baber/WOPTO huggingface dataset:
Patent DE-2230334-A1 (DE)
Title: Watch dials - from coloured, crystallised glass
Inventor: SIMON-VERMOT ANDRE
IPC: G04B19/12
Filed: 1972-06-21
Abstract: Watch dials are produced from a glass compsn. contg. >=1 lattice-forming oxide, >=1 devitrification agent and >=1 coloured oxide. The compsn. is fused and moulded. The formed dials are slowly cooled to a temp. below the glass stabilisation point, heated again to a temp. above this point (whereby crystallisation nuclei are formed) and subjected to a thermal treatment promoting the crystal growth, and slowly cooled to avoid breakage by thermal shock. Tough, breakage-resistant watch dials are produced; they can be flame-treated or polished with diamonds.
Patent DE-2256788-A1 (DE)
Title: Doping of surfaces - the material contg. them being applied in a layer of defined thickness
Inventor: STUERMER WILHELM DIPL CHEM PRO
IPC: H01L23/29
Filed: 1972-11-20
Abstract: The foreign atoms are introduced by covering the surface e.g. Si, Ge with a material which contains the atoms e.g. In, B, and following diffusion of the atoms into the surface. The process is used for the doping of semi-conductor surfaces, hardening glass fibre surfaces or prepn of integrated optics. A defined quantity of foreign atoms is introduced into the surface.
Patent DE-2303481-A1 (DE)
Title: Glass fibre reinforced thermoplastics laminate prodn. - by heating above softening pt. and cooling under compression
Inventor: WELZ MARTIN DIPL ING
IPC: B29C44/12
Filed: 1973-01-25
Abstract: The sandwich is heated to a point above the m. pt. of the cladding and then pressed together while cooling. The cladding is selected from polyethylene, polypropylene, polystyrene or copolymers of styrene with acrylonitrile or maleic acid anhydride or methyl methacrylate, PVC, PVdC, polyamide, polycarbonate, polymethyl methacrylate reinforced with glass fibres, asbestos, carbon fibres and natural and/or synthetic fibres. The foam core is of polyurethane, urea - formaldehyde resin or phenol - formaldehyde resin. Provides a single - stage process for developing a sandwich laminate for boat or vehicle shells, giving a curved moulding, without adhesives.
Patent DE-2304992-A1 (DE)
Title: Sand core loosener - employing pressurisable diaphragm to loosen core without damage to core or core-moulding box
Inventor: HOFSTETTER HANS-ULRICH
IPC: B22C7/06
Filed: 1973-02-01
Abstract: Pressure-actuated device for loosening fragile shaped bodies, esp., sand cores from core boxes, has an expandable member, pref. a flexible rubber diaphragm, at the base of the box. This constitutes a pressure area to which a pressure medium, e.g., compressed air, can be fed through a supply line to raise the diaphragm and loosen the core.
Patent DE-2331465-A1 (DE)
Title: Contact mat for electrically actuated doors - consists of two elastic plates with strip contacts on inner sides on dielectric material
Inventor: KOTHE KLAUS
IPC: H01H3/14
Filed: 1973-06-20
Abstract: The contacts are in the form of individual contact strips arranged on upstanding ribs of non-conductive material. The upper surface of the mat has alround edges extending box-like over the outer edges of the lower part. The edges of the lower and upper parts may have a circumferential groove engaged by a bead. The engaging edges of the lower and upper parts may be slightly conical. Elastic spacers, forming re-setting elements may be inserted between the contact strips. The ribs carrying the contact strips may be formed in one piece with the lower and upper part of the mat. The contact strip may be formed by copper-plating of the ribs, and may be electrically interconnected.
Patent DE-2342467-A1 (DE)
Title: Gas cooled nuclear reactor fuel element - using porous nuclear fuel filling of spaced vertical selected channels
Inventor: GRATTON CHARLES PETER
IPC: G21C3/32
Filed: 1973-08-22
Abstract: A large number of uniformly spaced vertical tubes is clamped between top and bottom perforated plates within an outer envelope to form the major assembly used as each element and so defining two discrete sets of coolant gas flow channels, namely the bases of the tubes proper and the interstitial spaces between them. Uniform grain size particulate fuel material, in separate layers, is stacked in one or other set of channels and remains porous to the coolant gas flow. Esp. the fuel is in the interstices and the walls of the tubes are roughened inside to increase heat transfer. This is rapid and allows high temp. operation without thermal runaway.
Patent DE-2346675-A1 (DE)
Title: Cloth covered animal toy - made from square covering cloth subdivided into upper and lower sections
IPC: A63H3/04
Filed: 1973-09-17
Abstract: The cloth covered animal toy has a cloth covering formed from a square cloth which has been cut into its uper section horizontally from it's right and left sides with a central section remaining without cuts in order to form cut outs and to subdivide the cloth itself into upper and lower sections. The upper section is foled and sewn up in order to create a horizontal pipe shape with a lower opening left in the centre. The lower section is folded into two triangles with it's left and right upper corners laid above each other and over the centre of it's base side and sewn together by a horizontal seam. The arms and legs consists of flexible metal wires bound with paper with hand or feet forms fitted to their ends.
Patent DE-2358862-A1 (DE)
Title: Controlling space occupied by castings - using investment casting process and a templet moving along a vertical axis
Inventor: PETRO CLAUDE
IPC: B22C7/02
Filed: 1973-11-26
Abstract: In an investment casting process, the space occupied by a connecting piece/shaping element assembly (I) is regulated by a templet e.g. a ring which is moved along a vertical shaft supported on part of a conical head which supports (I). The templet is then replaced by a cylindrical jacket and (I) is embedded in a hardenable refractory material which fills the jacket; the conical head is removed, and the remainder is heated to a temp. at which calcinable and fusible materials are eliminated. The castings are formed by supplying molten material to the space left by the conical head in the refractory material and which communicates with the cavities formed by the eliminated materials.
Patent DE-2363890-A1 (DE)
Title: Turn-over transfer conveyor - for dough portioning and rolling out machine, delivering to loader
IPC: A21C9/08
Filed: 1973-12-21
Abstract: A conveyor for turning over simultaneously a number of portions of dough from a rolling-out station on to a retractable baking oven loader or dough portion raising frame is described in the parent patent. It comprises two synchronously running apralle endless belts or chains supporting the dough trays. These are arranged parallel to each other, at right angles to the line of motion, in such a way that they can pivot on their long axes. To ensure the positively effected and complete pivoting action of a definite number of dough trays, a guide, movable through an arc, is now coupled flexibly to a ball lever fixed on the journals of the dough tray shaft. Trays no longer pivot by gravity, but are turned ove by the motor drive through an angle of more than 90 degrees. The dough portions are thus tipped off accurately at the desired point turned over through 180 degrees.
Patent DE-2401500-A1 (DE)
Title: Ashtray with tilting lid - cigarette stubs are inserted vertically into pockets in lid for ejection into interior
Inventor: BUSSE RIDO
IPC: A24F19/14
Filed: 1974-01-12
Abstract: A bin shaped ashtray has a tilting lid across the top, which in the normal position excludes air and traps the smoke inside. The portion behind the hinge is block shaped to form a counterweight to the fromt portion, and has a lip projecting rearwards to act as a stop on the rear edge. The front portion has a pair of open fronted cup shaped pockets so that cigarette ends can be inserted into them vertically, resting also against the inside of the front of the bin shaped casing. Then, when the lid is tilted, the ends wall fall down through the gap between the inside face and the pockets. An alternative design is shown with sloping instead of vertical pockets.
Patent DE-2404986-A1 (DE)
Title: Herbicidal thiadiazolyl imidazolidinones - 1-(2-alkyl-(1,3,4)thiadiazol-5-yl)-3-(halo)alkylimidazolidine-2-o- nes
Inventor: KRENZER JOHN DR
IPC: C07D285/12
Filed: 1974-02-01
Abstract: Title cpds. are of the formula: (where R' = alkyl or haloalkyl, R2 = alkyl). They may be prepared by treating N-beta-chloroethyl-N-(halo)alkyl-N'-(2-alkyl-(1,3,4)thiadiazol-5-- yl)urea with aqs. KOH or NaOH.
Patent DE-2405476-A1 (DE)
Title: Fat emulsion used as bread-baking aid - contg. calcium stearoyl lactate in the fat phase and monoglyceryl esters of satd. fatty acids in the aqueous phase
Inventor: PERSMARK ULF DR PHIL
IPC: A23D7/01
Filed: 1974-02-05
Abstract: Fat emulsion of the margarine type contg. 45-90% of fat, used as bread-baking aid to ensure good taste, consistency, porosity, colour and freshness, is improved in that it contains 0.5-22 wt.% of calcium stearoyl lactate dissolved in the fat phase, and 0.5-22 wt.% of 1-monoglyceryl esters of satd. fatty acids; mainly stearic and/or palmitic acid, dispersed in the aqueous phase. The addition of the esters postpones the staling of bread; this effect is enhanced by dispersing the esters in the aq. phase instead of incorporating them into the fat phase. The fermentation process is improved by reinforcement of the gluten structure and, hence, of the pore walls. The evalution of gases is facilitated and a homogeneous, fine, cellular structure is obtd.
Patent DE-2405796-A1 (DE)
Title: Textile cross coil holder - has spindle acting on nut spreading clamping bolts engaging with coil sleeve
Inventor: HEPPERLE PHILIPP
IPC: B65H49/06
Filed: 1974-02-07
Abstract: The holder is for a coil with a cconical sleeve, and is inserted in it and clamped in position from one side. A screwed spindle, turning freely, is carried in a bearing in the coil plate and rotation of this spindle moves a nut to and fro. This nut has clamping bolts or strips working in guides in its periphery, and these cap pivot in the plate, so as to swing in and out in the radial direction, but be so mounted that they cannot slide in the plate. Their free ends can be held by a spring or spring ring. An actuator disc can be fitted to the free end of the spindle furthest from the bolts, which can be roughened, and extend for nearly the full length of the sleeve.
Patent DE-2407695-A1 (DE)
Title: Cooled sender tube with detachable socket - has liq-cooled anode in support with two extensions above tube socket
Inventor: JANKOVSKY RUDOLF DIPL ING
IPC: H01J19/36
Filed: 1974-02-18
Abstract: The assembly contains a water cooled transmission tube with annular electrode terminals and a socket from which the tube is removable in a single operating step. The tube anode with liquid cooling is secured to a support, having at least two radial extensions above the tube socket. These extensions are insertable into guide rails in a structure above the anode connection of the socket. This arrangement provides connecting unions between water closure couplings on the extensions to the water closing nipples in the structure. Preferably the support is in the form of a sleeve, whose lower end is flanged to the anode and whose upper expanded end contains the extension. A locking ring may actuate the individual water closure couplings on being suspended from a replacement rail.
Patent DE-2410686-A1 (DE)
Title: Grinding tool with improved wear-resistance - contg. abrasive, organic binder and filler admixed with low-melting metal or salt
Inventor: PERZOW NIKOLAJ W
IPC: B24D3/28
Filed: 1974-03-06
Abstract: Grinding tool contains diamond, cubic BN or other strong abrasives, organic binder (e.g. phenol-formaldehyde resin) and filler, e.g. carbides and oxides of high melting metals, metals or minerals, which is admixed with a material (I) which is surface-active w.r.t. material to be worked, has a m.pt. such as to allow melting under the high processing temps. used, and is present as active atoms during working. Pref. (I) is a low melting metal, e.G. Bi, added in amts. 1/3. of total compsn. vol. The tool is for working hard metals, steels, cast iron, ceramic, tool- and building materials. The tool has improved efficiency and wear-resistance e.g. specific diamond consumption can be reduced 2-3 times.
Patent DE-2414961-A1 (DE)
Title: Electrodynamic oscillating plunger compressor for refrigerant - has sound attenuating inlet and outlet chambers in cylinder end wall
Inventor: DOELZ HEINRICH DIPL ING
IPC: F04B35/04
Filed: 1974-03-28
Abstract: The cylinder body is provided with two separate chambers extending from its end face in a direction parallel to the cylinder axis. One chamber serves as inlet chamber through which the refrigerant gas flows before entering into the cylinder. The other chamber acts as outlet chamber and receives the compressed gas from the pressure chamber. The volume of the inlet chamber is equal to or greater than that of the cylinder volume. The chambers are preferably approximately cylindrical having their central axes in a common plane with the cylinder axis. The refrigerant preferably enters the inlet chamber via a restriction.
Patent DE-2422893-A1 (DE)
Title: Brush for cleaning external surfaces of pipes - has clusters of bristles fixed to split wire loop
Inventor: ZENTGRAF JOHANN OTTO
IPC: A46B3/18
Filed: 1974-05-11
Abstract: The bristles are made of polyamide or other suitable plastic and welded by a high frequency method to strips of material which are twisted together with wire. The clusters of bristles form hedgehog-like balls attached to the wires which are then bent to form two arcs each extending through three-quarters of a circle. The arcs overlap each other on one side and on the opposite side the wires are twisted together and inserted into a suitable handle of any required length. The brush is applied to the pipe so that it opens the gap between each arc and the "hedgehogs" surround the pipe.
Patent DE-2425552-A1 (DE)
Title: Dynamic comparator for electric AF oscillations - uses function ccts for root extracting and raising to higher powers
Inventor: DAVIES JACK L
IPC: H04B1/64
Filed: 1974-05-27
Abstract: Both operations are carried out as functions of time, as in 24 17 261. Each function circuit consists of a logarithmic circuit in series with a constant factor multiplier, and of an antilogarithmic circuit. The multiplier factor is fractional for root extraction, and integral for raising to higher powers. The device has an input circuit for determination of the signal absolute value, and a zero crossing detector. Input signal is applied directly and through an inverting stage to a 2:1 analog multiplexer which passes the directly applied positive half-wave, and inverted negative half-wave, independence on the zero crossing detector output signal.
Patent DE-2428573-A1 (DE)
Title: Programmed high accuracy manipulator - gives smooth signal transmission to servo motor without angle coding elements on receiver side
Inventor: WIND FERDINAND DIPL ING
IPC: G05B19/35
Filed: 1974-06-14
Abstract: Resolvers are used as angle coders where the angular position of a drive shaft modulates the sine or cosine voltage. Every resolver consists of a coarse and a fine resolver coupled through gears as a tandem measuring system. Demodulators independently evaluate the signals from the coarse and fine resolvers passing them to a store which contains information, obtained by hand, controlled approach to a point in a space, is given by both resolvers and tandem measuring instruments which give the angle position of the drive shaft as a digital theoretical value. A theoretical and actual value comparator compares actual values of angle position of the drive shaft with automatic approach valves.
Patent DE-2429980-A1 (DE)
Title: Drive for folded case-making mechanism - brings feed slot to standard position at end of each cycle
IPC: B31B50/00
Filed: 1974-06-21
Abstract: The case if formed by folding card round a rectangular block and fastening it with nails driven pneumatically through a pipe. It moves back between cycles for the slipway to receive another nail from the dispenser. The leading edge of each card has to be inserted in a slot, but, in the original design it was found the electric motor failed to stop in a consistent way, so that the slot was not always brought back to the starting position. This has now been corrected by incorporating a different, known type of motor and a stop switch.
Patent DE-2430638-A1 (DE)
Title: Safety pneumatic tyre is divided by internal partition - into two chambers one adjacent to tread the other to rim
Inventor: ENGLERT KLAUS
IPC: B60C17/02
Filed: 1974-06-26
Abstract: A safety pneumatic tyre, esp. for automobiles, is internally sub-divided (o rhas its inner tube internally sub-divided) by a thin, rubber-elastic circumferential partition, so that the internal space consists of two quite separate chambers, one of which lies beneath the tread, while the other is adjacent to the wheel rim; if the primary chamber near the tread is punctured, the sealing partition lies against the inner face of the tread and ensures continued running capability. Pref., the prim. and sec. chambers are connected to one or more inflation valves, e.g., by a hose. In addn., there may be a reserve air chamber, connected by a valve to the sec. chamber and itself fitted with a separate inflating valve.
Patent DE-2431455-A1 (DE)
Title: Adsorptive cationic cellulose ether prepn - by reacting cellulose with cationic etheri-fying agent in aq alkaline soln
Inventor: HURST LOUIS SHERMAN
IPC: C08B11/193
Filed: 1974-07-01
Abstract: A method for preparing adsorptive cationic cellulose comprises reacting cellulose with a cationic etherifying agent in an alkaline aq. soln. contg. an amt. of a salt of a strong acid and a strong base sufficient to increase thereaction efficiency. The cationic etherifying agent is of formula (I): (where R1 and R2 are H, (hydroxy) alkyl, alkenyl or aryl having =7C, R3 is (hydroxy) alkyl or alkenyl hving =6C, R4 is =7C alk(en)yl opt. substd. by Cl, Br, I or epoxy gp. R2 and R3 may form a =lC heterocyclic ring with the N atom, X is an uanion, R1 and X may be absent, in which case the agent is an uncharged free amine). The cationic cellulose ehter has a high adsorptive capacity for certain proteinaceous materials such as enzymes.
Patent DE-2444535-A1 (DE)
Title: Digital frequency filter for AF pulses - is for charge pulses above the audible range in communication systems
Inventor: RIEDMANN GUENTER MUENCHEN
IPC: H04Q1/442
Filed: 1974-09-18
Abstract: The frequency unit comprises a counting chain stepped forward by individual periods of a pulse after conversion into rectangular pulses, with switching means monitoring the reaching of a certain counting position corresponding to the respective nominal frequency. Stepping forward of a second counting chain (ZB) begins simultaneously with the stepping forward of the first counting chain (ZA). It is done at a counting frequency corresponding to the nominal frequency of pulses to be evaluated. Counting outputs (Q6-Q3) of both counting chains (ZA, ZB) are so linked together and with the evaluation circuit (FF1, Z), that the pulse evaluation switching means (Z) are activated only if both counting chains simultaneously reach the position corresponding to the nominal frequency.
Patent DE-2446711-A1 (DE)
Title: Stone separator on potato harvester - consists of continuous rotating belt with flexible tines on close together and rigid pieces at base
Inventor: JAEGER ARNOLD
IPC: A01D33/04
Filed: 1974-09-30
Abstract: The conveyor-belt consists of flexible tines of roughly 45 mm. length spaced apart by about 12-15mm. Between the longer, flexible tines are prongs of about a third of the length of the tines, and more rigid than the tines. The shorter prongs can be truncated-cone shaped. Instead of the prongs, strips may be substituted, running between the rows of tines, and trapezoid in shape. The strips can be thinner than the prongs. The tines and prongs form one piece together with a sheet supporting them which is stuck to the continuous reinforced, conveyor belt. The stones penetrate to the base of the tines and prongs, whereas the potatoes are discharged from the surface.
Patent DE-2450417-A1 (DE)
Title: Gate for support of photographic material during projection - has cooling air channel with nozzles directed onto the slide held within
Inventor: KOSCHAR FRIEDRICH
IPC: G03B21/16
Filed: 1974-10-23
Abstract: The gate in which a photographic recording material bearing an image, for example a transparency, can be held in the ray path of a projector device an and has a cooling air channel (3) mounted in the gate frame. The cooling air channel (3) is connected to cooling air nozzles (4) which are directed onto at least one surface (1a, b) of the photographic image recording material (1) and deliver their cooling air flow upon its surfaces. The cooling air channel may consist of a variety of cross sectional designs. A condenser lens may be fitted on the coolant channel.
Patent DE-2451108-A1 (DE)
Title: Building blocks made from expandable clay particles - with precise maintenance of temp. in moulds contg. raw materials
Inventor: DIEKER JOSEF ING GRAD
IPC: B28B13/02
Filed: 1974-10-28
Abstract: Building blocks are manufactured by expanding clay particles in a furnace (1) at high temp., introducing them into moulds in which they are compacted and passing the moulds through a heated chamber n6); between the expanding furnace and the heated chamber, the particles are heated with control of temp. to an infinitely variable degree. The expanding furnace may be connected to the chamber via at least one pipe (3), a cyclone device (4) and a discharge opening (5) in each of which are mounted one or more infinitely adjustable burners (11, 12).
Patent DE-2456001-A1 (DE)
Title: Hinge combination device container construction - has profile wall and door bearing components
Inventor: LIEBSCHER GUENTHER
IPC: E05D3/02
Filed: 1974-11-27
Abstract: A combination hinge, partic. for use in construction of containers closed up by means of door has the hinge section (1/11) constructed as a distortion proof set of profile sections which can be pivoted at up to 270 deg. to each other and make contact with each other at the wide open position. The profile sections (1/11) carry support devices (7/17) for walls (19) or doors (9) and the ends of the hinge section (11) directed towards the wall (19) are so constructed that they can be fixed to a second wall/door combination. The support devices are built up to form a U-section around the support for the wall portion.
Patent DE-2456788-A1 (DE)
Title: Emphasising natural structure of wood - by conversion of cellulose in soft parts to oxycellulose or hydrocellulose by chemical treatment and removal by brushing
Inventor: MAHROUS MAHMOND YASSER RAMADAN
IPC: B27K3/52
Filed: 1974-11-30
Abstract: The natural structure of wood articles, with as profiles or sheets, is made more prominent by treating the surface with an agent which converts the cellulose to oxycellulose and possibly hydrocellulose, and lowers the mechanical strength of the cellulose chain, followed by mechanical removal of the more strongly attacked soft parts of the annual rings of the tree. Rough mechanical treatment is not needed. The wood surface is not darkened. A relatively deep effect on the wood surface can be achieved. The hard parts of the annual rings are not attacked.