baber/WOPTO huggingface dataset:
Patent DE-2339602-A1 (DE)
Title: Introduction of high viscosity explosive slurry into a borehole - using pressure vessel and compressed air
Inventor: KLUENSCH MAXIMILIAN DR
IPC: F42D1/10
Filed: 1973-08-04
Abstract: Introduction of uncased high viscosity explosive slurries into boreholes, by charging it continuously through a charging hose directly through a pressure vessel by means of compressed air into the borehole, the composition of the explosive being such that its cohesive strength overcomes the forces of adhesion between it and the walls of the pressure vessel or hose; more especially, cross linking or hardening agents are added to the explosive which has been treated with swelling agents. Avoids the difficulties associated with known methods for the introduction of the high viscosity explosive slurry into the borehole e.g. the danger of premature explosion where pumps are used, arising from the presence of tramp or dired-out explosive, or the restriction in the depth of insertion where tubes of gelled explosive are introduced and emptied by compressed air, as well as the intermittent nature of the process. The swelling agents used may be e.g. carboxy-methyl cellulose alginates or poly-acrylamide, while suitable cross-linking or hardening agents are chromates and dischromates of alkali or alkaline earth metals or of zinc, mixed with reducing agents e.g. thiourea, or a mixture of Sb-(III) and Sb-(V) compounds or formaldehyde or borax.
Patent DE-2339715-A1 (DE)
Title: N-substd. 1-amino-3-phenyl-indane derivs. - useful as tranquillisers
Inventor: SCHAUB WOLFGANG DR
IPC: C07D295/135
Filed: 1973-08-06
Abstract: Phenylindanes of formula (I) and their acid addn. salts are new: (where each R1 and R2 is H, halogen, 1-4C alkyl, OH,acyloxy, 1-4C alkoxy or phenyl-1-4C alkoxy, or 2 neighbouring R1 or R2 gps. can form a fused 5- to 7-membered ring; R3 is H, 1-4C alkyl, phenyl-1-4C-alkyl or hydroxy-alkyl; R4 is H, 1-4C alkyl or phenyl-1-4C-alkyl; R5 is H, 1-4C alkyl, benzyl or phenyl; R6 is (a) a mono- or bi-cyclic aromatic gp. opt. substd. by prim., sec. or tert. amino, phenoxy, 1-2C alkylenedioxy or R7R8NR9O, where R9 is lower alkylene and R7 and R8 are alkyl or NR7R8 is a satd. 5- or 6-membered ring opt. another N or O heteroatom, (b) a mono- or bi-cyclic aromatic gp. opt. substd. by 1-3 OH and/or lower alkoxy gps., (c) a monocyclic 6-membered heteroaromatic gp. with 1 or 2 N atoms, opt. substd. by lower alkyl, or (d) a bicyclic heteroaromatic gp. with 1N atom, opt. substd. by lower alkyl). Cpds. (I) are useful as tranquilisers, e. g., in doses of 5-15 mg./kg. i.p. (mouse).
Patent DE-2345567-A1 (DE)
Title: Small-arms shooting range - has grid-like layout with target box width an integral fraction of length
Inventor: HARTMANN MANFRED ROLF
IPC: F41J11/00
Filed: 1973-09-10
Abstract: Practice small-arms firing range has shooting target boxes, of width equal to the length of a long piece, an integer multiple of which forms the long sides of a training surface, and which is the basis of a grid-like overall layout. Preferably the surface is sprinkled with sand. The range is roofed over. Shooting zones, to receive target devices, are between the sides of the training surface and the shooting boxes. The upper cover part and the lower boundary of the box mutually form an acute angle, open toward the shooting side.
Patent DE-2348384-A1 (DE)
Title: Bolt cutter or reinforcing steel netting cutter - uses hydraulic pressure generated by air pressure to cut bolt
Inventor: ERDMEIER HANS-UDO
IPC: B26B17/02
Filed: 1973-09-26
Abstract: The cutter blades are linked by a toggle to the end of the hydraulic piston rod attached to the piston which slides in the cylinder. The piston rod is held by a spring to keep the blades open. At the other end of the cylinder is a pneumatic piston which a piston rod which passes through a central hole in a cylinder divider which has an outer seal and an inner seal. When pneumatic pressure is applied through a pipe and valve the piston pushes the rod into the hollow space in the piston which is filled with hydraulic fluid and so creates a high hydraulic pressure to close the cutter blades.
Patent DE-2351983-A1 (DE)
Title: Impulse turbine for liquid or gaseous media - has rotor blades shaped to produce circular resultant flow path
Inventor: FREISL PAUL
IPC: F01D1/00
Filed: 1973-10-17
Abstract: The tubine is of the type in which the blades divert the flowing medium over a considerable angle, such as in a Pelton turbine, to extract the maximum kinetic energy. The blades are curved over their entire length to produce a circular flow path. The turbine blades are symmetrically curved in two opposite directions, staring from a central line so as to split the flow of the medium in two equal portions, each of which describes a resultant circular path. The space at the concave sides of the blades may be subdivided by partitions in planes at right angles to the longitudinal direction of the blades. The partitions may have recesses in the area where the medium impinges on the blades.
Patent DE-2352842-A1 (DE)
Title: Closure for annular gaps between concentric tubes - comprising an arc welded and pressed cover ring
Inventor: GANOWSKI FRANZ-JOSEF
IPC: B23K9/08
Filed: 1973-10-22
Abstract: A closure for the annular gap between concentric tubes comprises a cover ring which is welded by a magnetically rotated arc and pressed against the front end of the tubes. The annular gap between the tubes can be 0.5-2.0 mm and the total wall thickness of the tubes can be 3-5 mm. The tubes need not be rotation-symmetrical, e.g. they may be rectangular tubes. It is used to weld tubes into tube connectors of separator walls of water heaters and boilers, to give mechanically stable and gas- and liquid tight welds, rapidly.
Patent DE-2362101-A1 (DE)
Title: Concrete wall or ceiling formwork - with U-sectioned hollow box profile carriers with reinforcing cross-stem
IPC: E04G17/14
Filed: 1973-12-14
Abstract: The formwork assembly, for use in constructing walls or ceilings, or elements of these, in concrete, comprises a number of form carriers to which a sheathing membrane is attached, each carrier being in the shape of a hollow box profile, with U-shaped cross-section, to which rigidity is given by an interconnecting cross stem joining the two arms of the U at an interval from their open ends. This combination pref. provides an accommodating space for fixing bars holding the membrane, with a lengthways convex arched superelevation projecting from the carrier as a membrane fitting surface. The carrier can be a monolithic extruded aluminium shaped-section, and the fixing bar can be of square timber. Light weight and compactness are combined with good load-bearing capacity.
Patent DE-2412278-A1 (DE)
Title: Spring-soled jumping shoes and spring-heeled ski boots - is in various styles for use as toys or sports equipment
Inventor: SIMON KATHARINA
IPC: A63C9/00
Filed: 1974-03-14
Abstract: The strong, squat spring with end plates is strapped under the middle of each jumping shoe. Inflated rubber spheres may serve instead of, or as well as, spiral metal springs. Alternatively, shoes may have inflatable platform soles. The strongest springs would be used only beneath soles furnished with splints to be strapped to the lower leg so as to protect the ankle. Springs under the heels of ski boots help the skier to carry his weight forward. In alternative designs the elastic element is in the form of a bellows member with an inflatable unit, or may include a parallel lever link mechanism.
Patent DE-2417326-A1 (DE)
Title: Spacer grating for nuclear fuel element rods - has inward projections to locate rods but permit expansion
Inventor: ROHR FRANZ
IPC: G21C3/34
Filed: 1974-04-09
Abstract: A spacer grating for a number of fuel rods combined to form a complete nuclear fuel element consists of vertically on-edge metal strips in an orthogonal pattern. Each rod is centered in the grating by lugs projecting inwards from the strips of the grating and bearing laterally against studs projecting outwards from the fuel rod. Each rod is accurately restrained in position, but is free to expand and slide relatively to the grating. The lugs bear against opposite sides of the studs. Each grating is pref. formed of upper and lower halves; the shaded lugs are attached to one half, the other lugs to the other half. With this arrangement, the two halves are positioned initially with a slight relative offsetting to facilitate the insertion of the rods and then, when the rods are in position, are brought into alignment.
Patent DE-2420391-A1 (DE)
Title: Lattice truss, girder or beam in formwork - with elements mechanically locked together and readily exchangeable singly or grouped
IPC: E04C3/29
Filed: 1974-04-26
Abstract: The object is to facilitate assembly of a truss, lattice girder or other spaced force-transferring structural unit, esp. for incorporation in formwork, using different materials for different parts, according to the stresses encountered in them, and keeping the overall weight as low as possible. The elements are formed-locked together by a purely mechanically effective latching connection, with the result that they can be dismantled, interchanged, replaced, repaired and provided in different materials and/or settings relative to each other, either individually or in groups. Highly stressed elements may be of light metal, and others of wood or other fibrous materials, or fibre-reinforced plastic.
Patent DE-2421101-A1 (DE)
Title: Mowing machine, preferably tractor-towed - has at least two contra-rotating rotors with crop-preparation device behind
Inventor: OVERESCH ALBERT
IPC: A01D43/10
Filed: 1974-05-02
Abstract: The tops of the rotors are fixed to a beam extending crosswise to the direction of travel. The rotors are driven on roughly vertical axes by means of a drive shaft. The bottom end of the rotors have cutters. One end of the support beam pivots on a hinged beam by means of an axle extending in the direction of travel. The drive-wheel and the wheel belonging to the crop-preparation device are preferably multiple-row V-belt pulleys. They are joined by means of power-transmission pieces in the form of parallel V-belts. The cros-preparation device consists of crushing rollers mounted in side-plates and covering the middle of the rotors. The crushing rollers are driven by the pivot shaft and the wheel connected to it. The harvested crop is guided by plates to the rollers and laid on the ground by means of a swathe-laying device.
Patent DE-2422164-A1 (DE)
Title: Baked bread loaf cooling system - with rising chain conveyor, slow cooling belt and sepg. spiral chute
Inventor: POERINK JANNES JONGE
IPC: A21C15/00
Filed: 1974-05-08
Abstract: A transport and cooling system for bread baked without a mould consists of an endless chain conveyor which lifts the leaves in a curve overhead. A transfer conveyor takes them to a divergent transfer sheet where the leaves accumulate and are moved on a wider cooling belt which moves more slowly. The leaves are discharged in a spiral chute where they are separated one-by-one and lined up for the conveyors to the slicing or packaging machine. This saves up to four operators and works fully automatic. The limited space in bakeries is nut cluttered up by trolleys or wheeled racks. The plant can deal with all sizes of bread and works trouble free with little maintenance.
Patent DE-2432460-A1 (DE)
Title: Connector for broom head - has conical headed screw and expanding sleeve and socket for handle
Inventor: WAEHNING HEINRICH
IPC: B25G3/20
Filed: 1974-07-06
Abstract: The connector is for holding a broom head on its stick, and has a screw which passes through the broom back into the end of the stick. This ensures that brooms or scrubbing brushes which come into contact with water in use will not be loosened. The clamping arrangement has a screw with a conical countersunk head (3), screwed into a sleeve nut (5) held at the end of the tubular handle (2). The conical head expands the split sleeve (4) so that the outside face of this sleeve is pressed against the wall of the bore (10) in the broom (1). The handle lower end is held in the sleeve nut socket (6) by a transverse pin (11).
Patent DE-2435964-A1 (DE)
Title: Overhead current collector for electric vehicles - has triangular upper arm on pivoted support to reduce wind resistance
Inventor: DOZLER WILHELM DIPL ING
IPC: B60L5/26
Filed: 1974-07-26
Abstract: The collector consists of a base frame carrying the lower arm (5) and upper arm (1). The upper arm consists of torsion tubes forming a triangle with the pivot axis (2) of the elbow joint linked to the lower arm. A cross bar (3) at the apex of the triangular upper arm has insulating and flexible properties to act as a spring tensioner to the pick up bracket (4). The lower arm cross shaft (8) is positioned below its pivot axis (6) in order that the upper arm (1) can lay in the free space when retracted.
Patent DE-2438504-A1 (DE)
Title: Connector for joining rectangular and elliptical waveguides - is of rectangular section with recesses for broad band matching
Inventor: KAFFENBERGER ERNST
IPC: H01P5/08
Filed: 1974-08-10
Abstract: The connector provides a coupler between waveguides of dissimilar cross section which has circular section recesses in the wide walls at points a precise fraction of the wavelength removed from the elliptical end as set out in patent P2426699. The broad band matching thus achieved is further improved by adding a third such recess 5/8 wavelength from the elliptical end flange whose dimensions of depth and axial length are less than those of the second recess. These recesses can be cut by means of a circular milling cutter so that they form parts of cylinders set into the wide wall of the waveguide connector.
Patent DE-2442596-A1 (DE)
Title: Automatic screw driver device with power driven blade - has holder device to keep screw and sections to be screwed in contact
Inventor: ZEIDLER SIEGMUND
IPC: B25B21/00
Filed: 1974-09-05
Abstract: An automatic screw driver with a screw blade driven by a rotation motor which is mounted in the body housing pref. in a spring tensioned tube protruding beyond the end of blade stud having a cut out section of conical design to hold the screw head has the tool holder body supplied with a holder device (13) which keeps the screw (19) and sections to be screwed together (16, 18) together in an axial direction to the screw blade (2). Between the holder (13) and screw blade (2) a relative motion is possible by means of an adjustable setting member (7) which is mounted in the tool holder.
Patent DE-2443167-A1 (DE)
Title: Focusing mechanism esp for microscopes - can be added to vertical illumination instruments
Inventor: HAINA DIETHER DIPL PHYS DR
IPC: G02B7/32
Filed: 1974-09-10
Abstract: The mechanism produces a light spot in an intermediate plane or an equivalent plane, and an image of the spot is formed by the objective at the surface of the object. Microscope focus adjustment may be automatic and the light spot is pref. produced with a laser, e.g. a helium neon laser. In the latter case the focusing operation is not to the smalllest light spot on the object but to the largest grains in the diffraction image of the light spot. The focussing operation does not effect the object and is not itself affected by the type of objective.
Patent DE-2448202-A1 (DE)
Title: Foil lined swimming pool contoured block-closing edge - between two units defining overflow gutter, with slightly sloping grill support edges
IPC: E04H4/12
Filed: 1974-10-09
Abstract: The side-closing edge, made of contoured stones or building blocks, is for fitting on swimming pools, with an overflow channel coverable by a grating, and is for setting on the upper edge of a pool unit which is to be cladded with a sheet of watertight foil. The edge unit (1) is formed in the cross-section of two individual shaped-section bodies (2, 3) set at an interval apart, with their interfacing side surfaces bounding the side-walling of the overflow channel (4). The edges of the shaped-section bodies upper boundary surfaces (7, 8), which support the grating (9), lie in a plane which is slightly inclined downwards toward the interior of the pool. Surface water is effectively drained off, while the edge is kept as dry as possible, as a safety factor for bathers walking there.
Patent DE-2450559-A1 (DE)
Title: Internal floor for double walled containers - consists of two layers of welded sheet metal strips
Inventor: BARTH ERICH
IPC: B65D90/501
Filed: 1974-10-24
Abstract: The container is especially for the storage of liquid fuels, heating oils, etc., and consists of an internal container, resting on the flat floor of an external container of thinner sheet metal. The inner floor (9) is formed from two layers (10, 11) of sheet metal strip, at distances to each other. The strips in the upper layers cover the gaps between those of the lower layer, and are tack-welded, fluid-proof to each other and to the inner jacket (3). The strips in the lower layer are tack welded fluid-proof to the outer floor, consisting of dimpled sheet metal.
Patent DE-2451521-A1 (DE)
Title: Digital keyless lock with internal coding - has internal discs whose configuration is masked but read by sensing ratchet steps
Inventor: BIOLLEY JEAN PIERRE
IPC: E05B37/04
Filed: 1974-10-30
Abstract: The digital lock has an actuating knob for the locking catch which must be rotated, before it is depressed, from a basic position at least two turns in opposite direction. Within the lock is accommodated a disc which can be moved relative to the adjacent coaxial disc and which has on both sides projections for engaging with depressions. The lock has a housing which has a central shaft which is actuated by a central knob with a shaft which can slide axially. On the shaft is arranged the first disch which can be rotated and moved axially. This disc is followed by a second disc which is connected to the shaft. The third disc is kept apart from the second disc by the helical spring. The lock is set to a new combination by adjusting the disc relative to the housing.
Patent DE-2456661-A1 (DE)
Title: Roll adjustment on universal rolling mills - where roll shaft is provided with end caps possessing wedge surfaces
Inventor: KNAPPE BERNHARD
IPC: B21B31/08
Filed: 1974-11-30
Abstract: In a device for adjusting a roll on a universal rolling mill, consisting of a housing possessing two dise forks with a U-shaped cavity in each fork for locating an end cap, and between the end caps is a roll shaft employing pref. several tapered roller bearings to carry the roll, half the outer surface of each end cap is provided with a taper mating with a tapered surface on a wedge plate mounted on the end surface of each of the two forks. The two wedge plates are pref. fitted with tongues mating with grooves in the forks, the plates being held by bolts which screw into the housing, gaps being provided for radial and axial adjustment. Simple and rapid roll adjustment.
Patent DE-2457856-A1 (DE)
Title: Reflex objective with two spaced elements - has front elements with central opening for incident light beam
Inventor: KOEPPE HERMANN DIPL ING
IPC: G02B17/08
Filed: 1974-12-06
Abstract: The reflex objective is formed by a front element, with a central opening through which the incident light beam passes with a second element spaced concentrically behind it, comprising a glass lens (2) provided with a non-reflective layer (5) overlaid with a reflective layer (6) on the side facing the first element. Preferably the non-reflective and reflective layers (5, 6) are provided over the central area of the glass lens (2), the latter having the same diameter as the first element. The glass lens may be a compound lens component having a complementary lens element positioned at the side of the glass lens facing the front element of the reflex objective.
Patent DE-2457994-A1 (DE)
Title: Plastics sealed container for fluid goods - with opening device located in container
Inventor: BLASY LUDWIG DR
IPC: B65D75/70
Filed: 1974-12-07
Abstract: Container for fluidisable goods has walls which can be opened by an opening ember located in the container interior. Container is readily openable. Foodstuffs, cosmetics, medicines or chemicals. Container is made from vacuum moulded plastics foild defining the walls jointly with a thermo-welded lid.
Patent DE-2505154-A1 (DE)
Title: Biogenic aromatic amines from aromatic amino acids - using a decarboxylase obtd. from basidiomycetes
Inventor: GMELIN ROLF PROF DR
IPC: C12N9/88
Filed: 1975-02-07
Abstract: Prepn. of biogenic aromatic amines from aromatic amino acids comprises using a decarboxylase obtd. from basidiomycetes (either in crude form or in the pure form in phosphate buffer pH 5.5) as biocatalyst. Biogenic amines play an important role in the central and vegetatural nervous system, e.g. having sympathomimetic and psychotomimetic action and are therefore of great biochemical, pharmacological and medicinal interest.
Patent DE-2508283-A1 (DE)
Title: Overload protection for transistor amplifiers - carrier system line amplifiers have separation of frame from cable sheaths
Inventor: BAACKMANN DIRK ING GRAD
IPC: H03F1/52
Filed: 1975-02-26
Abstract: Cable sheaths, which can be the outer conductors, are separated from the transistor amplifier frame by h.v. capacitors, and amplifier working point stabilisation is achieved by an emitter resistor common to all stages. Input and output terminals and supply connections are protected by Zener diode and voltage arresters. A Zener diode is in parallel with the common emitter resistor. The Zener voltage is a little higher than the stabilisation voltage which drops in normal operation across this resistor. During normal working the stabilising voltage drops across the common emitter resistor. Supply voltage is achieved from the part of the remote d.c. supply lying across the Zener diode and the capacitor switched in parallel.
Patent DE-2509465-A1 (DE)
Title: Floor support stand for cello or bass viol etc - comprising resilient disc with hollow for cello spike, cushioned by bristles
Inventor: EICHLER KLAUS ING GRAD
IPC: G10D3/00
Filed: 1975-03-05
Abstract: The support stand is used for a cello or bass viol and is in the form of a thin resilient disc (1), the underside of which is provided with a cylindrical collar (13), from which tufts of bristles extend, so as to form a cushion. The upper surface of the disc (1) is provided with a central conical tapering hollow (16) which receives the spike fitted to the bottom of the cello. The disc (1) is fitted into an annular base, with the central bore in the base being slightly larger in diameter than the collar (13) formed below the disc (1). The bottom of the annular base is provided with an annular cushioning pad.
Patent DE-2517657-A1 (DE)
Title: Phosphoric acid purification - by solvent extraction water washing of extract and back extraction with water
Inventor: TAKAHARA MASAKI
IPC: C01B25/234
Filed: 1975-04-22
Abstract: Prodn. of phosphoric acid with reduced inorg. impurities from crude phosphoric acid obtd. by decompsn. of an ore of phosphorus with sulphuric acid comprises extracting the crude acid with a 6-8C alkanol (I), washing the extra >=4 times with water opt. contg. phosphoric acid, the total amt.of washing water beeing 20-50 pts. wt. per 100 pts. wt. phosphoric acid contained in the extract, and back extracting the washed extract with water to obtain aq. phosphoric acid with reduced inorg. impurities, which if desired may subsequently be concd. Pred. (I) is 3 or 5 methylhexanol. The process is simple and avoids the use of expensive metals. such as ion exchange resins.