baber/WOPTO huggingface dataset:
Patent GB-322495-A (GB)
Title: Improvements relating to coin-freed apparatus
IPC: G07F11/14
Filed: 1928-09-06
Abstract: 322,495. Schalie, H. van der. Sept. 6, 1928. Delivery of articles stored in piles; coin action, mechanical-connection and multiple-coin. - A coin-freed apparatus of the kind having a horizontal recessed coin slide is fitted with means for releasing the slide when two or more superposed coins have been placed in the recess. The coin slide 4 has a recess 5 deep enough to accommodate two or more coins and is connected to a bent lever 7 carrying the the coin slide and then engaging with projections 10<a> on spring-pressed pawls 10, corresponding in number with the coins, to lock the slide against further movement unless the required number of coins have, been placed in the slide, so as to engage projection 10<b> on the pawls and thus release the projections 10<a> from the notch and free the slide. Further movement of the slide and handle operates through linkage 15, the ejector 12 which causes the lowermost package 1 in the container 2 to protrude beyond the flap 20 the delivery slot. The ejector carries a pin 16 engaging a slotted slide 17 having an upward projection 17<a> adapted to engage the tail of a pivoted stop 18. When the container is empty, a projection 3a on the weight engages the stop 18 and prevents the completion of the back stroke and permits the removal of the coins. In a modification, the packets 1, Fig. 6, are pressed upwards by a spring 41 and the coin slide 24 has an underneath projection forming an ejector and is connected to the operating handle 27<b>. On the completion of the backward stroke of the coin slide, the upermost packet is pressed upwards and on the forward stroke is pushed outwards through the delivery slot 40.
Patent GB-763748-A (GB)
Title: Improvements in or relating to method and apparatus for casting plastic reinforced pipe
IPC: B29C41/46
Filed: 1954-09-03
Abstract: A method of making plastic reinforced pipes (see Group V) comprises the steps of (i) applying a tube of reinforcing fabric to the inner wall of a cylinder (ii) introducing a sufficient quantity of liquid thermosetting plastic material (iii) applying heat to the cylinder (iv) rotating the heated cylinder at high speed to distribute the plastic and embed the fabric therein (v) continuing the heating and rotation to set the plastic and produce a reinforced internal coating.  As shown in Fig. 2, two cylinders 12 are enclosed in an oven 10 which has insulating walls and electric heaters 14.  The walls comprise two right-angular sections 28, which may be opened about hinges 26.  Each cylinder 12 is supported on rollers 32 which are journalled in arms 34, the bottom ends of which are pivoted at 35.  By moving the arms 34 and fixing them by lock bolts 38 the height of the rollers may be adjusted to provide for different-sized cylinders.  The cylinders 12 are held down on their rollers 32 by rollers 44 on the ends of transverse arms 45 pivoted <PICT:0763748/III/1> <PICT:0763748/III/2> <PICT:0763748/III/3> <PICT:0763748/III/4> at 46.  The ends of the cylinders rest in flanged collars 50, Fig. 4, held in the oven ends, packing 52 being interposed.  A sheet 72, e.g. of glass fibre matting, is wrapped two or three times round a split sleeve 70, Fig. 6, one edge being retained in the slot 70a, and the sleeve is inserted in the cylinder 12.  The cylinder is then spun in a direction opposite to the wrapping, which is thereby laid against the inner wall of the cylinder.  The sleeve 70 is removed.  The cylinder ends are closed by threaded heads 54, each having a vent 55.  A pipe 75, Fig. 5, passes through the vent 55 and is supplied with plastic mixture from a tank 80 in which resinous material from a measuring tank 82, supplied from a main tank 85, is mixed with accelerator from a measuring tank 89. The mixture is forced through the pipe 75 by air pressure, and may be sprayed on the sheet 72 through perforations in the pipe.  Motors 15 rotate the cylinders 12 at high speed through belts 60 and the plastic is centrifuged into the fibre and is cured by the heat of the oven.
Patent GB-1174206-A (GB)
Title: Improvements in or relating to movable support assemblies for mineral mines
IPC: E21D23/00
Filed: 1968-05-29
Abstract: 1,174,206. Advancing mine roof supports. GEWERKSCHAFT EISENHUTTE WESTPALIA. 29 May, 1968 [20 Oct., 1967], No. 25707/68. Addition to 1132252. Heading E1P. In an advancing mine roof support assembly comprising two frames I, II arranged in parallel for alternate advance by jack means not shown and wherein the shifting distance of each frame is greater than the spacing therebetween, the frames are interconnected by at least one aligning device R which is fully extended and disposed obliquely relative to the shifting direction when the frames are aligned as shown. The aligning device is in the form of one or more piston and cylinder units for details of which together with mode of attachment to the props the Specification and remaining drawings (not shown) should be referred to.
Patent GB-412166-A (GB)
Title: Improvements in and relating to die casting
IPC: B22D17/14
Filed: 1932-09-16
Abstract: 412,166. Casting-machines. ARMATUREN-U. METALLWAAREN-FABRIK S. LANG, 49, Davidgasse, Vienna. Sept. 16, 1932, No. 25783. Void [Abridged as open to inspection under Sect. 91 of the Acts, Sept. 26, 1932]. [Class 83 (i).] Moudls ; castings, extracting.-A machine for casting liquid material under pressure has a mould or moulds 14 each containing a filling piece 15 which is displaced by the material forced in by a plunger 10. The gate 11 is closed by a spring-pressed bottom piston 6 until this is depressed by the injection pressure and the material then forces a filling piece B in the gate in the direction p<1> and enters around extensions 16 of the pieces 15 which are thus forced in the same direction. This movement is limited by graduated adjustable stops 17 on a bridge 20, which can slide on guides 18 of a frame 19, which carries the mould block 13 and is movable by hand or hydraulic power on guides 24. After casting, the mould block 13 is moved in the direction p<2>, the bridge 20 being arrested by stops 25, Fig. 2, eject the casting. Stops 26 restore the bridge to its original position when the block 13 is pressed against the nozzle plate 5. In a modification a nozzle plate is dispensed with, the mould liners 14 having conical extensions 14<a>, Fig. 4, to engage corresponding openings in a flat wall 2<a> of the injection cylinder.
Patent GB-318249-A (GB)
Title: Method of and apparatus for forming cigar bunches
IPC: A24C1/02
Filed: 1929-08-23
Abstract: 318,249. M³ller, J. C., (trading as M³ller, J. C., [Firm of]). Sept. 1, 1928, [Convention date]. Cigar-making machines.-In forming cigar bunches, a heap of tobacco, deposited from a feed band 1 and hopper into a moulding-box 3, is first pressed sideways against the wall 8 of the box by a cigar-shaped die 7, and is then pressed vertically by a similarly shaped die 9. The bottom of the box 6 is then moved sideways so that the bunch is pressed by the die 9 into a rolling-apron 11. In order to present the moulded bunches with the more pointed ends alternately in opposite directions, two separate dies may be used alternately, or a single die with two different operating-surfaces, or a single die with one operating-surface which is reversed at each operation. The horizontal die may have different surfaces at opposite sides and be pushed alternately right and left, in which case there would be two vertical dies and two rolling-aprons. The die 7 is rotated through 180‹ at each operation by rack gearing 18, 19 and cam mechanism.
Patent GB-884168-A (GB)
Title: Insecticides
Inventor: FAATZ WERNER
IPC: A01N57/20
Filed: 1960-07-25
Abstract: An insecticidal composition comprises a mixture of 0.5 to 99.5% of a b b -dichlorovinyl phosphoric acid dialkyl ester and 99.5-0.5% of a b b b -trichloro-a -hydroxyethyl phosphonic acid dialkyl ester, preferably the dimethyl ester of each compound. Solid or liquid diluents may also be incorporated.
Patent GB-226905-A (GB)
Title: New method for constructing frames, for children's toy cycles and tricycles
IPC: B62K3/00
Filed: 1923-10-17
Abstract: 226,905. Smith, R. F. Oct. 17, 1923. Bicycles; tricycles; frames. - Frames of children's toy cycles are constructed from two lengths 4, 5 and 6, 7 of solid half-round metal rod each of which is bent at 10, 11 to embrace the head 8 and the seat pillar 9, the parts being brazed or welded together so that the lengths 4, 6 constitute round bars. The parts 5, 7 are separated to embrace the back wheel or wheels and the flattened ends are bored and slotted respectively to receive the wheel spindle. Ir the case of a girl's cycle the part 4 is replaced by a length of similar material which embraces the head 8 and the seat pillar 9 at a lower point.
Patent GB-199650-A (GB)
Title: Improvements in resilient ferrules or tips for crutches, wooden legs, walking sticks and the like
IPC: A61H3/02
Filed: 1922-09-26
Abstract: 199,650. Adams, E. L. Sept. 26, 1922. Ferrules.-A ferrule for crutches, wooden legs, walking-sticks, &c. comprises a socket a of moulded rubber &c. and a cup-shaped metal liner b located therein for receiving the stick &c. A flange c of the liner, which may be screw-threaded, engages the rim of the socket, and a space d between the base of the liner and the bottom of the socket forms a pneumatic cushion. The liner prevents the tendency of the stick to pierce the base of the rubber socket.
Patent GB-1381029-A (GB)
Title: Rear-view mirror system in a road vehicle
IPC: B60R1/10
Filed: 1972-06-03
Abstract: 1381029 Vehicle rear view mirror system WINGARD Ltd 1 June 1973 [3 June 1972] 26014/72 Heading B7J A vehicle rear view mirror system comprises a first mirror 1 which extends through the vehicle roof upwardly and rearwardly at an acute angle to the horizontal and adjacent the upper edge of the front windscreen, and a second mirror 2 which extends from the same position as the first mirror downwardly and rearwardly at an acute angle to the horizontal, light rays from the rear of the vehicle being reflected through a transparent window 8 to the vehicle driver. The mirrors may be mounted in a wedge-shaped housing 3 of sheet metal or plastics. The angle between the mirrors is preferably 51 degrees 26 minutes with the inclination of mirror 1 to the horizontal 26 degrees. A clear glass sheet may be interposed between the mirrors to reduce dazzle.
Patent GB-321273-A (GB)
Title: Improvements in or relating to welding machines
IPC: B23K5/08
Filed: 1928-09-11
Abstract: 321,273. Gas Accumulator Co. (United Kingdom), Ltd., (Eskilson, S. A.). Sept. 11, 1928. Radiators.-A machine for welding gas radiator sections &c. in which the work pieces are moved past a burner or burners, is constructed so that the burner or each burner is guided by the ride of the coach near the joint but independent thereof so as to maintain the burner in position opposite the joint in spite of any irregularities therein. In welding the edges of a number of pairs of sections, the sections 15, 16 are arranged in pairs with spacing plates 17 on a pair of arms 13 projecting from a block or a pair of blocks 10, 11 connected by a rod 12, which are mounted in a slot 8 in a carrier 7 pivotally mounted on a shaft 6. Secured to the arms 13 is a mangle rack 26, which is of shape similar to the sections and is connected to a driving shaft 37, mounted on a vertically adjustable frame 30, by worm gear 36, 35 and spur gear 32, 27 so as to traverse the work holder in the carrier 7 under a number of oxyacetylene burners 25 and then to rotate the carrier and so on until the cycle of operations is completed. Each end of the work holder is connected by a pair of chains or cords 54 - - 57 to a pair of weights 50, 51 mounted in guides in the carrier so as to counterbalance the weight of the parts during rotation. The burners are carried by blocks 70 which are pivoted at 71<1> to levers 72 pivoted at 73 to arms 74 on a rock shaft 75. The blocks are connected to the levers 72 by adjustable springs 95 so as to press guides 100 carried thereby into contact with the sides of the adjoining edges of the blanks. The rock shaft is carried by arms 76, 77, which are pivoted to a shaft 78 supported in brackets 79, the arm 77 having an extension with a roller 111 running over a guide plate 112, which has curved ends 113 so as to maintain the same angular position of the burner with respect to the work throughout the operation. The rock shaft is oscillated by a cam 91 on the driving shaft through a lever 87, link 86 and arm 85 so as to reciprocate the burner backwards and forwards along the joint to imitate hand welding. The blanks before insertion over the arms. are mounted in notched bars 125, one of which has connected thereto an elevated notched bar 130. The bars 125 are braced together, and are suspended by a rod 133 with a roller head travelling on an overhead support bar 136 and are provided with handles 129 for pushing them on to the arms 13.
Patent GB-1369393-A (GB)
Title: Sealing device
IPC: F16J15/32
Filed: 1973-05-31
Abstract: 1369393 Piston and rod packing GREENE TWEED & CO Inc 31 May 1973 [5 June 1972] 26114/73 Headings F2B and F2T A sealing assembly, e.g. for a piston or rod, comprises an elastomeric T-section sealing ring having axially extending legs 20, 22, converging side faces 17, 18 merging into converging peripheral faces 14, 16 defining a sealing edge 12 and an annular recess 24 in the peripheral surface opposite the sealing edge, and complementary anti-extrusion rings 28, 30 adjacent each side face and leg and of trapezoidal cross-section. In the embodiment shown in Fig. 4, the assembly is housed in a groove 32 of one, 34, of the members 34, 36 to be sealed thereby. The ring 10 maybe made of nitrile rubber or a fluorinated elastomer and the rings 28, 30 may be of a self-lubricating bearing material such as nylon, P.T.F.E. or mixtures thereof. In a modification, Fig. 5 (not shown), the recess (24<SP>1</SP>) is filled with a core (38) of elastomeric material, e.g. silicone rubber or fluorosilicone rubber, which is more deformable and flexible than that of the ring (22<SP>1</SP>).
Patent GB-833867-A (GB)
Title: Neopentyl glycol alkyl phthalates
IPC: C08K5/12
Filed: 1958-08-14
Abstract: The invention comprises esters of formula <FORM:0833867/IV (b)/1> wherein R is an alkyl residue of a monohydric aliphatic alcohol which contains at least 6 carbon atoms and is such that the ester is liquid at room temperatures and n is 0 or 1.  They are used as plasticizers in polyvinyl chloride resins (see Group IV(a)).  They are prepared by mixing appropriate amounts of a phthalic acid, an alkanol preferably having 6-10 carbon atoms and neopentyl glycol with an esterification catalyst such as sulphuric, phosphoric or p-toluenesulphonic acid and refluxing in the presence of a water-entraining solvent such as hexane, toluene or xylene.  In examples, the esters wherein R is iso-octyl and n is O and R is decyl and n=1, the -C6H4- residue being derived from o-phthalic acid, are prepared.ALSO:Polyvinyl chloride resins are plasticized by the addition of esters of formula <FORM:0833867/IV (a)/1> wherein R is an alkyl residue of a monohydric aliphatic alcohol which contains at least 6 carbon atoms and is such that the ester is liquid at room temperatures and n is 0 or 1 (see Group IV (b)). Homopolymers of vinyl chloride or its copolymers with, for example, vinyl acetate or the alkyl esters of maleic or fumaric acids, may be used.  In examples compositions of polyvinyl chloride and barium cadmium laurate, or of a copolymer of vinyl chloride and vinyl acetate with barium cadmium laurate and titanium dioxide are plasticized with esters of the above formula and the properties of the plasticized resin compared with similar compositions using other plasticizing esters.
Patent GB-497386-A (GB)
Title: Machine for ornamenting bricks
IPC: B28B11/08
Filed: 1937-09-28
Abstract: 497,386. Roughening bricks. BENTLEY, L., and GARFORTH, E. Sept. 28, 1937, No. 26189. [Class 87 (i)] A machine for ornamenting bricks comprises a vibrating ram or rams having means for imparting an intermittently revoluble motion thereto and carrying cutters adapted percussively to engage the bricks, and means for intermittently feeding the bricks beneath the ram. The rams 10 slide in guides 11 and are reciprocated by cams 9 and springs 13. Eccentrics 14 on the drive shaft 6 are adjustably connected by rods 15, 18 to levers 16, which carry pawls 17 engaging ratchet wheels 19 which impart an intermittent motion to the conveyer belt 2. A disc 24 is driven by a belt 22 from the axle 4 of a wheel 19, and a universally coupled rod 25 connects the disc 24 to a stud on a collar 12 on the ram, so as to impart an intermittent turning movement to the ram. The rams carry a number of radial knives 29 having serrated edges which stipple the bricks on one or more sides. One of the shafts 4 may carry a cam 32 which, through a lever 36, reciprocates a knife 35 to produce a wavy pattern on the bricks.
Patent GB-253066-A (GB)
Title: Improvements in the manufacture of surfaced paper sheets and boards
IPC: D21H19/54
Filed: 1925-10-20
Abstract: 253,066. Blombery, G. F. June 4, 1925, [Convention date]. Emulsions, making.-Paper sheets or boards are finished by filming the surfaces thereof with rubber associated with sizing and surfacing materials. The rubber may be in the form of latex or in an emulsified condition, and a small amount of ammonia may be added to maintain the rubber in a mobile condition. The surfacing materials may comprise kaolin, blanc fixe, satin white, barytes, talc, precipitated chalk, zinc oxide, &c.. and the sizing material may consist of casein in an alkali solvent, glue, starch, gums or resins. When operating with coagulated raw rubber a putty-like product is first obtained by causing the rubber to absorb a large quantity of water, this product being emulsified 'with kaolin or like colloidal clay and the sizing &c. materials finally introduced.
Patent GB-264584-A (GB)
Title: Improvements in or relating to the heat treatment and concentration of ores
IPC: C22B1/08
Filed: 1925-10-21
Abstract: 264,584. Edser, E., Taplin, B., and Metals Production, Ltd. Oct. 21, 1925. Dry processes of extracting lead, silver, antimony, and bismuth. - Ores containing lead, silver, antimony, or bismuth values are heated with a carbonaceous material in the presence of a halogen whereby the metals specified are reduced and found in a metallic condition among the charge. The halogen may be present in the form of an alkaline chloride or alkaline earth chloride, or in the case of ores containing compounds of alkali or alkaline earth metals, such as calcite, it may be a chloride of manganese, iron, or copper. If much calcite or the like is present, a sulphide such as pyrites may be added. The reduced metal values may be recovered from the gangue by physical concentration or bv leaching. Specification 250,991 is referred to.
Patent GB-370332-A (GB)
Title: Improvements relating to uni-directional flow steam engines
IPC: F01B17/04
Filed: 1931-09-21
Abstract: 370,332. Steam engines. WHITE, J. W., 237, Cleveland Road, Sunderland. Sept. 21, 1931, No. 26345. [Classes 122 (i) and 122 (ii).] Pistons ; valves ; distributing.-Uniflow engines are provided with spool pistons to lessen their weight. The length of the piston is from 85-90 per cent of the stroke. Each head h is equal in breadth to the breadth of the exhaust ports d. To lessen cooling of the space between the pistons, the exhaust outlet e is controlled bv a double-beat or other valve f which is opened at the same time as the ports d by the piston.
Patent GB-729548-A (GB)
Title: Improvements in and relating to offset lithographic printing machines
Inventor: KING CARL GUSTAVE
IPC: B41F13/28
Filed: 1951-11-09
Abstract: 729,548. Printing-machines. KAYE'S ROTAPRINT AGENCY, Ltd. Oct. 10, 1952 [Nov. 9, 1951], No. 26356/51. Class 100 (2). In an offset lithographic printing machine of the kind having forme, offset and impression cylinders 1, 2 and 3 and in which the offset cylinder is mounted on eccentric end shaft portions 4 adapted, by rotation, to vary the position of the offset cylinder, moving it firstly into contact with the forme cylinder 1 and then into contact with the impression cylinder 3, the shaft being rotatable by lever means carrying a member 10 adapted in the first position to engage a surface 13 of a fixed abutment 12, and in the second position to engage the surface 14 which determines the final printing position of the cylinder, means are provided for. detachably coupling the lever means to the offset cylinder whereby, as the offset cylinder rotates, the lever means is automatically rotated to cause the member, 10 to make the first engagement with the abutment surface 13. A member 5 attached to one eccentric end portion 4 of the shaft of the offset cylinder carries links 6, 7 connected by a link 8. An arm 9 attached to link 6 carries the member 10 in the form of a roller while an extension of link 7 is. connected to a spring 23. A coupling lever 15 pivotally connected. to the arm 9 carries at one end a hook 16 and at the other an extension 17 having a pin 17a. The offset cylinder carries a tooth-shaped projection 18 having a face 19 for engagement with the hook 16, the lever 15 being swingable to effect such engagement by a lever 22 adapted to be swung by depression of a manually operable push rod 20 into contact with pin 17a. When the coupling lever is engaged with the projection 18 the links 6, 7 and arm 9 are carried round in an anticlockwise direction with the offset cylinder so that the roller 10 moves into a position adjacent the abutment surface 13 and is displaced into engagement with it by the action of spring 23 connected to link 7 as show-n in Fig. 2. Rotation of the member 5 is limited by a pin 5a thereon coming into contact with an abutment surface a<SP>1</SP> of a claw member A pivoted to the frame at A<SP>1</SP>. The hook 16 is then moved out of engagement with projection 18 by contact between a fixed abutment 24 and the extension 17 of the hook. After a short interval the claw is withdrawn by means provided in the machine and the member 5 rotates due to spring 23 until the pin 5a abuts a second surface a<SP>2</SP> on the claw. The roller is allowed to move to about the middle of surface 13 by this rotation. This gives the first position where the offset cylinder is in engagement with the forme cylinder for inking. After a further short interval the claw is withdrawn again and the member 5 rotates into the final printing position determined by the engagement between the roller 10 and surface 14. The offset cylinder is in engagement with both forme and impression cylinders in this position. Specification 728,737 is referred to.
Patent GB-486182-A (GB)
Title: Improvements in or relating to hemming attachments for sewing machines
IPC: D05B35/02
Filed: 1937-09-29
Abstract: 486,182. Sewing-machines. GREIST MANUFACTURING CO. Sept. 29, 1937, No. 26363. Convention date, Oct. 7, 1936. [Class 112] A hemming attachment for domestic sewing- machines consists of an attaching member 14 having a forwardly extending horizontal foot portion 15, a sheet metal base member 21 secured to the foot and a spring arm 29 formed integrally with the base member and extending inwardly from the outer end of the base member to a point adjacent to the needle bar. This spring arm has a curved end 30 to embrace the material to form the hem. The base member carries a hemming device 33 which is movable therealong in a slot 27 and secured by a nut 37, to adjust the width of the hem. The plate 21 may be graduated to facilitate the setting of the hemmer 33. The hemmer 33 has a scroll portion 35 for engaging the fabric.