baber/WOPTO huggingface dataset:
Patent DE-2031123-A1 (DE)
Title: Multi layer photo cathode - with buffer layer between carrier and phosphor
IPC: H01J29/38
Filed: 1970-06-24
Abstract: Thermal crazing and local picture distortions of a photo cathode are prevented by an intermediate thermal expansion matching and buffer layer between the esp. aluminium carrier and the phosphor esp. CsI-Na coating on which the photo cathode material is deposited. This inter layer, esp. of porous CsI, is evaporated on to the carrier in vacuo and has a thermal coeff. of expansion between those of the carrier and the main phosphor.
Patent DE-2050907-A1 (DE)
Title: Plastic bonded bearing prodn - by expanding bearing while injected plastic mass hardens
IPC: B29C70/84
Filed: 1970-10-16
Abstract: After the bearing has been placed in the housing, a mandrel is inserted to expand it either before or after the plastic mass is injected, to keep the sides of the bearing against the plastic in its circular space until it has hardened. After hardening, the mandrel is withdrawn, allowing the bearing to contract and leave the required operating free play. Method prevents the plastic sticking or protruding, which could affect the bearing performance.
Patent DE-2140739-A1 (DE)
Title: Influenza virus selective pptn - with polyethylene glycol or related polymers
IPC: A61K39/145
Filed: 1971-08-13
Abstract: Influenza virus material in an aqs. liquid is processed (esp. fractionated, purified or concentrated) by the selective solubility-inhibiting action of polyethylene glycol (PEG) of mol.wt. 3,000-20,000 in a concentration of is not >5 wt.% (based on the aqs. liquid), separation of at least one soluble fraction and one insoluble fraction from each other, and recovery of virus material from at least one of the fractions. The PEG may be wholly or partly replaced by the corresponding solubility-inhibiting amount of another linear, filamentous, uncharged polmer. The use of relatively low PEG concentrations enables vaccine products to be obtained which have a dense, coherent structure and which have a low residual PEG content. The vaccines obtained have better anti-genic properties than those obtained by conventional procedures.
Patent DE-2165462-A1 (DE)
Title: 6-(alpha-aminophenylacetamido)-and 6-(alpha-aminothienylacetamido) - -penicillanic acid derivs antibiotics
Inventor: TOBIKI HISAO
IPC: C07D499/64
Filed: 1971-12-29
Abstract: Title cpds. are of formula (I): where Z = an opt. substd., condensed aromatic, carbocyclic, or heterocyclic ring; R = H or 1-8C alkyl; X = O or S; Y = H, 1-8C alkyl, 1-8C alkanoyl, or -CO2(1-8C alkyl); and Z = Ph or thienyl. (I) are prepd. e.g., by condensing a 6-acylaminopenicillanic acid with a substd. pyridine-3-carboxylic acid.
Patent DE-2218269-A1 (DE)
Title: Electrolytically refining copper - using electrolyte contg organic nitrile, cuprous sulphate, and sulphuric acid
IPC: C25C1/12
Filed: 1972-04-12
Abstract: In a process for electrolytically refining Cu, the electrolyte is a soln. contng. water, sulphuric acid, Cu(I) sulphate, and an organic nitrile. The soln. may contain >=50% vol. water, 2-20% vol. sulphuric acid, and >=0.5 wt.% Cu(I) ions. The temp. may be 20-45 degrees C. The current density may be 0.5-3 amp./dm2. The electrolyte may be formed by stirring together Cu(II) sulphate, an equimolar proportion of finely-divided Cu, an organic nitrile, sulphuric acid, and water, until the soln. is colourless.
Patent DE-2236153-A1 (DE)
Title: Transfer adhesive for application to work-pieces - with layer of self-bonding adhesive applied as pattern on support
Inventor: SCHREIBER ALEXANDER
IPC: C09J7/10
Filed: 1972-07-22
Abstract: Transfer adhesive consists of a flat support, e.g. silicone-coated paper, carrying a layer of self-bonding adhesive in the form of a pattern of small separate areas distributed uniformly over the support, zones without adhesive being present between the adhesive areas. The support can be withdrawn cleanly from the adhesive layer, without forming a thicker edge zone in the adhesive. Can be rapidly and accurately applied to workpieces.
Patent DE-2309126-A1 (DE)
Title: Strong conductive copper alloy - also contg. aluminium, chromium, lithium, magnesium, nickel and silicon
Inventor: ROSENBERG WLADIMIR M
IPC: C22C9/06
Filed: 1973-02-23
Abstract: Cu alloy contg., by wt., 4-4.5% Ni, 0.8-1.2% Si, 0.4-0.6% Cr, 0.7-1.1% Al, 0.3-0.6% Mg, 0.005-0.04% Li, bal. Cu, is useful for current-conducting springs working up to 250 degrees C in precision mechanics, electronic and radio industry. Alloy resists corrosion and can be used in tropical climates, and combines high strength with high electrical conductivity.
Patent DE-2326442-A1 (DE)
Title: Submerged arc welding of nickel steel - using several austenitic steel electrodes arranged in series along the weld seam
Inventor: KIRCHHOFF WILHELM
IPC: B23K35/30
Filed: 1973-05-24
Abstract: Low temp. Ni steel is welded using the submerged arc welding method and >=2, pref. three austenitic steel welding electrodes of different composition, which are arranged in tandem along the seam. The second electrode contains 0.15% N and its composition is such as to increase the strength of the weld metal, to give a 20% increase in the O-1.0 limit. The composition of the three electrodes is: No. 1 and No. 3 electrode; - 0.19% C, 0.4% Si, 10.5% Mn, 17.5% Cr, 14.5% Ni, 3.5% W. No. 2 electrode; - 0.03% C, 1.0% Si, 7.5% Mn, 20.5% Cr, 15.5% Ni, 3.0% Mo, 0.15% N2.
Patent DE-2328739-A1 (DE)
Title: Multipurpose tool for cosmetics - housing with electric motor for driving nail and skin care tools
Inventor: KREPS WALTER
IPC: A45D29/05
Filed: 1973-06-06
Abstract: The long hallow housing of this tool has preferably a rectangular cross section, and accommodates a batter or mains driven electrical motor. This motor is connected by an eccentric drive to a mounting which accommodates replaceable nail file, nail polisher, skin rasp or a small nail brush. These tools are subjected to short reciprocating movements. A cover is provided for projecting tools. This apparatus facilitates and speed up nail and skin care.
Patent DE-2335662-A1 (DE)
Title: Common actuating mechanism for adjacent curtains and blinds - has motor or manually operated shaft for winding ropes
Inventor: LILIENFEIN THOMAS DIPL-ING
IPC: E06B9/322
Filed: 1973-07-13
Abstract: The actuating ropes are arranged on different parts of the shaft used for producing greater lifting height and a shorter lifting height. This arrangement is used for driving by a common shaft the blinds or curtains of different length and which are arranged side by side and which are raised to different heights. The mechanism compensates between the different height of travel. The lifting ropes in the diagram are wound around a shaft for lifting longer covers and the common shaft drives a second shaft section for lifting shorter curtains or covers. The end of the winding spindle is connected by the screw thread to the end nut. On rotating this spindle is rotated into or out of this nut when the shaft section for longer lift is driven and this compensates the lifting difference due to different rotating speeds between the two shaft sections. The spindle of the compensating arrangement has two stops which are adjustable and they adapt the assembly to suit any lifting level difference between the two separate curtains or blinds.
Patent DE-2340039-A1 (DE)
Title: Liquid, low mol wt. acrylic acid ester copolymers - useful in coatings, adhesives, sealants and plasticisers
Inventor: HARTMANN HEINRICH DIPL CHEM DR
IPC: C08F2/00
Filed: 1973-08-08
Abstract: The copolymers have mol. wt. of 1000-10000 and a gel point of 15 degrees C, and are made by polymerising at 100-160 degrees C, at least temporarily under reduced pressure and at reflux, of a mixture of (a) 55-97 wt% acrylic acid esters of 3-12C non-tertiary alkanols; (b) 3-25 wt% of >=1 (meth)acrylic acid ester contg. a OH grp.; and (c) 0-20 wt% other monoethylenically unsatd. monomers, in the presence of free radical catalysts and opt. polymerisation regulators and solvents. The resulting polymers are completely compatible with polyetherols (made e.g. by reacting epoxypropane or epoxyethane with polyols) and may be used in plasticisers, e.g. in polyacrylates and polyurethanes, and in coatings, primers, adhesives and sealants.
Patent DE-2341879-A1 (DE)
Title: Double walled combustion chamber extension - for a reverse flow combustion chamber, with the inner wall only partially holed
Inventor: LEISTRITZ HANS KARL DR
IPC: F01N3/26
Filed: 1973-08-18
Abstract: Double walled combustion chamber extension for a reverse flow combustion chamber according to main patent 2,325,895, with the inner wall only partially fitted with communicating holes. The unholed part of the inner walling has an upward flow position where the inner wall immediately adjoins the reverse flow wall. Only a part of that wall area remains plain and adjoins the downflow section of the inner walling.
Patent DE-2342539-A1 (DE)
Title: Pentane-1,2,3,4,5-pentacarboxylic acid and water-sol salts - used as complexing builders in detergents and cleansing compsns
Inventor: LORENZ PETER DIPL-CHEM DR
IPC: C11D3/00
Filed: 1973-08-23
Abstract: New pentane-1,2,3,4,5-pentacarboxylic acid (I) is prepd. by converting ethane-1,1,2-tricarboxylic acid trimethyl ester in ether quantitatively to the Na salt; reacting with trimethyl aconitate to form pentane-1,2,2,3,4,5-hexacarboxylic acid hexamethyl ester; saponifying and coverting the salt obtd. to (I) by treatment with an acid ion exchanger under CO2 dissociation. (I) and its specif. claimed penta-NA-, K-, NH4-, aliphatic 6C amine- or alkanolamine salts (I') are used as complex-formers for alkaline earth ions in cleansing and detergent compsns. for instruments, machinery, pipes, walls, floors, domestic articles and textiles, replacing P-contg. builders.
Patent DE-2344414-A1 (DE)
Title: Electric guitar with radio transmission - has wow unit, using distortion built into transmitter
Inventor: CHRIST HARALD
IPC: G10H3/00
Filed: 1973-09-03
Abstract: Wireless electric guitar with built-in wow unit can use a radio set as a performance or practice amplifier; it contains 2 transmitters, not at the same frequency, for transmission of undistorted and of distorted tones. The emission of the first passes directly to the receiver; that of the second to a receiver containing a built-in wow unit, whose output is converted to the same wavelength as the first transmitter's. The first and second transmitters can be selectively switched on, and are thus not superposed. Preferably, the wow unit does not require a distortion unit, as distortion is already provided by the transmitter. Loud tones without extraneous noises can be obtained.
Patent DE-2345650-A1 (DE)
Title: Device for discharging predetermined quantity of tooth paste - has container valve activated by pressure of tooth brush
Inventor: ZACHMANN MICHAEL CH
IPC: B65D35/40
Filed: 1973-09-11
Abstract: Device for discharging a predetermined quantity of liquid or pasty goods especially tooth paste, including a storage container with a valve activated by a pivoting lever. The valve is self closing and its lever is moved in discharging position by a guided thruster pressed against the lever by the end of paste receiving tooth brush. The front of the device is provided with a guide for guiding the tooth brush and the thruster is brought in its original position after removal of the tooth brush by a set of telescopically arranged spiral springs. The device is especially suitable for aerosol containers.
Patent DE-2349280-A1 (DE)
Title: Solvent-free photo-curable printing inks - contg. soluble resin, olefinic monomers and photo-initiator with reduced picking tendency
Inventor: BARZYNSKI HELMUT DIPL CHEM DR
IPC: C09D11/101
Filed: 1973-10-01
Abstract: In the parent specification (DT 22 51 433), a UV-curable printing ink, contg. the usual dyes, pigments, polymerisation inhibitors and/or auxiliaries, has a binder mixt. of (A) resin(s) soluble in organic solvents, (B) and unsatd. cpd. with at least 2 polymerisable olefinic bonds, (C) other ole-finicially unsatd. comonomer(s) which can polymerise with (B) and (D) photoinitiator(s); the (B) mol. contains at least 2 gps. of the formula CH2=CR-CO-NH (in which R is H or Me); the binder contains 30-75 (wt.)% (A), 5-55% (B), 5-50% (C) and 1-35% (D); and (C) and (D) have a b.pt. >180 degrees C (at normal pressure). In the new ink, the binder comprises 5-30, pref. 10-25% (A), 30-80, pref. 35-65% (B), 5-50, pref. 10-30% (C) and 1-35, pref. 6-20% (D). The ink gives better results in high speed (letterpress) printing than the ink with a higher resin content. In particular, there is a considerable redn. in the picking tendency.
Patent DE-2352755-A1 (DE)
Title: Small cylindrical boxes made from plastics tube - by distributor supplying two rim-forming machines alternately from tube producer
Inventor: SCHMIDT MAX
IPC: B31B50/92
Filed: 1973-10-20
Abstract: An appts. for making cylindrical packaging containers from plastics, e.g., small boxes or the like, comprises a receiving table at the discharge end of the tube drawing machine; this table is designed to receive tubes of varying length; the tubes are discharged from the table alternately to one side and the other down inclined ramps, each leading to a rim-forming machine; the tubes are directed to the alternate sides by a sliding plate, pref. operated by a pneumatic cylinder, triggered by a micro-switch. The ramps are pref. designed so that they can be adjusted in width according to the length of tube discharged; the level of the table is adjustable to suit different tube dias. By feeding alternately to left and right to two rim-forming machines, the complete output rate can be kept in synchronism with the high output rate of a tube drawing machine.
Patent DE-2403052-A1 (DE)
Title: Burglar alarm using infra-red beam - trips an alarm when radiation conditions between an optical sender and receiver change
Inventor: KILIAN ERNST-A
IPC: G01S17/04
Filed: 1974-01-23
Abstract: The burglar alarm comprises a pulsed infra-red transmitter with directed radiation beam and an i.r. receiver keyed synchronously with the transmitter, with adjustable output signal amplitude. They are combined into one unit. An alarm signal is tripped when reflection conditions fixed by the receiver adjustment, are changed. The receiver output signal voltage is compared with an adjustable reference voltage derived from the transmitter, in a comparator keyed by the pulse frequency. The reference receiver is placed in the path of the i.r. sender radiation; the comparator consists of two differential amplifier stages. Receiver output signal voltage is applied to their first inputs and the adjustable reference voltage is applied in parallel to their second inputs, while the sender keying voltage is applied to their output.
Patent DE-2403817-A1 (DE)
Title: Asynchronous motors speed matching method - uses hydrostatic governor and superpositioning gearing
Inventor: HENKEL EGON DIPL ING DR
IPC: H02P5/753
Filed: 1974-01-26
Abstract: Method for adjusting i.e. matching the speeds in r.p.m. of several asynchronous motors that drives, in particular, a mining machine, as in P23 03250, and where each drive unit is associated with a hydrostatic governor. In addition, the asynchronous motors of each drive unit are now connected in non-positive drive, via a superpositioning gear, by means of which one outgoing shaft is connected to the operating machine and another outgoing shaft is connected to a hydrostatic governor. An equal load sharing is given even when the asynchronous motors have different characteristics. The intermediate shafts and governors protect the motors against sudden loading from the operating machine.
Patent DE-2406899-A1 (DE)
Title: Resistance pressure pickup for high temperatures - has insulating elements in metal sleeves, fixed with high temp. cement
Inventor: BROSA ERICH
IPC: G01L9/00
Filed: 1974-02-14
Abstract: As in 19 36 887 and 23 47 409, holder, insulating elements in their metal sleeves, and connecting wires from an exchangeable unit, which, after measurement wires are in position, is put on the main body. The prepared complete resistance measurement system is mounted at the lower shaft end of a pressure pickup, directly behind the diaphragm in the hot zone. Total bias voltage of all four resistance windings in uniformly controlled by a central screw. Any asymmetrical construction is thereby avoided and a regular transmission of heat to the wires is achieved. The two working resistors and the two compensating resistors of the bridge circuit are crosses over to form the smallest possible diameter.
Patent DE-2411951-A1 (DE)
Title: Length adjustable scaffolding plank - comprises two telescopically engaged parts having meshing transverse beams to lock plank
Inventor: KUEMMERLIN WALTER
IPC: E04G1/15
Filed: 1974-03-13
Abstract: The longitudinal beams of one part are guided between the longitudinal beams of the other part, and the length of the transverse beams on top of the outer lying longitudinal beams equals the width of the plank, whereas those on top of the inner lying longitudinal beams are somewhat smaller in length than the open spacing of the outer lying longitudinal beams. A fastening device secures the inner lying longitudinal beams in the use condition such that the respective transverse beams of both parts over the inner and outer lying longitudinal beams, respectively, mesh with each other in the manner that the upper surfaces of the transverse beams lie substantially in the same plane.
Patent DE-2413063-A1 (DE)
Title: Thermosetting copolymer sheets for veneering wood panels - by castiiting copolymer soln in two layers on support sheet
Inventor: FOCK JUERGEN DR
IPC: C08J7/04
Filed: 1974-03-19
Abstract: Thermosetting copolymer sheets for applications to the surfaces of panels or laminates based on wood materials are produced by (a) casting a soln. of a thermosetting copolymer onto a support sheet, (b) evaporating the solvent, (c) curing the formed film, (d) casting a further amt. of the copolymer soln. onto the fibre, (e) evaporating the solvent without any considerable crosslinking of th copolymer of th second layer, and (f) removing the support sheet, either immediately, or before the use of the sheet. The sheets give panels/laminates having a surface with a high resistance to weather and chemicals, and a high strength. Bond strongly to the substrate.
Patent DE-2419099-A1 (DE)
Title: Solar energy recovery system - for heating or cooling greenhouses, in which sealing problems are reduced
Inventor: MUELLER WILHELM
IPC: F28D20/00
Filed: 1974-04-20
Abstract: Solar energy recovery system comprises a liquid which trickles over a liquid-impermeable layer, through a wetting layer which may also be light-absorbent, and under a light-transmitting layer, and then forms heating zones in a tank in which may be provided a second tank for return of heated liquid. The liquid may also have wetting and/or light-absorbing properties, while the liquid-impermeable layer may have static properties. The system is airtight and/or provides laminar flow, to obtain freedom from bubbles, and is anchored to a substrate by a magnet armature.
Patent DE-2430895-A1 (DE)
Title: Protective plaster-based body screen for medicinal radiation - comprises sheath contg radiation absorbent filling and thermosetting resin
Inventor: FLAUGNATTI RICHARD BRUNO
IPC: G21F3/02
Filed: 1974-06-27
Abstract: A protective screen based on plaster, to be used in a zone to be exposed to medicinal radiation, and for application (in)directly to the patient's skin, is formed by a flexible thick sheath with two parallel walls, having a large surface area relatively to that of the side wall connecting them. It contains a thermosetting resin and a filling, mixed uniformly into the resin, of a substance which absorbs at least one band of the medicinal rays, and has further between the two parallel walls a longish body of solid matter, transparent to radiation, with two parallel end faces, one of which is securely bonded to the sheath. Means are also provided for introducing a hardener for the resin into the sheath. Use of the screen dispenses with the unpleasant and difficult task of applying a uniform layer of plaster on the patients body. Pref. the sheath is of a synthetic such as polyamide or an elastomeric and is packed with an epoxy, polyester or phenol thermosetting resin, and a filling of radiation absorbent particles.
Patent DE-2451196-A1 (DE)
Title: Device for safely transferring liquid samples - having flexible tube with coupling piece for connecting to standardised nozzle
Inventor: HAMPEL HEINZ
IPC: B01L3/00
Filed: 1974-10-28
Abstract: Security device for the safe transfer or distribution of liquid samples that are to be investigated, e.g. blood samples for medical testing, or milk samples for bacteriological testing, has a tube provided on at least one end with a hollow coupling piece for connecting to a standardised nozzle for fastening to injection needles. Entirely safe transfer or distribution of liquid amples over any desired distance without contamination by external materials. The device is simple in construction, and easy to use and maintain. Sterile liquids remain steril after transfer.
Patent DE-2454923-A1 (DE)
Title: Twin link section furniture hinge - has tension element to mount link section to static article wall with revolving locking system
Inventor: ZERNIG ERNST
IPC: E05D5/08
Filed: 1974-11-20
Abstract: A furniture hinge has two link sections, of which one can be attached to an element static on the item of furniture side wall, the other of which is attached to the door of the item of furniture. The mounting of at least one link section on the appropriate furniture section is accomplished by means of a tension element mounted in a revolving manner in a housing. This element has a tension surface having a variable separation from the axis of rotation and operating in conjunction with a bolt or similar device attached to the link piece. Rotation of the tensioning element results in locking of the bolt into it.
Patent DE-2458725-A1 (DE)
Title: Cardboard carton closure device - made from plastic with base plate, guide plate and two holding plates
Inventor: OKUDA SEIZI
IPC: B65D5/42
Filed: 1974-12-12
Abstract: Plastic closure device for a cardboard carton containing a slide base plate, a guide plate extending from the lower central area of the base plate and first and second holding plates extending in opposite direction from the lower end or centre are of the guide plate parallel to the base plate. The guide plate is inserted into one of the slots each of which has the required length and is located at the edge area of the main cover section along the end edge of the additional cover section. The guide plate slides into the other slot after closing of the remaining cover section with the edges of both main cover sections and one additional cover section being inserted between the base plate and the first holding plate. The edges of both main cover sections are then inserted between the base plate and the second holding plate so that both main and additional cover sections are closed in such a way that they can be opened again.
Patent DE-2459923-A1 (DE)
Title: Three-phase machine speed control - uses trapezoidal time course of phase currents derived from sine oscillation
Inventor: TIMPE WOLFGANG DIPL ING
IPC: H02P27/02
Filed: 1974-12-18
Abstract: The speed control is intended for a machine with return to neutral, whose windings are supplied with phase currents through invertors so that a harmonic is superposed on the sinusoidal fundamental oscillation, and one phase current in its central part of a half-wave is reduced to a specified maximum value, and at the same time the two othe phase currents are increased at the half-wave edges by a specified value, as in 2345035. The phase currents have a trapezoidal shape derived from a sinusoidal oscillation whose amplitude is limited to a specified value. The sinusoidal magnitudes with constant amplitude are feed to limiting stages (26R, 26S, 26T) and to multipliers (27R, 275, 27T). A direct magnitude is supplied to the multipliers in order to affect the peak values of the phase current rated values.