baber/WOPTO huggingface dataset:
Patent GB-1245880-A (GB)
Title: A combined master cylinder and reservoir assembly for an hydraulic system
Inventor: HODGES PETER KINSON
IPC: B60T11/22
Filed: 1969-08-06
Abstract: 1,245,880. Master cylinders; reservoirs. GIRLING Ltd. 16 July, 1970 [6 Aug., 1969], No. 39272/69. Heading F2F. Means for connecting a reservoir 10 to the body 19 of a master cylinder comprises a resilient bush 24 provided with a radial flange 25 having on either side thereof annular recesses 26, 27 adapted to receive the peripheral rim 15 and lip 22 surrounding openings in the reservoir and body and with which radial seals are formed, and an insert 30 which is complementary to the bore of the bush and which is inserted into the bush after the latter is in position to maintain bush engagement and radial sealing between the reservoir and body, the insert having an extension 31 adapted to extend at least into the master cylinder wall to provide a support for the reservoir and prevent movement of the bush in a radial direction. The insert has a passage therein to provide communication between the bore of the bush and the end of the extension remote from the bush. As shown, the extension 31 has a passage 32 to provide fluid communication between the reservoir chamber 13 and the main piston of a tandem master cylinder, and a spigot 17 provides fluid communication between the reservoir chamber 14 and a secondary or floating piston.
Patent GB-882945-A (GB)
Title: Improvements in or relating to seats
IPC: A47C1/024
Filed: 1957-12-18
Abstract: 882,945. Seats combined with tables. MICROCELL Ltd., and MOLINS, J. J. Dec. 18, 1958 [Dec. 18, 1957], No. 39381/57. Classes 52(2), 52(3) and 52(5) A tip-up aircraft seat has two leg members 11 connected by a transverse rectangular section hollow beam 23 carrying side members 26 and arms to which seat frames 29 are pivoted on bolts so that the beam 23 extends beneath them across the middle third of the distance between front and rear of each seat pan. Each seat pan 29 has a nylon cushion support tensioned by laces and a press-stud (not shown) for retaining a cushion 32 thereon. Upholstered back-rests 33 are each pivotally mounted on a pivot bar 28, the slope of each back-rest being lockably adjustable and the bar 28 also supporting adjustable arms 34 which support trays 35 foldable when not in use to lie in a recess in the rear of its corresponding back-rest 33. Arm-rests 36, pivotally mounted to rotate between upright and horizontal positions, are supported by side members and contain mechanisms linking the back-rest locking means to control knobs 38.
Patent GB-1484454-A (GB)
Title: Poly-(carboxylate)cements
IPC: A61K6/083
Filed: 1973-08-21
Abstract: 1484454 Acrylic acid copolymer solutions; dental cements NATIONAL RESEARCH DEVELOPMENT CORP 14 Aug 1974 [21 Aug 1973] 39383/73 Heading C3P A cement-forming liquid suitable for use as a component of a poly(carboxylate) cement comprises an aqueous solution of a water-soluble copolymer of acrylic acid, the copolymer having an average molecular weight of less than 20,000, and the solution having a viscosity (measured with a falling sphere viscometer at 21‹ C.) of 5-40 poise. The acrylic acid is preferably copolymerized with itaconic acid; other suitable acidic and non-acidic comonomers are also disclosed. The liquid is suitably prepared by polymerizing acrylic acid with a comonomer in aqueous solution at a temperature above 85‹ C. in the presence of an initiator, e.g. ammonium persulphate, and a chain transfer agent, e.g. isopropanol. In another aspect, the invention relates to a poly(carboxylate) cement pack comprising as one component a water-soluble copolymer of acrylic acid, the copolymer having a molecular weight as specified above and a 20-65% by weight aqueous solution thereof having a viscosity as specified above; and as another component an ion-leachable cement powder which will react with the copolymer component in the presence of water to give a plastic mass which hardens to form a cement. The copolymer component is suitably in the form of an aqueous solution and the cement powder may be, for example, zinc oxide, optionally including a small proportion of another metal oxide (e.g. magnesium oxide), a fused oxide mixture, an oxide glass or, preferably, a fluoroaluminosilicate glass. Optional additives include fluorides, bacteriostatic agents and antibiotics. In addition to dental applications, the cements are also useful in surgery, particularly orthopaedic surgery.
Patent GB-1528868-A (GB)
Title: Ignition circuit for an internal combustion engine
IPC: F02P3/04
Filed: 1976-09-23
Abstract: 1528868 Ignition circuit ROBERT BOSCH GmbH 23 Sept 1976 [25 Sept 1975] 39424/76 Heading F1B The invention relates to an ignition circuit for an internal combustion engine of the kind comprising a coil 6 the current supply to the primary winding 5 of which is alternately and repeatedly switched on and off by a load switch 7 having a control electrode, in response to a repetitive control signal applied to the control electrode and generated in the circuit in response to rotation of the engine and for long as the current supply to the circuit is maintained. Provision is made for a temporary current conductivity of the load switch 7 when the ignition circuit is disconnected from its source of current supply 1 in the conductive state of the load switch 7, by means of a control branch of the circuit containing a control switch (control transistor 15) such that a current flow extending at least through a portion of this control branch caused by the ignition energy surge in the ignition coil is supplied to the control electrode of the load switch to maintain the load switch on. As shown, the circuit is controlled by an alternating current signal generator 25 coupled with the engine. In a modification the signal generator 25 is replaced by an interrupter connected to the base of the control transistor 15. The interrupter may be replaced by a transistor controlled by a contact breaker or a signal generator.
Patent GB-1470169-A (GB)
Title: Adipic acid process
IPC: C07C51/31
Filed: 1974-07-25
Abstract: 1470169 Adipic acid process IMPERIAL CHEMICAL INDUSTRIES Ltd 25 July 1974 [15 Aug 1973] 39577/73 Heading C2C A process for the treatment of the residue remaining after the separation of solid adipic acid and nitric acid from the product of the nitric acid oxidation of cyclohexanol, cyclohexanone, mixtures thereof or mixtures containing them, in the presence of a metallic catalyst, comprises the successive steps of heating the residue to at least partially dehydrate succinic acid to succinic anhydride and to distill off succinic acid, succinic anhydride and water of dehydration, separating the catalyst metals as solid salts from the distillation residue, and heating the residual liquor to dehydrate glutaric acid to glutaric anhydride and to distill off glutaric anhydride and water of dehydration, and to leave a residue containing adipic acid.
Patent GB-1162813-A (GB)
Title: Apparatus for Feeding Mouthpieces for Cigars, Cigarettes and the like
Inventor: PEMBROKE GEORGE FREDERICK
IPC: A24C5/47
Filed: 1965-09-16
Abstract: 1,162,813. Endless conveyers; feeding cigar mouthpieces. MOLINS MACHINE CO. Ltd., G. F. PEMBROKE, J. G. E. HILLMAN, and J. E. NEW. 15 Sept., 1966 [16 Sept., 1965], No. 39623/65. Headings B8A and B8S. A pair of elements 33 are so spaced apart as to receive the flattened ends of cigar mouthpieces M between them and lead them to a reservoir formed by a number of parallel conveyers 7 which provide a sinuous path. As shown, the mouthpieces M in random order in a hopper 1 are picked up by receptacles arranged in two circumferential rows (16), (17) (Figs. 2 and 3, not shown), in a rotating disc (15) in the base of the hopper. As the receptacles come round to an open part of the hopper (12, 13) they fall on to a pair of conveyer tracks each formed by a pair of endless bands 3, 3. The spacing of each pair of bands is such that the flattened end only of the mouthpiece can fall between the bands. Three flaps (25) throw back into the pile 20 in the hopper, any mouthpieces lying on top of the correctly oriented ones in the receptacles. A member (14) prevents mouthpieces in the pile, falling between the ends 12, 13, of the hopper wall. The two conveyer streams are combined into one on a conveyer 5 by the action of an oscillating stop-member 41 actuated by a rotating member 35 having cam surfaces 36, 37. Two stop portions 41, 41 respectively stop the mouthpiece flow of each conveyer 3, 3, alternately. In a modified arrangement (Fig. 7, not shown), the stop portions 41, 41 are replaced by pads on respective camactuated arms. The conveyers 7 lead to an output shoot 9. In one form (Fig. 10, not shown) this may turn the mouthpieces M through 90 degrees.
Patent GB-1001349-A (GB)
Title: Indolyl-phenyl-alkenylamines
Inventor: ROOZEMOND ROBERT CORNELIUS
IPC: C07D209/14
Filed: 1962-10-19
Abstract: The invention comprises the compounds of formula <FORM:1001349/C2/1> where R1 is hydrogen, halogen or alkoxy, R2 is hydrogen, alkyl, aralkyl or alkanoyl, R3 is hydrogen or alkyl, R4 is hydrogen, halogen, alkyl, alkoky or trifluoromethyl, A is C1-5 alkylene, and B is dialkylamino or a saturated mononuclear 5- or 6-membered heterocyclic ring attached to A through a nitrogen atom; non-toxic acid addition salts thereof; and their production by dehydrating a compound <FORM:1001349/C2/2> by methods known for the dehydration of alkanolamines, e.g. by reaction with an acid anhydride or an ester of polyphosphoric acid. The above alcohols having A=C2-5 alkylene and R2=alkyl or aralkyl may be obtained by reacting the corresponding ketone with a Grignard compound BA1MgX (where A1 is C3-6 alkylene) and hydrolysing.  The invention also includes pharmaceutical compositions containing a compound as first defined above, or a non-toxic acid addition salt thereof, in association with a pharmaceutically acceptable carrier.  The compositions may be in the form of tablets or pills, formulated with diluents or excipients such as lactose or starch and if desired calcium stearate; capsules made of absorbable material such as gelatin, which may contain the active ingredient alone or with a solid or a liquid diluent; suspensions, emulsions, syrups or elixirs with water or liquid paraffin or other suitable liquid base; or suspensions or emulsions for parenteral administration, e.g. in sterile water or vegetable (e.g. olive) oil, or as a sterile solution in an organic solvent. Specification 991,485 is referred to.
Patent GB-1527993-A (GB)
Title: Copper alloy of excellent corrosion resistance mechanical strength and castability
IPC: C22C9/00
Filed: 1975-10-01
Abstract: 1527993 Copper alloy TOYO VALVE CO Ltd 1 Oct 1975 [6 May 1975] 40120/75 Heading C7A A high strength, easily castable corrosion resistant copper alloy, suitable for use as valves, cocks or other accessories in highly corrosive industrial fluids, in which dezincification and Al-removal by corrosion is significantly reduced contains: - Al 5 - 6À5 Si 0À2 - 0À5 Sn 0À2 - 0À5 Zn 0À2 - 4À0 Pb 1À0 - 1À5 Fe 1À0-3À0 Cu balance plus impurities. An addition of up to 0À17 Be may be made to improve the fluidity and reduce the oxide film tenacity during casting.
Patent GB-1450640-A (GB)
Title: Method of stabilizing the emitted electron beam current from a field emmission electron gun
IPC: H01J37/073
Filed: 1974-09-16
Abstract: 1450640 Electron guns HITACHI Ltd 16 Sept 1974 [5 Oct 1973] 40231/74 Heading H1D A method of stabilizing the electron beam current in a field emission electron gun includes the steps of introducing a quantity of hydrogen gas into an evacuated vessel 1 containing a field emission cathode, the pressure being between 5 x 10<SP>-7</SP> and 10<SP>-9</SP> Torr; and effecting heat treatment of the cathode. The vacuum vessel 1 contains the cathode 3 and anodes 4, 5, and is evacuated to about 2 Î 10<SP>-10</SP> Torr. A D.C. source 6 applies 3-5KV between cathode 3 and anode 4 to provide a field concentrated on the tip of cathode 3 from which electrons are emitted, and then accelerated by voltage impressed on anode 5 by a D.C. source 8. Pure hydrogen is admitted from a cylinder 10 by atom valve 9 into vessel 1 until the pressure of hydrogen, as measured by a gauge 11, lies between 10<SP>-9</SP> and 5 Î 10<SP>-7</SP> Torr. A switch 13 is now closed and opened after .1-3 seconds, so that a variable D.C. power source 12 causes current to flow through the cathode carrier 14, so as to heat cathode 3 to a temperature between 2000C and 3000C. This removes from the cathode surface impurities such as carbon monoxide and causes the absorption of hydrogen. The beam current can be measured by a collector 15, and it is shown that the method causes beam current to be more stable over a long period, as compared with known methods.
Patent GB-940778-A (GB)
Title: Improvements in or relating to locks
Inventor: PEARSON THOMAS FINNEY
IPC: E05B27/00
Filed: 1959-11-26
Abstract: 940,778. Barrel locks. BELL PUNCH CO. Ltd. Nov. 26, 1959, No. 40252/59. Heading E2A. A revolving barrel lock comprises an annular member 1, Fig. 1, adapted to be secured to a door and a rotatable barrel 2, Fig. 4, having an attached collar 3. The latter has a slot 31, Fig. 2, which accommodates a pin 12 protruding from the member 1 to thus limit rotation between the member and the barrel. Locking engagement between these parts is effected by spring urged plunger members 40, 41 located in radially aligned passageways therein. The barrel has a cruciform slot 20 such that a similarly shaped cammed key 60 may be introduced therein to force the plungers outwardly and thus allow through rotation of the key, rotation of the barrel to effect rotation of a pin 30 which acts as a latching member as well as securing the collar to the barrel.
Patent GB-1013477-A (GB)
Title: Tapping knives
IPC: A01G23/12
Filed: 1963-10-14
Abstract: 1,013,477. Tapping knives. V. S. BASNAYAKE. Oct. 14, 1963, No. 40484/63. Heading B4B. A knife 10 for tapping rubber trees has a cutting edge 11 and rims 13, 14 forming sockets 15, 16 in which are fitted the ends of a wire 17 or band forming a guard. The guard may be permanently secured to the knife.
Patent GB-1147487-A (GB)
Title: A safety device in an apparatus for lifting and lowering a shutter
Inventor: SUZUKI HISAMICHI
IPC: E06B9/70
Filed: 1967-09-05
Abstract: 1,147,487. Safety device in shutter-operating apparatus. H. SUZUKI. 5 Sept., 1967, No. 40491/67. Heading E2M. A safety device in an apparatus for lifting and lowering a shutter is illustrated with reference to the drawings and comprises a main driving sprocket wheel 4 and a reserve driving sprocket wheel 5 both fixedly mounted on a driving shaft 3 of an engine 1 for opening and closing a shutter 7, a main driven sprocket wheel 13 fixedly mounted on a shutter winding shaft 8, a reserve driven sprocket wheel 14 idly mounted on said shaft, an endless main roller chain 15 mounted between wheels 4 and 13, an endless reserve roller chain 16 mounted between wheels 5 and 14, and engagement means provided so that wheels 4 and 5 are locked together in the event of chain 15 being broken, and as a result said reserve driven wheel 14 is driven integrally with shaft 8. The engagement means may be pins 21 fitting in arc-shaped openings 22 (Figs. 3 and 4) or protrusions 27 fitting between pairs of protrusions 28 (Figs. 5, 6 and 8)
Patent GB-1317692-A (GB)
Title: Apparatus and method for reading a signal waveform trace
IPC: G01R13/04
Filed: 1971-08-31
Abstract: 1317692 Photo-electric graph read-out NIHON DENSHI KK 31 Aug 1971 [2 Sept 1970(3)] 40665/71 Heading G1A [Also in Division H3] An apparatus for reading a signal waveform trace comprises a television camera for viewing the trace, circuit means for providing horizontal and vertical deflection signals for the camera, the former being of lower frequency than the latter, and a demodulator to phase demodulate a pulse phase modulation signal obtained from the television camera. In order to carry out a frequency analysis of the read-out a fixed electrical filter is used in conjunction with a frequency sweep of the horizontal deflection signal. The phase modulated pulses, Fig.2B produced by scanning lines 10, 11, 12, Fig.2A cutting the trace are converted to pulse width modulation Fig.2C and demodulated to produce a signal Fig.2D corresponding to the trace. The invention may be applied to the analysis of encephelograms, cardiograms seismograms etc., and a suitable sweep oscillator for frequency analysis is described with reference to Fig.3, wherein the potential at 19 across capacitor 15 which is charged with a constant current is applied through FET 21 amplifier 23 and differential amplifier 25 to control the rate of charge of a capacitor 27, a voltage function of the latter charging current providing the second input to the differential amplifier so that the charging current is proportional to the sweeping signal. A charging or discharging voltage across capacitor 27 is detected by FET 33, amplified in 35, and applied with a reference voltage to a differential amplifier 37 to control actuation of a monostable MV41 which provides a pulse of predetermined width to discharge capacitor 27 which recharges and discharges repeatedly during the main sweep.
Patent GB-956497-A (GB)
Title: Sheet metal nut and assembly
Inventor: DUFFY WILLIAM BERNARD
IPC: F16B37/02
Filed: 1961-11-14
Abstract: 956,497. Nuts. UNITED-CARR FASTENER CORPORATION. Nov. 14, 1961, No. 40749/61. Heading F2H. [Also in Division B3] A nut, particularly for use on car bodies, and formed from sheet metal, e.g. spring steel, mild steel or non-ferrous metal, has a shell of hexagonal section with an end web 24 having a hole 25 for threaded engagement with a bolt and with a skirt 26 at the other end having inclined flat faces 27 at the margin so that scallops 26<SP>1</SP> are formed at the edge. Instead of the main portion of the skirt 26 being slightly inclined as shown, it may be perpendicular to the nut axis, Figs. 5-8 (not shown), but the inclination of the faces 27 remains the same. The edge of the hole may be formed for selflocking engagement with a bolt or formed to make its own thread on a threadless bolt. On a car body, a trim strip for masking a lap-weld, Fig. 10 (not shown), or for location at a ridge, Fig. 11 (not shown), has a threadless stud for co-operation with the nut. To make the bolt hole water-tight, a body of sealing material such as mastic, may be used with the nut, being pro-attached to its underside, Figs. 12, 13 (not shown). When the nut is in place and tightened, a ring of mastic is expelled, Fig. 14 (not shown), but remains attached to the body of mastic remaining under the nut by strands extruded through the gaps between the scallops 26<SP>1</SP>. Sealers such as polyvinyl chloride (possibly cellular) or washers of polyethylene may be used. A shearing burr formed at the lower angle of the scallop edges 26<SP>1</SP> gives a cutting edge which ensures good electric contact with the car body.
Patent GB-1284753-A (GB)
Title: Method of constructing earth-retaining walls
Inventor: JURINA NICOLO
IPC: E02D5/58
Filed: 1969-08-14
Abstract: 1284753 Revetments IMPRESA COSTRUZIONI OPERE SPECIALIZZATE SpA 14 Aug 1969 [11 June 1969] 40783/69 Heading E1H A concrete earth-retaining wall is cast in-situ within a trench and contains a metal reinforcing cage 2 and pre-stressing cables 3 in casings 4, the ground being initially at a level Q on both sides and excavated subsequently on one side to a level S. The casings are attached to the cage so as to assume a curved configuration relative to the sides of the wall as shown. After the concrete has set the cables are tightened at 6 so as to produce a thrust P opposing the ground thrust T. Anchoring devices 5 or 5' for the cables may be such that the cables can be removed. Sections of the wall may have a T-profile so as to be self-buttressing, Fig. 2b (not shown), the cables then being lodged in the buttress portions.
Patent GB-1525735-A (GB)
Title: Joint structure for suspended ceiling system member
IPC: E04B9/10
Filed: 1975-10-06
Abstract: 1525735 Suspended ceilings ARMSTRONG CORK CO 6 Oct 1975 [4 Oct 1974] 40820/75 Heading E1W Cross-members 1 of a supporting framework for ceiling panels 16 are interconnected at their ends by a joint similar to that described and claimed in Specification 1420631 but wherein protrusions 6, pressed out on each side of extensions 2 of the cross-members, each have a rib 7 at their lower edge to sit over the lower edge of a slot 5 in the adjacent cross-member to resist separation of the two cross-members when the respective protrusions 6 and slots 5 are interengaged. The rib 7 is spaced from the body of the extension 2 by more than the thickness of the extension.
Patent GB-1154635-A (GB)
Title: Mixing Apparatus.
IPC: B29C48/395
Filed: 1967-09-07
Abstract: 1,154,635. Mixing apparatus. BAKER PERKINS Inc. 7 Sept., 1967 [13 Sept., 1966], No. 40967/67. Heading B1C. A mixer for plastics materials has a rotatable and reciprocable shaft 9 carrying vanes or interrupted screw flights 10 interdigitating with inwardly projecting teeth 20; the barrel 1 is in two parts 2, 3 and has axially split, separable, removable liners 18. The flights 10 may be mounted on a plurality of separable, removable sleeve sections 10a. As shown the chamber 7 is hexagonal but it may have a different number of sides (e.g. four, five or eight) or have liners giving it an internally cylindrical form (see Fig. 5, not shown). At the discharge end the shaft 9 carries a helically fluted plug 12, 13, operating in an annular liner 14a of smaller diameter than the chamber 7.
Patent GB-1269800-A (GB)
Title: Improvements in or relating to central heating systems, and components thereof
Inventor: TAYLOR DAVID VICTOR
IPC: F24D3/10
Filed: 1969-08-16
Abstract: 1,269,800. Central heating systems. D. V. TAYLOR. 30 June, 1970 [16 Aug., 1969], No. 41036/69. Heading F4U. [Also in Division F2] A closure valve and reservoir component for use in a central heating system comprises a reservoir chamber 1, Fig. 2, with an outlet 3 for releasable attachment to the heating system and an inlet 4 for admitting heating medium via the chamber to the system, a cover 5, Fig. 4, for releasably sealing the inlet, a valve 17 biased to remain shut except when the pressure within the system rises by a predetermined amount, and a valve 20 biased to remain shut except when the pressure falls by a predetermined amount. A vent tube 6 communicating with atmosphere or, as shown, with an overflow chamber 8 allows air or liquid to escape from or to be returned to the system through the valves 17 and 20, respectively, when the system pressure rises above or falls below the predetermined limits. The two valves form an assembly with the cover 5 which is removed when the system is to be filled through an inlet 4. The overflow chamber 8 may be mounted separately from the chamber 1 which is fitted with a water level gauge 7 and connected via a T-piece junction 38, Fig. 5, to the heating coil 39 of the hot water cylinder 40. A boiler 30 supplies the coil and also supplies ground and first floor heating circuits 34, 35 having a common return line 36 containing a pump 33. The system is arranged so that the distance Z between the T-piece and the highest radiator vent 44 is at least one foot. The reservoir chamber 1 and any ancillary equipment may be internally coated with corrosion-resistant material.