baber/WOPTO huggingface dataset:
Patent GB-991121-A (GB)
Title: Improvements in or relating to apparatus for vacuumising, gassing and closing heat-sealable bags and other containers
IPC: B65B31/02
Filed: 1961-10-27
Abstract: 991,121. Packaging-machines. C. PIRRO. Oct. 27, 1961 [Nov. 9, 1960], No. 38569/61. Heading B8C. In an apparatus for vacuumizing, gassing and closing heat-sealable bags and other flexible, semi-rigid or rigid containers, each of a series of ten chambers receives a container dropped from a passage 11 at position 3, Fig. 1, the chamber with its top door 12 now closed and the container therein is subjected in positions 2, 1, 10 and 9 to vacuum produced by one of a series of pumps 16 which rotate with the chambers, inert gas from a line 24 is then introduced into the chamber and container to break the vacuum, in position 8 electrically-heated knurled jaws 14 seal the container, in position 7 the top door 12 is opened to allow the weld to cool, and in position 6, the lower door 13 is opened ejecting the container on to the conveyer 29 and is then closed preparatory to reception of a further container at position 3. The series of chambers may rotate about a vertical, an inclined or a horizontal axis with a rhythmic advancing or continuous motion, and the evacuation and introduction of inert gas may be repeated a number of times in a single rotary movement of a chamber. The valves 15 and 22 controlling the vacuum and the supply of inert gas, respectively, may be operated automatically and one vacuum pump 16 may communicate with two or more adjacent chambers. The apparatus may deal with 1,800 bags per hour, eliminating 99% of the oxygen initially present in them either by direct evacuation to 1/25 atm. or by two successive evacuations to 1/5 atm. with intermediate introduction of inert gas to bring the chamber back to atmospheric pressure. The preservation of powdered milk, grated cheese, roasted coffee, dehydrated vegetables, biscuits and tomato powders is mentioned.
Patent GB-1437125-A (GB)
Title: Well mapping apparatus and method
IPC: E21B47/022
Filed: 1973-08-15
Abstract: 1437125 Measuring borehole inclination and tilt electrically: borehole clinometers APPLIED TECHNOLOGIES ASSOCIATES 15 Aug 1973 38610/73 Headings G1F and GIN Apparatus 12 for determining azimuth and tilt of a borehole or well comprises a rate of turn gyroscope 20 producing an output which varies as a function of azimuth orientation of the gyro relative to the earth's spin axis. The gyroscope includes a rotor having a spin axis (SRA) and means to support the gyro for travel along a borehole or well and to rotate it about a further axis extending generally in the direction of the borehole or well, the tilt of the hole also being determined by an accelerometer 26 arranged for rotation with the gyroscope 20 about axis 24 parallel to the longitudinal axis of the housing 18 of the apparatus. As seen in Fig. 3 the rotation of the gyro about axis 24 causes its signal output 39a to be a maximum when the spin reference axis SRA passes through the North- South longitudinal plane and to be zero when that axis is normal to that plane. The accelerometer output 45 is maximum when the gyro output indicates South or North alignment. Further the accelerometer output is greater when the tilt angle increases and vice-versa.
Patent GB-1272356-A (GB)
Title: Tunnelling machine
Inventor: BOLOTIN EVGENY MOISEEVICH
IPC: E21D9/08
Filed: 1970-08-11
Abstract: 1,272,356. Tunnelling machines. MOSKOVSKY MEKHANICHESKY ZAVOD GLAVTONNELMETROST-ROYA. 11 Aug., 1970 No. 38613/70. Heading E1F. In a tunnelling machine in which a rockcutting member 4 is rotatably supported by roll means 11 on a frame mounted within a shield 1 and is restrained against movement relative to the frame 1 along the axis of rotation of the member by a lock nut-carrying stub shaft 8 passing through an opening 6 in the frame, the opening is of a size that the clearance between it and the shaft permits of movement of the member in a vertical direction transverse of the axis of rotation thereof on operation of one or more pistoncylinder actuators 20 installed between a roll and the frame to ensure of correct meshing of the driven element 15 of the member 4 with the driven members 14 of frame-mounted motors 13.
Patent GB-901968-A (GB)
Title: Automatic scanning control for a phonographic record device
IPC: H04M1/65
Filed: 1958-12-01
Abstract: 901,968. Magnetic recording &c. apparatus. GENERAL TELEPHONE LABORATORIES Inc. Dec. 1, 1958 [Dec. 6, 1957], No. 38688/58. Class 40 (2). [Also in Group XXXIX] A recorder for automatically providing telephone messages (see Group XXXIX) uses a magnetic disc 17, scanned spirally outwardly on a motordriven turntable 6 by a transducer 20 moving about an axis defined by the post 21. Swing- ing in correspodence with the head 20 is a pin 26, which engages a cam 27, driven by an auxiliary motor 32. The turntable is started by the user to record a message on the record or by a telephone ringing circuit for playback to a caller and contact means 42 actuated once per revolution of the turntable, starts the motor 32 such that identical tracks on the record are scanned each time, slippage of the record being prevented by a drive pin 18. In another embodiment (Fig. 4, not shown), the arm 19 is turned by the main motor via a friction drive, but not until a holding solenoid, restraining the arm, but deenergized once per revolution of the turntable, allows it to commence scanning. Contact means, set by the user when making the recording, operate at the end of the playedback message to reset the machine for the next caller.
Patent GB-1059649-A (GB)
Title: Electrophotographic development method and apparatus
IPC: G03G15/095
Filed: 1964-09-23
Abstract: 1,059,649. Electrophotographic development. RANK XEROX Ltd. Sept.23, 1964 [Sept. 27, 1963], No. 38769/64. Heading G2H. Toner powder, which may comprise oppositely charged particles, is deposited on electrophotographic plate (1) by toner dispenser (2). Excess powder which does not adhere to the surface is blown off by nozzle (5) collected by dust collector (10), and fed to dispenser (2) through separator (11).
Patent GB-1512735-A (GB)
Title: Formable plastic-metal laminates
IPC: B32B15/08
Filed: 1975-09-25
Abstract: 1512735 Laminates BASF AG 25 Sept 1975 [26 Sept 1974] 39262/75 Heading B5N A formable laminate comprises a base of fibre-reinforced plastics material and a metallic foil bonded to one or each surface of the base, the or each foil consisting of a metal having a thickness of foam 10 to 2,000 Ám and an elongation at break (measured by DIW 53, 455) of more than 10%. The foil, which may be bonded to the base by an adhesive e.g. a carboxylcontaining olefin copolymer may be formed of aluminium, copper, lead, tin, magnesium or an alloy of at least two said metals. Fibres specified for use as the reinforcement are those of glass, carbon and graphite, exemplified plastics materials being polyolefins, styrene polymers and polyamides. The laminate may be made continuously by the method of Specification 1,451,824 by extruding the plastics between heated glass fibre mats at 150 to 300‹C and passing the resultant assembly together with a metal and an adhesive film through pressing means where the final assembly is cooled under pressure, a decorative layer being optionally applied to the outer surface of the metal foil at the same time.
Patent GB-1087141-A (GB)
Title: Preparation of wood for bending
Inventor: TURNER NORMAN
IPC: B27M1/02
Filed: 1963-10-04
Abstract: 1,087,141. Woodworking. NATIONAL RESEARCH DEVELOPMENT CORPORATION. Oct. 2, 1964 [Oct. 4, 1963], No. 39280/63. Heading B5L. A method for modifying the mechanical properties of wood in the preparation of a billet of wood, or portion thereof, for bending comprises a combination of a hot softening treatment and a compression longitudinally along the grain while supported peripherally by a wall of which every element remains substantially at rest in relation to the adjacent wood surface throughout the compression. The billet 11, Fig. 1, after subjection to heat and moisture is placed inside the coiled spring 12 of a jig, the spring being supported on a base 15 having uprights 16 which are threaded at their upper ends and carry an upper plate. The free length of the spring is the same or a little greater than that of the billet and both are compressed between a ram 13 and platen. The billet may be released as soonas compression is completed or maintained compressed for a predetermined time by tightening nuts 19 against the upper plate 18. In an alternative jig more suitable for billets having crosssections which are other than circular, the billet 21, Fig. 2, is disposed in apertures having a shape corresponding to the cross-section of the billet in a plurality of plates 20 which are resiliently urged apart by springs 30 and guided on columns 26 extending from a base plate 25. During longitudinal compression of the billet, the plates remain at rest in relation to the adjacent surface of the billet, the springs being compressed. The billet may be subjected to more than one compression and immediate release and flexibility may be increased by resteaming the billet while under compression. The flexibility of veneers, plywood and laminated wood may be increased by compressing the logs in jigs as described before converting to veneer. A tapered and turned back foot for a chair may be produced by softening by steaming the middle length of a billet, compressing the middle length of the billet which is then immediately released, drying to a moisture content of 15%, machining to profile, and bending between male and female jigs.
Patent GB-1378667-A (GB)
Title: Ion implantation
IPC: G21K1/00
Filed: 1972-08-24
Abstract: 1378667 Automatic control of ion implantation WESTERN ELECTRIC CO Inc 24 Aug 1972 [24 Aug 1971] 39378/72 Heading G3N [Also in Division H 1] In a method of ion implantation, the ion current arriving at a sample is measured and used to control the exposure. Relative movement of the sample and the ion beam is determined by a program and is servo-controlled. As shown, a sample 10 on a movable holder 11 is exposed to an ion beam 12. The ion current charges a capacitor 18 until a voltage sensor 17 is triggered to supply a stepping pulse to a counter and displacement command generator 14, and reset the capacitor 18 by discharge to earth. A program stored in generator 14 supplies signals to circuits 13 for controlling the movement of the holder 11 in a plane perpendicular to the beam 12. The actual position of the holder, measured by a laser or otherwise, is compared with the programmed position in a comparator 21 to produce movement correction signals if necessary. The correction signals may be produced by a bridge circuit. Continuous variations in implantation density may be obtained by controlling the speed and acceleration of the holder 11 in conjunction with the use of a mask 31.
Patent GB-1003125-A (GB)
Title: Remote control apparatus
IPC: F16C1/26
Filed: 1961-11-03
Abstract: 1,003,125. Bowden mechanism; flexible shafts and conduits. TELEFLEX Inc. Nov. 3, 1961 [Nov. 3, 1960], No. 39442/61. Headings F2K, F2P and F2U. The conduit for a remote control wire 24 transmitting axial and/or rotary motion comprises a ribbon 32, e.g. of steel, provided with holes 38 connecting a series of short tunnellike protrusions 36 formed alternately on opposite sides of the ribbon, and a surrounding sheath 34 of antifriction material which depends into contact with the wire 24 between the protrusions 36 to form a discontinuous bearing surface for the wire. The sheath may be of plastics such as nylon, linear polyethylene, polyester or p.t.f.e. The control may be used, Fig. 1 (not shown) for opening an automobile air vent. Specification 705,792 is referred to.
Patent GB-942989-A (GB)
Title: A device for varying the inclination of the back of a seat on, for example, motor vehicles and the like, and a seat provided with said mechanism
IPC: A47C1/026
Filed: 1962-10-19
Abstract: 942,989. Angularly adjustable chair backs. ALFA ROMEO S.p.A. Oct. 19, 1962 [Dec. 28, 1961], No. 39608/62. Heading A4J. A device for varying the inclination of the seat back B comprises a spring- loaded lever 12 carried by a U-shaped member 6, which is integral with a peripheral seat member 2, the lever 12 having a cam shaped end 19 for the purpose of controlling back locking and releasing means in the form of a rod 20 pivotly connected to the back B at 21 and passing through the U-shaped member 6. The lever 12, which is pivoted to a pin 16, is connected to a spring 24 to a fixed part 4. The spring tends to pull the lever 12 so that the cam 19 presses against the rod 20 and engages one of several notches 23 in its lower surface with pin 18. To release the back B the lever 12 is pushed to overcome the force of the spring 24. The lever may be pivoted to the lower pin 18 and the rod 20 have notches on its upper surface or the cam 19 may co-operate directly with the notches 23 formed on the upper surface of the rod 20. Also instead of notches 23 the rod or the cam itself may be clad in friction material. A spring which is attached to the back B causes it to move to the upright position when the device is disengaged and also small spring raises the rod from engagement with the second pin.
Patent GB-342480-A (GB)
Title: Rotary rigs for drilling wells
IPC: E21B3/02
Filed: 1929-12-28
Abstract: 342,480. Borehole apparatus. PENNINGTON, H., 1541, West Mulberry Street, San Antonio, Texas, U.S.A. Dec. 28, 1929, No. 39643. [Class 85.] Rotary well drilling plant comprises a common drive shaft, driven shafts parallel thereto and directly coupled to devices which they operate, and separate variable speed gearings between the drive shaft and the driven shafts so that the speeds of the latter may be adjusted independently of each other. A portable frame 1 carries a prime mover 2 which through a clutch 8 drives a shaft 10 centrally arranged in a gear casing 11 and carrying gears 14, 15, 16 ; square shafts 17, 18, 19 are arranged around the shaft 10 and each carries a slidable gear cluster 20 adapted to be engaged with the gears 14, 15, or 16 whereby each shaft may be driven at variable speed. The gear clusters 20 are independently controlled through members 25 and slidable rods 24 with notches 27 for engagement with spring locking means 28. The shaft 17 drives hoisting drum 45 through bevel gearing 33, 34, shaft 36, gears 38, 39, and a clutch controlled by lever 46. The shaft 18 drives the rotary table 54 through universal joints 52, 53, and the shaft 19, through gearing 57, 58, drives a sludge pump 59 ; the shafts 18, 19 also project at 55, 60, through the opposite end of the gear casing 11 to drive auxiliary apparatus. When in use, the frame 1 is secured on the derrick sill.
Patent GB-990403-A (GB)
Title: Process of treating red slurries
IPC: C01F7/066
Filed: 1962-10-19
Abstract: Ferroso-ferric oxide, Fe3O4, is obtained from "red slurry," the residue obtained in processing bauxite by the Bayer method, by filtration of the slurry until its water content is below 30%, calcination of the insoluble material, reduction of the hot Fe2O3 to Fe3O4 with reducing gas, cooling, grinding and magnetic separation. Oxides of aluminium, titanium, vanadium, chromium, silicon and manganese may be isolated from the non-magnetic fraction.  Anionic flocculating agents may be added to the crude slurry to assist filtration and water may also be removed by natural evaporation. Calcination may be carried out at 300-750 DEG  C. in a fluidized bed, with hot gas produced by air combustion of fuel in the same or a different fluidized furnace bed.  The exhaust calcination gas may be passed through a cyclone separator to trap entrained solids. Reduction may take place in the same or a different furnace by treatment at 350-750 DEG  C. with a gas mixture <PICT:0990403/C1/1> containing 20% total of CO and H2.  This can be prepared in the reduction furnace or in a separate unit by partial combustion of a fluidized fuel bed in air or oxygen, and in the latter case is cooled and re-heated by contact with the reduced material.  A stoichiometric excess of the reducing gas may be used.  The exhaust reducing gases may be burned and the heat used to dry the initial red slurry.  The material from the cyclone may be reduced in a separate furnace suitable for finer materials. The discharged material is cooled either by contact with the entering reducing gas or with water and may be ground to 0.2-0.05 mm. before magnetic separation.  Both grinding and separation may be carried out under either wet or dry conditions depending on the method of cooling.  The magnetic material may be pelleted whilst the non-magnetic fraction is roasted with Na2CO3 and CaCO3.  Sodium aluminate is leached out of this mixture with dilute alkali and titanium sulphate solution is obtained by leaching with H2SO4 of more than 50% concentration. From these solutions Al2O3 is obtained by the Bayer process and TiO2 is obtained by hydrolysis respectively. Oxides of other metals can be extracted from the solid residue. In Example 1, dried red slurry enters furnace FLF, heated by burner Br, at feeder A and is calcined by hot air GR. The product is collected from the fluidized bed and from the cyclone Ci. Reduction takes place in the same furnace, the input flow being controlled hydraulically. Reducing gas GR is in 10-40% stoichiometric excess.  After magnetic separation the extraction of TiO2 is by H2SO4 at above 80 DEG  C. followed by hydrolysis at above 100 DEG  C.  In Example 2 calcination and reduction are carried out in a single operation.
Patent GB-1133409-A (GB)
Title: Mechanical focus maintaining apparatus for a slide projector
Inventor: BADALICH FRANK CYRIL
IPC: G03B21/53
Filed: 1967-08-31
Abstract: 1,133,409. Slide projectors. BELL & HOWELL CO. Aug.31, 1967 [Sept.28, 1966], No.39809/67. Heading G2J. Apparatus for maintaining the focus of a slide projector when the slide film "pops" comprises a pivoting slide holder 65 lightly spring-biased by spring 69 towards a meniscus lens 23 biased in its frame 27 towards a fixed stop 38 by a much stronger spring 31, the frame 27 being cammed out of contact with the film when slide-changing takes place. Stop 38 is the upper horizontal rail of the manual slide changing pusher, and is engaged by a limit screw 33. Cam surface (45), Fig.2 (not shown) on rail (38) engages screw (33) as the pusher is withdrawn and tilts frame 27 about pivot 29, ears (71) limiting the forward tilt of holder 65 as the lens is removed. When the slide "pops", holder 65 is pivoted somewhat while the lens 23 remains stationary and in contact with the film. The meniscus lens is tilted away from the film before the slide commences the slide-changing movement by a lost-motion connection between slide and pusher. This connection is made by a spring-loaded tip (47) of the lower rail (39) of the pusher, Fig.1 (not shown), allowing a further displacement of the pusher after the slide reaches the projection position, this displacement disengaging cam (45) from frame 27, and allowing lens 23 to engage the film. A shutter (49), Fig.1, is pushed by the slide as it enters the slide tracks (61, 63), Fig.1, and is withdrawn to cover the gate as the pusher is withdrawn, a pin on rail (38) engaging a recess in a wire member attached to shutter (49) with a lost motion contact. Rail 38 is thus able to move sufficiently to cam the lens away from the film before shutter 49 pushes the slide out.
Patent GB-1020884-A (GB)
IPC: C21D3/02
Filed: 1962-10-22
Abstract: Non-ageing steel for deep drawing is produced by tapping steel of the following composition by weight: .C.less than 0.1 .Mn.0.2-0.8 .P.less than 0.03 .S.less than 0.03 .Cu.less than 0.2 .Fe and impurities balance,. vacuum degassing, casting either in air, vacuum or inert atmosphere, cold rolling to sheet and annealing in wet hydrogen to reduce the carbon content to less than 0.01% and the nitrogen to less than 0.001%.  An exemplified final product contains <TABS:1020884/C6-C7/1>
Patent GB-1496674-A (GB)
Title: Preparation of lithium fluoride-based thermoluminescent materials
IPC: C09K11/67
Filed: 1975-09-12
Abstract: 1496674 Thermoluminescence BRITISH NUCLEAR FUELS Ltd 12 Sept 1975 [13 Sept 1974] 40065/74 Heading C4S A method for preparing thermoluminescent LiF activated by Mg and Ti includes the steps of maintaining a mixture of LiF with Mg and Ti salts above the m.p. of LiF in an inert atmosphere for sufficient time to allow metallic ions of the salts to diffuse into the lattice, cooling the molten mixture in argon to a temperature allowing limited aggregation of the Mg ions, holding at that temperature to ensure such aggregation is uniform throughout the mixture, cooling rapidly in argon to restrict further aggregation, and breaking up the product into finely divided crystals. Subsequent annealing may be at 500‹ C. followed by rapid quenching in cold water. The salts may be magnesium chloride and titanium chloride respectively providing Mg and Ti in amounts 200 and 10 p.p.m. Temperatures and times are given. The fluoride may contain Li isotopes in natural proportions or may contain predominantly Li-6 or Li-7 for thermal neutron detection. LiF has a near tissue equivalence and may be used for dosimetry. Also mentioned are known LiF with MgCa, Eu, Al, Ti and (Mg + Eu) activators.
Patent GB-1147486-A (GB)
Title: Water tube boiler
IPC: F22B1/18
Filed: 1967-09-01
Abstract: 1,147,486. Water tube steam generators. FERDINAND LENTJES STIFTUNG, [trading as KESSELSCHMIEDE]. 1 Sept., 1967 [20 Sept., 1966], No. 40156/67. Heading F4A. A convective or forced flow water tube boiler comprises a combustion chamber 12, radiation heating chamber 16 and convection heating chamber 20, the radiation chamber being surrounded by an outer wall of downcomer tubes 38 protected by an inner wall of riser tubes 44, the upper part of the riser tubes converging at 48 into the chamber 20 whereby the crosssectional flow area available to the heating gases in chamber 20 is less than one-fifth that available in the radiation chamber 16. The gases flow at high speed through the chamber 20, preventing deposition of soot. The riser tubes 44 continue upwards through a gas collector chamber 22, with outlets 24, to a cover 68 of a header 60 connected to a drum 30, the water space of which is connected by a pipe 32, which may contain a forced circulation pump, to a header 34 connected to the downcomers 38. The wall of the chamber 70 is formed by welding rods 52, Fig. 3, between adjacent ones of the outer ring of tubes and chamber 70 is partitioned into at least two passages by welded rods 64, each passage leading to a separate outlet 24 one of which may be closed to increase the rate of gas flow through the other passage. The tubes 44 increase in diameter in the chamber 20 and are of reduced diameter at 58 in the chamber 22 to facilitate escape of gases through the tube bundle. The whole tube bundle may be withdrawn from the outer shell 6 with the header 68.