baber/WOPTO huggingface dataset:
Patent GB-403432-A (GB)
Title: Improvements in and relating to jig-saw puzzles
IPC: A63F9/10
Filed: 1932-06-10
Abstract: 403,432. Jig-saw puzzles. YORK, A. G., 196, Avenue Road, Acton, London. June 10, 1932, No. 16440. [Class 132 (iii).] A jig-saw puzzle having one or more portions raised in relief has the pieces constituting the raised portions superposed upon separate detached underlying pieces agreeing in their assembled outline with the raised portions but of less thickness than the rest of the assembly. The puzzle comprises pieces b and predetermined portions of the picture formed of pieces b<1> which are stepped as regards the pieces b by being superposed on pieces c thinner than the pieces b. The pieces c differ in number and shape from the pieces b<1> but the outline of the assembled pieces c coincides with the outline of the assembled pieces b<1> so that the pieces c and the surrounding pieces b form a recess to hold the pieces bl in position. The pieces b<1> need not be coloured or printed to show any part of the picture but may be white or left plain. The portions raised in relief usually form complete figures or objects in themselves. The pieces bl are preferably of the same thickness as the pieces b so that no indication is given as to which pieces belong to the relief portions. The pieces c may be one half the thickness of the pieces b or bl. The picture may be in more than two planes as shown in Fig. 5, the thickness of the pieces c and c<1> being the same but the thickness of the superposed pieces b<1> and b<2> being different, or vice-versa. A cover plate d is provided having one or more apertures d<1> fitting around the relief portions to protect and emphasize them. The pieces b, b<1> and c are preferably made from plywood and the cover plate d may be of cardboard and white and of such thickness as to be flush with the top of the raised pieces b<1>. A base plate a is provided.
Patent GB-351205-A (GB)
Title: Improvements in looms for weaving wire fabrics
IPC: D03J1/22
Filed: 1930-05-28
Abstract: 351,205. Looms for weaving wire fabrics. VEREINIGTE STAHLWERKE AKT.-GES., 67, Breitestrasse, D³sseldorf, Germany. May 28, 1930, No. 16529. Convention date, July 8, 1929. [Classes 142 (ii) and 142 (iii).] Selvages, forming and protecting; weft tension, regulating apart from shuttles in shuttle looms.-To ensure the formation of proper selvages in wire weaving looms, particularly when weaving narrower fabrics than the width of the loom, weft wire holders 3 each having leaf springs 4, 5 bearing against each other and movable against the action of a spring 10 about a pivot 9 are arranged beyond the selvageholding pins 2. When the lay moves forward, wire from the shuttle 8 is forced between the leaf springs. When the shuttle passes through the shed, the weft pulling on the holder 3 causes it to turn on its pivot 9 against its spring 10 towards the selvage pin 2, further movement of the shuttle withdrawing the weft loop 6 from between the springs 4, 5 and causing it to lie on the pin 2. The holder 3 returns to its normal position when the weft is withdrawn from it.
Patent GB-202108-A (GB)
Title: Improvements in or relating to gas burners
IPC: F23D14/34
Filed: 1922-06-15
Abstract: 202,108. Lee, H. W., and Juffs, W. E. June 15, 1922. Gas burners, solid-flamc.-A gas burner comprises a tube A connected at one end to a gassupply pipe D and fitted at the other end with a cap B having a tube or nozzle E and an aperture or nozzle F arranged to discharge gas in two open streams, which converge to a point L and are there ignited. The two streams of gas induce a flow of air to mix with the gas.
Patent GB-221481-A (GB)
Title: Improvements in or relating to the construction of the ends of explosion chambers in internal combustion engines
IPC: F02F1/42
Filed: 1924-07-10
Abstract: 221,481. Soc. Anon. des Automobiles et Cycles Peugeot. Sept. 6, 1923, [Convention date]. Cylinders, construction of.-Cylinder heads and valve seatings, which are made of different metals, e.g. aluminium or the alloy known by the Registered Trade Mark " Alpax " and aluminium bronze respectively are united in casting the head. The valve seating 5<a> are formed on holes 5 in a plate of material which also has holes 6 which may be beveled as shown. These holes are filled with molten cylinder-metal to the dotted lines to form studs 8, which may afterwards be flattened; they need not be circular. As shown, the plate has a flange 9 which is also embedded in casting; the cylinder head need not be detachable.
Patent GB-612860-A (GB)
Title: Improvements in or relating to electric radiators
IPC: F24H3/00
Filed: 1946-05-31
Abstract: 612,860. Electric radiators. ALADDIN INDUSTRIES, Ltd., HEBARD, H. C., and DEARING, B. S. May 31, 1946, No. 16627. [Class 39 (iii)] [Also in Group XXXVI] An electric radiator comprises a number of metallic units each consisting of two parallel walls 1 with connecting passages Sa between them, heating elements 7 being disposed between adjacent units and provided with means for making electrical contact through the passages, mechanical connecting devices 13 surrounding the peripheries of adjacent units. Each metal wall 1 has pressed out at its upper and lower ends a frusto-conical portion 2 having a lip 3 to which are brazed tubular connecting portions 4 and 5. Channel-shaped metal strips 13 extend round the peripheries of adjacent units, the ends of the strip being secured below each unit. The heating elements 7 consist of wire wound on asbestos sheet and enclosed by an insulating wrapping, e.g. tape. The elements are connected top and bottom electrically, by channelshaped members 8 having a blade 9 at one side and tongues 10 and 11 at the other, between which blade 9 of the adjacent member can engage. Between two sets of units is a central casing 23 carrying supply leads, pilot light, and an external heating element 24.
Patent GB-269760-A (GB)
Title: Process and apparatus for making central triple reflectors
IPC: C03B11/08
Filed: 1926-07-02
Abstract: 269,760. Stimson, J. C. July 2, 1926. Reflectors.- A method of forming central triple reflectors, of the kind described in Specification 270,790 consists in using a moulding-surface or matrix formed by the ends of a number of bars assembled side by side and clamped together, the ends of the bars being suitably shaped to produce a reflector of the desired configuration. In making the reflectors by pressing glass, the press plunger consists of a number of steel bars 3, Fig. 1, hexagonal in cross section, which are clamped in the press head, as shown. The lower ends of the bars are bevelled off to form a series of cubic formations that produce a surface of which each reflecting unit 63, Fig. 7, consists of three sides of a cube. The bars may be of other suitable shapes, and as shown in Fig. 12, square bars with ends perpendicular to their axes may be assembled in an inclined position in the body 50 of the mould. Hollow reflectors may be made by depositing metal electrolytically on a pressed glass plate, formed as described, or on a matrix formed by elements similar to the bars 3.
Patent GB-421513-A (GB)
Title: An improved surgical instrument for treatment of prolapse of vagina and uterus in animals
IPC: A61D9/02
Filed: 1934-06-05
Abstract: 421,513. Pessaries. AHMAD, C. M., Punjab Veterinary College, Lahore, Punjab, India. June 5, 1934, No. 16699. Convention date, June 15, 1933. [Class 81 (ii)] An instrument for treatment of prolapse of the vagina and uterus in animals comprises an open-ended metal tube J the anterior end I of which supports the os uteri while the posterior end is shaped to fit the vulva and is secured thereto by sutures passing through holes G. The instrument may also be secured to the animal by tapes passed through a ring or hook N. A perforated lid D is provided. The dorsal surface of the tube may be convex and provided with grooves A to accommodate the folds of the vagina, and perforations B are provided for the escape of discharges. The ventral surface is concave to avoid pressure on the bladder and it contains perforations (not shown) to permit the discharge of urine.
Patent GB-952566-A (GB)
Title: A mixer, particularly a concrete mixer
IPC: B28C5/08
Filed: 1962-05-01
Abstract: 952,566. Concrete mixers. P. AUGUST. May 1, 1962 [Aug. 4, 1961], No. 16706/62. Heading B1C. [Also in Division B8] In a concrete mixer having a mixing drum 10, Fig. 1, movable on rails from a lower, charging position to an upper, discharging position, the rails 7, 8 are of channel section in which the collars 9, 12 are guided. The drum is charged through an opening 15 and raised and lowered by cables 17 wound by an electric motor 18. A stirrer in the drum may be operated by the winch motor or by a hydraulic or other motor 14. When the drum reaches its lower position it activates through mechanical, electro-mechanical or hydraulic linkage a discharge cock to supply an adjustably predetermined quantity of water from a tank and metering device 25, Fig. 2 (not shown), (see Division B8) via a pipe 44 and a nozzle header 50 which extends the length of the drum. Downward movement of the drum to the charging position is arrested by the switch 52 until the required quantity of water is available from the device 25. The switch 19 is activated when the rope 17 becomes slack to disconnect the motor 18 when the drum reaches its lower position; raising of the drum is initiated by a switch provided on or operated by a drum charging device. When the drum reaches its upper position it is tilted by engagement of the rollers 12 in the horizontal portion 7<SP>1</SP> of the rails 7, and discharges through a shoot 16 into a hopper 55 ; if the latter is too full its weight actuates a contact 58 operating a switch 59 which stops the drum winding motor 18 and starts it again when the hopper is able to receive a further batch.. The winding motor may be a pole-changing electric motor arranged to operate, when lowering the drum, at twice the lifting speed; it may have a brake which operates automatically when the current is disconnected.
Patent GB-1095918-A (GB)
Title: Catalyst and process for polymerizing ethylene
IPC: C07C2/24
Filed: 1965-04-21
Abstract: Ethylene is polymerized in the presence of a catalyst comprising an alkali metal disposed on a substantially anhydrous solid support which has a surface area of 25 to 500 or more m.2/gm. and has been promoted by treating with a salt or hydroxide of an alkali metal or alkaline earth metal and subsequently calcining.  Polymerization may be effected in an autoclave at 100-200 DEG  C., 34-170 atmospheres and the product comprises a slightly branched liquid olefin having 8-18 C associated with high molecular weight solids.  Examples IV and V describe the preparation of typical low ethylene polymers.ALSO:A polymerisation catalyst comprises an alkali metal disposed on a substantially anhydrous solid support having a surface area of 25 to 500 or more m2/gm. which has been promoted by treatment with a salt or hydroxide of an alkali or alkaline earth metal and thereafter calcining.  All alkali metals (except Fr) are specified.  the preferred support are g -Al2O3, SiO2, SiO2-ZrO2 and SiO2-Mgo. Specified promoters are LiOH, NaOH, KOH, CsOH, RbOH, Mg(OH)2, Ca(OH)2, Sr(OH)2, Ba(OH)2, LiNO3, NaNO3, KNO3, CaCO3, MgCO3, Na2CO3, Li2CO3, CH3COOLi and (COONa)2.
Patent GB-612765-A (GB)
Title: Improvements relating to electromagnetic switches
IPC: H01H50/64
Filed: 1946-06-01
Abstract: 612,765. Electromagnetic switches; switch contacts. CONTACTOR SWITCHGEAR, Ltd., and LIWSKI, J. F. June 1, 1946, No. 16720. [Class 38 (v)] The floating armature 11 and the moving contacts of an electromagnetic switch are mounted on a pivoted member A, Fig. 6, which is made of moulded insulating material, the armature being attached to an arm 8 on the member A as shown in Fig. 2 by bolts 12, 13 which pass loosely through holes in the arm 8 and are surrounded by springs 17, 16. The moving contacts are floatingly mounted on fixed pins 26 anchored in compartments 19 in the member A. Each contact is loosely mounted on its pin as shown in Fig. 3 and is retained in position by a spring 27. When the armature is attracted by the magnet 2, the moving contacts engage fixed contacts 22. The member A is pivoted at its ends in brackets 7 extending from the back plate 1 of the switch.
Patent GB-1469635-A (GB)
Title: Moulding building elements
IPC: B28B7/00
Filed: 1973-04-07
Abstract: 1469635 Fracturing building elements during moulding D J HAINES 18 March 1974 [7 April 1973 20 July 1973] 16801/73 and 34698/73 Heading B5A A building element is moulded by placing semi-dry material (e.g. concrete) in a mould box 12, incorporating in the material a frame 16 which supports a number of elongate elements 17 (see Fig. 2), the elements lying in, or extending to, a plane spaced from a wall of the mould box, compacting the material about the frame and elements, and then moving the frame and elements relative to the plane so as to fracture the compacted material generally along the plane. Some material is removed with the frame and elements, with the remaining material constituting the building element and having a fractured face with a random split appearance. The steel frame 16 supports a network of rods 17 lying in a common plane; the rods are supplemented or replaced by barbed rods passing normal to, but having enlarged heads lying in, the plane. The rods mark patterns such as grids, circles or squares on the building element and can be inserted in the bottom of the mould bar 12, or in a vertical array. As shown, the frame and rods are mounted on a tamper plate 14 that compacts the concrete aided by a vibrating mould bottom, walls or tamper plate. The mould box 12 is then lifted away completely or partially (see Fig. 4) while the concrete is held down by the tamper plate 14, whereafter fracturing is effected. Alternatively, the mould base 11 is lifted through the mould box, the mould box is lowered, and/or the apparatus is mounted on a machine movable over the floor for laying concrete elements on the floor. Concrete lifted away with the frame and rods is vibrated into a clean mould box. Uses.-Wall blocks, pavings, fireplace tiles.
Patent GB-169499-A (GB)
Title: Improvements in or relating to belt forks
IPC: F16H7/22
Filed: 1920-06-23
Abstract: 169,499. Perrins, F. G., and Darrah, H. M. June 23, 1920. Operating belt forks.-A cylindrical block l carrying forks o mounted adjustably thereon by set-screws p<1> is reciprocated in a fixed bar a through a link k by a crank f, the radius of which is adjustable. The crank f is mounted on a shaft e carried in a bracket c adjustably secured on the bar a, and the shaft e is operated by a chain pulley g. The crank-arm f is slotted and the outside face is serrated at f<1> to engage serrations on a tubular member i secured thereto by a bolt j. The member i constitutes the crank-pin and has a flange i<1> to retain the connecting-rod k in position. The link k is mounted on a pin n of a collar w adjustably secured on the block l. Lugs c<1>, c<1> limit the movement of the crank to lock the forks at the end of the stroke. The bracket c may be changed from one side of the block l to the other.
Patent GB-711751-A (GB)
Title: Improvements in and relating to directional electric switches
IPC: H02K11/00
Filed: 1952-07-07
Abstract: 711,751. Centrifugal switches; actuation of switches; control of A.C. motors. GENERAL ELECTRIC CO. July 7, 1952 [July 5, 1951], No. 17023/52. Classes 38(3) and 38(5) A switch for controlling an instantly reversible single-phase A.C. motor comprises a pair of independently movable contact arms, one on either side of the motor shaft, biased to the closed position by a centrifugal mechanism below a predetermined speed and being allowed to move to the " open" position when the predetermined speed is reached, one or other of the arms being held in the first position by a device responsive to the direction of rotation. The centrifugal mechanism, which may be that of Specification 504,678, acts on an axially-movable sleeve 12 which engages wear pads 22 on the free ends of the contact arms 20, 21 which are mounted on a plate 17. The sleeve 12 is moved to the left, Fig. 2, below the predetermined speed so that contact pairs. 23, 26 and 24, 27 are closed. Each contact arm 20, 21 has a hook 34 or 35 respectively lying in the path of hooks 32, 33 secured to the outer race 30 of an anti-friction bearing, the inner race 29 of which is secured to the shaft 3.' Assuming a selector switch 39 to be in the position shown in Fig. 6, the motor rotates in the direction of the arrow 36, Fig. 3, with the contact pairs closed until the predetermined speed is reached. At this speed, the sleeve 12 is moved to the right, Fig. 2, thereby permitting movement of arms 20, 21 to the right. However, due to movement of the outer race 30 in the direction of the arrow 37. due to the anti-friction elements 31, the hook 32 is engaged with hook 34 so that the arm 20 is retained in its closed position. Movement of arm 21 opens contacts 24, 27 and disconnects the motor starting winding 5. Although contacts 23, 26 are held closed, the circuit is broken at the contact 38 of the switch 39 and is only made when the switch 39 is changed over when it is desired to reverse the motor. When this happens, the winding 5 is energized in the reverse direction to slow down the motor which stops and then re-starts in the opposite direction. Contacts 24, 27 are re-closed as the motor slows down and are held closed by the engagement of hooks 33, 35, due to movement of race 30 in the direction opposite to that shown by arrow 37. Contacts 23, 26, however, open when the motor speeds up and the winding 5 is cut out again. The circuit is then ready for reversal of switch 39 again.
Patent GB-355390-A (GB)
Title: Improvements in follower mechanism for the magazines of small arms
IPC: F41A9/84
Filed: 1930-06-02
Abstract: 355,390. Smallarms. PEDERSEN, J. D., The Grange, Knockholt, Kent. June 2, 1930, No. 17033. [Class 119.] Relates to the follower of a magazine adapted to receive a clip containing a double row of cartridges, and consists in so arranging the follower or the step thereof that it is automatically moved to the right or to the left by the clip so that the step may accommodate itself to whichever row of cartridges is the higher. As shown in Figs. 7 and 11, the step 25 is hinged on a longitudinal axis 26 to the follower 19, and is normally held in the central position by blade springs bearing against the flat base of the step. When a clip of cartridges is inserted, the lowermost cartridge deflects the step 25 to one side or the other, as in Fig. 11, where it supports both rows of cartridges. This follower is actuated and the empty magazine is ejected as described in Specification 291,779, [Class 119, Smallarms]. In a modification, Figs. 14 and 17, the step 25 is integral with the follower 19, which is moved bodily to one side or the other about its pivot 30 by the cartridge clip, but is normally held in the central position by the spring 32 which operates the follower to feed the cartridges. The clip is as described in Specification 355,389.
Patent GB-561808-A (GB)
Title: Improvements in gearing applicable to electric clocks, time switches, recording instruments delay action mechanisms and the like
IPC: G04C15/00
Filed: 1942-12-01
Abstract: 561,808. Dynamo-electric machines. HEMMINGS, J. Dec. 1, 1942, No. 17070. [Class 35] [Also in Groups XVIII and XXIV] Gearing, applicable to electric clocks, time switches, recording instruments, delayed action mechanisms and the like, comprises a bank of units mounted on a single shaft each unit comprising broadly an outer crown wheel with which gears an inner wheel mounted on an eccentric on the shaft or on the boss of a crown wheel, means being provided to cause the inner wheels to gyrate. As applied to an electric' clock, the frame consists of two double plates 1, 2 bent to form right-angled extensions 1a, 2a and an end wall 1b. The field coil 3 of the motor is supported on the extensions 1a, 2a, and a gap 4 is left between the plates I, 2. Facing this gap and spaced therefrom by washers 6 is a plate 5 having a bearing 5a for the shaft 11 of a synchronous motor the rotor 8 of which is located in the gap 4 and is mounted on a bush 9 secured to the shaft 11 and carrying a knob 10, a fly-wheel 12 and spring arms 13 engaging pins 14 secured to the fly-wheel and entering holes in the rotor 8. Each gear unit comprises a crown wheel such as 15, Fig. 2, within which is wheel 16, with slightly fewer teeth, mounted, as to the first wheel, on an eccentric 19 on the shaft 11 and, as to subsequent wheels 15a, 15c on an eccentric boss 20 of a preceding crown wheel. Each inner wheel is prevented from rotating about its own axis by being secured to a plate 17, a slot in which engages a pillar 18. The last crown wheel 15c has a tubular boss 21 with which engages frictionally a bush 22 supported in a bearing 23. The bush 22 is integral with a pin 25 carrying the minute hand 26 and has an eccentric boss 24 on which is mounted a wheel 16d gearing with a crown wheel 15d the boss 30 of which carries the hour hand 31. The rotor shaft 11 has a squared end 27 adapted to enter a square recess 28 in the bush 22 to set the hands when the knob 10 is pushed in against a spring 29.
Patent GB-786359-A (GB)
Title: Electrodes for high-pressure gaseous arc discharge devices
IPC: H01J61/073
Filed: 1955-06-15
Abstract: 786,359. Discharge lamps. GENERAL ELECTRIC CO. June 15, 1955 [July 12, 1954], No. 17204/55. Class 39(1). A refractory metal self-heating electrode 4, 5 for H.P. arc discharge devices comprises a straight metal wire 13 with a discharge supporting tip 18, a metal wire 14 coiled around the wire 13 and spaced longitudinally from the tip 18, and a sliver 15 of thermionically active metal, such as thorium, between the coil 14, and the wire 13. A second metal wire coil 16 is arranged around and coaxial with the first coil 14, the turns of the coil 16 being spaced radially from the turns of the first coil 14, at least at the ends of the coils in the vicinity of the tip 18, and being spaced longitudinally from the tip 18 a distance which is at most as great as that between the coil 14 and the tip. The turns of the coil 16, at least nearest the tip 18, have a lower thermal inertia than the tip 18 and the turns of the first coil 14, e.g. by being made of finer wire than the wire of the coil 14 or the wire 13. The outer coil 16 can extend in both directions beyond the inner coil 14 and the two coils can be welded to each other, preferably about midway between their ends at 17. The wires 13, 14 and 16 can be made of tungsten. The quartz arc discharge device 1 comprises, besides the electrodes 4, 5, a tungsten starting electrode 6 having a fine wire loop 6<SP>1</SP>, a starting gas such as argon at a pressure of about 2 cms., and a quantity of mercury 7 to provide in operation an unsaturated mercury vapour atmosphere of one to several atmospheres pressure. The electrodes 4, 5 and 6 are connected to leadin wires 8, 9 and 10 which can be of molybdenum and have foliated portions 11 hermetically fused in the quartz seals 2 and 3. The outer end of the starting electrode 6 overlaps and is welded to the foliated portion 11 of the lead-in 10. The electrode 4 is welded to the lead-in 8-11 at 12. The device 1 can be enclosed in an outer glass jacket filled with an inert gas such as nitrogen at a pressure of about half an atmosphere at room temperature. The dimensions of the device 1 are stated.