baber/WOPTO huggingface dataset:
Patent DE-2335212-A1 (DE)
Title: Substd aluminium alcoholates - and adducts with resins pigments,drying oils and fillers,in coating composns
Inventor: TURNER JOHN HARRY WALLICE
IPC: C08G63/91
Filed: 1973-03-27
Abstract: Title cpd. has formula (RO)xALAB(2-x) (I), where R is 1-6C alkyl, aryl or cycloalkyl, A and B, which may be the same or different, are gps. is not 1 of which has a greater steric hindrance effect than RO, and x = 0, 1 or 2. The reaction prods. of I and a cpd. X which can react with a labile substit. of I are claimed; X may be, e.g. a natural or synthetic resin, a gum lac, a pigment, a drying oil or a filler. Such reaction prods. are coating compsns., e.g. for water-proofing cellulosic materials and protecting them against mould, for protecting surfaces, e.g. ships' hulls, against corrosion by sea water and microbial attack. The reaction prods. are also used in printing inks. Addn. of the reaction prods. to rubber, to increase modulus of elassticity, tensile strength, resilience and resistance to wear, is claimed. Mixts. of the Al cpds. and pigments of fillers may be used to render porous surfaces impermeable, e.g. wood, chipboard and asbestos cement. The coatings may also be used in marking roads, giving resistance to sweating on tar and asphalt surfaces and good mechanical props. The Al cpds. may also be used in foundry work, as binders for moulding cores and in shell moulding. compsns. contg. the Al cpds. dry rapidly and have improved hardness, water-resistance and dimensional stability.
Patent DE-2351661-A1 (DE)
Title: Recovery of silver oxide and catalyst carrier - from spent silver catalysts used for mfr. of ethylene oxide
Inventor: BRAUKMANN WILLI
IPC: C07D301/10
Filed: 1973-10-15
Abstract: The initial silver catalyst is made by treating an alumina carrier with a suspension of silver oxide in an aq. soln. of an Ag salt of an organic acid, where the mole ratio of the Ag in the oxide to the Ag in the water-soluble salt is 0.5-1.8:1, and is then used in the direct oxidn. of ethylene by O2 or gases contg. O2. Recovery of the silver oxide is effected by treating the spent catalyst with dil. HNO3 followed by washing the carrier with water until it is acid-free, after which the carrier is dried. The dil. HNO3 is combined with the wash-water and alkali added to ppte. the silver oxide which is washed and sepd. The nitrogen gases liberated during the HMO3 treatment are pref. passed through a washer, and the acid water obtd. used to neutralise the alkaline wash-water arising from the silver oxide to pptn. Both the catalyst carrier and the silver are recovered and both can be re-used.
Patent DE-2354269-A1 (DE)
Title: Membrane filter housing with groove-and-tongue joint - assisted by annular step on mating faces of halves
Inventor: WEPPLER HEINRICH
IPC: B01D35/02
Filed: 1973-10-30
Abstract: A membrane filter has a plastics housing consisting of two halves which are pushed together by a groove-and-tongue joint at the mating faces, which have slightly differing tapers to improve the power of adhesion. The mating faces have a peripheral annular step between the peripheral tongue and the peripheral groove. The half with the peripheral groove is given the male part, and the half with the peripheral tongue the female part of the annular step. This combines a mechanical and sealed plug-in joint of the two filter housing halves with a secure support and clamping action for the filter cloth.
Patent DE-2360810-A1 (DE)
Title: Tubeless tyre for flat wheel rim - with overlapping sidewalls and extra securing hoops either side of bolted centre flange
Inventor: TIEMANN REINHARD DIPL ING
IPC: B60C15/02
Filed: 1973-12-06
Abstract: The wheel rim has a simple, flat profile for easy, economic manufacture while the tyre has a simple sidewall on one side, with a simple fitting rim and a long sidewall on the other side which extends to lie flat across the wheel rim, with its fitting rim overlapping the fitting rim of the shorter sidewall. The second fitting rim is thus secured on the inside of the shorter sidewall, with its diameter the same as the fitting rim of the shorter wall. A second fitting rim is provided in the longer wall, to rest against the other side of the wheel rim while the tyre is prevented from sliding laterally off the rim by removable segmented inserts which form a securing ridge. The tyre can be easily fitted and is safer if punctured at speed.
Patent DE-2362284-A1 (DE)
Title: Formation of carbide layer on steel surfaces - using fused salt bath contg. metal halide and metal, at low temp
Inventor: ENGHAG PER
IPC: C23C10/24
Filed: 1973-12-14
Abstract: Steel contg. over 0.09 wt% C is provided with a metal carbide coating by treating in a fused salt bath such as NaCl and/or KCl, which contains a metal halide and a metal in powder form, the metal corresp to the metal of the halide, pref. the halide is a chloride and the powdered metal is chosen from Cr, V, Mo, W, Ti, Nb and Ta, and the treatment is carried out at a temp of >750 degrees C, pref. 850-1050 degrees C.
Patent DE-2363118-A1 (DE)
Title: Fuel containers with wall of two plastics - by spraying powdered plastic onto plasticised preform of other plastic
Inventor: SAMOL GERD W
IPC: B29C49/02
Filed: 1973-12-19
Abstract: Parent patent describes containers, esp. fuel containers with a vol. of 10-601, with a wall consisting of at least two layers of thermoplastic material, esp. polyethylene and a polyamide, which are produced by (a) heating a layer of one material in a mould, and nb) electrostatically applying the other material in powder form onto the heated layer, so that the second material melts, and forms a thin closed layer on the first layer by use of blow moulding. In this addition the preform is placed in a plastic state in an unheated mould, and a powdered thermoplastic or thermosetting material is blown simultaneously into the preform with air blown from a mandrel in the form of an electrostatic spray gun. Enables containers with a wall thickness of more than 4mm to be produced using the heat of the first layer for melting the second layer, additional heating being unnecessary.
Patent DE-2409379-A1 (DE)
Title: Difluoropyridines prepd from diaminopyridines - by diazotisation in presence of hydrogen fluoride, useful as herbicides
Inventor: BOUDAKIAN MAX M
IPC: C07D213/77
Filed: 1974-02-27
Abstract: Difluoropyridines are prepd. from the corresp. diaminopyridines of formula (I).
Patent DE-2411183-A1 (DE)
Title: Axially-magnetised disc-shaped motor for inside wheel - has flat rotor with armature -windings slots between magnetic sectors
Inventor: UHTA-KOIVISTO ESKO ENSIO DIPL
IPC: H02K1/26
Filed: 1974-03-08
Abstract: The axially-magnetised electric motor has a rotor consisting of sectors of magnetic material with slots between adjacent sectors for the armature winding. The slots interrup the stray flux across the sectors. the rotor is cast in one piece to give the necessary mechanical ridigity. The armature winding conductors are laid in-line in the slots to increase thermal conduction away from the sectors thereby allowing higher current densitities. The motor has two parallel-coupled commutators on its shaft, is disc-shaped and is light in weight to allow it to be built into the inside of a wheel.
Patent DE-2422683-A1 (DE)
Title: Alkylating hydrocarbons, esp. isoparaffins with olefins - using acid and sulphonamide catalyst, giving high yields of gasoline components
Inventor: MCCOY FREDERIC CHARLES
IPC: C07C1/00
Filed: 1974-05-10
Abstract: A hydrocarbon is alkylated by means of an olefin, in the liquid phase, in presence of a strongly acid liquid catalyst and 0.0005-0.5 (0.001-0.2) wt. %, based on the catalyst, of a catalytic auxiliary of formula (I): (where R' is an alkyl, aryl or alkaryl radical, pref. 1-7C, esp. CH, phenyl (pref.) or tolyl; and R2 is 8-30C (10-18C) alkyl, esp. octadecyl). Formation of 1:1 addn. prods. of isoparaffins and olefins, and of highly branched alkylation prods., is favoured, and prodn. of olefin polymers and cracking prods. is reduced, resulting in smaller consumption of acid catalyst.
Patent DE-2425524-A1 (DE)
Title: Concrete-reinforcing seven-strand wire and clamp connection - with softer clamp contact surfaces and harder intervening granulated material
IPC: E04C5/12
Filed: 1974-05-27
Abstract: The process is designed for friction and shear connection between highly tensile stress resistant reinforcing wires, esp. of the seven-stranded type, used in reinforced concrete, and the contact surfaces on clamp units which accommodate these. In the contact surfaces a material with less surface hardness than that of the wire surfaces is used, while the granulated material, such as boron carbide, interposed between the wires and the contact surfaces, comprises granules which are harder, pref. with a grain size of 50-250 microns. Adhesive substances may be used to secure the granulated material on the contact surfaces, enclosing the grains only on the side facing these surfaces, and pref. made of plastic. Connection is inexpensive and compact , without involving any risk of premature anchorage failure.
Patent DE-2427512-A1 (DE)
Title: Metal watch strap with connecting hinge pins - comprises cast sections with grooves fitting together to form connecting bore
IPC: A44C5/10
Filed: 1974-06-07
Abstract: The mulit-linked watch strap comprises several adjacent rows of links (9, 10) which are arranged off-set relative to each other and are connected transversely by hinge pins. The links (9) themselves are formed in two sections (9a, 9b) and each section has two grooves (13a, 13b, 14a, 14b) which have a semi-circular cross-section and run transversely to the length of the strip. These grooves extend from the common dividing plane of the two sections so that when the sections are assembled each two grooves form a bore for the hinge pins (5). The individual sections can be made of a cast material and then welded together along the facing edges (11) which is much more economical method of manufacture.
Patent DE-2429484-A1 (DE)
Title: Vacuum cct. breaker contact system - has abutting surfaces of contacts with two parallel slots in mutually angular offset
Inventor: BISCHOFF LOTHAR
IPC: H01H33/664
Filed: 1974-06-20
Abstract: The vacuum circuit breaker contact system has slotted contacts whose centre contact abutting surface (6) is surrounded by a light arc surface. Each abutting surface of the contacts (2, 22) is provided with two parallel slots (10, 12 31, 32). The slots on one contact are offsett by a given angle against the parallel slots of the other contact. The slots (10, 12) enclose with the axial projection of the other slots (30, 32), a surface portion of the contacts which is in the form of a depression (14). If the depression is circular its diameter is greater than the distance (a) between the slots (10, 12) on the first contact surface. Preferably, the current leads diameter does not exceed the diameter of the depression.
Patent DE-2441331-A1 (DE)
Title: Servo gear selector control for synchronised clutch - with fail-safe bypass to prevent gear change unless clutch disengaged
Inventor: WEDLICH WOLFGANG DIPL ING
IPC: B60K23/02
Filed: 1974-08-29
Abstract: The gear change servo has a bypass valve connected between the reservoir and the servo with the bypass valve monitoring the position of the clutch so that it is open so long as the clutch is disengaged. The valve also operates as a control valve for the servo by following the action of the clutch slave servo. The system acts as a fail safe layout in that the gear change occurs only with the clutch fully disengaged. This protects the synchronising rings. The gear change control is operated by the clutch slave cylinder, and opposes it so that slave cylinder movement unblocks the gearchange.
Patent DE-2444982-A1 (DE)
Title: Tank closure cap platform joint - has larger diameter ring convolution pressing plate edge over small ring convolution
IPC: F16K17/19
Filed: 1974-09-20
Abstract: Platform joint whose seat plate (6) has a centrally inserted valve rod plate (10, and on whose periphery is a divided ring convolution (10') whose diameter is somewhat larger than the counteracting ring convolution (10'), with its inner circumference of larger diameter, presses the periphery of the sealing plate (6) over the ring convolution (2') of somewhat smaller circumference. Vent holes (7) are provided to take the valve rod parts (9) in the dividing wall (2), and are hollow cylindrical in form. The joint finds application in closure covers, such as in vehicle radiators, and in fuel tanks.
Patent DE-2445719-A1 (DE)
Title: Electrical heating of surfaces - using heating elements mounted in profile sections embedded in insulating mouldings
Inventor: BECK HEINZ VON DER
IPC: E01C11/26
Filed: 1974-09-25
Abstract: A device for the heating of surfaces by means of an electrical heating system has heating rods, partic. of the resistance heating type attached in an easily replaceable manner to an open or closed hollow profile which has good heat conducting properties. The hollow profile is then mounted in same conventional fashion into a moulding of poor heat conducting characteristics and the mouldings are mounted to the surface to be heated such that the profile sections are nearest the surface to be heated. The surface can then be supplied by rows of heating elements which are electrically coupled at one or both ends in single or double strands.
Patent DE-2446357-A1 (DE)
Title: Boiler for high pressure steam - has wall between furnace and flue built upfrom tubes
Inventor: WEHAGE KARL DR
IPC: F22B21/00
Filed: 1974-09-27
Abstract: The boiler arrangement consists of a boiler space with furnace and a flue for extraction of smoke. The outer walls of the boiler space are built up from tubes through which the evaporating water flows. a separating wall is built between the furnace and the flue which is also built up from tubes. This separating wall is built as a radiation over-heater. This over-heater is welded to a distributor pipe of the bottom tube wall of the boiler space and is so arranged that it can slide on the side wall of the boiler space. Alternatively, the sides of the over-heater tubular wall are welded to the outer tube walls resp. to the distributor of the bottom tube wall.
Patent DE-2446929-A1 (DE)
Title: Spark plug electrode alloys - carbonising contaminants prevented from depositing so lengthening service life
Inventor: FRANKS HARRY E
IPC: H01T13/32
Filed: 1974-10-01
Abstract: Spark plug contains a fixing device and a first and a 2nd electrode attached to fixing device and separated from one another by a gap acting as spark gap. Electrodes each consist of alloys contg. 60-99.9% W, V, impoverished U (i.e. contg. 0.23% U-235), Rh, Ir or Pd and 0.1-40% Cr, Cu, Ba aluminate, Fe, Th oxide and/or Ni. Good results are also achieved with an electrode consisting of 60-99.9% Ni and 0.1-40% Cu, Ba aluminate, Fe, Th oxide and/or Cr. One electrode is pref. a cathode and the other an anode. Cathode pref. consists of an alloy contg. 0.1-40% Ba aluminate and anode of an alloy contg. 0.1-40% Cr, Cu and/or Ni. Service life is lengthened by reducing spark erosion and preventing deposition of Pb, Pb oxide and other carbonising contaminants on electrodes during operation.
Patent DE-2448356-A1 (DE)
Title: Flat workpieces laminating press - infeed conveyor in line with press conveyor and both controlled by clutches ensure continuous transport
Inventor: WEMHOENER HEINRICH
IPC: B27D3/00
Filed: 1974-10-10
Abstract: Although the press itself operates intermittently, the handling of the parts with the coated layer is continuous. The press features a stationary table platen (3) and a hydraulically actuated top platen (4), both platen subject to heating for the lamination process. The pre-coated workpieces (5/6) are fed into and out of the press by belt conveyor (7) driven by a high-speed motor while the infeed conveyor (9) transports the workpieces to the press. Conveyor (9) is made up of series-mounted belt conveyors linked by clutches and the drive is provided by a stepless adjustable motor, the operation controlled by switches (18-29).
Patent DE-2451241-A1 (DE)
Title: Grass-cutting tool for pulling or pushing - has replaceable blades fixed by plates and shaft
Inventor: HETTMANNSPERGER HERMANN
IPC: A01D34/84
Filed: 1974-10-29
Abstract: The separate teeth of the grass-cutter are V-shaped, in cross-section, and the sides of adjacent teeth slope alternately up and down. The tips of the teeth can be slightly curved, either towards the ground, or to the centre plane between the adjacent teeth. Slide-pieces are situated on the teeth with underneath-pointing sides. The slide-pieces can be sickle-shaped discs, or be of bent wire, and are welded to the teeth or can be removed. An insertion sleeve is fixed to each tooth which has an insertion cavity. The grass stalks are cut diagonally so that blocking of the spaces between teeth is avoided.
Patent DE-2451715-A1 (DE)
Title: Low noise level valve for shower head fitment - has end of valve body protruding from housing attached to spray head and water supply pipe
IPC: F16K47/02
Filed: 1974-10-31
Abstract: The end of the valve body (2) which protrudes from the valve housing (1) is attached to a spray head and connected to a water input supply pipe through the valve housing (1). The valve body is carried into the valve housing in a non-rotatable manner and is provided with an extension thread on that portion which protrudes out of the housing. This enables relative adjustment to be made to the valve seating, an associated rotatable coupling nut being provided on the valve housing itself. This nut has a radially directed curved operating finger. The exact position of the valve body at any particular setting may be given by a contrasting band of colour which is provided on the protruding end of the valve body.
Patent DE-2509272-A1 (DE)
Title: Stretched-material framed ceiling or wall cladding panel - has displaceable clamping battens retaining edges of material, countering backward thrust
Inventor: GRUPP ROLAND
IPC: B44C7/02
Filed: 1975-03-04
Abstract: The panel-shaped element, used for cladding ceilings or walls incorporates a frame with material stretched across it, and usually a panel of sound-absorbing material mounted behind this. The stretched material serves both for decorative effect and additional sound absorption. A number of clamping battens (12) firmly retain the edges (13) of the length of material (13) drawn over the peripheral edge (115) of the frame (11). These are displaceable relative to the frame, vertically to the plane of the frame and can be fixed in place, to counter backward pushing movement, in an end position stretching the length of material. The battens may be interconnected to form a clamping frame. Clamping and stretching action is reliably maintained for a long period.
Patent DE-2515218-A1 (DE)
Title: Timing switch with temp dependent switching - uses automatic variation of switching signals at preset time points
Inventor: SCHNEIDER ERNST
IPC: G04C23/36
Filed: 1975-04-08
Abstract: The timing switch has switching points changing automatically and infinitely variably according to the ambient temperature. Thus the emitted switching signals are adjusted in their time relation to the adjusted time points automatically and infinitely variably. The timing dial of the switch carries an actuating element, such as a rod-shaped magnet which controls a sealed reed switch, mounted externally of the disc. The sealed reed switch position in relation to the disc determines the timing points for ON and OFF switching. The sealed reed switch is suspended from a bimetal structure so that its position is affected by the ambient temperature. The system is particularly suitable for heating control application.
Patent DE-2515286-A1 (DE)
Title: Dry compaction press for plate manufacture - has multi-component dies with internal designs incorporating plate foot
Inventor: SCHLEGEL WALTER DIPL ING
IPC: B28B7/00
Filed: 1975-04-08
Abstract: The press for dry compacting of plates with a rigid lower die, has the upper die subdivided into an annular die (5) mounted on the matrix jacket (2) and a movable middle die (11) divided at a point (9) which lies at the mid-point, pref. outside of the foot section (18) which will be formed onto the plate (17). The stamping stencil is so contoured that it distributes the filler material into the appropriate regions of the die. The middle die (11) has an annular rill (13) on its pressing surface, directly attached to its outer wall which is used to form the plate foot (18) in the finished item.
Patent DE-2515551-A1 (DE)
Title: Reversing gear for printing head carriage - has carriage coupled to output shaft of gear in matrix printer
Inventor: HENRISCHK WOLFGANG DIPL ING
IPC: F16H3/02
Filed: 1975-04-09
Abstract: A matrix printer wiht a movable printing carriage has an output shaft to which the carriage is selectively coupled via two electromagnetic friction clutches having adjustable air gaps to two transmission branches. Two driving shaft are arranged with their axes parallel to one another and are mounted in the transmission housing so that they can be displaced longitudinally. Two intersecting gear wheels of the same diameter turn on the driving shafts, but cannot move axially relative to these, whereby one gear is rigid connected to a power take-off bevel gear.
Patent DE-2516487-A1 (DE)
Title: Copying device illumination window - surface nearest copying material has roughened surface texture
Inventor: MOSER KURT
IPC: G03B27/58
Filed: 1975-04-15
Abstract: An illuminating window for use in a copying device, which is manufactured from glass, having a guide track and transport gap for the copying material it is required to illuminate, has the surface of the illuminating window, which has the copying material passing across it, finished in a roughened manner. This surface finish may be applied to the illuminating window glass by means of an etching process or by means of a sand or grit blasting process.
Patent DE-2517093-A1 (DE)
Title: Cover for flush-mounted sockets for electrical components - comprises a flexible, reinforced thermoplastics core and a soft, leather-like thermo-plastics, coating
Inventor: JAEGER REINHARD
IPC: H02G3/12
Filed: 1975-04-18
Abstract: A cover for electrical sockets, esp. so called flush-mounted (i.e. installed in a wall flush with the surface of same) sockets, adapted to receive electrical installation components such as switch insets, plug-in sockets insets etc. is built-up of 2 materials, viz. a relatively strong core of flexible, e.g. glass-fibre-reinforced, thermoplastics and a coating of soft thermoplastics e.g. plasticised PVC having the 'hand' and decorative surface of a leather coating. Both materials are firmly combined together by means of part of the coating penetrating into openings in the core. Easy, direct combination of essentially dissimilar materials, without recourse to complicated mechanical links can be effected and mfr. may be automated.
Patent DE-2518025-A1 (DE)
Title: Agricultural water sprinkler running on wheels - incorporates water pipe on which forms sleeve-section together with water discharge unit and towed weight with downward pointing arm
Inventor: COURTRIGHT BURR
IPC: A01G25/09
Filed: 1975-04-23
Abstract: Two wheels (13, 14) are wedged onto the main pipe (10, 11) of the pipe (12) joining them. The pipe sections, (10, 11) of the main pipe each have a fixture-flange (15, 16 each with screw nuts (17) and holes (18) for fixing the coupling unit in the centre between the two pipe-sections. The coupling unit consists of a flanged pipe and sleeve. The flanged pipe has a series of outlets in for the water to pass through out of the pipe, (10, 11) into the outer sleeve-part which has annular rims on as seatings for sealing-rings. A nipple attached to the sleeve-section takes a pipe (5) with spray nozzle on. The underneath side of the sleeve-section has a nipple threaded at the bottom and screwed into a coupling-sleeve (39). The internal thread of the sleeve (39) takes a valve (43). An attachment has a long arm (45) to the bottom of which is fixed a counter-weight (47) which slides along the ground.