - has thin base of electro optical material with electrode controlling deflection through pair of prisms
Inventor: KATAOKA KEIJI
IPC: G02F1/29
Filed: 1992-11-12
Abstract: The deflection controller has a pair of prisms (1) mounted on a bas of electro optical material (2). The base can be in the form of a crystal of Li.Nb.O3 and is relatively thin and has a high refractive index, e.g. 2.22. The prisms are also of high refractive index material and act as input-output stages. Located between the prisms on the surface is a triangular electrode (4) that is energised to vary the refractive index of the electro optical base to adjust the beam deflection. Another electrode (3) is located underneath the base. USE/ADVANTAGE - For rapid change in deflection of laser beam to change point of focussing on surface. Provides large angle of deflection.
Patent DE-4243009-A1 (DE)
Inventor: ANDERSEN HENNING HAUGAARD
IPC: H03F3/45
Filed: 1992-12-19
Abstract: PCT No. PCT/EP93/03109 Sec. 371 Date Mar. 8, 1995 Sec. 102(e) Date Mar. 8, 1995 PCT Filed Nov. 6, 1993 PCT Pub. No. WO94/15397 PCT Pub. Date Jul. 7, 1994The invention relates to a circuit arrangement for an integrated output amplifier (1) with two constant current sources (2, 3), a voltage amplifier with two inputs (5, 6) and two outputs (7, 8) and two output transistors (Q1, Q2) coupled with these, as well as two feedback networks (9, 10) producing negative feedback which are connected between the output transistors and the corresponding input transistors of the voltage amplifier (4). The first two feedback networks (9, 10) are connected between the collectors of the output transistors (Q1, Q2) and the base electrodes of the corresponding input transistors of the voltage amplifier (4). In addition, a third feedback network (11) is connected on the input side to the base electrodes of the output transistors and on the output side to the input of a current splitting network (16) via a transistor (Q3) acting as a current sink, whereby said current splitting network has a signal input (17). The current splitting network (16) has two parallel branches (18, 19), between which the current flowing through this network can be split, whereby this is controlled by the signal present at the signal input (17), and whereby the branches (18 and 19) of the current splitting network (16) are connected on the one hand with the constant current sources (2 and 3) and on the other hand with the inputs of the voltage amplifier (4).
Patent DE-4300141-A1 (DE)
Title: Coldness and heat storing materials
IPC: C09K5/08
Filed: 1993-01-06
Abstract: Method for the prepn. and application of coldness- and heat-storing accumulations or aggregates of (in)organic, swellable, flexible, sterile, biodegradable or compostable, carbon dioxide-neutral combustible, environmentally-safe materials vacuum packed under sterile conditions in single and/or multi-layer flexible, rapidly biodegradable films and/or a single and/or multi-layer flexible and/or strike-resistant and/or break-resistant containers, is characterised by the following: (a) use of (in)organic materials that enable a complete compostation of the accumulates to be achieved; (b) cellulose diacetate and/or starch-contg. material packagings used are compostable or may be carbon dioxide-neutral combustible; (c) miscible organic materials are used as the basis for the prepn. of the compostable films and the swellable material; (d) an effect can be obtd. by addn. of natural (in)organic dyes and pigments; (e) as well as cellulose diacetate and/or starch-contg. films, other films comprising biodegradable microbiologically-prepd. synthetics (enzymes, protein which are compostable within a short period of time (2-12 months) are used as film bags and packaging material; (f) the swellable materials used are (in)organic, coldness- and/or heat carriers, bio-neutral or biodegradable or carbon dioxide-neutral combustible; (g) the aggregates may be cooled in e.g. deep freeze devices or other sources of coldness to temps. of -5 to 10 (min. -20) deg. C; (h) the aggregates are heated in a vessel contg. water at a temp. of up to 50 deg. C or a corresponding heat source, for 10-15 mins.; (i) the accumulates prepd. from (in)organic materials are treated with aleochemicals and/or other preservatives (derived from plants or animals, e.g. strawberry aroma to counter mould) to prevent premature microbial degradation; (j) the elastic, sterile, non-flowing, vacuum-drawn cold and warm aggregates are useful in the following sectors: human and vetinary medicine; cold packagings, sports dressings (here the gel is incorporated across the width of the dressing using a film packaging material), migraine glasses, heat compress; cooling agents for the transport of agricultural produce, animal prods. or market gardening produce (e.g. cut flowers, fruit and vegetables); (k) the cold and warm aggregates are prepd. from the following plants or prods. thereof, amongst others: ceratonia siliqua, cyamposis tetragonolobus, gelidiumalgen, gum arabic, opt. modified starch prods., opt. modified celluloses, accacia arabica, accacia lebbea, azadirachada indica, anogeissus latifolia, buntea frontosa, shorea robusta, amorphophallus konjac K.Koch, sorghum almum, all types of sorghum, all 3-4C- and CAM-gp. plants; and (l) polyacrylamide-crosslinked acrylamide/acrylic acid copolymers (polymerised as a potassium salt) are added to the accumulates. The prepn. of the accumulates is also claimed.
Patent DE-4316691-A1 (DE)
Title: Underwater luminaire
Inventor: CLAUSEN RUEDIGER
IPC: F21V23/04
Filed: 1993-05-14
Abstract: The invention relates to an underwater luminaire with a sealed, water-resistant housing and an electric light source which is arranged therein and which is connected with a power source to form a circuit which can be closed by means of a switch, there being arranged in the housing a plurality of light sources which can be switched individually and/or in combination with one another.
Patent DE-4317820-A1 (DE)
Title: Device for protecting passenger cars against theft
Inventor: ZAHN HANS
IPC: B60R25/042
Filed: 1993-05-28
Abstract: A device for protecting passenger cars against theft is described in which the supply of fuel to the engine in enabled by means of a code lock. While the key panel of the code lock is located within easy reach of the driver of the motor vehicle, the switching electronics, including a solenoid valve to be installed in the fuel feed line or the fuel feed pump is arranged inaccessibly directly over the fuel tank located near the rear axle so that tampering can be largely prevented. <IMAGE>
Patent DE-4323032-A1 (DE)
Title: Surfaces, sides, edges and fronts of bodies completely or partly covered with bulges alone or with bulges and teeth for reducing the resistance of gaseous and/or liquid substances
Inventor: HAUSSER FRITZ KARL
IPC: F15D1/12
Filed: 1993-07-09
Abstract: Conventional bodies are reduced by a large resistance of gaseous and/or liquid substances. The bodies, which are completely or partly covered with bulges or with bulges and teeth, reduce the resistance by the gaseous and/or liquid substances being accelerated to the outside by these bulges and teeth. Form, depth and spacing of the bulges as well as form, length, width, spacing and orientation of the teeth and which part of the body has to be covered with more or less rows of bulges alone or with bulges and teeth depends on the size, form and speed of the body.
Patent DE-4326791-A1 (DE)
Title: Chain link for a roller guide
Inventor: WINKELMANN LUDWIG
IPC: B21L9/04
Filed: 1993-08-10
Abstract: A chain link for a link chain for guiding cylindrical rollers which is produced by shearing (punching) and bending from sheet has two pairs of parallel plates (2, 4) connected to one another via a centre web (1). One plate pair each forms a recess (6, 8) for a cylindrical roller and is provided with connecting means for the articulated mounting on an adjacent chain link. The connecting means are designed either as lugs (3) projecting laterally at the plates (2) or as recesses (5) made in the plates (4), accessible from the side and corresponding to the lugs (3). According to the invention, each lug (3) is bent out of the plane of its plate (2) and has an inclined sliding surface (12) for sliding along and snapping in at the adjacent chain link. This design of chain links permits very simple chain assembly. <IMAGE>
Patent DE-4329906-A1 (DE)
Title: Compositions of the general formula Mo12PaVbX<1>cX<2>d X<3>eSbfRegShOn
Inventor: MARTIN FRIEDRICH-GEORG DR
IPC: B01J27/186
Filed: 1993-09-04
Abstract: Compositions of the general formula I Mo12PaVbX<1>cX<2>dX<3>eSbf RegShOn (I), in which the variables have the following meanings:     X<1> is potassium, rubidium and/or caesium (cesium),   X<2> is copper and/or silver,   X<3> is cerium, boron, zirconium, manganese and/or bismuth,   a is from 0.5   to 3.0,   b is from 0.65  to 1.1,   c is from 1.1   to 1.5,   d is from 0.01  to 2.0,   e is from 0     to 2.0,   f is from 0.01  to 2.0,   g is from 0     to 1.0,   h is from 0.001 to 0.5 and n is a number which is determined by the valency and amount of the elements different from oxygen in I. These compositions are suitable as catalysts for preparing methacrylic acid by catalytic gas-phase oxidation of methacrolein.
Patent DE-4337440-A1 (DE)
Title: Conversion of relative rotation of shafts into axial displacement - has ball bearing with angled tracks that generate axial displacement when parts are rotated
Inventor: PIETSCH MANFRED
IPC: F16H35/00
Filed: 1993-11-03
Abstract: A power steering unit for unit in a road vehicle system has a pair of spindles that are coupled together in such a way that relative rotational movement results in a limited axial displacement of a control element. The two rotational parts are coupled together with a bearing for support. This has ball bearings (93) located between an outer and an inner race (91,92). The balls are retained by cages (96). The ball tracks (94) are set at an angle axially such that rotation causes one part to move axially relative to the other. USE/ADVANTAGE - Simple and easy to assemble. Used in power steering applications.