baber/WOPTO huggingface dataset:
Patent DE-2610890-A1 (DE)
Title: Variable buoyancy device for diver - has system of valves to empty or fill reservoir with water or air
Inventor: BUCKLE BRIAN LEONARD
IPC: B63C11/30
Filed: 1976-03-16
Abstract: The diving aid to enable the diver to operate at chosen depths, consists of a housing worn by the diver, with a sealed reservoir with a water inlet valve to admit water from outside into the reservoir to displace gas from it, a gas discharge valve, and a gas inlet valve to admit compressed gas to cause the displacement of water and a water discharge valve to empty the reservoir, all selectively operated to vary the buoyancy of the whole. The reservoir may be connected to the breathing gas of the device, and may consist of a flexible tube which may be rolled up or folded and may consist of two lengths connected to a common fluid inlet and two separate discharge chambers, operated together.
Patent DE-2613221-A1 (DE)
Title: Reduced redundancy and reconstitution speech transmission - using additional harmonic filtering to improve quality at lower cost
Inventor: DIBBERN U DIPL PHYS DR
IPC: G10L19/00
Filed: 1976-03-27
Abstract: The transmission method is for speech signals. The transmitter, by analysis of the signals describing its lower register generates reduced redundancy signals. At the receiver the original signal is regenerated with sufficient approximation. Before analysis, the signal is filtered using a filter with fixed zeros corresponding to the fourth and sometimes higher formant harmonic, and the receiver contains a complementary filter. The costs and channel capacity are reduced, whilst speech quality is improved.
Patent DE-2616922-A1 (DE)
Title: Yarn tow steam treating appts. - having rotary annular chamber with peripheral slot for inlet and outlet pipes to permit of uniform shrinking or crimping
Inventor: ROSENKRANZ DIETER
IPC: D06B3/04
Filed: 1976-04-15
Abstract: Yarn tow steam treating appts. of the J-box type includes a rotary annular treatment chamber having a circumferential slot for the inlet and outlet pipes. Used for shrinking or crimping yarn tows. Friction between chamber walls is eliminated and the tows are allowed to shrink at a preselected rate.
Patent DE-2628312-A1 (DE)
Title: Elastic play ball with internal pressure chamber - has irregular wall thickness in order to produce unpredictable bounce
Inventor: RINGELING WILHELM
IPC: A63B43/00
Filed: 1976-06-24
Abstract: An elastic play ball has one or several internal chambers (13) which are pressurized by compressed air. The wall thickness of the ball is irregular and the density of the elastic material on the inside of the wall (14, 15) is not the same for each wall section. Thus, when the ball is thrown against a firm surface, the path of its rebound is unpredictable. Since the rebound of the ball cannot be controlled, no playing partner is required when this type of ball is used. An air valve (5) is provided so that the pressure can be altered in order to change the bouncing pattern of the ball.
Patent DE-2635695-A1 (DE)
Title: Nitrating benzo-tri:fluoride(s) to mono- or di-nitro derivs. - using conc. sulphuric acid contg. sulphur tri:oxide and excess nitric acid
Inventor: BUETTNER GERHARD DR
IPC: C07C205/12
Filed: 1976-08-07
Abstract: Benzotrifluorides of formula (I) (where X1 and X2 are H or halogen and Y1 is H, -NO2 or -CF3) are nitrated with a mixt. of concn. HNO3 and conc. H2SO4 contg. SO3. An excess of 1-3 mol HNO3 is used, at increasing temp. within 70-130 (85-120) degrees C range, in 5-8 (6-7) hrs. Prods. can be mono- and dinitrated (I) of formula (II) (where R is H or -NO2). (II) contg. 2-NO2 gps. in m-position can be prepd. (II) are intermediates for dyes or polyamides E.g. (i) amines, which are diazo components for dyes, are prepd. by substituting 1 halogen atom by NH3. (ii) Amines used as starting materials for polyamides are prepd. by reducing the -NO2 gps. HNO3 decompsn. and nitrous gas generation is very small, and high conversion and yields (e.g. 84-98%) are achieved.
Patent DE-2636203-A1 (DE)
Title: Appliance for internal coating of pipes etc. - has cylindrical chamber and rotating worm conveyor also guide piston for pipe centering
Inventor: HACHENEY WILFRIED DIPL ING
IPC: B05C7/04
Filed: 1976-08-12
Abstract: The appliance is for the internal coating of hollow profiles, esp. pipes, using a plastic or plasticisable material, to protect the surfaces against chemical and mechanical corrosion. A cylindrical chamber (4) contains the material, this being pressed by a rotating worm conveyor (6) into a ring gap (8). The gap is formed between the internal wall of the pipe, and a rotating smoothing cylinder (7), connected to the worm. A guide piston (1) is positioned in front of the smoothing cylinder and the worm. The piston contains drive and controls, and ensures the centering of the cylinder within the pipe via hydraulically or mechanically adjustable rollers (2). The RPM of the cylinder is adjustable, to alter the application pressure on the coating material. The cylinder may be interchanged, for a different coating thickness.
Patent DE-2656324-A1 (DE)
Title: Metal or plastics spray paint container - has standard filler nozzle thread directly attachable to spray pistol
Inventor: STEINHAUSEN MANFRED PAUL
IPC: B65D23/00
Filed: 1976-12-07
Abstract: A can of spray paint, made from metal or plastic, is provided with a screw type filler nozzle (1). The nozzle thread is of standard form so that it can be directly attached to any type of spray pistol. A screw-on cap, either metal (4) or plastic (5), is used to seal the pain container when it is not in use. A metal membrane (3) whose edge is wrapped around the rim of the filler nozzle thread, provides the original container seal when the can is new.
Patent DE-2659283-A1 (DE)
Title: Motor drive for vehicle accessories - with hinged and spring tensioned gear permitting manual operation
Inventor: HOFELE GUENTHER DIPL ING
IPC: E05F15/689
Filed: 1976-12-29
Abstract: Motor drives are typically applied for windows or sliding roofs. The need for a special clutch or disengaging device for the motor can be avoided by combining the motor (2) and driving sprocket (5) in a unit (8) which is hinged (7) and held against the driven gear wheel (4) by a spring (10). The hinge (7) axis is parallel to the rotational axes of the two gear wheels (4, 5). If the window, for example, has to be closed by hand the arrangement is such that the driving sprocket (5) is pushed out of mesh by the rotation of the large gear (4). As soon as this motion ceases it however reengages by action of the spring (10). It then acts as an effective bolt on the window.
Patent DE-2703484-A1 (DE)
Title: Shaft circlip mounting tool - has base-plate with plunger over which is slidable sprung cylinder with slider to displace circlips from magazine
Inventor: FEHRENBACHER ALFRED
IPC: B25B27/20
Filed: 1977-01-28
Abstract: The tool consists of a base plate with a slot in its end to locate the plate over a shaft on which a circlip is to be mounted. A piston is mounted at the end of the base plate a housing being slidable over the piston. A spring is placed between the piston and the housing. A slide is attached to the housing, and a storage rail with circlips is attached to a block which is mounted on the end of the base plate. When the housing is pushed over the piston against the force of the spring, the bottom clip from the store is pushed over the shaft against which the base plate is held.
Patent DE-2708949-A1 (DE)
Title: Reusable transport framework for glass panes - has C=shaped columns linked by similarly shaped cross-bar using couplings
Inventor: BALDUIN FRANZ
IPC: B65G49/06
Filed: 1977-03-02
Abstract: The transport framework for e.g. glass panes is fabricated from steel. It comprises two columns (1') and at least one cross-bar (2) releasably attached to at least one column by a holder (12). Each column is C-shaped in section with its open side facing the cross-bar (2). Each holder is C-shaped as is the cross-bar whose side walls (10, 10') extend beyond the cross-piece (11) and include an angle (alpha) corresponding to that between the columns.
Patent DE-2712689-A1 (DE)
Title: Portable score board for table tennis - has circuit boards with LED's to display scores against players name
IPC: A63B71/06
Filed: 1977-03-23
Abstract: A portable score board for table tennis consists of a large board made of sheet steel, wood or plastic and which forms a housing for a number of circuit board. The circuit boards are fitted with light emitting diodes which are grouped to form numbers indicating the score angainst the player's name. The player's name is written on the board with a special crayon that can be easily removed. The score board is powered by batteries. Selector switches are fitted near the lower edge of the board or a remote control panle can be used. The board can be mounted on the trolley for ease of transport or carried by a handle fitted to the top edge.
Patent DE-2715370-A1 (DE)
Title: Shut=off valve for water heater - has rotary closure member contg. check valve accessible for servicing when rotary member is closed
Inventor: SASSERATH AREND
IPC: F16K15/18
Filed: 1977-04-06
Abstract: The check and shut-off valve esp. for water heater has a rotary closure member (16) contg. a check valve (30). This is arranged in a diametral bore of the rotary member and allows flow in one direction when the rotary member is turned to align the bore with inlet and outlet ports (12, 14). When the rotary member is closed the bore is aligned with an inspection port (64) providing access to the check valve. The inspection port is normally closed by a screw plug (66) which is removable for servicing the check valve.
Patent DE-2717796-A1 (DE)
Title: Stabilised fuel slurry prepn. - in the form of thixotropic oil-in-water emulsions, esp. for use in blast furnaces
Inventor: MARLIN LOUIS A
IPC: C10L1/32
Filed: 1977-04-19
Abstract: The slurries contain 30-70 (pref. 30-50) wt.% of a liq. fuel oil (I), 25-65 wt.% of solid fuel particles (II), with dias. 1/4 (pref. =1/8) in., 2-30 wt.% water, and 0.2-5 wt.% of an emulsifier (III) capable of forming a thixotropic, water external-oil high internal phase emulsion. The slurry is prepd. by mixing, with agitation, (I), (III), (II) and water, (II) having dias. =2 in., to form the emulsion, and then comminute (II), by mechanical mixing, to the required size. The mixing is effected at >100 degrees F (pref. >=140 degrees F). (I) may be a petroleum oil or coal tar, and (II) coal, coal by-prods. or solid petroleum residues. (II) may be "direct shipping coal" or "run-of-mine" coal, and the stabilised slurry may be directly used for injection into blast furnaces (pref. with steam atomisation) or in boilers.
Patent DE-2719452-A1 (DE)
Title: Washing machine drum balance weights - attached to drum rim extension in mirror symmetry
Inventor: KORNFELD HEINRICH
IPC: D06F37/26
Filed: 1977-04-30
Abstract: A new method to attach balance weights to the drums of washing machines and spin dryers to damp out unbalance vibrations uses uncomplicated fixtures and requires balance weights of simple configuration. The balance weights are attached to the annulus around the charging opening of the drum; they have a shape characterised by mirror symmetry, with lugs for fixing to the drum and to each other. The drum is fitted with a tightening rim which clamps a seal between the drum flange and its face ring. The rim has an axial extension cylinder to which the balance weights are bolted.
Patent DE-2720555-A1 (DE)
Title: Travelling wave tube - with attenuators coupled to cavity resonators in interaction circuit
Inventor: LIPPERT GEROLD
IPC: H01J23/30
Filed: 1977-05-07
Abstract: A travelling-wave tube has an interaction circuit of several cavity resonators in series, one of which is coupled to a cylindrical damping resonator. The latter has in the loaded state a circuit efficiency of >40(50-100). On one face, a slug tuner dips into the cylindrical opening to a depth which can be adjusted and fixed after completed tuning. The result is a sharper sepn. between the attenuation band and the working band. The higher circuit efficiency permits a greater loading of the tube.
Patent DE-2732050-A1 (DE)
Title: Mitre clamp for assembling picture frames - has self-aligning block with padded surface to prevent damage to frame
Inventor: KAUFMANN HANS
IPC: B25B5/14
Filed: 1977-07-15
Abstract: A mitre clamp for holding the corners of picture frames together during assembly uses a special block to prevent damage to the frame. The block(1) has a flat face(15) covered with a layer of cork or felt(18) which is pressed against the side of the frame(2). The block (1) has a U-shaped slot with a groove around the curved part of the U shape. A disc(17) with a circumferential ridge fits in the U shaped slot. This disc(17) has a slot extending over most of its diameter which receives the transverse bar(6) which joins the two arms of the clamping levers(5). The disc(17) allows the block to align itself perfectly with the surface of the frame(2).
Patent DE-2758443-A1 (DE)
Title: Valve servo drive changeover mechanism - has thrust plate between axially movable carrier and compression spring
Inventor: IMB OSKAR
IPC: F16K31/05
Filed: 1977-12-28
Abstract: The changeover switching is for an electro-mechanical servo drive for a stop valve. The drive wheel (22) is provided with coupling elements (14, 16) and is always engaged with a drive shaft (24). The drive wheel has axially moving carrier element (18, 20) engaging with coupling elements. Between the carrier elements and the compression spring (40) is fitted a thrust plate (42) coaxially with the drive column. This is in engagement with an actuating fork (44), the latter having a pivoted support pin (50).
Patent DE-2758815-A1 (DE)
Inventor: KUENZLI ALBERT DR
IPC: F24H1/41
Filed: 1977-12-30
Abstract: The smoke-gas flue (4) has a rectangular cross-section and is delimited by walls (10, 11) formed from pipes (10', 11', 13') welded in a gas-tight manner and contains at least one contact-heated bank of tubes (25). Provided in the front wall (10) is a gas inlet opening. Provided in the region of the inlet of the gas into the bank of tubes (25) is a throttle surface, which extends over the entire cross-section of the smoke-gas flue (4) and is formed from parallel, cooled tubes (30), with passage openings for the gas which are distributed uniformly over the cross-section of the gas flue. The tubes (30) forming the throttle surface are continuations of the front wall tubes (10') and extend as far as the rear wall (11). The throttle surface improves the distribution of the gas flow over the cross-section of the bank of tubes. <IMAGE>
Patent DE-2800734-A1 (DE)
Title: Engine oil filter - with element centred by bent lips on sheet metal end plate
Inventor: FOERSTER MICHAEL ING GRAD
IPC: B01D27/08
Filed: 1978-01-09
Abstract: A filter for liquids, esp. for the lubricant of i.c. engines, consists a bowl which is closed at the open end by a cover with a central outlet and a lateral outlet and a lateral inlet for the liquid. A cylindrical filter element which is traversed radially inward by the liquid is held in position by a sheet metal end plate on the bottom side of the bowl. This end plate has four flexible extension lips which support it against the bowl dome and are bent over radially inward. The periphery between the lips is bent at right angles in the opposite direction and centres the plate inside the bowl. This is a simpler design for the location of a filter element, resulting in lower costs of mfr.
Patent DE-2811832-A1 (DE)
Title: Spleen extract which inhibits platelet function - obtd. by extraction of spleen with a solvent of high dielectric constant
Inventor: PARMER LAURENCE PIERPONT
IPC: A61K35/28
Filed: 1978-03-17
Abstract: A material which is capable of lowering platelet count or fibrinogen concn. or both is isolated from spleen by extracting with a polar solvent of dielectric constant of >=20 and then chromatographing the resulting soln. either by silica gel t.l.c. eluting with benzene or by glass column chromatography eluting with benzene or methanol. The material has an Rf value of 0-0.73 and a m.pt. is not >70 degrees C. The material is soluble in acetone, benzene and ether and can be extracted by these solvents. It can be separated into fractions TLC1, TLC 2A, TLC 2B and TLC 3. TLC1 and the dyes butter yellow sudan red 6 and indophenol blue when subjected to a 250 micron thick Analtech silica gel G.F plate using a benzene eluting solvent have Rf values of 0.66, 0.40, 0.17 and 0.05 respectively.
Patent DE-2815223-A1 (DE)
Title: Coloured jointing compsn. contg. white cement - filler, polymer, and liquid or pasty dye mixt. added separately, giving colour control
IPC: C04B24/40
Filed: 1978-04-08
Abstract: A jointing compsn. or mortar contains (a) 20-50 (25-40) wt.% of white cement, (b) 80-50 (75-60) wt% of finely ground and/or finely particulate inert materials and/or fillers, and w.r.t. 100 pts. wt. of (a)+(b), (c), 0.01-6 (0.1-1) wt% of a water-sol. or water-dispersible cellulose deriv. or cellulose ether and/or >=1 synthetic material or resin. Additionally, the compsn. contains, w.r.t. 100 pts. wt. of (a)+(b)+(c) as dry matter, (d) 2-20 (6-15) wt% of a dye mixt. consisting of (A) 1-80 (3-77) wt.% of >=1 water-insol., alkali-resistant inorganic and/or organic dye (B) 98-99-15 (96.9-20) wt% of an aq. dispersion of a synthetic resin with =55 (25-50) wt% solids, and pref. resistant to electrolytes or alkali, and (C) 0.01-5 (0.1-3) wt.% (calculated as solids) of >=1 wetting agent and/or auxiliary for dispersing or distributing the dye. Claimed cpds. (C) are hydroxy (m)ethylcellulose, methylcellulose, and carboxymethylhydroxyethylcellulose. Claimed resin are poly(meth)acrylates, poly-vinyl propionate or acetate, PVC and mixts. or copolymers from these monomers. The uncolored compsn can be stored separately from the dye mixt. Reproducible colour can be obtd. Formation of cracks is lessened and bonding along the sides of the joint is improved.
Patent DE-2823290-A1 (DE)
Title: Clothes hanger with clothes line attachment - has hook to prevent it slipping off, formed by ring with overlapping ends
IPC: A47G25/32
Filed: 1978-05-27
Abstract: The clothes hanger has a hook by which it is suspended, for instance on a washing line, and which prevents it from falling off. The hook has a closure (11, 12, 13) in the form of a ring (3) with a gap in it, separating the two ends (12) which overlap and spring back onto each other. Additionally, the ring can incorporate two fingers with forked ends and pointing upwards, on the ends of two bars on each side of the hanger shaft (2), for fixing onto the washing line.
Patent DE-2824222-A1 (DE)
Title: Hermetically sealed cigarette pack - with aluminium core having coated printed paper one side and thermoplastic coating on other
IPC: B65D85/10
Filed: 1978-06-02
Abstract: Hermetically sealed pack for sensitive materials, partic. cigarettes, is made of a combination material with >=3 layers, the outermost being provided with lines of weakness for ease of opening and at least partly printed and/or at least partially coated. This outer layer is not thermoplastic whilst the innermost side is. Single sheet packing is hermetically sealed everywhere; the outer layer (pref. paper) acts as a carrier for an Al core layer and is coated with colourless e.g. nitrocellulose for gloss and low cost in contrast with use of e.g. polythene film.
Patent DE-2830616-A1 (DE)
Title: Storage container for magnetic screwdriver - comprises plastics open-top container fitted with permanent ring magnet
Inventor: WIENERL WERNER
IPC: B25H3/00
Filed: 1978-07-12
Abstract: Screwdrivers are often made with a magnetic blade to enable it to pick up small screws and place them in the required position. To prevent the screwdriver losing its magnetism after prolonged use, the tool is stored in a cylindrical plastics containers which contains a permanent ring magnet. The container can also be used to magnetise a steel screwdriver or spanner if required. The container may also be of rectangular cross-section and fitted with a number of permanent bar magnets.
Patent DE-2835898-A1 (DE)
Title: High frequency platen press - with bottom platen in circuit fully insulated thermally on top of electrical insulators
IPC: B27N3/20
Filed: 1978-08-16
Abstract: Platen press, partic, for use with chipboards, fibreboards, etc. has top and bottom platens and h.f. heating for the material being pressed. Both platens are cored for passing heating agent through for temp. control, the lower platen is supported on dielectric insulators distributed over its area and at a set temp. on the lower cross-beam; one of the other platen is earthed in the h/f heating circuit. Thermal insulation barriers in compression-resistant material lie between the dielectric insulators and the bottom platen, the thickness of these barriers is at least sufficient to enable the dielectric to be used with the platens at max. temp. Electrical insulation is not overheated for its purpose, thermal insulation can also provide some electrical insulation and hence a higher safety factor.
Patent DE-2837612-A1 (DE)
Title: Pressure wave generator with tangential outlets - has rotor with vertical spindle in bearings top and bottom, and valves on top
Inventor: FAHSKE EDMUND
IPC: F04D21/00
Filed: 1978-08-29
Abstract: The pressure wave generator with an oval shaped housing (1) mounted on legs (10), has a vertical shaft (11) through the centre, driven by a drive unit (8) underneath. This shaft rotates in bearings (3, 5) at top and bottom, and has two arms (12) extending radially, each with a rotating mass (14) at its end. Extending tangentially from the housing are air outlets (2) around the circumference, and mounted on the top are relief valves (4). Each rotating mass has a blunt head and a tapered tail. In an alternative design, a lower rotor is mounted on a hollow shaft through which passes the main drive shaft, so as to rotate in the opposite direction to that of the upper rotor.
Patent DE-2838839-A1 (DE)
Inventor: FOERNSEL HELMUT ING GRAD
IPC: H03M1/82
Filed: 1978-09-06
Abstract: For digital-analog conversion, bit outputs, which do not correspond to each other by place value at least in one group, of a counter (Z) which is affected by a count pulse sequence, are continuously compared to a number memory (Sp) which contains a digital value. The time which elapses from an initial state of the counter (Z) to the moment when the two numerical values become equal defines the mark-space ratio of a pulse signal. All the bit outputs of the counter (Z) are displaced, relative to the bit outputs of the memory (Sp) which are compared with them, in the direction of increasing place value on the memory side, and by a preset number of bits. Therefore, bit outputs of the counter (Z) at its highest place value end are opposite bit outputs of the memory (Sp) at its lowest place value end in the given number. An increment is added to the bits which follow the lowest place value bits of the memory (Sp) on each pass of the counter (Z), provided that the numeric value which is present at the lowest place value bit outputs of the memory (Sp) is greater than the instantaneous content, of the highest place value bits of the counter (Z), which is compared with it. <IMAGE>