baber/WOPTO huggingface dataset:
Patent DE-2451575-A1 (DE)
Title: Myrcene and 6-isopropenyl-3-methylene-9-methyl-1,8-decadiene prodn. - by polymn. of isoprene with metallic sodium at low temps. in the presence of amines, used as chemical inters
Inventor: TANAKA JUNTARO
IPC: C07C1/00
Filed: 1974-10-30
Abstract: Myrcene (I) and 6-isopropenyl-3-methylene-1,8-decadiene (II) are made by polymn of isoprene (III) in triethylamine as solvent. (IV), with a sec amind additive (V) in the presence of an alkali metal catalyst (VI) and keeping the temp. at below 50 degrees C. Higher selectivity and yield of (I) and (II) are obtd at these temps. previous methods having mainly produced 2,6-dimethyl-2,6-octadiene,2,7-dimethyl-2,7-octadiene.
Patent DE-2461336-A1 (DE)
Title: Container for loading skips of tipping vehicles - has bolts for suspension chains mounted on side walls above centre of gravity
Inventor: SIRCH MANFRED
IPC: B65F3/04
Filed: 1974-12-24
Abstract: Container for loading skips of tipping vehicles with rectangular shape of a shorter length than the inside width of the loaded skip (7). The side walls (12) of the container (10) are fitted with a suspension bolt (14) positioned below top edge of the container and above its centre of gravity. Attached to the suspension bolt (14) is an end link (5) of a chain (4) with which its other end is secured to one of two pivoting arms (2) of the tipping vehicle (1). The suspension bolts (14) on both sides walls are positioned in a vertical plane which is projecting near centre of gravity (S) of the loaded container (10). Each side wall (12) is fitted with an outwards projecting bolt (20) which is engaging bearing plates (8) attached to the sides of the skip. The container (10e is also provided with catch bolts (22) which are mounted near top edge of its side walls (12) and are of at least the same length as the suspension bolts (14). In free hanging container (10) the catch bolts (22) are positioned behind the chain (4).
Patent DE-2500418-A1 (DE)
Title: Paper support for plane matrix printer - has positioning device to compensate for different paper thicknesses of fixed print machine
Inventor: HIRT PAUL
IPC: B41J11/20
Filed: 1975-01-07
Abstract: The support, e.g. an impression roll (1), is mounted at each end in a bearing block (2) slidable horizontally in guide (4), itself adjustable vertically by means of a cam (6) for the vertical positioning of the support. For horizontal positioning, the support is engaged by a member (7) adjustable horizontally by another cam (6), the bearing block participating in the horizontal movement by sliding in the guide. The first cam may be in the form of a lever, and the second cam, also in the form of a lever, may be supported for its rotation in a bore in the guide.
Patent DE-2505524-A1 (DE)
Title: Door frame decorative end bar retainers - are in bracket form with post fittttting cutouts exerting resilient grip
Inventor: MUEHLE MANFRED
IPC: E06B9/01
Filed: 1975-02-10
Abstract: The end decorative bar, for a window or door, consists of a tubular shaped-section post and two retainers for fixing this to the window or door frame. These retainers (6, 7) for fitting to both ends of the post (4) are made in the form of a bracket, and have a cutout (9) on the surface (8) facing the post, fitting its external cross-sectional shape. The interval between them is such as to allow them to exert a resilient embracing grip on the ends of the post which lock into the cutouts. The retainers are made of a material with a low degree of elasticity. The base of the cutouts may be inclined towards the post, an end face of which is inclined at the same angle, and the post may be grooved for insertion of rails bearing ornamental elements.
Patent DE-2508997-A1 (DE)
Title: Press for forming long sections - has shaped frame moved on vertical columns in guide rails via guide strips
Inventor: BOEDEKER WILHELM
IPC: B21D5/01
Filed: 1975-03-01
Abstract: A press frame in the form of a C-frame can be moved vertically on columns of guide rails via guide strips. One or more drive devices is supported on one side on a beam which rigidly connects the vertical columns of the frame. On the other side, the drive device lies directly or indirectly on the top shank of the C-frame. The C-frame with a bottom tool fixed to its bottom shank can be moved by operating the drive device against the top tool, which is arranged under the beam connecting the vertical columns.
Patent DE-2512210-A1 (DE)
Title: Pipe clamp fastener for heat exchanger - uses clamp with parallel flanks and stop ends
Inventor: SMITH JOHN F
IPC: F28F1/20
Filed: 1975-03-20
Abstract: The heat exchanger is fastened to a pipe which is partly surrounded by a tensioned clamp. The neighbouring flanks of the clamp have apertures to accommodate a plug section, passing through two facing profiled webs of a heat exchanger. The plug section consists of a clamp (3) with almost parallel flanks, the free ends of which have stops for retention on the clamp (1). The web connecting the clamp flanks, and the neighbouring flank parts themselves, enclose a retention aperture for a wedge (4). The clamp flanks are expandable and flexible. The free clamp ends are arched outwards, and correspond to the profile of the clamp.
Patent DE-2513472-A1 (DE)
Title: Detection of fertile period and pregnancy - with test kit contng. buffer and cpd. hydrolysable to p-nitrophenol etc.
Inventor: MANAUTOU JORGE M
IPC: C12Q1/34
Filed: 1975-03-26
Abstract: New test kit for determining an increase in N-acetyl-beta-glucosaminidase in female body fluids (i.e., for determining the fertile period or pregnancy) consists of: a bibulous absorbant strip impregnated with a non-toxic buffer (A) (to maintain pH 4-5) and a colour indicator (I). The strip is moistened with saliva, or cervical or vaginal fluid. Any colour that develops is further intensified by the addition of a buffer (B) (to maintain pH 9-11). The presence of a colour indicates ovulation or pregnancy. (I) may be alpha-naphthol-N-acetyl-beta-d-glucoraminide, 1- p-nitrocatechol -N-acetyl-beta-d-glucosaminide, 3,3-bis-(p-hydroxyphenyl)phthalid-N-acetyl-beta-d-glucosaminide, or pref. p-nitrophenyl-N-acetyl-beta-d-glucosaminide (II). Safe, simple, reliable test is very accurate, and readily detects ovulation (the fertile period; for conception or rhythmic contraception). Method also allows the diagnosis of pregnancy to be made as early as 10 days after fertilisation.
Patent DE-2516575-A1 (DE)
Title: Circulating rotor pump for domestic central heating - has shaft bore capped at pump end for hydraulic balance
Inventor: JENSEN POUL DUE
IPC: F04D13/06
Filed: 1975-04-16
Abstract: The pump has a casing with an internal wall dividing it into a pump space and a motor space. The wall contains a bearing for the shaft which carries the pump impeller at one end and the motor rotor at the other end. There is a central bore along the length of the shaft with transverse passages on both sides of the rotor windings. The pump end of the shaft carries a cap which has an annular gap between its sides and the shaft through which water coming along the bore in the shaft has to flow. This ensures that the flow of water through the bearing and back through the shaft is hydrostatically balanced so that the motor space is self venting.
Patent DE-2519869-A1 (DE)
Title: Stirling type engine with finned heater - fitted in expansion cylinder with piston, transfer chamber compression piston and recuperator in enclosure
Inventor: TAUSEND ERICH
IPC: F02G1/043
Filed: 1975-05-03
Abstract: The engine has a compression cylinder with piston connected via a heater with an expansion cylinder with piston, and a recuperator. The heater is an externally finned cylindrical element extending into the expansion cylinder. The expansion piston separates the expansion cylinder from a transfer chamber bounded at the other side by the cover of the compression cylinder. The compression cylinder is connected, via overflow tubes with the recuperator and from there to the expansion cylinder. The expansion and compression cylinders are contained in an hermetic enclosure with cover, which also contains a cooling space. Outlet valve connect the transfer chamber to the cooling space, and transfer valves in the compression cylinder cover connect the compression cylinder to the transfer chamber. The compression piston has inlet valves connecting the cooling space to the compression cylinder. The outlet and transfer valves are operated to control power output.
Patent DE-2522629-A1 (DE)
Title: Demountable vehicle number plate light - with two part plastic housing and clip on fitting to vehicle
Inventor: ALBERT KARL
IPC: B60Q1/56
Filed: 1975-05-22
Abstract: The number plate lamp is mounted in a two part plastic housing which clips together with a ratchet fitting. The bottom of the housing has profiled edges which form lips to secure the lamp housing in a hole in the vehicle, with the edge of the lens carrier having a lip to grip the other side of the hole. As the lamp housing is pressed into the hole the outer lips are compressed, securing the other ratchet fitting at the same time. When the lamp is removed for repair etc., the lips move apart releasing the other ratchet, so that the lamp falls apart for easy access. No metal screw fittings or other couplings are required, which would normally seize up over a period. The lamp can be dismantled without any damage.
Patent DE-2523644-A1 (DE)
Title: Acceleration dependent safety plate for projectile fuse - has radial spokes which fail for releasing fuse blocking pin
Inventor: POSTLER GUENTER
IPC: F42C15/24
Filed: 1975-05-28
Abstract: The axial acceleration dependent safety arrangement for a projectile fuse ensures that the locking arrangement is released when the axial accelertion exceeds two thousand times the gravity acceleration. The lock is a sheet metal disc shaped by pressing and is extremely compact. A round sheet metal plate (13, 22, 23, 26) is connected to the locking pin (1). This plate is made especially from copper and beryllium alloy and it has a number of radial slots so that flat spokes are formed. This plate rests within a support (8) as a domed plate and it can slide laterlly in its seat. On actuation under sufficient axial force, the pin (1) pulls the spoked plate along so that its spokes are folded and the plate is pulled through the bore in the seat plate and the guide pin moves along the guide bore (10).
Patent DE-2525203-A1 (DE)
Title: Elastic coupling insert for toilet discharge pipe - has end flange with squashed toothed ring and flap
Inventor: MUELLER ARTUR
IPC: E03D11/17
Filed: 1975-06-06
Abstract: The coupling box is used for connecting the discharge pipe of a toilet cistern to the toilet pan. It is manufactured in an elastic or flexible material in a profiled section. The central part is of smaller dia. than the ends and has sharp teeth which flare outwards, locking the coupling insert around the down pipe when the coupling is pushed onto the pieces to be connected. The inner end of the insert is a ring section (3) which ends in a roughly rectangular cross-section edge piece (5). The toothed ring (4) is situated between an end flange (2) and the first ring (3). The flange (2) on the outside of the coupling juts out over the discharge pipe end, and the lower ring is squashed in the space, providing a seal.
Patent DE-2527034-A1 (DE)
Title: Layered multiple plate prodn. system - has simultaneous cycles of action for feed of materials and processing operations
IPC: B27N3/20
Filed: 1975-06-18
Abstract: A system for production of layered plates uses means of compressing layered materials on a transport sheet with intermediate pressure equalisation cusions and separator papers. The construction is such that during the pressing cycle, unstacking of the press packet is carried out at the unstacking station. A new press packet is constructed at the stacking station. A reserve sheet packet is removed from the emptying basket and transported to either the sheet packet storage box or feed table. Simultaneously, a new packet may be removed from the storage box laid on a transfer table and fed to the emptying basket.
Patent DE-2528686-A1 (DE)
Title: Aircraft safety belt component belt sections - has hose and belt fibre components of different strengths
Inventor: BERGER JOHANN
IPC: D03D11/00
Filed: 1975-06-27
Abstract: The safety belt which is for aircraft includes a hose type section of webbing which has the same mounting as the band or belt section. This section has the rupture stress strength of the component fabrics of the webbing hose and the belt section of different values. The different rupture extension totals of the hose and belt sections of the safety belt system can be expressed as differing values of the rotation of the hose or belt component chain fibres or components e.g. thread, yarn etc.
Patent DE-2530843-A1 (DE)
Title: Drive circuit for transistors and thyristors - ensures fast turn off which is triggered by negative current pulse using inductor and transformer
Inventor: HOEFER LOTHAR
IPC: H03K17/60
Filed: 1975-07-08
Abstract: The drive circuit, for transistors and thyristors, is designed so that the drive current always has a negative pulse peak whenever the transistor or thyristor passes from its conducting to its blocked state. This negative pulse ensures that the transistor turns off as rapidly as possible. This is achieved by connecting the series combination of the collector/emitter path of the transistor switch (4) and an inductor (5) in parallel with the primary winding of the pulse transformer (1) whose secondary is part of the main transistor's (3) emitter/base circuit. A blocking diode (6) is connected between the inductor and the primary. The entire circuit forms the collector circuit of the output transistor (2).
Patent DE-2532133-A1 (DE)
Title: Water cooled engine with wet cylinder liners - has L-section reinforcing rings between liner flanges and housing
Inventor: HUENTEN DIETER DIPL ING
IPC: F02F1/16
Filed: 1975-07-18
Abstract: The water-cooled piston engine has wet liners whose flanges are clamped between a supporting surface on the cylinder housing and the cylinder head. A ring between each flange (2) and the housing (4) is of the L-section reinforcing type (7), pressed or glued into the housing. One of its flanges fits between the outside of the liner (1) and the housing, and the other (6) between the liner flange and the supporting surface (5) in the housing. The ring can be coated with material protecting it against wear, corrision and cavitation.
Patent DE-2532974-A1 (DE)
Title: Adjustable spring for car seat - with adjusting spindle to alter lengths of springs carried on sleeves of transverse rods
IPC: B60N2/50
Filed: 1975-07-23
Abstract: The car seat is fitted with springs (11) which determine the hardness of the suspension. The fitting points for the springs can be adjusted to alter the hardness. The springs are set nearly horizontal and one end of each spring is linked to a sleeve (19). The sleeves are threaded on a transverse spindle (10) via rotating sleeves, so that when the spindle is rotated, the sleeves are moved laterally to increase the spring length. By having the springs at right angles to the load on the seat, an easy manual adjustment is obtained. A fine degree of adjustment is possible without discomfort to the operator.
Patent DE-2533052-A1 (DE)
Title: Plastic closure unit for reaction vessel - acts as storage and metering element for a reagent to be added in the second stage
Inventor: KRANZ THEODOR DIPL CHEM DR
IPC: B01L3/14
Filed: 1975-07-24
Abstract: The closure caps comprises (i) an inner chamber which can be closed off with a hood of elastic material having a concentric core and (ii) a closure element consisting of a bass plate provided with a concentric rod, the top of which has a recess for the reception of the cone. The outer edge of the base plate is adapted to fit into an annular groove on the inner wall of the closure cap. It is partic. used in biological test reactions, e.g. radio immunological and radiometric determination of hormones, etc. in trace quantities in body fluids, e.g. blood. The reagent to be added may be pptg. agent adsorption medium, complex former, etc. A claimed use is the delivery of a matered amt of ion exchange resin in the determination of blood thyroxin content.
Patent DE-2534862-A1 (DE)
Title: Hydrostatic bearing with roller supply throttle - has apertured cylindrical recesses in housing for loose fitting rollers
Inventor: WALTER LOTHAR
IPC: F16C32/06
Filed: 1975-08-05
Abstract: The hydrostatic/aerostatic bearing comprises a shaft (1) arranged in a housing (2) with cylindrical recesses connected through ports (19) to a pressure source. Each recess contains a roller which throttles the flow of pressure medium through the port. A load on the shaft slightly displaces the rollers relative to their ports so that flow through these ports is adjusted to balance the load. The rollers themselves float and may rotate in the recesses. The roller axes are parallel to the shaft axis in the case of radial bearing, whereas, for a thurst bearing, the roller are arranged with axes in a radial direction on the shaft end face.
Patent DE-2544561-A1 (DE)
Title: Ophthalmoscope or fundus camera with fibre optic illumination= - and only indirect illumination of the entrance pupil
Inventor: POMERANTZEFF OLEG
IPC: A61B3/00
Filed: 1975-10-04
Abstract: A contact lens (10, 10') fits on the cornea of a test person through which the inside of the eye can be observed, it is encircled by an inner ring (18, 18') of the optic fibres (38) and with an outer ring (16, 16') of optic fibres spaced from it. The light fibres are arranged in specific positions to form rings of specific radii whereby when the apparatus is in use the tips of the fibres form two predetermined angles for the inner and outer rings. Pref. the numerical aperture of the fibres is 0.55, the I.
Patent DE-2549141-A1 (DE)
Title: Detection of vinyl chloride traces in air - by thermal splitting and measuring hydrogen chloride generated
Inventor: LUEBKE DIRK ING GRAD
IPC: G01N31/22
Filed: 1975-11-03
Abstract: Detection of traces of vinyl chloride (VC) in air by colouration of an indicator paper, impregnated with a reagent, according to concn. gas throughout and contact time of the gas component to be measured. The amt. of colouration is a measure of the concn. The VC is thermally split and the HCl originating serves as a measure for the VC concn. Pref. indicator paper sensitive to HCl is one impregnated with Ag2CrO4, and the thermal splitting of VC without catalyst is at 1200 degrees K, followed by cooling of the gas to be measured to room temp. The error effect on VC measurements due to halogenated hydrocarbons is removed (pref.) by their hydrolytic splitting before the heating and cooling. stages. The appts./procedure may be used, continuously or discontinuously, for the reliable estimation of VC in air at a sensitivity of 1 ppm.
Patent DE-2550416-A1 (DE)
Title: Permanent magnetic excited DC machine stator - has ferrite magnet and flux concentrating inserts for pole faces to form pole arcs
Inventor: VOLKRODT WOLFGANG DR ING
IPC: H02K23/04
Filed: 1975-11-10
Abstract: The stator comprises a steel yoke (4) inside which there is a ferrite cylinder (5). This is magnetised in a radial direction. Inside the bore of the ferrite cylinder are flux gathering plates (6, 7) corresponding to the number of poles, and, radially inward from these, flux concentrating plates (9, 10) of shorter arc. By the use of the gathering and concentrating plates a high effective gap flux density is achieved, which is higher than would be feasible with poles entirely made from permanent magnet material. Additionally the plates provide the formation of a pole arc of requisite length for optimum performance of the machine.
Patent DE-2551286-A1 (DE)
Title: Tube end flanging former - has pair of fixed centre rollers which move radially in sleeves
Inventor: PENTTI OSMO
IPC: B21D41/00
Filed: 1975-11-14
Abstract: Jaws (21) grip the tubular work piece (20) and a rotating and axially movable head accepts the flanged (1) keywayed shank, driving a sliding sleeve (2) mounted with a scrwed adjustable housing (3). The outer end of housing (3) rotates on ball bearing (11) and a nose (7) seating on the clamp jaws (21). The shank and sleeve are forked to hold a sliding block (4) with rollers (5, 6). Axial movement of the rotating tool up to the clamp inserts a roller (6) into the tube (20) bore. The roller (6) expands the tube end and another roller (5) offset axially forms the flange.
Patent DE-2601425-A1 (DE)
Title: Removal of plastics films from refuse - by blowing electrostatically charged refuse into cyclone and withdrawing tangentially
Inventor: HILLEKAMP KLAUS DR ING
IPC: D21B1/02
Filed: 1976-01-15
Abstract: Plastics film is sepd. from a mixt. of films, paper and opt. fabrics, (i.e. the light fraction of refuse in particular) by blowing the mixt. with an eccentrically directed air blast into a chamber and moving it spirally round the chamber axis, whilst drawing off the air in the opposite direction out of the chamber. A peripheral layer which has a higher film content is drawn out through an opening in the chamber wall while the remainder of the solid materials are extracted from the end of the chamber. A dry process, it is used for recovery of materials useful for the paper industry.
Patent DE-2606989-A1 (DE)
Title: Conveying line flow accumulator - includes inclined connecting channel joining conveying lines and fitted with pneumatic closing valve
Inventor: EBERHARD NORBERT
IPC: B65G53/56
Filed: 1976-02-20
Abstract: The unit for linking any number of conveying lines includes an inclined connecting channel (1) by which the conveying lines are joined together. The conveying lines enter the connecting channel by loose good inlet sockets enclosable by plates which are remotely controlled. Each closing plate is suspended elastically at its middle by rubber parts. In their open position the closing plates are outside the stream of conveyed material and are positioned against the inner wall of the connecting channel (1). The connecting channel (1) forms an angle of 30-60 deg. with horizontal plane, with self-regulated equipment for additional air. Each closing plate is attached to a pneumatic cylinder.
Patent DE-2608493-A1 (DE)
Title: Wall flashing water downflow sealing cover strip - comprises displaceable retainers fitting into open metal batten and inserted elastic retainers
Inventor: AMMANN ERNST
IPC: E04D13/14
Filed: 1976-03-02
Abstract: The covering strip serves to seal a wall flashing (w) from water flowing down from the upright part (F) of the building, such as the external wall face. It is designed for rapid and simple installation, with expansion joints, without involving welding, soldering or riveting. The set of components for this includes a metal batten (1), open on one side, for the actual covering strip. Retainer elements (2), displaceable in the lengthways direction, fit into this with a form-locking effect. There are also one-piece connecting elements made of elastic material, for insertion in the metal batten, and these incorporate a bulge-shaped expansion joint seal.
Patent DE-2608952-A1 (DE)
Title: Forming metal-free strips on metallised plastic films for capacitors - with metal grindstones against which film band is pressed
Inventor: WESTERMANN WILHELM
IPC: H01G13/06
Filed: 1976-03-01
Abstract: Process is carried out by pressing the film band with a press. set by regulating band tension against grindstones past which it is moving. The grindstones are amde of metal pref. steel, with sharp roughened edges at their circumferences forming the grinding surfaces. Appts. comprises a re-winder with two rollers between which are reversing and tensioning rollers along the path of the film band. The grindstones may be roughened by sand blasting or by electro-erosion. A narrower grinding surface can thus be used, and the grindstones rotate at high speed without damaging the highly sensitive plastic films.