baber/WOPTO huggingface dataset:
Patent GB-1273264-A (GB)
Title: Pneumatic vibration inducer
Inventor: SARGEANT ERIC JOHN
IPC: B06B1/18
Filed: 1969-03-07
Abstract: 1,273,264. Pneumatic free-piston vibration inducer. PENNETT TOOLS Ltd. April 17, 1970 [March 7, 1969], No. 12236/69. Heading F1M. A pneumatic free piston vibration inducer consists of a piston 1 having a circumferential groove 2 and mounted to reciprocate in a cylinder 3 having a radial inlet port 6, a pair of radial exhaust ports 10 disposed on opposite sides of the inlet port and a pair of transfer ports 7 in its wall for establishing communication between the groove in the piston and opposite ends of the cylinder, initiation of each stroke of the piston being effected by gas compressed in the end of the cylinder to which the piston moved on the preceding stroke, the transfer ports serving to connect the inlet port, through the groove in the piston first only to the end of the cylinder from which the piston is moving and then only to the other end of the cylinder and the porting providing for cut off of the other end of the cylinder from the inlet port towards the end of the stroke of the piston. The cut off from the inlet port of the end of the cylinder towards which the piston is moving is effected at two points by masking of the inlet port by the piston and by closure by the piston of the transfer port communicating with the end of the cylinder.
Patent GB-993921-A (GB)
Title: Improvements in or relating to the production of unsaturated aliphatic aldehydes
Inventor: GASSON EDWARD JAMES
IPC: B01J23/30
Filed: 1963-03-28
Abstract: Acrolein or methacrolein is produced by reacting at elevated temperatures in the vapour phase propylene or isobutene with molecular oxygen in the presence of arsenic or an arsenic oxide over an oxide composition containing tungsten and oxygen with antimony or titanium. The arsenic or arsenic oxide may be supplied either in admixture with the reactant feed or may be in admixture with the catalyst. In the latter case, arsenic lost by evaporation may be replaced by introducing fresh arsenic oxide or elemental arsenic with the reactants. The catalyst may be supported e.g. on graphite alumina or silica.  An inert diluent may be added, e.g. nitrogen, propane, butane, isobutane, carbon dioxide, steam or mixtures thereof.ALSO:A catalyst for oxidizing olefines to unsaturated aldehydes comprises an oxide composition containing tungsten and oxygen with antimony or titanium and may also contain arsenic or an arsenic oxide.  The catalyst may be made by mixing the oxides together e.g. in aqueous suspension, followed by heat treatment and addition of arsenic or an arsenic oxide.  Alternately the arsenic-containing catalyst may be prepared by coprecipitation from mixed solutions of arsenic salts and the catalyst metal salts.  The catalyst may be deposited on a support, e.g. alumina, silica, or graphite.
Patent GB-587944-A (GB)
Title: An improved heat-resisting, machinable alloy for use as electric resistance material for high temperatures, as well as for manufacturing details of construction exposed to high temperatures
IPC: C22C19/07
Filed: 1944-06-28
Abstract: A heat-resisting, machinable alloy having a high electrical resistance and good mechanical strength and tenacity consists of 10-30 per cent. chromium, 2-9 per cent. aluminium, 14-30 per cent. cobalt and 0.01-0.35 per cent. carbon, the remainder being iron.  The alloy may also contain one or more of niobium, molybdenum, titanium, vanadium and tungsten in total not more than 5 per cent.  The alloy may also contain one or more de-oxidisers, namely barium, magnesium, calcium, zirconium, beryllium, strontium, thorium and cerium up to a total of 5 per cent. and may contain 2-3 per cent. of silicon. Specification 434,849 and Swedish Specification 68,180 are referred to.
Patent GB-477872-A (GB)
Title: Threshing apparatus
IPC: A01F12/00
Filed: 1936-07-01
Abstract: 477,872. Thrashing-machines. ALLISCHALMERS MANUFACTURING CO. July 1, 1936, No. 12364/37. Convention date, July 1, 1935. Divided out of 477,837. [Class 58] Grain is fed from the main platform of a reaping-machine such as that described in Specification 477,837, up a trough 14 by a conveyer 38 until it is engaged by a co-operating conveyer 75 which assists in feeding it into the thrashing device 13. The beater drum 81 is mounted on a shaft 82 and comprises spaced discs 83 across which spaced thrashing bars 85 extend. The bars 85 are of angle iron, one flange of which is secured to peripheral flanges on the discs and the other and radial flange serving as a beating element. The leading faces of the bars are provided with a wearing surface of flexible and resilient material 86 such as rubber. The concave 87 has an adjustable ledger plate 91 in the form of a steel plate having a wearing surface of rubber or the like : the plate is slotted and is clamped in adjusted position by bolts 94, 96. Bars or strips 97 projecting from or secured to the concave co-operate with the beaters on the drum. The bars may be covered on their forward surface with rubber or may be constituted by blocks of rubber or the like held in position by angle bars 98. The beater drum may be adjusted relatively to the concave. The thrashed material is ejected through an aperture extending the full length of the thrashing device into a separating chamber 15 fitted with baffles 102 as described in Specification 477,837.
Patent GB-1012282-A (GB)
Title: Improvements in or relating to wellpoints for de-watering ground
Inventor: PAISH HAROLD PHILIP SYDNEY
IPC: E02D3/10
Filed: 1963-03-29
Abstract: 1,012,282. Well points. HENRY SYKES Ltd. Feb. 28, 1964 [March 29, 1963], No. 12537/63. Heading E1F. A well point comprising a strainer tube 14, a jetting tube 13, a jetting shoe 11, and a one-way valve 25 has channels 22 which during jetting lead a small proportion of the water into the annular space between the tubes to clean the strainer tube. A fine screen 17 may be located in the space. The valve is rubber faced.
Patent GB-234983-A (GB)
Title: Improvements in and relating to can lid fasteners
IPC: B65D55/10
Filed: 1924-05-22
Abstract: 234,983. Edwards, A. May 22, 1924. Addition to 213.089. Latches sliding; seal fastenings.-In a spring- pressed sliding bolt fastener for can lids provided with a supporting lug 15, as described in the parent Specification, the operating handle 11 has depending arms 16, one on either side of the lug 15, to prevent rotation of the bolt 7. The arms have holes 17 which in the fastening position of the bolt align with a hole in the lug 15 to receive a sealing wire. The operating handle 11 may be screwed or riveted directly to the bolt.
Patent GB-887998-A (GB)
Title: Improvements in or relating to cartridges for fire-arms
IPC: F42B5/26
Filed: 1960-04-08
Abstract: 887,998. Ammunition cartridges. KEMPTHORNE, I. E. April 8, 1960, No. 12574/60. Class 9(1). Rimless cartridges 1 are converted to rimmed cartridges by the addition of a circlip 3 which is placed in the groove 2. The circlip is preferably of material sufficiently elastic to be forced over the tapered body and to contract afterwards into the groove.
Patent GB-1183328-A (GB)
Title: Device for Measuring the Speed of a Spark Ignition Internal Combustion Engine
Inventor: DELLER JOHN
IPC: G01P3/48
Filed: 1966-03-23
Abstract: 1,183,328. Measuring speed of I.C. engines, electrically. DUNEDIN INSTRUMENTATION Ltd. March 21, 1967 [March 23, 1966], No. 12781/66. Heading G1N. Apparatus for measuring the speed of an I. C. engine comprises an inductive pick-up for attachment to a sparking plug, the pick-up output being connected to a pulse generating circuit a pulse of constant amplitude and duration being produced thereby each time the plug fires and the number of pulses per unit time is measured as a measure of engine speed. The pick-up comprises an electrically insulating cap member 1 Fig. 1 within which is a conductive member 2 carrying insulating bobbins 3, 4. Coaxially arranged between the bobbins is a collar 5 of iron or steel insulated from the conductive member and connected with an output terminal 6. One end of the cap is fluted at 7 to provide a snap on connection over the spark plug terminal which terminal will then abut the endface 8 of the conductive member. The other end of the conductive member is threaded into an extension 9 for connection to a high tension cable. When the plug fires, a voltage pulse will be induced in the collar 5, which pulse is applied via terminal 6 to the pulse generating circuit. The pulse generating circuit Fig. 3 comprises a normally stable multi-vibrator T1, T2 which is triggered into an unstable state, when a pulse from the inductive collar 5 is applied to terminal 12, by the discharge of a capacitor Cl through transistor T1. A pulse is consequently applied to the base of a transistor T3 which conducts and applies a pulse to a circuit connected to a meter M. The meter indication corresponds to the number of pulses received by T3 in a unit time and hence the spark plug firing rate and engine speed.
Patent GB-515471-A (GB)
Title: Improvements in and relating to fire guards for domestic hearths
IPC: F24B1/192
Filed: 1938-04-29
Abstract: 515,471. Fireguards. DEWHIRST, H. April 29, 1938, No. 12807. [Class 126] An arcuate fire-guard can be raised from unseen out-of-use position in an arcuate recess in the hearth. The guard may be expansible or rigid and its sides may be secured to the chimney breast. The lip F<2> keeps ash out of the recess. Reference has been directed by the Comptroller to Specifications 198,590, [Class 126], and 447,186.
Patent GB-815980-A (GB)
Title: Improvements relating to electrical relay circuit arrangements employing semi-conductors
Inventor: DAWSON EDGAR FREDERICK
IPC: H03D7/12
Filed: 1955-05-03
Abstract: 815,980. Semi-conductor relay single stable state circuits. BRITISH THOMSON - HOUSTON CO. Ltd. May 3, 1956 [May 3, 1955], No. 12838/55. Class 40 (6). In a circuit for operating a relay RL in response to a triggering pulse applied to one base connection of a double-base diode B, B<SP>1</SP> the junction electrode J is connected through the relay winding to an energy storing device, such as a capacitor C<SP>1</SP> which is charged to a definite potential and discharges through the relay winding in response to the triggering pulse. The capacitor C<SP>1</SP> is charged through variable resistor R1 to a potential determined by diode D and the potential set by the potentiometer VR. The negative-going triggering potential applied to the base connection B lowers its potential and hence that of the bar opposite the junction electrode J whereupon forward current flows from capacitor C<SP>1</SP> through the relay winding and electrode J into the bar to discharge the capacitor C<SP>1</SP> and operate the relay RL. A pair of contacts RL2 may be provided to hasten the discharge of the capacitor C<SP>1</SP>. The capacitor is recharged over resistor R1 and the back resistance of the double-base diode until the diode D conducts when the circuit is ready to receive the next triggering pulse. Specification 786,876 is referred to.
Patent GB-293938-A (GB)
Title: Improvements in or relating to machines for making boxes
IPC: B31B50/36
Filed: 1927-05-13
Abstract: 293,938. Jageaberg, E. May 13, 1927. Machines for making boxes. -The blanks 1, Fig. 2, are stacked in a pile 2, Fig. 1, and are moved in succession by any suitable means along a, slideway 3. Folding devices @ Figs. 1 and 3, turn the side edges 7, 8 of the blanks inwards, and they are flattened in the positions shown bv rollers 6. Folders 5 turn the parts back again, gumming rollers 9 applying adhesive to the edges 7. The blanks arrive against a stop 10 and are pushed transversely by a slide 11 against, a stop 12, the portion of the blank with the edges 8 arriving beneath a vertically movable plate 13. The plate, descends between bars 14, again turning up the edges 8 and turning up the whole of the remainder of the blank against an edge 15 of the slideway 3. The blank is now disposed as shown in Fig. 4. The blank is now pushed to the right in Fig. 1 past folding devices 17, which turn down and press the gummed edges 7 against, the edges 8, and between guide bars 18, of which a series is arranged on an intermittently rotating table 19. The blank has now been formed into a box as shown in Fig. 5.
Patent GB-329134-A (GB)
Title: Improvements in date calendars
IPC: B42D5/04
Filed: 1929-04-25
Abstract: 329,134. Hazell, C. J. April 25, 1929. Calendars.-A calendar comprises a body portion having an apertured front panel 1, Figs. 1 and 3, and a hinged or removable back plate 2, the panel being formed at the rear with a number of recesses or chambers 6 for the reception of cards bearing the date figures and other calendar information. The chambers 6 are provided with back plates 3 having pressed up tongues acting as springs to press the cards up to the apertures. Each aperture may be divided by a bar 10 to expose the date figure and the day name, the month number and month name, and the year number as shown. Other chambers may be provided for a monthlv calendar and an almanac. A recess may also be provided for a clock 14 and for a mirror 18. The cards mav be of the changeable or discard type; in the latter case the exposed card is pressed upon by the thumb and finger and rucked up to facilitate withdrawal from the front.
Patent GB-601989-A (GB)
Title: Improvements in or relating to ceramic products
Filed: 1945-05-23
Abstract: Ceramic products are made from a paste containing a refractory oxide such as alumina; clay as binder; at least 20 per cent by weight of calcium, strontium or barium carbonate, and talc. Preferably the paste contains by weight approximately 57 per cent of alumina, 11-12 per cent of clay, 24 per cent of calcium carbonate and 7 per cent of talc.  The ingredients may be ground in water and the resulting paste moulded and fired at 1,420-1,430 degrees C., to give a hard product suitable for use in grinding apparatus or as paving slabs.  The Specification as open to inspection under Sect. 91 comprises also pastes in which "Luzerne" steatite replaces the talc and glucina replaces the alumina.  This subject-matter does not appear in the Specification as accepted.
Patent GB-1150031-A (GB)
Title: Improvements in or relating to Container Lifting Frames
Inventor: ALCOCK DAVID FRANCIS
IPC: B66C1/22
Filed: 1967-03-20
Abstract: 1,150,031. Spreaders for lifting containers. BRITISH RAILWAYS BOARD. 20 March, 1968 [20 March, 1967], No. 13019/67. Heading B8H. A container lifting frame has arms 16 for lifting "Freightliner" containers, which have bottom lifting lugs, in addition to twistlock members 29, Fig. 1, for engaging the top corner couplings of I.S.O. containers, and both sets of container engaging devices are movable to accommodate containers of different lengths. The container engaging means are mounted on slippers 7-10, Fig. 2, which are moved by rams 34, 35 working in tandem and are coupled together for equal and opposite movement by chains 47, 48 and sprockets 49. For I.S.O. containers the slippers are moved in steps equal to the full extension of one of the rams. Thus, either one or both rams are fully extended or both are fully retracted. For lifting "Freightliner" containers, the sliders bearing the arms 16 are moved in steps controlled by limit switches 101-110, Fig. 1, and a projection 111. Rams swing the arms 16 between operative and folded, shown chain dotted, Fig. 1, positions, and further rams move the arms into their container engaging positions. An hydraulic circuit is illustrated in Fig. 4 (not shown) and interlocks are provided, by means of limit switches, to prevent the sequence of operations proceeding before the previous movement is completed. Hydraulic fluid is supplied by a motor in a housing 53. Hydraulic locks operate in the event of a power failure. Limit switches ensure that the load engaging means cannot be disengaged whilst the weight of the load is on them. To lift larger containers a subframe may be connected to the twist lock members 28, the sub-frame having twist-locks which are mechanically operable by the main lifting frame.
Patent GB-1033172-A (GB)
Title: Improvements relating to door and window frames
IPC: E06B7/23
Filed: 1963-04-02
Abstract: 1,033,172. Sealing windows. ALUMINIUM-WALZWERKESINGEN G.m.b.H. April 2, 1963 [April 5, 1962; March 4, 1963], No. 13044/63. Heading E1J. A casement window has an aluminium alloy frame and sash, both of Z-section, with a hollow stem, one or both frames having a channel carrying the body portion of a sealing strip which has a flap 14 which is pressed back against the body portion when the window is closed. The flap may have a rounded longitudinal edge 16 (as shown), or may be a flat strip (Fig. 5, not shown), or have a trapezoidal edge (Fig. 7, not shown). The sealing strip also has a sealing lip which contacts one edge of the containing channel. In the embodiment of Fig. 10, (not shown), extra sealing lips 34 and 38 are provided, the former engaging a rib 35 on the frame 29.
Patent GB-1392201-A (GB)
Title: High density information redords and playback apparatus therefor
IPC: H04N5/92
Filed: 1972-03-21
Abstract: 1392201 Recording and playback RCA CORPORATION 21 March 1972 [22 March 1971] 13073/72 Heading G5R The sidewalls of a groove 15 in a disc record 30 are engaged by the insulating sides of a stylus 10 which carries a playback electrode 20. As shown, television signals are recorded as hill- and-dale undulations 75 in the bottom of a groove 15 in a disc 30 of dielectric material which rests on an electrically conductive turntable (31), Fig. 3 (not shown). The capacitance between the electrode. 20 and the turntable (31) varies with the undulations 75 and is connected in a resonant circuit, Fig. 4 (not shown), to which radio-frequency oscillations are applied so that the output amplitude varies with this capacitance and hence with the recorded signals.
Patent GB-201662-A (GB)
Title: Improvements in manually operated controllers for electric traction and other electric systems or apparatus
IPC: H01H9/26
Filed: 1922-05-09
Abstract: 201,662. Cunliffe, R. G., Brooks, R., and Metropolitan-Vickers Electrical Co., Ltd. May 9, 1922. Drum controllers; multiple rocking bar controllers.-In a manually operated motor controller the handle 6 is on a vertical spindle 7 geared through bevel wheels 8 to a horizontal shaft 5 carrying a number of cams which actuate a horizontal row of separate main-current switches 4 with vertically movable contacts. In the same casing and below the main current switches is a drum-type braking switch 13 operated from the shaft 5 through a Geneva stop gearing so as to be thrown over while the handle passes through the " off " position. Above the switches 4 is a reversing and motor cut-out drum 9 operated by a separate handle 10 interlocked with the spindle 7. Magnetic blow outs are fitted to the main current switches. The contacts of the main current switches and of the braking switch are situated near the front of the controller casing 3 and may be inspected by opening a door 3<a>.
Patent GB-604294-A (GB)
Title: Anti-surge control and exhaust valve for hydraulic apparatus
IPC: B30B15/18
Filed: 1945-05-25
Abstract: 604,294. Valves: hydraulic presses. TOWLER, J. M., and TOWLER, F. H. May 25, 1945, No. 13115. [Classes 69 (ii) and 135] In a piston-type control and exhaust valve for use, e.g. with a hydraulic press, the sudden opening of the valve to exhaust is initially prevented by the creation of a back-pressure to resist the free movement of the piston until the back-pressure has fallen sufficiently for it to be overcome. As shown; a bore 2, Fig. 1, in the valve casing slidably houses a piston 1 and is provided with annular grooves 3, 4, 5 which communicate with the press cylinder, a pressure supply line and a push-back cylinder respectively. The groove 3 also opens to a passage 29, the other end of which is controlled by an exhaust valve 27. The piston has a recess 6 which forms a transfer passage for the grooves, an axial blind bore 9 communicating at its blind end with a recess 10 through radial holes 11 and at its other end, which is sealed by a pad 21, Fig. 2, through radial holes 16 with a passage 13 leading to an exhaust opening 26, and a reduced outer end 14 over which slides a dashpot cylinder 15. The pad 21, which is provided with holes 25, together with a rubber washer 20 and a member 22, form a loosely-fitting, spring-urged, non-return valve for the dashpot cylinder, the closed end of which co-operates with an abutment 19 secured to the stem 30 of the valve 27. In action, to open the press cylinder to exhaust a hand-lever 7 is operated to move the piston to the left and. bring the dashpot cylinder in contact with the abutment 19. Further movement to the left slightly compresses the spring 24 and opens a small crack between the groove 3 and the recess 10 through which liquid at high pressure from the press and the passage 29 passes to the bore 9. The liquid leaves the bore 9 through the holes 16, the diameter of which is such that the rate of flow therethrough is initially less than the rate of flow through the crack, thus creating a back-pressure in the bore which reacts against the now stationary dashpot to tend to move the piston to the right to reduce the crack and the back-pressure. This backpressure continues to operate until the rate of flow through the holes 16 is equal, whereupon the crack piston may be moved further to the left to open the valve 27 and the press to full exhaust controlled by the dashpot. Specification 524,564 is referred to.
Patent GB-311706-A (GB)
Title: Crank pin and slot mechanism with variable stroke
IPC: F16H21/20
Filed: 1929-04-27
Abstract: 311,706. Krug, C. May 14, 1928, [Convention date]. Void [Published under Sect. 91 of the Acts]. Crank linkages. - A slider-crank mechanism giving an adjustable stroke, for driving piston pumps, operating slides and tables of machine tools, &c., comprises an eccentric 2 on a driving shaft 1, engaging a slotted disc 3 which carries side blocks 4 riding on parallel guide surfaces on stationary members 6, so that the disc 3 can only reciprocate, its motion being transmitted to a second slotted reciprocating member 7 driving the table 11 &c. The guide members 6 comprise bosses on pinions 5 which mesh with pinions 12 adapted to be rotated by a hand-wheel 14. By such adjustment the direction of reciprocation of. the disc 3 relatively to the member 7 is altered enabling the effective stroke to be varied from zero to a maximum.
Patent GB-1373183-A (GB)
Title: Shaft mounting clip
IPC: F16D1/06
Filed: 1972-03-21
Abstract: 1373183 Clips UNITED CARR Ltd 20 March 1973 [21 March 1972] 13131/72 Heading E2B A clip 10 for securing a cylindrical shaft 20 in a bore 21 in a member 22 and resist relative rotation between the shaft 20 and the member 22 comprises a locating portion 11 adapted to locate the clip relative to the member 22 and an arm adapted, in use, to extend into the bore 21 between the wall of the bore and the shaft 20, the arm being curved about its longitudinal axis and includes two generally parallel, longitudinally extending retaining edges 17 (16, Fig. 2, not shown) adapted to bitingly engage the shaft to resist relative rotation thereof relative to the clip 10. Prongs 15 may be sheared out of the locating portion 11 to dry into the member 22 and hence locate the clip in position. Alternatively the prongs may be on the arm (Fig. 2, not shown). Two opposed clips may be used as shown, or one clip with the opposite wall of the bore forming a reaction surface (Figs. 7, 8 not shown). The reaction surface may be flat (Fig. 7) or curved (Fig. 8) and in the latter case a groove is provided along the wall of the bore to accommodate the arm of the clip. In a further embodiment (Figs. 10 to 13 not shown) the clip comprises two opposed arms stamped out of a substantially flat rectangular plate, the member being formed on its upper surface with pegs cooperating with the sides of the plate to position the clip. One of the arms may be omitted or more than two arms may be provided.