baber/WOPTO huggingface dataset:
Patent GB-1156371-A (GB)
Title: Improvements relating to Photographic Cameras
IPC: G03B17/34
Filed: 1966-12-22
Abstract: 1,156,371. Photographic cameras. INTERNATIONAL POLAROID CORP. Dec. 22, 1966 [Dec.27, 1965], No.57489/66. Heading G2A. A camera using multi-layer diffusion transfer film assemblies 26 has a processing receiver 14 mounted adjacent an exit aperture 33 in the camera housing 16 through which the exposed assembly is ejected, and means for holding the chamber in either an extended position for receiving an ejected assembly or a folded position adjacent the camera housing. The camera preferably incorporates the pressure rolls 28 and mechanism 32 for ejecting the exposed assemblies described in Specification 1, 156, 372 and uses a plurality of film assemblies for producing mounted transparencies by the diffusion transfer process described and claimed in Specification 1, 156, 374, the assemblies being stacked in a magazine described and claimed in Specification 1, 156, 373. The receiver 14 may consist of an opaque plate 35 against which the ejected assembly is held by flanges 36, the plate having a cut-out 38 so that after processing the used portions of the assembly may be gripped and stripped off to leave a mounted transparency. The chamber 14 is mounted on the camera housing 16 by a pair of arms 40; an arm 44 is pivotally mounted on each arm 40 and attached to a lever 50 held by a spring (48) whereby the chamber is spring-held in both its extended and folded positions. The transport mechanism 32 is rendered inoperable when the chamber is in its fold position Fig. 12 (not shown) by a detent 94 which engages recesses 92 therein; the detent is released when the chamber is in its extended position Fig. 11 due to engagement of arm 40 with a bell-crank 100 which is caused to hold the detent clear of the recesses.
Patent GB-1460451-A (GB)
Title: Production of an electrically resistive metal layer on a substrate
IPC: H01C17/14
Filed: 1973-12-12
Abstract: 1460451 Resistance coatings SIEMENS AG 12 Dec 1973 [5 Jan 1973] 57557/73 Heading H1S [Also in Division C7]  A resistive metal layer is formed as a helical strip on the surface of a cylindrical substrate by bringing a gas, liquid or solid material into contact with the surface and then scanning the surface along a helical path with the focal spot of a laser or an electron beam, the material being thereby thermally decomposed to form the metal layer. As shown a laser beam is focused on to the inner surface of a tubular substrate 4, e.g. of glass. A reflecting metal mandrel may be inserted in the tube to assist in metallization; alternatively two opposite points of the inner surface may be simultaneously metallized. When the material to be decomposed is gaseous or in solution, e.g. a metal carbonyl or acetylacetonate, it flows through the tube during metallization. When the tube is to be divided into individual resistors a deposit of solderable metal may be provided where required by changing the composition of the gas or solution. The division of the tube may be effected by the beam. If the material to be decomposed is solid, e.g. a noble metal resinate, it is previously deposited from a solution as a film on the substrate and the areas which are not burned-on are subsequently removed. Alternatively a laser or electron beam may be focused on the surface of a solid substrate (8, Fig. 2, not shown) which may be of ceramic, glass, quartz or a polyamide, epoxy, polyfluorohydrocarbon or silicone resin. The resistive layer may contain up to 20% non- metallic atoms, e.g. oxygen, boron, nitrogen or carbon.
Patent GB-1338455-A (GB)
Title: Dental patients chairs
IPC: A61G15/02
Filed: 1971-12-17
Abstract: 1338455 Dental chairs KALTENBACH & VOIGT 17 Dec 1971 [29 Dec 1970] 58813/71 Heading A4J [Also in Division G1] A dental chair is provided with an electric  control system (see Division G1) arranged such that manual adjustment of a head rest enables the rest of the chair to be automatically positioned  relatively to the adjusted position of the head rest.
Patent GB-1403316-A (GB)
Title: Machine for inserting pins in a cylindrical pattern drum for a circular knitting machine
IPC: D04B37/04
Filed: 1973-12-19
Abstract: 1403316 Knitting machines NUOVA SAN GIORGIO SpA 19 Dec 1973 [22 Dec 1972] 58814/73 Heading D1C A machine for automatically inserting pins in a pattern drum 12 of a circular hosiery knitting machine comprises a pin holding magazine 13 equipped with a plurality of rows of pins 14 corresponding to rows of holes 57 in the drum 12 and adapted to be raised stepwise in synchronism with rotation of the drum so as to bring at each step a row of pins into alignment with a row of holes 57, a plurality of pushers 38 each adapted to push one of a row of pins into a corresponding hole 57, and control means for controlling the operation of the pushers in synchronism with the stepwise movement of the magazine and drum. In the embodiment shown the control means comprises a punched card 2 which is raised stepwise in synchronism with the magazine and drum and is read, four rows at a time, by a photoelectric readout device 3 which controls electromagnets 4 to 7 and these in turn raise or lower rods 56 by means of levers 8 to 11 so as selectively to cover or expose the individual holes 57 in the drum. The machine is driven by a motor 15 with an intermittent drive 18, 19 to a shaft 20 which raises the punched card 2 and magazine 13 in a 4 to 1 ratio by rack and pinion drives 25, 27 and 26, 28. The pushers 38 are slidably mounted with biassing springs 73 in a slider 37 which reciprocates under the action of an eccentric drive 30 to 36. In alternative embodiments the readout device 3 may be mechanical and the punched card 2 replaced by a perforated tape.
Patent GB-1317920-A (GB)
Title: Data transmission system
IPC: H04J11/00
Filed: 1970-12-11
Abstract: 1317920 Digital transmission systems INTERNATIONAL BUSINESS MACHINES CORP 11 Dec 1970 [30 Dec 1969] 98901/70 Heading H4P In a digital transmission system input data is supplied to the transmitter at a rate n/T (n>1). The transmitter transmits the data in n overlapping frequency bands. The bands are centred on frequencies fc1, fc2...fcn. A first transmission channel comprises those frequency bands centred on fc1, fc3..., these bands not overlapping. A second channel comprises the remaining non-overlapping bands. In the first channel doublets of the form a, a are transmitted, each doublet representing an element of the input data. In the second channel the doublets are of the form c, - c. Each doublet has a duration 2T. The embodiment described employs 2 frequency bands, i.e. n=2, each comprising orthogonal carries. In the transmitter the input data elements, e.g. A1, B1, C1, D1, each of duration T/2 are converted to the doublet form al, a1; b1, b1; c1, - c1; d1, - d1. The first two doublets are modulated on respective orthogonal carriers of frequency fc1, and the second two on orthogonal carriers of frequency fc2. The modulator outputs are summed and pass to the receiver. The received signal is passed both direct and via a delay of duration T to an analogue adder and to an analogue subtractor. The analogue circuits feed respective identical circuits each comprising a pair of demodulators fed by the appropriate orthogonal carriers derived from the received signal. The demodulator outputs pass via low pass filters to respective detectors which provide output signals A1, B1, C1, D1. Four-phase coding may replace the orthogonal frequencies.
Patent GB-1246028-A (GB)
Title: Hollow charge rocket
IPC: F42B1/024
Filed: 1969-12-11
Abstract: 1,246,028. Hollow charge rockets. LES FORGES DE ZEEBRUGGE S.A. 11 Dec., 1969 [27 Oct., 1969], No. 60562/69. Heading F3A. A rocket projectile having a hollow explosive charge 9 provided with a conical liner 7, is characterized by a deflecting element 10 embedded within the charge 9 at the end thereof remote from the liner, this element being in the form of a truncated cone the larger base of which is directed toward the liner and the smaller base toward a pin-point detonator 11. Preferred proportions are as follows: the bases are joined to the conical surface 29 by torusshaped connecting surfaces 30 of radius d 1  preferably between one and two times that of the smallest distance d 2  separating the element from the wall. The circle of intersection of the conical surface and the larger base coincides with the inner wall of the rocket casing. The distance d 3  from the larger base to the tip 8 of the liner is at least half the calibre b. Dimension d 2  is at least about <SP>1</SP>/ 15  of the casing inner diameter a. Distance d 1  between the two bases is at least “ the casing outer diameter b and preferably lies between half the inner and half the outer diameter. The inner surface of the casing has a conical surface 29<SP>1</SP> facing the conical surface 29 of the element. The element is preferably of metal but may be of synthetic material. The pin-point detonator 11 comprises a charge housed in a metal case having a cylindrical section 21 extended by a conical section 22 which is inserted into a corresponding recess in the explosive charge 9.
Patent GB-1271537-A (GB)
Title: Method of generating substantially stable fogs
IPC: A01G13/06
Filed: 1969-12-17
Abstract: 1,271,537. Evaporators, submerged flame type. APPLIED TECHNOLOGY CORP. 17 Dec., 1969 [30 Dec., 1968; 12 Dec., 1969], No. 61460/69. Heading B1B. [Also in Division Al] An apparatus for producing a substantially stable artificial fog in which the individual water particles are coated with a monomolecular layer of evaporation retarding chemical comprises a container 1 into which a controlled quantity of water is admitted by a float valve and into which a submerged flame combustion unit is partially immersed. This unit comprises a mixing tube 13 with an aperture 16 through which compressed air from duct 15 passes, a burner nozzle 14, and a fuel inlet 17. The downwardly directed flame is contained in combustion tube 22 and the combustion gases pass through the water between tube 22 and shroud 23 so producing steam, which leaves the shroud through apertures at the top. A relative quantity of a long chain monohydric fatty alcohol of 16 carbon atoms or more such as in bena decanol is added to the water such that the ratio of the rates of evaporation is equal to the ratio of respective vapour pressures. Emulsifying and chelating agents are also added.
Patent GB-2006093-A (GB)
Title: Moulded timepiece part
IPC: G04B15/14
Filed: 1978-10-13
Abstract: Plastics part for a timepiece, e.g. a spindle and gear assembly or a spindle and escapement lever assembly is moulded in such a way that the spruce is located at a connecting portion 24a between the spindle 24 and the gear 24d or lever. The lever may be provided with recesses or slots to reduce distortion by forces of contraction. <IMAGE>
Patent GB-2009546-A (GB)
Title: Television receiver IF and detector arrangement
IPC: H04N5/44
Filed: 1978-10-27
Abstract: A television receiver I.F. circuit arrangement has an integrated circuit package which includes a surface acoustic wave filter 2 having two outputs one 3 for video I.F. and the other 4 for sound I.F. and two detectors 6,9 are provided for vision and sound respectively. An input to both mixers 6 and 9 is derived from the video I.F. signal output from an amplifier 5 via a limiter 7. The detected video output of mixer 6 is fed via an a.g.c. amplifier 9 to provide a.g.c. for amplifier 5. The sound I.F. signal is limited at 10 and a detected sound signal output is obtained from mixer 9. The surface acoustic wave filter 2 has an input transducer 13, Figure 2, coupled via a directional coupler 19 (1) to an output transducer 20 having a bandwidth covering the chroma and luminance sub-carriers but in which the sound sub-carrier is attenuated by about 20db and (2) to an output transducer 26 which provides sound I.F. signals. <IMAGE>
Patent GB-2009095-A (GB)
Title: Pivotal Adjustment of Lifting Tools
IPC: A01D87/00
Filed: 1978-11-21
Abstract: A device for adjusting the position of a lifting tool (3) pivotally mounted at connections (2) on two pivotal lifting arms (1) comprises a supporting arm (7) pivotally connected to the tool (3) at a pivot connection (5) on the same axis as the connections (2). The supporting arm (7) is located in a fixed position relative to the lifting arms (1) by a support (10) and carries a drive element, such as a hydraulic cylinder (8), which extends between the supporting arm (7) and the tool (3). When the cylinder (8) is actuated the tool (3) pivots relative to the lifting arms (1). The device may be incorporated in a bale-loader carried by a vehicle. <IMAGE>
Patent GB-2037263-A (GB)
Title: Method of making a silicon carbide filamentary reinforced silicon composite article
IPC: C04B35/80
Filed: 1978-12-12
Abstract: A shaped silicon carbide-silicon matrix composite is prepared from a confined carbon fiber preform which is infiltrated with sufficient molten silicon metal at a temperature in the range of from 1400 DEG C to 1800 DEG C in an inert atmosphere or vacuum.
Patent GB-2029628-A (GB)
Title: A method for transmission of audio signals and transmission media
IPC: H01B11/18
Filed: 1979-09-30
Abstract: Audio signals are transmitted over lines (a) between at least half of which no dielectric exists (Figure 9), or (b) at least half of which are formed in the same pattern, on both sides of an insulating substrate. An audio cable may be either woven with at least two warp conductors 92, 93 and woof dielectric threads 91, or a metal spiral 41 with an outer fiber material and/or thermoplastic insulator 44 and two air-paced conductors 35, 36 within the metal spiral 41. <IMAGE>
Patent GB-2042591-A (GB)
Title: Preventing distortion during sintering of hard metal
IPC: B22F3/10
Filed: 1979-02-21
Abstract: A process for the production of elongated, relatively slender, hard metal workpieces, comprises placing the workpiece 1 onto a backing disc 5 of precalcinated charcoal, metal oxide or similar material located at or near one end of a bore of a sleeve 3 of charcoal or similar material, with elongated supporting wedges 7 are located axially between the bore of the sleeve and the mantle surface of the workpiece. During sintering supporting wedges are biased to move during shrinkage so as to remain in contact with the said mantle surface from deforming during shrinkage.
Patent GB-2014873-A (GB)
Title: Dialysis composition and method for removing uremic substances from blood
IPC: A61K31/74
Filed: 1979-02-26
Abstract: A dialysis composition for adsorption of uremic substances in an artificial kidney comprises a cation exchanger suspended in a suspending agent. A more particular example of such a composition comprises a surface adsorptive agent capable of adsorption of uremic substances e.g. charcoal; an enzyme to serve as a catalyst for urea degradation; a suspending agent such as aqueous methylcellulose, hydroxyethyl starch or dextran; and a cation exchanger capable of being suspended in said suspending agent e.g. a zeolite. A method for removing uremic substances from blood during hemodialysis with the above compositions is also described.
Patent GB-2046090-A (GB)
Title: Flame trap
IPC: F01N3/04
Filed: 1979-04-12
Abstract: A flame trap comprises a housing 13 in which there can be mounted one or more generally cylindrical flame trap cartridges 14. The housing is mountable in an engine intake or exhaust system 12 in such a manner that gas flow follows a radially extending path through the or each cartridge 14. The or each cartridge may include one or more passages for cooling fluid, and the gas flow path in the or each cartridge may be provided by porous material, for example expanded metal foam. <IMAGE>
Patent GB-2049521-A (GB)
Title: Improvements in or relating to cladding a metal substrate by arc welding
IPC: B23K9/04
Filed: 1979-04-17
Abstract: A method of cladding a metal substrate by arc welding comprises the steps of supplying electrical energy to a metal substrate to be clad as a first electrode, moving a welding head along the substrate at a controlled rate, feeding to a weld point adjacent said head, as a second electrode, a consumable electrode strip comprising a sheath of sheet metal containing a core of metal powder, and feeding flux on top of a weld bead formed of molten metal at the welding point. The strip may be pre-formed or, as shown, formed immediately ahead of the welding point from a flat strip of metal (14) by means of rollers (16,22) to enclose powdered metal from a feed hopper (20). An additional powder-cored strip may or may not be electrically energised. <IMAGE>
Patent GB-2026462-A (GB)
Title: Method and apparatus for the biological removal of nitrogen from waste water
IPC: C02F3/28
Filed: 1979-05-22
Abstract: In a method for purifying and clarifying waste water, the waste water is passed through a conventional mechanical-biological clarification plant (1, 9, 12) and thereafter ammonia contained in the waste water is oxidised to nitrate in a nitrification stage (14) and thereafter the nitrate is reduced to gaseous nitrogen in a denitrification stage (15), the stages (14 and 15) being separated from one another, the waste water passing successively through such stages directly or indirectly, and the nitrification stage and the denitrification stage being operated in accordance with the immersion percolating filter body method, in which the growth surfaces of the filter bodies are at least half immersed in the waste water and rotate. <IMAGE>
Patent GB-2036227-A (GB)
Title: Self-locking screw
IPC: F16B39/30
Filed: 1978-11-01
Abstract: A self-locking screw is provided with a slit (4) radially cut along the top portion of the screw thread (2). The flank angle (3) of the screw thread (2) is less than the flank angle (8) of the screw thread (7) of a cooperating screw (6), so that the screw thread (2) is elastically deformed by engagement with the screw thread (7) along a direction making the slit (4) narrower. As a result, the side surfaces (2a) of the screw thread (2) are coherently pressed onto the side surfaces of the screw thread (7), causing a strong friction between them and providing for good anti-loosening ability.
Patent GB-2027733-A (GB)
Title: Navy Blue Disperse Dyes, Dyeing Preparations and Compositions Containing Them, Process for Their Preparation and Their Use for the Dyeing or Printing of Synthetic Fibre Materials
IPC: C09B29/085
Filed: 1979-08-01
Abstract: The invention provides a disperse dye of the general formula   <IMAGE>  wherein   X represents a chlorine or bromine atom,   R1 represents an alkyl radical having from 1 to 4 carbon atoms, and   R2 represents a methyl or ethyl group. These dyestuffs may be used for dyeing and printing synthetic fibre materials, especially polyester fibre materials. They are superior to analogous dyestuffs having an acetylamino group in place of the propionylamino group in that they give colourations of distinctly lower abrasion and with no deposits when applied onto packages. They have a good fastness to light and to waste gases and they also have a good build up. They may be used for fast dyeing processes and for colouring the polyester portion in polyester-wool blends.
Patent GB-2029784-A (GB)
Title: Improvements in or Relating to Tractive Vehicles
IPC: B62D61/10
Filed: 1979-08-31
Abstract: A tractive vehicle capable of operation in both directions of travel and capable of surmounting obstacles and of maintaining adhesion over a wide variety of surfaces comprises a frame, a plurality of oleo-pneumatic struts 5 mounted on the frame for rotation on their respective axes 6, a plurality of ground-engaging wheels 8 rotatably mounted on the struts at the lower ends thereof so that said rotation of the struts effects steering movement of the wheels, and a hydrostatic drive for the wheels including a prime mover on the frame and a plurality of hydrostatic motors on the respective struts at the lower ends thereof and drivingly coupled to the respective wheels. There is thus provided a vehicle with its wheels all driven, all steerable and all independently suspended. <IMAGE>
Patent GB-2036276-A (GB)
Title: Method of separating a solid and liquid phase of a mass
IPC: B01D3/00
Filed: 1978-08-10
Abstract: This specification describes a method of separating a fine-grained close-packed solid material from a liquid with which the fine-grained material is saturated. The material may by way of example consist of grindings; metal-containing pickling bath deposits; or metal oxides from metallurgical venturi-filter. The most mixture (1) is packed in a container (2) which thereafter is closed and heated from underneath. The liquid is evaporated starting from the lower portions in the container and forces liquid from the upper portions towards the surface of the paste-like mixture, wherefrom collected liquid (9) can be removed. Common oil drums can be used as containers. When the liquid has been removed the containers with enclosures can be charged in metallurgical furnaces or can the material be dumped together with waste material without any effects detrimental to the environment.
Patent GB-2033255-A (GB)
Title: Plastics Coating Sheet Material
IPC: D06N7/00
Filed: 1979-10-09
Abstract: Carpets are provided with a plastics backing by extrusion at 2 followed by passage over suction means (3) which draws the plastics material (P) against and between the fibres of the carpet base (1). The composite (1, P) is then cooled to solidify the plastics material and bond the plastics to the carpet back (1). <IMAGE>
Patent GB-2034428-A (GB)
Title: Brake position indicator switches
IPC: F16D66/00
Filed: 1979-10-15
Abstract: A switch arrangement in a brake actuating assembly indicates brake operation. The switch assembly comprises a switch (6) having three positions indicating respectively three separate braking conditions, namely the inoperative condition of the brake, the normal operative condition of the brake and an excessive-travel condition of the actuating assembly. The switch has three separate contacts (9-11) representing respectively the braking conditions and a further contact (5) which is engageable with the separate contacts to indicate any one of the particular conditions. <IMAGE>
Patent GB-2062239-A (GB)
Title: Detection of body tissue movement
IPC: A61B5/05
Filed: 1979-10-27
Abstract: The detection of movements of segments of the heart muscle for the detection of coronary and arterial abnormalities is dealt with. The apparatus includes a probe, preferably in the form of a detector plate 32, utilizing electric field measurement for detection of movements of a nearby segment of the body tissue, as for example, a segment of the heart muscle. The detector plate is coupled to a variable-frequency oscillator 39 and phase-lock system for measuring capacitive change used to shift the phase of the oscillator when the detector is placed with respect to a certain body tissue. The phase-lock system comprises a signal buffer to a phase comparator 42, a voltage controlled oscillator 44, a low pass filter 46 and an amplifier 48. The apparatus employs a system of timing heart movement in that the detector is capable of sensing and recording (30) a signal having a low frequency component which provides information regarding tissue movement. The detector also senses and records (62) a high frequency component of the signal which represents closure of heart valves and thereby establishes a timing cycle for heart movement so that contraction and relaxation movements of the heart tissue can be measured in terms of the timing cycle of the heart. A filter 58 in the apparatus separates the high frequency components from the low frequency components so that information regarding relaxation and contraction may be recorded simultaneously with the timing cycle of the heart movement. <IMAGE>