baber/WOPTO huggingface dataset:
Patent GB-1356139-A (GB)
Title: Piezoelectric energy generators
IPC: H01L41/113
Filed: 1971-11-30
Abstract: 1356139 Piezo-electric generators DYNAMIT NOBEL AG 30 Nov 1971 [1 Dec 1970] 55641/71 Heading H2A In a piezo-electric generator comprising a piston 8 displaceable in a housing 1 against a spring 7 to strike a piezo-electric element 5, the piston is maintained in compressive engagement with the element, after striking, it, for example by means of a latch consisting of a spring ring 9 on the piston which snaps into a groove 17 in the housing. As shown, the element together with an electrode 3 and metal abutment disc 6 are held in an insulating cup 2 in the housing by plate spring 7 fixed to the piston. These parts, it is stated, form a capacitor having electrodes comprised by the housing 1 and electrode 3 and which stores the charge produced on displacement of the piston. Such displacement is produced by a propellant composition 11 which together with a delay composition 12 and detonating charge 14 is carried by a closure member 13 for the casing. The charge 14 may be detonated by impact or electrically.
Patent GB-1404956-A (GB)
Title: Ceramic bonding material for abrasive tools
IPC: C04B33/00
Filed: 1972-12-05
Abstract: 1404956 Bonding material; glass compositions and mixtures LENINGRADSKY ABRAZIVNY ZAVOD ILICH 5 Dec 1972 56102/72 Headings C1J and C1M A ceramic bonding material having a BaO content of 1-7 wt. per cent is prepared by drying raw materials comprising feldspar, refractory clay, and barium glass; grinding and mixing these raw materials. The raw materials may also include at least one of cryolite, talc and boron glass. The grinding may be to 80 microns or less. An abrasive such as corundum, diamond or borazon may be bonded with the above material in a heat treatment, e.g. at 1250-1280‹ C. The ceramic bonding material may comprise SiO 2  55-62 wt. per cent, Al 2 O 3  16-20 wt. per cent, Fe 2 O 3  0À2-1À5 wt. per cent, TiO 2  0À1-1À0 wt. per cent, CaO 0À1-1À0 wt. per cent, MgO 0À5-5À0 wt. per cent, B 2 O 3  0À3-5À0 wt. per cent, BaO 1À0-7À0 wt. per cent, F 0À1-0À6 wt. per cent; K 2 O and/or Na 2 O and/or Li 2 O 5À0-8À0 wt. per cent.
Patent GB-1248290-A (GB)
Title: Numerical control of machine tool
IPC: G05B19/401
Filed: 1969-11-17
Abstract: 1,248,290. Gauging. AMERICAN WELDING & MFG. CO. 17 Nov., 1969 [18 Nov., 1968], No. 56188/69. Heading B3B. [Also in Division G3] A tool is calibrated in position in a numerically controlled machine tool by the generation of a false electrical transfer signal, corresponding to the fulfilment of a command, when the tool and the calibration position coincide in the course of carrying out the command. As shown, Fig. 1, a ring 10 is mounted on a vertical turret lathe for machining by a tool 12. A conductive block 18 is insulated from the lathe by material 20 and connected to control circuitry by a lead 22. The block is either fixed or as shown movable on a slide 24 out of the way of the tool. The tool is commanded to carry out X.Y co-ordinate movements during which it contacts in turn surfaces 18c, 18a. When the tool makes contact with the block an electrical circuit is completed and a transfer signal is sent over lead 22 which implies that the command has been completed. A conventional circuit 28 for a numerically controlled machine tool sets up a circuit, Fig. 2, for a gauging operation in response to a taped command by issuing a signal which activates a gauge mode gate 34 and causes the tool to move towards a commanded position. During movement the tool contacts the gauge block, not shown, which, through line 22, activates a gate 38 enabling a permit gate 36, to which is also fed the mode gate signal. The signal from gate 36 falsely tells the numerical control circuit 28 that a command has been completed. The programme is then restarted from the known position represented by the gauge block. An error detector gate 40 provides a signal to a deactivation circuit 42 which closes down the machine tool in response to signals from gates 34, 38, when the tool touches the gauge block, and the gauging circuit is not in the gauge mode and, in response to signals from gate 36 and circuit 28, when a command has actually been completed. Indicator 30, and recorder 32 are provided for position read-out of circuit 28 and indicators 44 denote operation of the deactivation circuit.
Patent GB-1408000-A (GB)
IPC: H03K17/00
Filed: 1972-12-12
Abstract: 1408000 Polymer compositions E I DU PONT DE NEMOURS & CO 12 Dec 1972 57361/72 Addition to 1407999 Headings C3P C3R and C3Q [Also in Divisions H3-H5] Polymer compositions comprise aluminium particles, ferromagnetic particles at least partially coated with an insulative material and an elastic binder, the ratio by weight of ferromagnetic to aluminium particles being in the range of 1 : 6 to 3À5 : 1 and the combined weights of the aluminium and coated ferromagnetic particles being from 25 to 85% of the total weight of the particles and binder. The ferromagnetic particles are most suitably of iron and are preferably coated with a material which is a natural or synthetic rubber, an ethylenepropylene-non-conjugated diene rubber, a silicone rubber, a polyimide polymer, a polyamide polymer, an inorganic silicate or a polyurethane derived from a polyisocyanate and a polyalkylene glycol. The insulative coating preferably comprises 0À5 to 6% by weight of the total weight of ferromagnetic particles and the insulative coating material. The elastic binder may be a natural or synthetic rubber, an elastomeric chloroprene polymer, a fluoro-olefin elastomer, a butadiene-styrene rubber an ethylene-propylene-non-conjugated diene rubber, a silicone rubber or a polyurethane rubber, and may be used in solution in a solvent. The composition may be prepared in sheet form and used to form an electrical switching device which is capable of being switched between two resistance states (see Divisions H3-H5).
Patent GB-1371190-A (GB)
Title: Circular knitting machines
IPC: D04B35/18
Filed: 1971-11-15
Abstract: 1371190 Knitting machines BENTLEY ENG CO Ltd 15 Nov 1971 [4 Dec 1970] 57779/70 Heading D1C A circular knitting machine has means, e.g. a reversible electric motor, for raising and lowering the needle cylinder to adjust the amplitude of the loop drawing movements of the needles relative to the sinkers and means for sensing the amplitude prevailing at one or more particular time's and each time, if there is any variation, obtaining a signal which is applied to automatic adjusting means to correct the variation. A shoe 5 pivoted to one end of a pivoted beam 4 is biassed against sinker housing 1a and the other end of beam 4 is associated with an adjustable wedge 8 which co-operates with the pin 27 of a two position microswitch C on platform 23 engaging contact C<SP>1</SP> or C<SP>2</SP>. A cam 20 on control drum 24 engages microswitch E at the same time as the low and high parts of stud 25a on pattern chain 25 close microswitches D and A. Switch A is only closed long enough to ensure that switch B is closed but switch D remains closed during the passage of studs 25b, c and d. This establishes a circuit from the D.C. supply to coil F<SP>1</SP> or F<SP>2</SP> according to whether switch C closes contact C<SP>1</SP> or C<SP>2</SP> so as to drive motor 21 forward or reverse and hence raise or lower the cylinder through gearing 28 and screw 22. When setting up the machine, the height of the needle cylinder must be set by adjusting screw 26 when the machine has been run sufficiently to reach normal running temperature and at a point where cam 20 is operating microswitch E and a chain stud is operating micro-switch D. Racking of the chain is prevented and switch 30 is opened to stop motor 21 from running. Wedge 8 is then moved against spring 7 by rotation of nut 9 until pin 27 is engaged and the contact of switch C moves from contact C<SP>1</SP> to contact C<SP>2</SP> to bring on light 10. Nut 9 is held in position by a spring finger 18.
Patent GB-1426460-A (GB)
Title: Wobbulated oscillator arrangement
IPC: H01F21/08
Filed: 1973-12-13
Abstract: 1426460 Inductors and transformers VIDEOTON RADIO-ES TELEVIZIOGYAR 13 Dec 1973 [14 Feb 1973] 57927/73 Heading H1T A wobbulator circuit comprises variable inductor or transformer coil 4 wound on a ring 1 of ferrite material which just fits as shown into the gap of a subsidiary iron core 3 as do additional ferrite cores 6 of a harmonic filter, the inductance of coils 4, 5 and 7 changing as the ferrite permeability is varied by the low-frequency variation of the magnetic field in the air gap produced by a further coil (not shown) wound on the iron core 3. The plane of ring 1 is parallel to the main L.F. field and is perpendicular to the planes of rings 6, and ring 1 may have a rectangular cross-section.
Patent GB-1447653-A (GB)
Title: Sublimable aromatic composites
IPC: C11B9/00
Filed: 1973-12-14
Abstract: 1447653 Trialkyl-s-trioxanes OGAWA & CO Ltd 14 Dec 1973 [19 Jan 1973 11 June 1973] 58405/73 Heading C2C [Also in Division A5] Triisopropyl-s-trioxane is prepared by the cyclic trimerization of isobutyraldehyde in the presence of cooled sulphuric acid. Tritertiary-butyl-5-trioxane is prepared by the cyclic trimerization of trimethylacetaldehyde using sulphuric acid.
Patent GB-1435220-A (GB)
Title: Process for the preparation of cephalosporanic acid derivatives
IPC: C07D499/04
Filed: 1973-12-18
Abstract: 1435220 Cephalosporins prepared from penicillins YAMANOUCHI PHARMACEUTICAL CO Ltd 18 Dec 1973 [28 Dec 1972] 58552/73 Heading C2C The invention comprises a process for the preparation of a cephalosporanic acid derivative represented by the formula wherein R 1  and R 2 , which may be the same or different, each represents a univalent group other than a hydrogen atom, said R 1  and R 2  may be combined to form a divalent group, and A represents a divalent group represented by the formula wherein R 3  represents a hydrogen atom or a group which is inert to the reaction which comprises heating a penicillin sulphoxide derivative represented by the formula If desired final products can be esterified.
Patent GB-1206980-A (GB)
Title: Electric contact assembly
IPC: H01H50/54
Filed: 1967-12-27
Abstract: 1,206,980. Etectromagnetis relays; contactmembers for switches. BABCOCK ELECTRONICS CORP. 27 Dec., 1967 [9 May, 1967], No. 58595/67. Heading H1N. A U-shaped cantilever blade spring 40 is secured to a terminal pin 23 near its base and its arms 44, 46 are biased towards one another so that arm 46 engages a projection 48 of arm 44. When arm 44 is moved by an actuator 16 in the direction shown, arm 46 first engages a fixed contact 34 and then during continued movement the ends of the arms 44, 46 pivot about projection 48 thereby reducing contact bounce. The fixed contact 34, which is curved longitudinally and transversely, is carried by a spring blade 33 secured to a terminal pin 25 and damped by a U-shaped spring 37 fixed at 39 to blade 33. In its normal position arm 44 engages a knife edge contact 30 formed on the end of a blade 29 less resilient than blade 33. The U-shaped cantilever blade is secured to terminal pin 23 by a T-shaped support 42 whose cross-bar is wrapped around the root of arm 44. In the arrangement shown two changeover contact sets are actuated by operating beads 16, 18 of a non-polarized relay. Alternatively, the relay may have two operating coils and the movable contacts may be held in both positions by a polarizing permanent magnet. The arms of the U-shaped movable contact member may be made thinner in the region between the support pin and the pivot projection than the region between the free ends and the pivot projection thereby permitting the use of more rigid fixed contacts.
Patent GB-1152100-A (GB)
Title: An improved Brake Disk for Disk Brakes
IPC: F16D69/00
Filed: 1967-12-28
Abstract: 1,152,100. Brake disc. DR. ING. H. C. F. PORSCHE K.G. 28 Dec., 1967 [7 Feb., 1967], No. 58767/67. Heading F2E. An aluminium alloy brake disc (1, Figs. 1, 2, not shown) has a friction coating on its braking surfaces (3, 4), and radial cooling passages (5) in the outer portion of the disc. The coatings are, respectively, hard chrome (7), and molybdenum (9) on bronze alloy (8).
Patent GB-1320032-A (GB)
Title: Imidazole derivatives
IPC: C07D233/92
Filed: 1970-06-25
Abstract: 1320032 Nitro-imidazoles F HOFFMANNLA ROCHE & CO AG 25 June 1970 [26 June 1969] 59380/72 Divided out of 1320031 Heading C2C  Novel compounds of Formula I in which R 1  is OH or CH 3 O and R 2  is CH 3 , or R 1  and R 2  together are the group =CH 2 , and medicinally acceptable acid addition salts thereof, are prepared by reacting a compound of Formula II with a methylating agent and, if desired, treating a compound I thus obtained in which R 1  is OH or CH 3 O and R 2  is CH 3  so as to remove a molecule of water or methanol therefrom and also if desired, converting a basic product into a medicinally acceptable acid addition salt. Pharmaceutical and veterinary compositions comprise one of the above novel compounds together with a carrier.
Patent GB-596680-A (GB)
IPC: E05B59/04
Abstract: 596,680. Locks. L.B. FABRICATION DE SERRURES DE SURETE SOC. ANON. June 4, 1945, No. 13974. Convention date, June 19, 1944. [Class 44] The sliding bolt 1 of a lock comprises a tail formed as two parallel jaws 21, 21<1>, the lower edge of each jaw being provided with at least one tooth 4, 5 for engagement by a key bit or by a follower, and the upper edge of each jaw having a plurality of notches 9 ; the bolt locking member is a single forked-shaped piece 6 pivotally mounted between the jaws of the bolt tail, and the lower limb of the fork is engaged by the key bit 2, while the upper limb has a transverse member which engages in the notches 9. The two ends 7, 8 of the transverse member have vertical abutment faces directed to the front and rear of the lock respectively, and chamfered faces directed respectively to rear and front, as shown in Figs. 4, 5 and 6. A spring 12 biasses the fork 6 so that normally the transverse member is engaged in one or other of the notches 9.
Patent GB-1262210-A (GB)
Title: A winding device for a cable, rope or the like
IPC: B65H54/54
Filed: 1969-12-16
Abstract: 1,262,210. Cable winding apparatus. MEKANOMATIK AB. 16 Dec., 1969 [16 Dec., 1968], No. 61133/69. Heading D1J. The cable winding apparatus shown comprises a traverser 6 from which two spaced drum supporting arms 3 depend, each arm 3 carrying a centre taper 7 for insertion into the drum 4. The arms 3 traverse the drum relatively to a normally stationary cable guiding means 2 that can be swung upwardly on link arms 9 to permit a fresh drum to be rolled into position below the traverser 6. Sensing elements may be provided such that when one of the flanges of the drum comes into contact with one of said elements the traverse direction will be reversed. A control panel 11 permits the arms 3 to be raised, lowered and moved to or from each other. The traverser 6 may be mounted (a) between two vertical posts 8 mounted on the workshop floor, or (b) on beams in the workshop ceiling. The speed of the traverser 6 is adjustable and may be responsive to any torque exerted by the cable 1 on the guiding means 2 to reduce such torque.
Patent GB-613521-A (GB)
Abstract: 613,521. Condensers. BALSBAUGH, J. C. Oct. 5, 1945, No. 25933. [Class 37] A condenser comprises an assembly of conductive and dielectric layers 11 and 10 respectively, each layer being coated with a thin film of thermoplastic bonding material 14, the assembly being then heated to soften the thermoplastic material to a condition in which it flows smoothly under high pressure, and then subjected to a pressure of at least 100 lbs./sq. inch, whilst continuing the heating by which means gases trapped at 16 and 18 in the condenser are compressed to increase the resistance to breakdown of the bonding material. In one embodiment of the invention, the dielectric sheets 10 are paper impregnated with styrene, polymerized, preferably after impregnation, and metal foil is used as the conductive sheets. Styrene is also employed as the bonding material, but either of lower polymer than that used as the impregnant, or has incorporated therein a plasticiser, e.g. tricresyl phosphate. On heating and pressing, the bonding material softens to combine the alternate sheets, the temperature is lowered, and the pressure maintained until the thermoplastic material has set. Alternative dielectric sheets include mica, an artificial refractory film commonly known as " Alsifilm," or a preformed film of plastic material. Copper is mentioned as a suitable metal foil, and other impregnants are methyl methacrylate alone or in combination with other polymerizable dielectrics.
Patent GB-1249719-A (GB)
Title: Improvements in or relating to submergible hose sections
Inventor: TATEISI TAMOTU
IPC: F16L11/133
Filed: 1969-12-24
Abstract: 1,249,719. Flexible tubes. BRIDGESTONE TIRE Y.K. 24 Dec., 1969, No. 62949/69. Heading F2P. A hose section suitable for use in the transport of a fluid between points separated by a liquid medium, comprises an inner hose for transport of fluid and an outer hose arranged substantially concentrically about the inner hose to leave an air space therebetween whereby the hose section can float on the liquid medium, which hose section is submergible in the liquid medium when the air space is reduced in volume, by evacuation, a resistive core structure being provided in the air space between the inner hose and the outer hose to prevent total collapse of the air space and thus provide a sufficient air path for evacuation purposes. A preferred embodiment comprises an inner hose 11, an outer hose 12 of deformable material and a helical structure 14 which is preferably integral with or fixed on to inner hose 11. The outer surface of the helix 14 may be provided with one or more recesses (15, Fig. 4, not shown) to facilitate evacuation of the air when the hose is to be submerged. The resistive core structure may alternatively consist of longitudinal ribs or of annular ribs in the circumference of which annular recesses are preferably cut.
Patent GB-709024-A (GB)
Abstract: 709,024. Loose-leaf binders. JONES (TWINLOCK), Ltd., P. Aug. 14, 1952 [Aug. 21, 1951], No. 19704/51. Class 146(1) In a loose-leaf book comprising opposed clamping bars 1, 2, connected by associated pairs of leaf-aligning posts 3 and leafholding posts 4 with tension springs 5 within the posts 4 and in grooves 6 in posts 3 to urge the clamping bars together, latch plates 9 in conjunction with pins 15<SP>1</SP> protruding through apertures in the bars normally prevent movement of the ends of posts 4 from their inner or leaf-holding position in slots 7 in the clamping bars. The pins 15<SP>1</SP>, which fit closely within the apertures in the bars, are pressed inwardly by springs acting against the cover plates 14, a portion 15 of large diameter within a keyhole slot 12 in the -latch plate preventing it from sliding to release the leafholding posts, until by means of an operating tray (Fig. 6) the pins are pressed down to remove portion 15 from slot 12, the latch plate then being free to move against a spring 8 the extent of a slot 11 engaged by a pin 10 projecting from the plate. The tray operating means comprises two platforms 18 carried by blocks 17 slidable to and from one another in a central transverse recess by means of push rods 20 pivoted to cranked levers 21 the other ends of which are pivoted at opposite points to a disc 39 rotatable by means of a handle 23. When a book is placed on the platform in abutting position and the handle operated upstanding pins contact the pins 15<SP>1</SP> projecting through the clamping bars to free the latch-plates, The clamping bars are also forced apart until as one arm of bell-crank levers 31 pivoted on the lower surfaces of the platforms abuts against stops 33 of platform guides 19, a projection 30 on the other arm moves in a slot in the platform to engage pins 10 on the clamping bars and so cause the latch plates to release the leaf-holding posts. A slight further movement of handle 23 is possible to carry the first points of levers 21 over dead-centre. Projections 30 may extend over pins 10 to prevent accidental removal of the book in opened position; a key-operated lock may be associated with the boss of handle 13.
Patent GB-2005369-A (GB)
Title: Multi-way pipe connector
IPC: F16L37/00
Filed: 1978-08-07
Abstract: The present invention relates to a connector 10,26 for the simultaneous connecting of a plurality of pneumatic lines, which includes an automatic locking assembly. Thus, when pressure acts upon the connector, a piston 40 moves so that a spring member 48 is transferred into form-locking engagement 50 with a nipple 36 inside the piston and, hence, disconnecting the connector is no longer possible. <IMAGE>
Patent GB-2006201-A (GB)
Title: Production of nitroguanidine from guanidine nitrate and nitric acid
IPC: C07C/
Filed: 1978-10-09
Abstract: Nitroguanidine is produced from guanidine nitrate by reacting guanidine nitrate with nitric acid to give a reaction mixture comprising nitroguanidine, said nitric acid being 92% to 100% w/w, said nitric acid being used in a mole ratio of 2.5 to 5.0 moles of nitric acid per mole of guanidine nitrate, said reaction being carried out at 80 DEG C or less.
Patent GB-2017420-A (GB)
Title: Electrically driven pumps
IPC: H02K41/025
Filed: 1978-10-27
Abstract: A pump for handling aggressive fluids which must not be allowed to leak from the pump. In order for there to be no direct mechanical connection to the moving member (12) of the pump so as to enable all potential leakage paths to the exterior of the pump to be avoided, the moving member (12) of the pump, whose oscillation is effective to cause fluid displacement, is caused to be moved using the linear motor principle. <IMAGE>
Patent GB-2007350-A (GB)
Title: A display lamp and holder for printed circuit boards
IPC: H01K1/46
Filed: 1978-11-06
Abstract: A display lamp and holder for printed circuit boards has a holder (2) with a body portion (6) and contacts (9). The contacts (9) extend from opposite ends of the body portion (6) and one end of each of the contacts (9) is bent outwardly to form one or more tongues (11) for contacting engagement with the printed circuit board. The other end (10) of each contact (9) is deformed to retain the contact in the body portion (6). The lamp (1) has wires (5) which project from its base (3) which are conductively connected to the contacts (9) by welding or soldering. <IMAGE>
Patent GB-2009122-A (GB)
Title: Carbon electrodes
IPC: C04B35/52
Filed: 1978-11-07
Abstract: A mixture for making electrodes for use in air-carbon arc cutting and gouging comprises at least 50 wt.% of a graphite and/or carbon black; a binder and 2 to 20 wt.% of a thermionic emitter. Suitable thermionic emitters are, among others, rare earth elements, and compounds thereof and alkaline earth elements and compounds thereof. The use of a thermionic emitter results in electrodes which generate less noise during d.c. air-carbon arc cutting and gouging than a comparative electrode without the thermionic emitter.
Patent GB-2010189-A (GB)
Title: Centre boards
IPC: B63B35/79
Filed: 1978-11-20
Abstract: A sailboard body is provided with a central recess 2 which receives a centre board 11 and means are provided for positively locating the centre board at various longitudinal locations within the recess. Preferably the centre board is pivotable between a lowered position perpendicular to the board and a raised horizontal position. Several alternative mountings are described. <IMAGE>