baber/WOPTO huggingface dataset:
Patent DE-2721815-A1 (DE)
Title: Roller shutter type swimming pool cover - has conical attachments on plugs laterally closing slat air chambers giving buoyancy
Inventor: UNTERWEGER HELMUT
IPC: E04H4/08
Filed: 1977-05-13
Abstract: The swimming-pool cover, for heat retention, dirt exclusion and safety, comprises roller-shutter type units with lateral and coaxial drive and reduction gearing, and with air chambers in shutter slats for buoyancy generation. There are a number of shutter slats (4g) with one or more such hollow spaces (4i), laterally closed by plugs (7) with conical attachments (7a) to form sealed air chambers. The plugs can have a rounded exterior, to promote evenly distributed progress of the cover along the pool sidewalls, and to prevent damage to the wall. The prefabricated, slightly conical configuration promotes a rapidly effected clean finish.
Patent DE-2723484-A1 (DE)
Inventor: LAESSER CLAUDE
IPC: G09F9/00
Filed: 1977-05-20
Abstract: An electronic timepiece provides photo-electric cells disposed behind a passive electro-optic display cell for recharging a storage battery. The timepiece includes in its display a polarizer, a passive electro-optic device such as a liquid crystal, a quarter-wave plate, a cholesteric liquid crystal reflector and photo-electric cell arranged in superposition upon each other. Ambient light passing through the cholesteric reflector is used to energize the photo-electric cells which recharge the storage battery. Ambient light reflected by the cholesteric reflector is used to indicate the displayed information.
Patent DE-2729073-A1 (DE)
Title: Indigo prodn. from phenyl-glycine carboxylic acid salt - by fusion in mixed potassium hydroxide and sodium hydroxide melt, then oxidn.
Inventor: TOLKSDORF ERICH DIPL CHEM DR
IPC: C09B7/02
Filed: 1977-06-28
Abstract: Prodn. of indigo (I) comprises fusing, at 200-240 degrees C, phenylglycine -o- carboxylic acid salts (II) in a KOH naoh melt having freezing pt. 170-220 degrees C at a pressure of 0.5-10 bar with exclusion of air. The melt is then pured into water and the prod. oxidised. Yields of 90-93% of very pure (I) giving pure colours on cottom (more reddish than that from the Heumannpfleger synthesis.). The use of alkali amides is avoided and the mother liquor left after recovering (I) is suitable for direct processing.
Patent DE-2738491-A1 (DE)
Title: Chemically resistant appts. from heat-hardening resin - with filler, including carbon fibres, avoiding use of asbestos
Inventor: SCHWICKART KARL-JOSEF DIPL ING
IPC: C08L61/10
Filed: 1977-08-26
Abstract: Appts., container, tube, etc. is made from a hardened mixt. of (a) about 50 wt. % heat-hardening resin, esp. a phenol-HCHO or furan resin, and (b) about 50 wt. % of fillers, esp. reinforcing fibres; is not 5 wt. % of the filler consists of C fibres. Use of asbestos fibres is avoided. The properties of the compsn. are as good as those of a mixt. contg. asbestos. Carbon fibres of uniform quality can be produced.
Patent DE-2741923-A1 (DE)
Title: Scissors type lifting table - has rams acting between links at ends which slide in base and platform slots
Inventor: REYMANN GOTTFRIED
IPC: B66F7/08
Filed: 1977-09-17
Abstract: The lifting table is lifted by a scissors mechanism incorporating rams, particularly hydraulic, acting between the links at one end. The rams (4) are mounted between the links (2, 2a) at the ends where these slide in their mountings, thus giving greater stability at this end of the table.
Patent DE-2743736-A1 (DE)
Title: Intruder resistant roller shutter locking mechanism - has side protruding lugs engaging case side-piece notches when lowered
IPC: E06B9/80
Filed: 1977-09-29
Abstract: For prevention of unwarranted opening from outside the automatic securing device is fitted to a roller 1 shutter, with case ends sealed by hollow-chamber side-pieces, providing a mounting for the spindle in outer sides and with enlarged holes in inner sides. The blind sheet (20) has protruding securing lugs (20b) (50) protruding at the ends of a shingle piece (20b) running down from the spindle when lowered. These pass through the inner sides (26) of the side-pieces (24) in an angled profile slot (48), where a notch holds the lug if the sheet is pushed upwards.
Patent DE-2749878-A1 (DE)
Title: Pointer mechanism for pressure gauge with bourdon tube - has three element lever system which connects tube end with toothed segment
Inventor: KLEIN KURT
IPC: G01D5/04
Filed: 1977-11-08
Abstract: The mechanism converts or transmits the approx. rectilinear Bourdon tube movement into a pointer rotation. A tie rod connecting the Bourdon tube end (9) with the toothed segment lever (10) is divided in a three-part lever system (11) consisting of two outer levers (12, 13) interconnected by a hinged link (14). Free ends of the outer levers are rigidly connected to the end of the Bourdon tube (9) and the toothed segment lever (10) respectively. The segment lever rotates about a pivot (15) and the arced portion (8) engages with a pinion (6) which rotates the pointer on the scale (3).
Patent DE-2755445-A1 (DE)
Title: Half stuff or cellulose prodn. from wood - by digesting shavings with chemicals, reduces time taken and plant size
IPC: D21C5/00
Filed: 1977-12-13
Abstract: In the recovery of half stuff or cellulose from wood by impregnating wood reduced to small pieces with chemicals and decompsn., strips of wood with a thickness of 0.7-1.7mm, a length of 30-100 mm and pref. a width of min. 5mm are used. It is pref. to use shavings made from damp wood. The prod. is useful for the prodn. of paper, cellulose or viscose. The process avoids the need for costly preimpregnation and slow digestion with large amts. of liquor.
Patent DE-2802213-A1 (DE)
Title: Direct reduction of iron ore using wood as fuel - in rotary ovens, with utilisation of the total calorific value
Inventor: FINK FERDINAND DIPL ING DR MON
IPC: C21B13/00
Filed: 1978-01-19
Abstract: Iron ore is reduced directly to spongy iron by use of wood as fuel and reducing agent, in a rotary tubular oven, a mixt. of ore and wood being fed in at the upper end. Energy content of the wood, including the gas and volatiles evolved, is fully utilised, so that only 1000kg. wood per tonne iron is required, cf. 460 kg charcoal from >=2000 kg. wood. Reduction commences and proceeds at a lower temp. than with anthracite or coke, the discharge temp. being 850-950 degrees C against almot 1100 degrees C.
Patent DE-2803458-A1 (DE)
Title: Solar heating system combined with underground heat store - has underground coil connected with heat pump and are enclosed by earth core
Inventor: HANSEN UWE
IPC: F24S90/00
Filed: 1978-01-27
Abstract: The solar heating system has its heat collectors (8) connected by lines (9) to a heat collector (10) buried underground below the depth of frost penetration. This underground collector has a coil (2) connected by lines (11) to a heat pump (5) in turn connected by further lines (6) to the hot water tank (7). The underground coil (2) is wound in layers around an inner chamber (3) which is filled with a heat storage mass such as earth, located in the middle. This can then return heat to the system when the solar system is at a low temp. level.
Patent DE-2807195-A1 (DE)
Title: Automatic parking brake mechanism - has servo brake system control linked to throttle setting and speedometer to hold vehicle when stopped
Inventor: BLUEMEL KARL
IPC: B60T11/10
Filed: 1978-02-20
Abstract: The servo line (2) between the servo supply and the brake control valve has a tapping (4, 6) leading to a parking brake, via a special control valve (11). This applies the parking brake automatically every time the vehicle stops, and lifts the brake when the accelerator pedal is pressed again. The parking brake control valve has a sensor (41) which monitors the throttle setting, via a linkage (33). A second interlock monitors the speedometer setting so that the brake is only applied when the throttle setting is at idling and when the speedometer registers no speed.
Patent DE-2807755-A1 (DE)
Title: Ceramic catalyst carriers or packing for exchange columns - made from refractory oxide(s), glass, and silicate sol
Inventor: GROCHOL JAN DR
IPC: B01J19/32
Filed: 1978-02-23
Abstract: Ceramic contact bodies, used for the exchange of substances and/or heat, are made from thin, shaped ceramic foils which are assembled together to form channels through which gases or liqs. etc. can flow. The foils are made from powdered and/or fibrous refractory oxides, and 0.1-20 wt.% silicate glass with an electrolytic silicate sol., and baked at 300-800 degrees C. for 10-30 seconds to harden the foils. They are then assembled to make the contact bodies or carriers, and sintered 10-120 mins. at 1000-2400 degrees C. The electrolytic sol. is pref. made from colloidal particles in alcohol contg. =15% water and with pH 1-4. The refractory oxides pref. include >=1 component dissolving in the molten silicate glass to cause an increase in viscosity and devitrification. Used in reactors, or exchange columns for distn., absorption, extn. etc; or in heat exchangers. The contact bodies resist heat and corrosion, and are inexpensive to mfr.
Patent DE-2808457-A1 (DE)
Title: Waveguide structure prodn. for distribution cabinets, etc. - produced by masking and irradiating a photosensitive glass prior to annealing and etching
Inventor: GUTTMANN JOACHIM
IPC: G03F7/00
Filed: 1978-02-28
Abstract: A waveguide structure, partic. suited to the propagation of electromagnet waves of wavelength lambda >= lambda o, is obtd. from glass which is photosensitive to wavelengths lambda  lambda o. The glass, except from the region which is to form the wave guide structure, is subjected to a radiation by wavelengths lambda  lambda o. After annealing, the glass is treated with a etching soln., whereby the irradiated and non-irradiated regions are dissolved differently. Pref. radiation sources are uv, X-ray or electron radiation. Before prodn. of the waveguide the photosensitive glass may be put on a support consisting pref. of a glass which a lower refractive index than the photosensitive glass. The technique is suited to the rodn. of flat structures which are used in distribution cabinets etc. The durability of these waveguides is superior to earlier ones.
Patent DE-2813228-A1 (DE)
Title: Shrink fit assembly of insulation sleeve on tube - has external heater ring moved along tube during application of tensile force
Inventor: GRUNDMANN GUENTHER
IPC: B21C37/06
Filed: 1978-03-28
Abstract: A long object, e.g. a tube is placed inside a close fitting sleeve. To firmly locate the sleeve on the tube, a heat source, in the form of a moving heater ring, is applied. Whilst the heater ring is moved along the tube and the sleeve, a tensile load is applied to the sleeve. This produces a shrink fit of the sleeve on the tube. A filler substance can be placed between the tube and sleeve so that the radial thickness of the insulation is increased. For the same purpose, several layers of insulation sleeve can be installed on the tube by repeating the procedure.
Patent DE-2813405-A1 (DE)
Title: Ambulance with stretcher supporting platform - has platform sliding transversely in rear bracket and pivoting on front support
IPC: A61G3/00
Filed: 1978-03-29
Abstract: The ambulance has an upper supporting platform in a frame which can be swung out through a loading opening in the vehicle, by means of a hinged front support and rear bracket then swung against the inside wall when loaded. The platform (2) slides transversely in relation to the rear bracket (5) and pivots on an axis on the front hinging support (4). This axis (6) is inclined to the lengthwise axis of the vehicle. It can also be arranged to slide transversely in a guide (9) in the rear bracket, the guide slewing on the bracket on a vertical axis (10).
Patent DE-2814293-A1 (DE)
Title: Solenoid relay for single phase refrigeration set motors - has magnetic plate with bore in upper part of coil former, whose ends penetrate coil plane
Inventor: MOLNAR LASZLO
IPC: H01H51/06
Filed: 1978-04-03
Abstract: The selenoid relay is intended preferably for switching the auxiliary phase of single-phase motors used in refrigeration systems. The relay coil-former (11) contains in the upper part of its cavity (12) a magnetisable plate (1) which has a bore and is bent in the direction of the armature (15), or is provided with a flange. Both ends (4) of the plate protrude into the plane of the coil (16). Preferably the magnetisable plate is mounted in a contact chamber (14). The two ends of the plate may be bent in the direction of stationary contacts (17). The relay design is primarily intended for minimising interference for television and ratio receivers.
Patent DE-2814630-A1 (DE)
Title: Crankshaft for in=line engine - has division at centre through thick crane web into spigoted halves secured together
Inventor: PETROVSKY JAN DIPL ING
IPC: F16C3/12
Filed: 1978-04-05
Abstract: The crankshaft is for in-line engines with a six throws or more. It is divided at the middle along a thick crank web (7) to form a pair of flanges and two short crankshaft sections (2, 3). The sections are joined together by coupling devices (4) to form a single crankshaft (1). The design allows production of long cast crankshafts without the risk of distortion.
Patent DE-2816269-A1 (DE)
Title: Transverse junction strip laser with low threshold current - where layers of gallium aluminium arsenide and gallium arsenide are grown epitaxially on gallium arsenide substrate
Inventor: SUSAKI WATARU
IPC: H01S5/20
Filed: 1978-04-14
Abstract: The semiconductor laser has a quasi-insulating substrate (30), covered by a semiconductor layer (12) of one conductivity type (a), followed by a semiconductor layer (14) of type (a) but with a narrow forbidden energy gap than layer (12). A third semiconductor layer (16) is also type (a) but with a wider forbidden energy gap than layer (14). Another semiconductor zone of opposite conductivity type (b) is formed in layers (12, 14, 16) to reach substrate (30) and to form pn-junctions or barrier layers in layers (12, 14, 16). The pn-junction in layer (14) is the light emitting zone, and electrodes are fitted on a layer of type (a) and a layer of type (b). Substrate (30) is pref. GaAs doped with Cr; and conductivity type (a) is pref. n-type. This laser has very low stray current and an improved behaviour of the stray current w.r.t. temp change.
Patent DE-2817420-A1 (DE)
Title: Fail=safe logic with two and=gates - produces programmed signal whose delayed decay time is only shortened if component fails
Inventor: DUEMMEN PAUL LUDWIG DIPL ING
IPC: H03K19/007
Filed: 1978-04-18
Abstract: The logic circuit is designed so that if a component fails, the delayed time decay is only shortened or disappears. Two fail-safe AND-gate are connected together such that the input of the AND-gate receiving the input signal is coupled to one input of the second AND-gate. The output of the second AND-gate is fed back to that input of the first AND-gate that receives the clock pulses. The AND-gate output is coupled via a growth OR-gate to the growth input of the second AND-gate. Both AND-gates each have a capacitor to maintain a time-limited control potential.
Patent DE-2821681-A1 (DE)
Title: Light barrier system for electrically operated car windows - with each light barrier operating at its own frequency which is different from others
Inventor: DOLDERER ERICH A
IPC: E05F15/43
Filed: 1978-05-18
Abstract: The light barrier system detects objects between a light transmitter and a receiver, or detects approaching objects (reflection light barrier) thus protecting and measuring a limit distance. In order to eliminate mutual interference between light transmitters and receivers forming an individual light barrier (1, 7; 15a, 15b ...) their transmitters operate at difference frequencies, not harmonic of other systems, and their receivers respond only to frequencies of their own systems. The output from one light barrier passes through a monostable multivibrator (13) to a power amplifier (14) with a feedback through a diode and a photo-transistor.
Patent DE-2822934-A1 (DE)
Title: Mechanised prodn. of deep frozen peeled tomatoes - by deep-freezing until solid, peeling in a brushing machine and an abrasive machine and refreezing
Inventor: TENUTA ANTONIO
IPC: A23N7/00
Filed: 1978-05-26
Abstract: Fresh tomatoes are first deep frozen, e.g. to about -30 degrees C, to make them firm enough to peel mechanically. The frozen tomatoes are conveyed to and through a brushing machine and then onwards to and through an abrasive peeling machine. Following inspection, the peeled tomatoes are passed through another freezing stage pref. via a freezing tunnel, to compensate for the slight heat gain in the brushing and peeling stages. Process enables deep frozen peeled tomatoes to compete in price with canned tomatoes which cannot offer the same taste and texture annd whose flavour is affected with preservatives.
Patent DE-2823269-A1 (DE)
Title: Multiple section steel ram - uses flat overlapping connection elements, between ram shank and extension section
Inventor: ALT KARL DIPL ING
IPC: E02D5/28
Filed: 1978-05-27
Abstract: The ram has a ram shank, a base, and one or more extension sections (4), fastened to the shank (2), by screws with heads inserted by impact. The connection is by flat connection elements (5, 6) e.g. straps, which overlap and are screwed to both shank and extension section. The upper end of the shank and the lower end of the extension receive the impact screws, and the straps are have bores (8) at equivalent points. The screws have special ribbing near the screw head, which engages into the wall of the bores.
Patent DE-2828098-A1 (DE)
Title: Composite splint for positioning patient's lower leg and ankle - comprises tubular pads hooked together and filled with hardenable plaster or polyurethane foam
IPC: A61F5/058
Filed: 1978-06-27
Abstract: Legging adapted to cover a person's foot and leg near the ankle joint and fix it in the rest position at a pre-determined angle whilst preventing pivoting motion of the ankle joint, is claimed. The legging is composed of 2 tubular communicating sections along whose longitudinal edges one half-tape of a closure e.g. a slide fastener closure, burr-type closure or hook-and-eye closure is fixed. These half closures enable the legging to be fixed together after the tubular sections have been filled with plastically deformable but hardenable material. The sections, thus hooked together, form a demountable split about a person's leg when the packing inside the tubular sections has set. Plaster or curable polyurethane foam is a suitable packing.
Patent DE-2829095-A1 (DE)
Title: Three=way valve with complete shut=off between positions - has double seating action with seats above and below pistons separated by spring loaded bellows
Inventor: SCHUETTFORT ERICH ING GRAD
IPC: B01J19/14
Filed: 1978-07-03
Abstract: Valve for gaseous or liquid media has two valve seats with two pistons but with a single actuator. This allows three operating position, with either valve open or both closed. Actuation can be manual or by motor. The closed position is intermediate between the two others. The two pistons are separated by spring loaded belows and are operated from a single actuator with only vertical motion. The valve has a body with three flanged connections. It has two seatings. The lower seating has a threaded insert with a conical seating and flexible seal e.g. PTEE in the centre. A conical plunger fits into this and controls the flow.
Patent DE-2831726-A1 (DE)
Title: Logic analyser with one or more channels - has main and auxiliary data shift registers and trigger units to assemble data strings
Inventor: BEIS UWE DIPL ING
IPC: G01R31/3177
Filed: 1978-07-19
Abstract: The logic analyser includes a number of parallel channels, typically three. Each channel comprises a data shift register and an auxiliary shift register. The output stages of the auxiliary shift register transfer data to trigger units. The trigger units provide bit sequences which each fill up the next available cell of an operational circuit. The latter is also connected to a computer terminal and a pulse generator. The multiple channel arrangement enables a number of bit lengths of various types to be assembled.
Patent DE-2832106-A1 (DE)
Title: Ship with insulated cargo holds - has prefabricated insulation panels enclosing hexahedral spaces, strong enough to take cargo loads
Inventor: MUELLER KLAUS-DIETER
IPC: B63B25/16
Filed: 1978-07-21
Abstract: The ship with insulated cargo holds is structurally entirely conventional. The sandwich type insulation is in the form of interlocking prefabricated panels which are assembled to enclose a vertical-sided hexahedral space regardless of the adjoining hull contour. Floor-side and overhead-panel strengths differ, being determined by the expected cargo-derived loading. Internal reinforcing members are of low thermal conductivity material. The choice of facing material is based on the expected operating conditions, that on the outside must anyway prevent moisture penetration/water leakage into the insulating material.
Patent DE-2837196-A1 (DE)
Title: Nickel-base hard-facing alloy for IC engine components - contg. chromium, molybdenum and carbon without cobalt or tungsten
Inventor: DANIS LOUIS J
IPC: B23K35/30
Filed: 1978-08-25
Abstract: An IC engine component incorporates a surface coating of an alloy consisting of, by wt., 1-3.5% C, 3-12% Mo, 25-40 % Cr, and 40-70% Ni. In partic. the coating is applied to the seat and/or the seating surface of a valve, or to a pre-combustion chamber. The alloy has improved resistance to oxidn. and to attack by lead oxide. It also eliminates the use of the scarce and expensive metal Co and W.
Patent DE-2838674-A1 (DE)
Title: Traffic measurement in centrally controlled telephone exchange - involves adding times other than switching times and sum is subtracted from observation period
Inventor: WOLFRUM ALBERT ING GRAD
IPC: G07C1/00
Filed: 1978-09-05
Abstract: The measurement is carried out by the central control itself. All times except switching times are measured by individual counters inside the central control, which add individual times within an observation period. At the end of each observation period individual times are consecutively or together subtracted from the total duration of this time interval. The time so calculated and the other individual times are displayed or printed out.
Patent DE-2839101-A1 (DE)
Title: Direct volume meter for milking system - has measuring container inform of membrane chamber downstream fitted after separation chamber
Inventor: SCHLETTER PETER
IPC: G01F3/38
Filed: 1978-09-08
Abstract: The volume meter is for directly measuring the amount of milk delivered by a cow during milking. It has a vacuum separator chamber for separating the milk from the milk/air mixture. A milk measuring container (2) in the form of a membrane chamber for the separated milk (3) is fitted after the separation chamber (1). A membrane (4) in the region of the container floor operates via a pressure medium (5) on a milk measuring device (6) with a connected counter (7).
Patent DE-2841969-A1 (DE)
Title: Alloy vaporiser crucible - has narrowed portions forming throttles and dividing contents into several zones
Inventor: AICHERT HANS DR ING
IPC: C23C14/24
Filed: 1978-09-27
Abstract: The vapouriser crucible is for alloys whose ingredients have different vapour pressures, from the molten state in a vacuum evaporation system. An evaporating material is continuously fed to the molten metal at one or more points. In the crucible, are one or more narrowed portions, forming flow throttles, and dividing the contents into several different zones. One or more throttles can be formed by a ridge extending upwards from the crucible bottom for part of the height to which it is filled.