baber/WOPTO huggingface dataset:
Patent GB-1160396-A (GB)
Title: Preparation of Dihydromyrcenol
Inventor: BLUMENTHAL JACK HERBERT
IPC: C07C33/02
Filed: 1967-10-06
Abstract: 1,160,396. Dihydromyrcenol. INTERNATIONAL FLAVORS & FRAGRANCES Inc. 6 Oct., 1967 [17 Oct., 1966], No. 45700/67. Heading C2C. Dihydromyrcenol (2,6-dimethyl-7-octene-2-ol) and its formic acid ester are obtained by maintaining a mixture of dihydromyrcene, formic acid and an acid catalyst at a temperature not substantially above 40 C., the acid catalyst being present in an amount up to 20% by weight of the formic acid. Preferably the reaction is discontinued before the amount of cyclic material formed is in excess of 10% by weight of the washed product.
Patent GB-1125412-A (GB)
Title: Improvements relating to apparatus for monitoring signals
Inventor: BATCHELOR MICHAEL
IPC: G11B3/00
Filed: 1964-11-10
Abstract: 1,125,412. Monitoring gramophone records. ELECTRIC & MUSICAL INDUSTRIES Ltd. 10 Nov., 1965 [10 Nov., 1964], No. 45715/64. Heading H4J. Impulses occurring in a predetermined time relationship and obtained when playing a gramophone record (e.g. blemished by grit or a scratch) produce a fault signal in monitoring apparatus. The apparatus may also produce a fault signal in response to a single impulse of sufficient amplitude. A monaural or stereophonic record on a turntable 2 is tracked by a pick-up and may be monitored by loudspeakers or earphones 7, 8. A difference signal obtained at network 9 is applied to a high pass filter 10 of cut-off frequency 5KC/S and the output is passed to an amplifier whose gain is reduced by a network 16, 17, 18 on application of signals with a rise time not less than ¢ ms. Thus only an impulse with a rise time of less than ¢ ms. can pass to potentiometers 13, 14 to produce a fault signal. Potentiometer 13 is preset such that a noise impulse due to a grit particle will trigger a circuit 21 and produce a pulse which is fed to an integrating circuit 23, 24, 25. If a series of pulses is produced by circuit 21 in a short interval (e.g. 4 per second) a circuit 26 is triggered. Potentiometer 14 is preset to detect isolated faults giving rise to large amplitude impulses or scratches (i.e. clicks). Circuit 31, when triggered by a fault signal, produces a pulse of 1-7 sees. (i.e. less than the revolution time of a 33<SP>1</SP>/ 3  gramophone record) and, when circuit 31 returns to its stable condition, circuit 32 is triggered to produce an output pulse of 0.2 sees. A diode 33 clips signals so that they cannot trigger circuit 31. If the circuit 32 is triggered the cathode of diode 33 remains at elevated potential for about 0.2 sees., embracing the time of arrival of a second click due to a scratch. Potentiometer 34 is set so that random impulses from potentiometer 14 do not affect circuit 26 whereas impulses separated by a revolution time of a record trigger the circuit 26 by removal of the clamping effect of diode 33. The circuit operates for a range of scratch impulses, even if one is not individually disturbing. A single impulse of large amplitude can also trigger the circuit 26. A signalling device 40 stops the playing of the record and gives an audible or visual warning. Circuit 26 has a reset button. Alternatively the device 40 may mark on a paper the position and magnitude of the fault and, in this arrangement, circuit 26 is monostable. The grit detection portion of the apparatus may be modified to give enhanced discrimination against programme material (Fig. 2, not shown) by use of various monostable circuits and gates and a switch by which network 16, 17, 18 is automatically replaced by one of time constant 50 ms. The channel for detecting scratches may be similarly modified. Records may be played at higher than normal speed, the various time constants and pass band being selected accordingly.
Patent GB-1200017-A (GB)
Title: Motion picture projector
IPC: G03B1/56
Filed: 1968-09-26
Abstract: 1,200,017. Cine projection apparatus. KABUSHIKI K.K. Sept.26, 1968 [Sept.29, 1967; (2), March 27, 1968], No.45780/68. Heading G2E. A cine projector has a continuously driven feed roller 3 with a circumferential surface material 3a having a high co-efficient of friction which intermittently frictionally engages and drives film 2 from a supply spool to the gate 19 as the film tension and loop size varies in response to the intermittent pull-down mechanism operating at the gate. An upper film guide 4 pivots co-axially about shaft 13 of the roller 3 and is spring-biased clockwise, a roller 4b guiding film into a loop-forming section 4d of the guide. A lower guide 5 pivots at 22 to the projector housing and has a protrusion 5b which may abut a corresponding protrusion 4f on guide 4, the two guides being joined by spring 23. As the loop decreases, the film 2 to tensioned against roller 3 by guides 4b and 4e and is frictionally advanced until the tensions reduces. For film threading, the guide 4 is manually depressed anti-clockwise to allow guide 5 to press the film end against roller 3. The film is then driven into gate 19 since nose 4c of guide 4 enters the mouth between gate 19 and pressure plate 18, and the pull-down mechanism then engages. Guide 4 is then released. Reverse projection is possible by reversing the drive roller 3 and the pull-down cycle, while the film is pressed against a reversely driving friction roller by a biasing lever actuated by the cam on a manually operated knob.
Patent GB-998958-A (GB)
Title: Method and apparatus for manipulating rod-like articles
IPC: A24C5/47
Filed: 1961-12-21
Abstract: 998,958. Cigarette making machines. K. KÍRBER. Dec. 21, 1961 [Dec. 27, 1960; July 29, 1961; Sept. 28, 1961], No. 45801/61. Heading A2C. Apparatus for wrapping adhesive connector sheets V around groups G of axially aligned cigarette lengths and filter plugs comprises a conveyer 3 having rolling members 11, 11a which engage the groups on opposite sides and means for moving the members in opposite directions to rotate the groups about their axes while maintaining their original position relatively to the conveyer and to wrap the connector sheets V around the groups. The groups G and connector sheets V are fed from a drum 1 to grooves 10 on the conveyer drum 3 located between the members 11, 11a. The members 11, 11a are mounted on pivots 13, 13a carried by arms 14, 14a which are mounted on shafts 17, 17a. Also mounted on shafts 17, 17a are arms 20, 20a which carry at their free ends rollers 21, 21a which co-operate with stationary cam grooves 23, 23a. The lower ends of the members 11, 11a are urged apart by springs 24, 24a, the pull of which is absorbed by rollers 26, 27 in the grooves 10 which serve as supports for the members 11, 11a. The contours of the cam grooves 23, 23a are such that after a group G has been delivered to a groove 10 on the drum 3, both members 11, 11a are first moved outwardly at the station b (Fig. 2) the group being pressed into the groove 10 by a member 5, the member 11a is then moved outwardly and the member 11 moved inwardly (stations c-e), the movement of the members is then reversed (stations e-g), the member 11 is then retracted, and finally both members are withdrawn to their original positions, the group G with a connector sheet wrapped around being then delivered to a further conveyer drum. Alternatively (Fig. 9, not shown), the rolling members may consist of blade springs removably attached to reciprocating arms. In further embodiments the rolling members may lie parallel to the surface of the conveyer drum 3, or may intersect the surface, the groove 10 being cut away in the region of the surfaces to allow the surfaces to move freely (Figs. 13 and 15, not shown).
Patent GB-459802-A (GB)
Abstract: 459,802. Cash registers. GLEDHILL, A. H., Trinity Works, Halifax, Yorkshire. July 23, 1935, No. 20862. [Class 106 (i)] Autographic arrangements taking totals and subtotals.-In order to ensure that the amount in the cash drawer shall be recorded prior to the printing or indicating of a total or subtotal, the amount is written on a card and the card inserted into the appropriate one of a series of compartments, the entrance to which is closed before the subtotal or total is printed or indicated, means being provided to render the compartments accessible in succession, after which such access-giving means is disabled until a lid or cover has been unlocked, the cards removed and the device reset for the next financial period. The invention is described as applied to the key set and operated machine forming the subject-matter of Specification 368,785. At the end of a day, the money in the cash drawer is counted and the amount written on a card which is inserted through a slot a<9>, Fig. 1, into one of a number of sectoral compartments formed by plates a, Figs. 3 and 5, extending radially from a shaft a<2> and rotatably mounted within a cylindrical housing a<4> closed by a pivoted lid a<8> through which the slot is cut. Upon the rotation of the crank o<1>, Fig. 1, to take a total or subtotal, the shaft a<1> is rotated one step by a pawl coacting with a ratchet, thus presenting the next compartment to the slot and rendering inaccessible the compartment containing the card. The operation is repeated at the end of each day until the slot becomes closed by a plate C covering one of the compartments. A mutilation of the ratchet wheel E now prevents further rotation of the device until the lid has been opened by insertion of a key into a lock a<10>, the removal of the cards and the backward rotation of the device to reset position. To facilitate the removal of the cards they are pressed outwardly, when the lid is opened, by a ring a<5> that is normally held in retracted position, against the action of a spring a', by means of a rod a<6> bearing against the lid. In modifications, the compartments may be fixed and the slot movable, while the device may be operated by the total-taking key n<1>, Fig. 1, or the raising of the outside cover of the machine.
Patent GB-1222990-A (GB)
Title: A lock-up brake or lock-up clutch having no slip in its final position of engagement
IPC: F16D55/40
Filed: 1968-09-27
Abstract: 1,222,990. Combined friction and hydrodynamic couplings or brakes. VOITH GETRIEBE K.G. 27 Sept., 1968 [30 Sept., 1967], No. 46001/68. Headings F2C, F2E and F2L. A combined friction and hydrodynamic brake or clutch includes friction discs provided with ducts which act as pump and turbine wheel blade ducts of a F÷ttinger circuit. In the multidisc clutch shown in Fig. 1, secondary discs 5a, 5b have radial ducts 6 and primary discs 4 have radial ducts 8, annular plates 7 being attached to the discs 5a, 5b or to the discs 4. The discs 4 have friction linings 13 and are splined to an annulus 2 for an epicyclic gear train. The discs 5a, 5b, together with a further disc 5c, are splined to a clutch member 3 which houses a piston 11 operable against the disc 5c by liquid pressure in a line 12. Simultaneously with such operation, oil is supplied to the ducts 6, 8 and to chambers 9, 10 via a line 14 and bores 15, 16, excess oil flowing through a bore 17, to an opening 19 and being replaced by cool oil from the line 14. The brake shown in Fig. 2 includes a fixed casing 3<SP>1</SP> and, with the exception of the endmost discs 5<SP>1</SP>, the discs 4<SP>1</SP>, 5<SP>1</SP> have blades on both sides. The discharge of the oil is adjusted by bores 17<SP>1</SP>, such that there is no overflow, and the ducts 6, 8, together with the chambers 9<SP>1</SP>, 10<SP>1</SP> are always full. In Fig. 3, stator discs 5<SP>1</SP> are supported by rods 35 which also locate packing rings 36a, 36b. When the piston 11 is inoperative, however, the rings allow oil to escape past the discs 5<SP>1</SP>; the supply from the line 14 also ceasing. In the clutch shown in Fig. 6, excess oil passes from a collector 23, via a pump 25 and a cooler 26 to a pressure reservoir 27. Actuation of a pedal 28 causes the clutch piston 11 to be operated and connection between the reservoir 27 and the line 14, via a valve 30, to be made. The quantity of oil circulating can be adjusted by a valve 31.
Patent GB-1032168-A (GB)
Title: Signal detecting circuits
IPC: H03K17/58
Filed: 1964-11-13
Abstract: 1,032,168. Tunnel diode pulse circuits. INTERNATIONAL BUSINESS MACHINES CORPORATION. Nov. 13, 1964 [Dec. 9, 1963]. No. 46265/64. Heading H3T. A signal detecting circuit comprises two tunnel diodes connected in parallel to a source of strobe pulses and in series opposition to a source of input signals, such that simultaneous application of strobe signals and input signals switches both diodes to the high-voltage state. Strobe pulses are fed simultaneously via 26 to the diodes in parallel and also to a read-out-line of a core matrix. If a pulse is read out it may be in either sense and it will cause additional current to flow in the forward direction through one of the diodes and so switch it to the high voltage state. The strobe current will now be directed to the other diode so that it too switches to the high state. An output signal will accordingly appear at 5. If a strobe or signal pulse occurs on its own the diodes will not normally switch and no output pulse will be produced. Noise pulses might switch the circuit but will be too short to operate a succeeding transistor circuit. It is also explained that the output may be coupled to a transistor from a tap on R26 and that the strobe pulse prepares the transistor so that it rapidly conducts when the signal appears.
Patent GB-1306277-A (GB)
IPC: H02M7/523
Filed: 1970-09-29
Abstract: 1306277 Discharge treatment of plastics UNION CARBIDE CORP 29 Sept 1970 [30 Sept 1969] 46333/70 Heading H1X In a method of treating plastics by exposure to a high intensity voltage accompanied by corona discharge, said voltage comprises a series of alternating-directional, impulsive sonic frequency burats, i.e. a waveform which varies cyclically at a sonic frequency, each cycle comprising an impulse of one polarity followed by an impulse of opposite polarity, each impulse having a duration short compared with the cycle period. The apparatus shown includes a circuit arrangement comprising a source 12 of variable D.C. and a timing circuit 40 supplying gating pulses to an output circuit 15 connected to the loading treating circuit 52. The circuit is a modification of that described in Specification 1,252,935 and includes the variable resistors 49 and 50 for frequency variation described in Specification 1,306,276. An alternative circuit arrangement (Fig. 4, not shown) including a rectifier circuit, a timing circuit, an isolation stage, a multivibrator circuit and an output stage is described.
Patent GB-1273424-A (GB)
Title: Skid control system
IPC: B60T8/66
Filed: 1969-03-31
Abstract: 1,273,424. Antiskid braking systems. KELSEY-HAYES CO. 31 March, 1969 [23 Sept., 1968], No. 46646/71. Divided out of 1,273,421. Heading F2F. An antiskid vehicle braking system has the fluid pressure supplied to the brakes of at least one wheel controlled by a modulating valve 24 actuated by a control circuit to relieve fluid pressure or to apply pressure the circuit actuating the vale to the pressure applying condition in response both to the magnitude of elapsed time in the relief condition and to magnitude of vehicle velocity. A charge indicative of wheel speed is supplied to a storage device and discharge is at a rate exceeding a rate representative of vehicle deceleration, the charge being maintained when the valve is in the relief condition. The system is as described in Specification 1,273,421.
Patent GB-1533733-A (GB)
Title: Chain links
IPC: F16G15/04
Filed: 1977-08-23
Abstract: 1533733 Ornamental chains INITIAL PLASTICS Ltd 23 Aug 1977 [10 Nov 1976] 46799/76 Heading F2Q Injection moulded plastics ornamental chain links 5 are elongate and have a slot 2 located along one elongated side whereby by orienting two links at right-angles they may be snap-fitted together and interlinked.
Patent GB-1282908-A (GB)
Title: Method and apparatus for making thermoplastic synthetic resin structures
IPC: B29C48/09
Filed: 1969-09-23
Abstract: 1282908 Sizing hollow extrudates TOKAN KOGYO CO Ltd 23 Sept 1969 [18 Nov 1968 18 Dec 1968 2 April 1969] 46868/69 Heading B5A In the production extruded hollow thermoplastics structures, the extrudate is contacted by a cooling fluid and then suction-sized during further cooling. In the embodiment shown, the extrudate 15 is contacted circumferentially by liquid from orifices 32, such liquid being removed by suction via orifices 22, 42 in coolant removal means 2a, 4a, situated upstream and downstream of orifices 32 respectively. This cooling renders the extrudate such that passage through sizing dies 5al, 5a2, 5a3 is not retarded by sticking as vacuum is applied via orifices 56. For relatively slow cooling, air may be supplied to orifices 32. The sizing dies are cooled by circulation of liquid in chambers 53 and are separated from one another by insulation 70. Further dies 6a1, 6a2 may be provided to heat and thereby anneal the extrudate, the dies being appropriately heated by liquid circulation in chambers 63. The components of the apparatus are adjustable relative to each other longitudinally and in addition coolant removal means 2a is also adjustable transversely of the extrudate. In a second embodiment, Fig. 2 (not shown), extruders (1b1-1b3) are employed to produce a structure such as shown in Fig. 7 (not reproduced). Liquid coolant is applied by sponge surfaced rollers (34, 35) and is removed by the upstream sizing die (5b1). Annealing is effected by infra-red red lamps (67). In a third embodiment, Fig. 3 (not shown), the extrudate is filled with foaming resin, is cooled initially by sprays (39), liquid being again withdrawn by the sizing die, and heating is by infra-red lamps (67). In a fourth embodiment, Fig. 4 (not shown), the liquid applying orifice (32d) and withdrawal orifice (22d) are adjacent one another, and the sizing die although formed as a single unit has independently operable vacuum connections. The liquid/suction orifices may be arranged as shown in Figs. 10, 11 (not reproduced). In a modification, Fig. 5 (not shown), the sizing die has a porous upstream portion (56e1) through which either liquid or air is allowed to contact the extrudate or a pre-suction is applied prior to liquid cooling via orifice (56e2) and suction via orifice (56e3). Various forms of extrudate are described, Figs. 6-9 (not shown). The apparatus may be arranged vertically rather than horizontally.
Patent GB-982063-A (GB)
Title: Self-teaching device
IPC: G09B3/08
Filed: 1963-12-05
Abstract: 982,063. Educational appliances. INTERNATIONAL BUSINESS MACHINES CORPORATION. Dec. 5, 1963 [Dec. 12, 1962], No. 48026/63. Heading G5G. A self-teaching device comprises a sheet 10 with one section 16 having two or more answer areas 21 each defined by a line of weakening and each representing a possible answer to a question, and with a second section 17 positioned underneath the first section e.g. by folding, the second section having a hole 22 registering with the area 21 representing the correct answer, so that if a student presses a stylus into the correct area 21, that area is removed from the sheet through the hole 22. As shown, the question is printed at 13 and five possible answers A... E are printed at 14, on a known type of tabulating card 10 which may be perforated as at 24 for machine sorting. In line with the answers 14 and in column 16 are five weakened areas 21. Two other columns 17, 18 are provided adjacent to the column 16, the first containing a hole 22 in line with the correct answer, and the second having a column of weakened areas 23 corresponding to the areas 21. The columns 17, 18 are zig-zag folded behind the column 16 and secured thereto with the areas 21, 23 and hole 22 in register. The column 18 serves to obscure the hole 22, but may be omitted. The student presses a stylus against the area 21 corresponding to the answer he selects, and if the answer is the correct one, that area 21 and the corresponding area 23 are detached from the sheet. By detaching the columns 17,18 after use, the sheets may be machine processed to record the answer attempts. In a modification, Fig. 6 (not shown), for use where the questions are in book form or are flashed on to a screen, and are numbered, three superposed sheets of equal size are employed. The top sheet has weakened areas such as 21, Fig. 1, in sets of five, each set having a number printed adjacent thereto which number corresponds to that of one of the questions to be answered. The middle sheet has one hole for each set of areas 21 and registers with the area corresponding to a correct answer. The back sheet, which is optional, has weakened areas corresponding to the areas on the top sheet. The device is employed in the same way as that described with reference to Fig. 1, but provides for answers to a large number of questions to be recorded on one sheet.
Patent GB-481418-A (GB)
Abstract: 481,418. Actuation of switches. SIEMENS - SCHUCKERTWERKE AKT.- GES. Nov. 9, 1937, No. 30724. Convention date, Nov. 13, 1936. [Class 38 (v)] A float device for supervising oil-filled electric apparatus such as a switch, transformer, condenser or a cable installation, comprises a housing 3 connected by a pipe 4 to the apparatus and by a pipe 5 to an expansion chamber. A float 1 is pivoted at 22 within the housing 3 and carries a mercury switch 2 for controlling an alarm device or a circuit-breaker. The float carries a removable vane 20 which projects through an aperture in a baffle 19 so as to tilt the float on the occurrence of a sudden flow of oil from the apparatus into'the expansion chamber due to excessive arcing. The vane 20 may be removed if it is not desired to operate the device due to flow of oil. A duct 14 is provided to allow gas bubbles to pass into the upper part of the housing 3, which thus depresses the oil level and lowers the float. If it is not desired to operate the device due to accumulation of gas, a valve 16 is opened to allow the gas to pass into the expansion chamber. A weir 10 having a byepass 12 controlled by a valve 13 is provided and, if the valve 13 is open, allows the float to be operated by a fall in level of the oil due to leakage from the apparatus. If the valve 13 is closed, the oil level is maintained at the level of the top of the weir and the float is not operated. If desired, a second float, not shown, may be provided above the main float shown. The second float is arranged to give an alarm on a fall of oil level, the main float opening a circuit-breaker to disconnect the apparatus.
Patent GB-1046876-A (GB)
Title: Drag bit
IPC: E21B10/54
Filed: 1963-12-11
Abstract: 1,046,876. Boring earth. JERSEY PRODUCTION RESEARCH CO. Dec. 11, 1963 [Dec. 31, 1962], No. 48974/63. Heading E1F. A drag bit comprises a hollow body, 11, laterally projecting pads 13, 14 extending part way about the body at spaced intervals, blades 20, 21 depending from the body behind the trailing faces of the pads and having gauge edges co-extensive with the pads, and flushing liquid nozzles 31, 32 connected to the interior of the body and extending through the pads to discharge in front of and adjacent to the leading faces of the blades. The nozzles (which are replaceable) and the tubes 35 lining the passages connecting the nozzles to the interior of the body are of erosion resistant material. The leading faces of the blades and the gauge surfaces of the blades and pads are sheathed in abrasion resistant material and the gauge surfaces contain hard inserts 19, 30. The bit may have more than two blades which may be extensible.
Patent GB-1475478-A (GB)
Title: Multimode light guide
IPC: G02B6/036
Filed: 1975-11-28
Abstract: 1475478 Optical fibre CARL-ZEISSSTIFTUNG [trading as JENAER GLASWERK SCHOTT & GEN] 28 Nov 1975 49041/75  Heading G2J A multimode light guide has a solid core of two or three concentric zones the refractive index of which increases discretely from the shell to the core.