baber/WOPTO huggingface dataset:
Patent GB-465812-A (GB)
Title: An automatic rifle or machine gun
IPC: F41A17/36
Filed: 1935-08-07
Abstract: 465,812. Automatic guns. ECHEVERRIA, B. Aug. 7, 1935, No. 22346. Void. Convention date, Sept. 19, 1934. [Classes 92 (ii) and 119] Fixed - barrel automatic guns in which the opening of the breech by blow-back action is delayed intil the pressure has fallen in the barrel are provided with a locking - block 13 sliding vertically in the breech - block 7 and having lower inclines j for engagement with inclines k on the hammer 11 and upper inclines engaging inclines in recesses g, h in the guncasing. The hammer 11 preferably engages a sleeve member 12 slidable in the breech block and the locking- block then has lower inclines m engaging the sleeve 12 and lower inclines engaging the hammer 11 all as shown by the detached parts of Fig. 2. On firing, and after the pressure in the barrel has fallen, the locking-block slides downwardly and retracts the hammer 11 from the firing-pin 9. The breech-block then moves to open position against a return spring 8 and is retained by a pivoted sear 21. On pulling the trigger 18, the breech block moves forward to load a cartridge from the magazine 6 and a projection n on the sleeve 12 engages the casing to initiate the lifting of the locking-block. This lifting is completed by the inclines on the hammer which after locking strikes the firing pin. The speed of firing may be controlled by spring-controlled weighted disc 25 oscillated by the engagement of a tooth thereon with the breech block and engaging the sear at timed intervals. The breech block is held in open position when the magazine is empty by the action of a lever 28 pivoted at 29, one end of the lever engaging the magazine platform and the other acting to raise the sear. The magazine is retained by a pivoted latch 15.
Patent GB-627257-A (GB)
Title: Improvements in and relating to fireplaces including boilers
IPC: F24B1/183
Filed: 1946-07-26
Abstract: 627,257. Fireplaces. HADEN & SONS, Ltd., G. N., and BRUCE, H. H. July 26, 1946, No. 22351. [Class 126] The base 4 and walls 3, 6 of the fuel bed of a solid-fuel fireplace containing a water boiler 9 are lined with refractory heatinsulating material except for openings 8, 14 in the vicinity of the base for the egress of combustion products to a flue 7 which leads directly from the fuel bed and contains the boiler, and for the admission of air to the fuel bed, and refractory heatinsulating material also extends upwardly as an upstanding wall 2 from the top of the front of the base 4. Air from an inlet 11 enters the fuel bed through a slot below a sloping shelf 12. The panel 15 is removable for kindling and de-ashing. For room heating, fuel may also be burnt in front of the wall 2. In a modification, the air inlet is provided at the bottom of the front wall 2 instead of at the rear, the shelf 12 is omitted, and the opening between the partition 5 and the top of the wall 2 can be closed by a refractory cover pivotable about its lower edge. The Provisional Specification describes also grooving one or more of the walls of the combustion chamber to facilitate the supply of air for combustion.
Patent GB-680010-A (GB)
Title: Improvements in or relating to a method of manufacturing cups, mugs and like vessels
IPC: B29C67/00
Filed: 1949-08-26
Abstract: 680,010. Cups, mugs, jugs, and vases. ERRINGTON (HANWELL), Ltd., S. C:, and WEISS, S. M. Aug. 29, 1950 [Aug. 26, 1949], No. 22352/49. Drawings to Specification. Class 128 [Also in Group V] Small rounded projections are formed on the bottom of a cup moulded or pressed from 'thermoplastic synthetic resin, to prevent the cup from sticking to a saucer of the same material when liquid has been spilled in it. The handle is moulded integral with the cup.
Patent GB-588724-A (GB)
Title: An improved electric switch with over-current release
IPC: H01H73/04
Filed: 1944-11-13
Abstract: 588,724. Electrically-tripped switches. LANDIS & GYR SOC. ANON. Nov. 13, 1944, No. 22378. Convention date, Nov. 16, 1943. [Class 38 (v)] A switch comprises a movable contact 1, operated, for example, by a magnet 4, and a normally-fixed contact 5, the latter being tripped and moved away from the contact 1 in the event of a short-circuit. The contact 5 is a metal strip biassed by a spring 13 away from the contact 1, but is normally retained by abutments 18 thereon engaging half-cylinders 16, which rotate with an armature 8, pivoted at 15. When the armature 8 is attracted by quenching magnet coils 7, it releases the contact 5, which moves quickly owing to its small inertia. The contact 5 may be re-set by a member 19. The abutments 18 may be welded to the contact 5 or formed integral with it, Figs. 4, 5 (not shown), or a downwardly projecting pin or tongue fixed to, or bent out of, the contact 5, may engage a single central half-cylinder located below the contact, Figs. 6-9 (not shown).
Patent GB-810614-A (GB)
Title: Improvements in or relating to agricultural implements
IPC: A01B13/02
Filed: 1956-07-23
Abstract: 810,614. Agricultural implements. PETRIE, D. A. Oct. 9, 1957 [July 23, 1956], No. 22691/56. Class 6(1). An implement for mounting in front of a tractor comprises two ridging ploughs 15 mounted in a frame 16 which is raised and lowered by means of a hydraulic cylinder 23 mounted longitudinally and centrally below the frame of the implement. As shown the ploughs 15 are carried by bars 15a pivotally supported at 15b between brackets 15c clamped to the frame 12. Each bar 15a is prevented from turning about its pivotal support by means of a shear pin 15d. The piston rod works in a guide sleeve 25 secured to the cylinder 23 and extends into a further sleeve 29a which is pivoted to the frame. The implement is attached to the front of a tractor by means of a member 19 and a stabilizing rod 20 is connected to the towbar of the tractor to give additional rigidity to the implement.
Patent GB-223368-A (GB)
Title: Improvements in or relating to observing and recording changes in electric currents and in magnetic fields
IPC: G01R13/22
Filed: 1923-09-10
Abstract: 223,368. Gm³r et Cie, G., and Gm³r, G. Sept. 10, 1923. E l e c t r omagnetic current and pressure meters ; magnetic measurements. - In a cathode-ray oscillograph, the time-proportional deflection is produced by a current depending only on the circuit constant. In the arrangament shown in Fig. 4 a source of continuous current G is connected through a rotating commutator S to an electromagnet M in series with a high inductance L. The rise of field strength of the magnet M with time is shown by the curve a, Fig. 3, which is sensibly straight except for the initial portion. In order to correct for this, a condenser C is charged by a second rotating coinmutator S<1> and discharged by the commutator S through a second magnet M<1> and a resistance R, the change of field strength of the magnet M<1> being represented by the curve b, Fig. 3. The commutators S, S<1> are coupled together and adjusted so that the commutator S<1> opens shortly before the commutator S closes. Both electromagnets M, M<1> are arranged to deflect the cathode ray in a direction at right-angles to the deflection due to the current or magnetic field under examination, their combined action being represented by the curve c, Fig. 3. The commutators S, S' may be replaced by hand switches or press buttons for recording non-recurring processes such as switching in and out curves. Reference has been directed by the Comptroller to Specification 212,305.
Patent GB-1534897-A (GB)
Title: Drinking valves for poultry or the like
IPC: A01K7/06
Filed: 1976-06-02
Abstract: 1534897 Poultry drinking station NEOTECHNIC ENG Ltd 2 June 1976 [7 May 1975] 22780/76 Heading AIM In a poultry drinking station, depression of either tongue 21 causes ball 12 to be dislodged by tube 15 from seat 13, thus enabling water from pipe 1, pressure of which was maintaining the ball in seat 13, to escape via tube 15 and annular region 23 into each of a pair of drinking cups 6, 7. As shown, slots 24 are provided in a seat at neck 25, which arrangement allows automatic air-bleeding and continued provision of water when a tongue is fully depressed. An alternative embodiment provides a sealing valve seat at neck 25 such that complete depression of the tongue 21 closes off the flow of water. The cups may be integrally formed of moulded polypropylene and may, or may not, be in liquid communication with each other.
Patent GB-606572-A (GB)
Title: Improvements in or relating to electrical welding
IPC: B23K35/02
Filed: 1945-09-05
Abstract: 606,572. Making pens, electric contacts, &c. STANDARD TELEPHONES & CABLES, Ltd., and GILLIVER, G. Sept. 5, 1945, No. 22903. [Classes 83 (ii) and 83 (iv)] Uniting by fusion.-Small beads or tips of metal are attached to metal objects, both of which have high but usually different melting points, by placing the tip and object in contact with each other with the object connected to one side of a charged condenser, and bringing into contact with the tip a carbon electrode connected to the other side of the condenser to weld the parts by the discharge of the condenser. Iridium tips may thus be welded to gold fountain pen nibs, silver contact tips to contact studs, and beads of platinum, silver &c. to the plane surfaces of contact springs for electromagnetic relays and switches. In tipping contact studs or screws, the screw may be formed with a small hole in its end into which a pellet 4 or piece of wire is inserted and then welded as above described, the two metals being fused into a bead. A pen nib may be placed on a copper stand 10 in a slot in a ceramic insulating plate 11 thereon and is held by a spring clip 14, the stand being connected to one terminal of the circuit. The bead is placed on the end of the blank 13 and welding effected by a carbon pencil-type electrode 18. The Provisional Specification refers to Specification 570,681.
Patent GB-412436-A (GB)
Title: Improvements in or relating to motor-driven massaging apparatus
IPC: A61H15/00
Filed: 1933-08-17
Abstract: 412,436. Massage apparatus. BOSCH AKT.-GES., R., 4, Militõrstrasse, Stuttgart, Germany. Aug. 17, 1933, No. 22956. Convention date, Aug. 30, 1932. [Class 81 (ii).] A motor-operated, hand-guided massage apparatus has two massaging members arranged side by side, one being a driven tapping member and the other being fixed non-adjustably to the casing at a point spaced well away from the driven member to act as a pivot about which the whole device may be rocked to vary the massage action. The handle a houses an electric motor, the shaft b of which drives a shaft g through pinions c, d, e, f. A disc h, mounted on the shaft g, carries an eccentric pin i driving a slider k, which carries at each end a massage member l<1>, l<2> and is guided between a cover m and plate n of pressed synthetic resinous fabric. Greased felt plugs are inserted in holes q. The casing p carries stationary massage members o<1>, o<2>, or is formed integrally with suitable bearing portions. The degree of vibration can be varied by applying a member o<1> or o<2>, or a member l<1> or l<2> only, or by applying l<1> and o<1> or l<2> and o<2> simultaneously, using the latter as a bearing point about which the apparatus is turned. The members l<1> and o<1> may be of soft rubber, the others of hard rubber.
Patent GB-319878-A (GB)
Title: Improvements relating to mirrors and the like reflecting devices provided for the guidance of traffic at cross roads and blind corners
IPC: G08B5/00
Filed: 1928-08-10
Abstract: 319,878. Murray, J. Aug. 10, 1928. Reflectors for use at cross-roads &c. consist of a flat mirror 1 mounted in a frame 2 adapted to be adjustably secured to a post 5 by upper and lower clamps 3, 4. At the lower end the reflector frame 2 is pivoted to the clamp 4 by the bolts 2a. and at the upper end is adjustably secured to the clamp 3 by bolts 6 provided with double nuts 6a as shown.
Patent GB-1067565-A (GB)
Title: Transparentizing base stock of tracing papers and intermediate diazotype papers by use of polypropenes
Inventor: KOSALEK JOSEPH FERDINAND
IPC: D21H17/35
Filed: 1964-06-03
Abstract: Paper is transparentized by impregnating it with polypropene The impregnant may be applied as a solution in, e.g., naphtha, xylene or toluene, and the paper maintained wet, e.g. by winding it into a roll and allowing it to stand, until it is thoroughly impregnated.  The solution may also contain another water-white synthetic resin, e.g. polystyrene, polyethylene, or polymethyl methacrylate, or a dye.  The treated paper may be used as tracing paper.
Patent GB-1427309-A (GB)
Title: Stabilized insecticidal composition
IPC: A01N53/04
Filed: 1974-05-23
Abstract: 1427309 Stabilised pyrethroidal insecticides SUMITOMO CHEMICAL CO LTD and DAINIHON JOOHUGIKU CO LTD 23 May 1974 [25 May 1973] 23209/74 Heading A5E A stabilised insecticidal composition comprises a synthetic pyrethroidal insecticide and at least one of 3, 5-di-t-butyl-hydroxyanisole and 2, 2'-methylenebis(6-t-ethyl-phenol). The specified pyrethroidal insecticides are chrysanthemum-monocarboxylic acid 5-propargyl-2- furyl methyl ester, chrysanthemum-monocarboxylic acid 2 - methyl - 5 - propargyl - 3 - furyl methyl ester, chrysanthemum-monocarboxylic acid 5-propargyl-alpha-ethynyl-2-furyl methyl ester, chrystanthemum-monocarboxylic acid 5-benzyl- 3-furyl methyl ester and 2, 2-dimethyl-3-(2, 2- dichlorovinyl)cyclopropane-1-carboxylic acid 5-benzyl-3-furyl methyl ester. Optional ingredients are polyoxyethylene stearylamine and piperonyl butoxide. The compositions may be in the form of aerosols, mosquitocidal mats, combustible sticks, or coils.
Patent GB-330813-A (GB)
Title: Improvements in or relating to machines for typing music as well as ordinary text
IPC: B41J3/34
Filed: 1929-07-29
Abstract: 330,813. Aillaud, L. July 29, 1929. Machines for writing music; platen rotation; keyboards.-In machines comprising an ordinary typewriter and an auxiliary keyboard for rotating the platen in writing music, the key-levers of the auxiliary keyboard impart differential movement to a transverse lerver connected to the platen, the connection being preferably so arranged that the auxiliary keyboard can be placed in any desired position. In the arrangement shown in Fig. 11 a typewriter 41 of ordinary construction but provided with music types as well as letter &c. types is placed on a base 40 provided with an auxiliary keyboard A for rotating the platen 37 to position the typed notes on the stave. The keys 4 - - 20, Fig. 1, of the auxiliary keyboard are carried by levers 3 resting on a transverse lever 25 pivoted at 26 in the base and connected by linkage 29 - - 33 and a Bowden wire 34 to a collar 35 on the platen. Before typing is commenced, the platen is adjusted by means of a knob 39 to bring the top ledger-line on the paper 38 to the printing line. A note is printed by depressing one of the keys 4 - - 20 and one of the typewriter keys. If a note is higher than the previously typed note, the platen is returned to initial position by means of the knob before the higher note is typed. The wire 34 is disconnected when the typewriter is employed for letter-press. Keys. - Screw-stops 22, Fig. 1, are employed for adjusting the stroke of the key-levers 3.
Patent GB-1401738-A (GB)
Title: Solar cell assemblies
IPC: H01L31/05
Filed: 1973-05-16
Abstract: 1401738 Solar cells POST OFFICE 16 May 1973 [17 Mar 1972] 23302/71 Heading H1K A solar cell array comprises (Figs. 3 to 6) two rows and four columns of individual PN silicon cell units 29, 31, 33, 35 and 37, 39, 41, 43 respectively wherein each cell has an underlying electrode and an overlying conducting pattern of parallel fingers extending from a cross-bar (Fig. 11a, not shown). Plural strips 38, 42 of thin flexible non-conductive plastic material are interlacedly woven in alternate senses through each row of cells so that each cell is overlain and underlain by a distinct strip; the latter being cut out of a sheet (Fig. 7, not shown) and impressed with distinct plural patterned metallized regions 40, 44 on each strips 38, 44 separated by non-metallized regions; e.g. by electrodeposition and photoetching. The metallized regions, e.g. 40 are positioned so as to extend from the cross-bar, e.g. 54, overlying a cell, e.g. 48, to the centre of the underlying electrode of a preceding cell, e.g. 30, and so on in sequence; electric contact to the underlying electrodes being made by metallic strips, e.g. 46, 56, interconnecting the underlying electrodes of all the cells in the same column. Strips 38 with metallized regions 40 interconnect cells 31, 33 while strips 42 with metallized regions 44 interconnect cells 35, 33. Glass filters 34 protective against undesired radiation are adhesively attached to the upper surfaces of the cells. In a modification (Figs. 8 to 10, not shown) the cross-bars are eliminated from the upper surfaces of the cells, which have instead a parallel lateral pattern of fingers (Fig. 11b, not shown) contacted direct by the metallized regions of the overlying strips which are proportioned to extend across the whole upper surface of each cell. The solder cell array is thus made flexible to be capable of being rolled, bent, or folded and the component cells are mutually retained as an assembly by the interleaved strips, which are held in contact by the overlying glass filters and the underlying metal strips soldered or welded to the metallic regions. When folded plural cells may be stacked one upon the other, for spatial economy.
Patent GB-598798-A (GB)
Title: A process for the manufacture of 3.4-di-(p-hydroxy-phenyl)-hexadiene-2.4
IPC: C07C39/21
Filed: 1945-09-10
Abstract: 3.4 - Di - (p - hydroxy - phenyl) - hexadiene - 2.4 is obtained by treating 3.4 - di - (p - hydroxyphenyl) - hexandiol - 3.4 with an excess of the anhydride of an aliphatic carboxylic acid containing not more than 4 carbon atoms in the molecule, crystallizing in fractions meso and racemic 3.4-di-(p-acyl-oxyphenyl)-hexandiol-3.4 respectively from the reaction mixture treating each of the said forms separately with an excess of a mixture of the anhydride and the chloride of an aliphatic carboxylic acid containing not more than four carbon atoms in the molecule, and hydrolyzing the compound obtained.  In an example 3.4-di-(p-hydroxyphenyl)-hexandiol-3.4 is boiled with an excess of acetic anhydride and the meso and racemic p - acetylated products are crystallized separately.  Each of the isomers is then boiled with excess of a mixture of acetic anhydride and acetyl chloride to obtain the hexadiene di-(phenyl-p-acetate) which is then saponified by aqueous alkali into the free 3.4-di-(p-hydroxyphenyl)-hexadiene-2.4.
Patent GB-233319-A (GB)
Abstract: .233,319. Muller, F. April 29, 1924, [Convention date]. Fire-bars and grates.-In a grate consisting of reciprocating fire-bars 10 operated by cams arranged on a shaft 22 and having their inner ends arranged beneath a fire-bridge 14, the cams and lugs on the fire-bars with which the cams engage are so arranged that the bars are free to be withdrawn outwardly to form a gap between the ends of the bars and the fire-bridge to allow ashes to drop into the ash-pit. The grate shown comprises six hollow fire-bars 10 with renewable bars 11 and plates 12, 13 mounted on rollers 9. Pairs of bars are moved outwardly successively by cams 23, 24 and 25 engaging with depending arms 26 on the bars and subsequently all the bars are moved inwardly together by cams 28 engaging with abutments 27. In the position shown, in which the cams 28 have cleared the abutments 27, and also for a considerable part of a revolution of the cam-shaft, the grate bars are free to be withdrawn to a distance which is limited by stops 31 engaging with a cross bar 32. Handles 38 are provided on the arms 26. The front of the ash-pit is enclosed by an air supply chamber 19 closed by a door 21 to which is attached a rod 35 adapted, during the opening of the door, to engage with a lever 37 to disengage the clutch 29 through which power is transmitted from the shaft 30 to the cam-shaft. This arrangement prevents the cam-shaft from being driven until the bars have been returned to their normal positions. A modified form of safety device comprises a rotary shaft having a long cam for preventing the bars from being withwdrawn by hand and coupled with an abutment locked against movement while the clutch is thrown in and preveting the insertion of the clutch while the cam is not in its locking position.
Patent GB-1276478-A (GB)
Title: Tube cleaning pellet gun
IPC: F28G1/12
Filed: 1971-04-19
Abstract: 1276478 Cleaning pellet gun COMBUSTION ENG Inc 19 April 1971 [9 March 1970] 23419/71 Heading F2N  A gun for firing compressible cleaning pellets 16, e.g. of felt, through a tube 12 to be cleaned comprises a barrel 18 having an axial bore 20 widened at its rear end 22. A plunger 36 is reciprocable within the bore and is driven by a fluid pressure piston 30 controlled by valve 66. A pellet introduced to the bore through aperture 42 is moved by the plunger so as to be leftwards of port 46 through which propellant, e.g. nitrogen gas, may be introduced. Cleaning solvent, e.g. acetone, may be injected into the pellet via port 138 prior to firing, and an interlock prevents acetone injection and firing unless the plunger is in its leftwards position. The pellet is conducted via flexible hose 54 to a tapered nozzle 60 wherein it is compressed to a diameter less than that of the tube to be cleaned so as to assist its introduction therein. Manual control valves 96, 116 and 142 are mounted adjacent the nozzle and connected to the operating valves via flexible hoses 94, 98, 120, 122 and 146.  Control and operating system. (a) Plunger.-The plunger 36 is connected to piston 30 by rod 40. Compressed air is fed via filter 84 to port 68 of valve 66. The valve 66 is operated by a spring-returned pilot 92 which in its normal inoperative position holds the valve in such position as to feed air via port 72 to space 28 and connect port 70 to exhaust. The pilot 92 is operated by low pressure air fed via regulator 86 and line 98 to manual valve 96 and thence via line 94 to the pilot. (b) Propellant.-The propellant is controlled by valve 104 operated by spring-returned pilot 114 and is normally shut. Low pressure air from regulator 86 is fed via line 120 to manual valve 116 and thence via line 122 to pilot 114, a cut-off valve 118 being interposed in the line 120 to prevent operation of propellant valve 104 unless the piston is in its leftwards position. As an additional safeguard pressure in the control line 122 actuates, pilot valve 119 to exhaust line 94 and ensure the leftwards position of the plunger. (c) Cleaning fluid.-The cleaning fluid is dispensed via pilot operated valve 128 from a tank 126 pressurized with low pressure air from the regulator 86. The pilot 130 is operated by low pressure air fed from line 120 downstream of cut off valve 118 to prevent operation unless the plunger is in its leftward position. Control is via manual valve 142 and time controlled valve 148.
Patent GB-729120-A (GB)
Title: Improvements in or relating to liquid filling machines
Inventor: TROTTER ROBERT LAWSON
IPC: B67C3/04
Filed: 1951-10-09
Abstract: 729,120. Filling containers with liquids. UNILEVER, Ltd. Oct. 3, 1952 [Oct. 9, 1951], No. 23443/51. Class 125 (2). [Also in Group XXVIII] A machine for filling or partly filling cans comprises a number of vertical cylinders 11 that are carried by a plate 6 and have pistons 20 provided with rollers 22 that ride on adjustable cam tracks 23, 24 to reciprocate the pistons as the plate rotates. The lower ends of the cylinders have openings which coincide with arcuate slots 14, 15 in a stationary plate 13, the slot 14 being connected to a tank 17, for the liquid, by pipes 18, 19 and the slot 15 forming an opening through which the liquid may be discharged into the containers by the pistons 20. As the cylinder passes the slot 14, the piston is raised and after passing the slot, the piston is raised a little further to prevent loss of liquid whilst the cylinder is travelling to the discharge position. The containers are carried by a conveyer 31 and pass to locator gaps 9 in a rotary member 8 and rotate with the cylinders during the filling operation and are removed by the transfer turret 32.