baber/WOPTO huggingface dataset:
Patent GB-669753-A (GB)
Title: Clutch mechanism
IPC: F16D13/38
Filed: 1949-03-09
Abstract: 669,753. Friction clutches. TRIGGS, W. W. (Caterpillar Tractor Co.). March 9, 1949, No. 6406/49. Class 80 (ii). In a plate clutch applicable to main drives of tractors or like vehicles and having a clutch operating linkage of the kind in which rollers 22 on the ends of toggle struts 32 are pushed outward to wedge between a presser plate 14 and a ramp 24 inclined thereto to cause clutch engagement, centrifugal members are provided effective upon excessive wear of the clutch surfaces to cause clutch disengagement. As shown each strut comprises two parallel links joined by an off-centred weighted portion 53. The struts are pivoted on a central operating member 35 movable axially under the guidance of pins 38 on a sleeve portion 37 of a plate 11. The ramp 24 is formed on a ring 25 adjustably screw-mounted in a thin disc 47, the resilience of which allows the struts 32 to pass slightly over centre upon clutch engagement into the position shown, in which lugs 46 on the member 37 abut the presser plate 14, and a driven clutch disc 16 is then normally firmly gripped between the plate 14 and a driving I.C. engine flywheel 2. In the event of excessive clutch wear, however, the pressure of the disc 47 becomes insufficient to hold the toggle over centre against the action of centrifugal force on the weights 53, and the clutch disengages itself and will not remain automatically in engagement unless adjusted. Disengaging springs 51 act between the plate 11 and the presser plate 14, which is slidably splined therein. Both the disc 47 and plate 11 are bolted to the flywheel 2, which supports the entire clutch. In Fig. 4 (not shown) the overcentre action is effected by the resiliency of the strut links, which are formed with central loops, and separate centrifugal weights act directly on the presser plate to cause clutch disengagement after excessive clutch wear has allowed the toggle to break itself. To permit a true rolling action of the toggle ends, each strut has three loose rollers, a large central one engaging the ramp on the adjustment ring and two smaller outer ones engaging a ramp member fast with the presser plate and having a central cut-out to avoid the central roller. Two driven discs, and an intermediate driving disc slidably splined on the flywheel are provided.
Patent GB-256509-A (GB)
Title: Improvements in casting mechanism for typographical machines
IPC: B41B11/84
Filed: 1926-03-08
Abstract: 256,509. Intertype Corporation, (Assignees of Sperry, S. E.). Dec. 7, 1925, [Convention date]. Metal-pots for type-bar-making machines. - A wiper for the metal-pot mouthpiece of a type-barmaking machine is mounted on the metal-pot itself so as to be movable therewith. The wiper is in the form of a two-armed lever 8, having at the outer end of its longer arm a wiping-pad 13, and being pivoted to the metal-pot by means of a stud 10. The shorter arm of the lever is connected by a link 19 to an actuating-member, which may be the usual space-band lever 22. A spring on the stud 10 presses the wiper against the pot mouthpiece. Specification 14582/90 is referred to.
Patent GB-430273-A (GB)
Title: Apparatus for recording, by printing, data relating to the operations of workmen
IPC: B41K3/42
Filed: 1934-02-28
Abstract: 430,273. Printing -machines. INTERNATIONAL BUSINESS MACHINES CORPORATION, 270, Broadway, New York, U.S.A. Feb. 28, 1934, No. 6477. Convention date, March 3, 1933. [Class 100 (ii)] [See also Group XIX] Platen machines; tripping - arrangements.-A recording-apparatus for use by workmen comprises a housing (which may travel through the workshop with a job) having a set of type locked in it. The workman inserts a record card and also a plate containing another set of type and then operates the apparatus, a record being made from both sets of type on the inserted card and on a record sheet retained in the housing. The type contained in the apparatus itself is set in a carrier 14 and has characters 17 on the face opposite to the printing face, these characters being viewable through an aperture 19 in the base of the apparatus. When the hinged cover 11 is closed and locked this type cannot be interfered with. When the cover is open the type carrier can be swung about pivots to facilitate the changing of the type. Before making a record, each workman inserts an individual type plate 20 having type set therein. The frame 46 carrying a rubber impression pad 44 cannot be depressed by a knob 48 until a gravity-controlled lever 58 is swung into its horizontal position by the inserted type plate 20. The ink ribbon A passes from a spool 32 mounted in a frame 27 hinged at 26 in the base 10, over rods 31, 33 mounted in the base, and beneath an aperture in the cover to a spool 34 carried by the cover. The record strip is wound from a spool 37 to a spool 38, both spools being mounted on the cover, by ratchet mechanism moved one step at each depression of the knob 48.
Patent GB-549463-A (GB)
Title: Improvements in the production of photographic images
IPC: G03C5/40
Filed: 1941-05-20
Abstract: 549,463. Photographic images; graticules. KODAK, Ltd., COPPIN, F. W., and GRESHAM, D. C. May 20, 1941, No. 6486. [Classes 97 (i) and 98 (ii)] A visible photographic line image, especially a graticule, is produced on metal, glass;. or like heat-resisting material L coated with a layer comprising sensitive silver salt dispersed in protein, for' example a sensitive gelatino-silver halide emulsion layer, by forming a latent image of the desired line image, developing; removing protein image-wise, and applying heat until the protein darkens by decomposition to form a visible image. Another protein that may be employed is casein. A process emulsion is preferably used. The emulsion should give a very high resolution in the developed silver image. In an example, glass is coated with a gelatino-silver bromide emulsion' of 5 - 10 microns thickness when dry, and after exposure, development in a hydroquinone-caustic potash developer and fixing, the gelatine. is: hardened in chrome alum solution, and after rinsing the gelatine is removed in the places containing silver with a bath containing hydrogen peroxide, cupric sulphate, nitric acid, and potassium bromide. After washing and. drying, the plate is heated at 400‹ C. for about 8 minutes to give a positive brownish-black image. The gelatine image may be; dyed with methyl violet before heating. Temperatures between 300‹ C. and 600‹ C. may be-used. The optical density of the image may be increased by precipitating lead sulphide in the gelatine prior to burning, or by forming a silver deposit in the gelatine image to be burnt-on, e.g. by omitting the fixing step and exposing the: gelatine image to light and developing to silver before burning- on. In a modification, the gelatine is removed where silver is not present by the use of. hardening developer followed by washing out the unhardened gelatine.
Patent GB-1195465-A (GB)
Title: A Change-Speed Transmission with a Hydraulic Converter or a Hydraulic Clutch
IPC: F16H47/06
Filed: 1968-02-09
Abstract: 1,195,465. Variable-ratio gearing. PAMING TRUST REG. 9 Feb., 1968 [11 Feb., 1967], No. 6514/68. Heading F2D. A change-speed transmission comprises an hydraulic torque converter or an hydraulic clutch with an output shaft driving a driving gear through a steplessly variable V-belt drive during idling, a normally stationary driven gear coupled to the shaft by actuating means which simultaneously apply a brake to stop the rotation of the driving gear during the coupling operation. An engine shaft 1 drives gear 5 through F÷ttinger converter 2, shaft 12, V-belt drive 3 and shaft 4. A driven gear 7 which is stationary when uncoupled has dogs 8 which engage dogs 6 on gear 5. Gears 9, 10 provide a reverse drive. Shaft 12 is associated through actuating means (not described) which may be mechanical, electrical or hydraulic.
Patent GB-1168773-A (GB)
Title: Hydraulic Reciprocatory Motors
Inventor: CLARK ROGER
IPC: F03C1/34
Filed: 1966-02-15
Abstract: 1,168,773. Hydraulic reciprocating motors. JOSEPH LUCAS (INDUSTRIES) Ltd. Feb. 6, 1967 [Feb.15, 1966], No. 6516/66. Heading F1A. In a swash plate or radial piston hydraulic motor having a revolving cylinder block engaging a stationary valve plate 16, the outlet port 20 of the valve plate is tapered, as shown, or terminates in a groove or in a series of apertures, so that, as a cylinder port in the cylinder block approaches the end of the outlet port, the flow area of the port is increasingly restricted, thereby maintaining a positive pressure in the cylinder bores to maintain the piston slippers in contact with the swash plate or eccentric ring.
Patent GB-694985-A (GB)
Title: Improvements in and relating to electrical adaptors
Inventor: HEATH CLARENCE WILLANS
IPC: H01R13/405
Filed: 1951-03-19
Abstract: 694,985. Two-part couplings. CARR FASTENER CO., Ltd. Jan. 18, 1952 [March 19, 1951], No. 6544/51. Class 38 (i). An adapter comprises a body 1 with two apertures 2 each containing a metal sleeve 3 forming a socket for a plug pin and flanged at 4 to prevent inward movement. The sleeves are secured by metal members the heads 6 of which form contacts for a bayonet connector, each shank 7 having saw-teeth 8 to engage a projection, or projections, 10 on the sleeve. A pin 11 projects beyond the body 1 at each end to form pins for engaging the slots of a bayonet socket.
Patent GB-309687-A (GB)
Title: Improvements in weft feeler mechanism for looms for weaving
IPC: D03D51/34
Filed: 1928-03-02
Abstract: 309,687. British Northrop Loom Co., Ltd., and Hollins, D. M. March 2, 1928. Weft feeler arrangements.-A side-slip feeler c closes an electric circuit when the bobbin is substantially denuded. The feeler c is slidably mounted on a lever b pivoted at b<1> to a casing a on the breast beam, and is normally moved rearwardly by a spring c<4>. A spring h acting on a stop h<1> on the casing and on a stop lug b<4> on the lever a tends to swing the lever clockwise, but this movement is normally prevented by a stronger spring e on a rod d. The Spring acts on the casing and on an adjustable stop comprising a boss f<1> on an arm f, which has a forked part f<2> located as shown. At the beat up, the rod d is struck by a lay abutment d<2> and is moved forwardly carrying the arm f away from the abutment b<4> and leaving the spring h free to swing the lever b and move the feeler sidewise. Until the bobbin is substantially exhausted, however, the yarn thereon prevents this side slip movement, but when this movement does occur, insulated contacts i<1>, i<2> on a plate i on the lever contact with fixed contacts j<1>, j<2> whereby an electric circuit is closed and a stop motion or bobbin or shuttle changing mechanism is operated. The feeler mechanism may be mounted on the lay, in which case the rod d contacts with an abutment on the breast beam &c.
Patent GB-1144241-A (GB)
Title: Improvements in or relating to the purification of saccharine liquids
IPC: C13B10/00
Filed: 1966-02-15
Abstract: 1,144,241. Flocculating. GEBR. RÍCHLING EISENHANDELSGESELLSCHAFT and GEBR. HERRMANN APPARATEBAU K.G. 15 Feb., 1966 [17 Feb., 1965], No. 6587/66. Heading C1C. [Also in Division C6] In a process and apparatus for continuously purifying, decolorizing and clarifying, at a temperature not exceeding room temperature, a natural raw sugar juice, e.g. an aqueous solution of raw sugar, at least 1À0% (computed as dry substance on the weight of the juice) of a vegetable defecating agent which has been extracted by aqueous extraction from umbelliferous plants suchasmountainhemlock Levisticum officinale, orborage, is dissolved or dispersed in the juice, in tanks 3, to flocculate impurities. The defecated juice is then prefiltered, as by being passed through a centrifugal separator 8 and settling filters 15, to remove most of the flocculated impurities, and is then passed through a polyamidic filter 24, e.g. comprising powdered nylon, to remove some of the remaining phenolic and nitrogenous impurities. The filtered juice is then passed through a column 26 containing a catalyst in the form of a metal oxide or hydroxide, such as ferric hydroxide carried on silica or alumina gel, or aluminium hydroxide carried on silica gel, which transforms remaining impurities into substances removable by ion-exchange treatment. Preferably, during the catalytic treatment, a stream of air containing sterilized ozone is blown, through a pipe 27, in countercurrent to the juice, to stimulate and accelerate the catalytic action. The resulting juice is then passed through another polyamidic filter 34, and is then subjected to ion-exchange treatment at 36, or to electrodialysis at 38, and is finally passed through a cation-exchanger 42 charged with ferric ions. The purified juice emerging at 43 may be mildly heated and concentrated, by evaporation of water, or, alternatively, by freezing and removal of ice, to yield a syrup, from which white sugar may be crystallized. A sugar solution such as an aqueous solution of raw sugar, which does not require defecation by the vegetable defecating agent, may be fed, through a pipe 49, directly into the polyamidic filter 24.
Patent GB-329415-A (GB)
Title: Improvements in meat tenderers
IPC: A22C9/00
Filed: 1929-02-28
Abstract: 329,415. Gwatkin, F. A. S., (Guggenheim, E.). Feb. 28, 1929. Meat, dressing. - A machine for making meat tender comprises a number of reciprocating cutters 8 each having a number of cutting edges 23, a shaft 10 journaled in frame members 1, 2 and carrying eccentrics, one for operating each cutter 8, eccentric straps 18 to which the cutters are detachably connected, and an electric motor 14 carried by the frame member 1 and geared,to the toothed wheel 11 on the shaft 10. The frame members 1, 2 are connected by side members 4, 5 which are vertically grooved to form guides for the cutters 8. The eccentrics 15 are spaced on the shaft 10 with the throws alternately on opposite sides of the shaft. Oilers 21 are provided on the straps 18 which each have a hole parallel with the shaft 10, so that, when the holes are aligned, a rod 22 may be passed through them, thereby locking the machine for cleaning, removal or replacement of the cutters &c. The shaft 10 is turned for alignment of the holes by a knurled head 17. The straps have projections 19, the ends of which are concaved to bear on pins 24 projecting from the cutters 8. Leaf springs 20, secured to the projections 19, engage under the pins 24 and retain the pins detachably in position. The cutting edges 23 are set angularly and are staggered with relation to the edges 23 of adjacent cutters. In use, the machine is held by the handle 28, the grip closing the switch 29 and starting the motor 14. The machine is rolled over the meat on rollers 33 which are carried on pivoted arms 31a pressed down by springs 35. Pressure on the handle 28 is necessary to compress the springs 35 and bring the rapidly reciprocating cutters 8 into contact with the meat.
Patent GB-568657-A (GB)
Title: Improvements in or relating to projectiles or projectile resisting material
IPC: F42B12/74
Filed: 1940-04-13
Abstract: 568,657. Hardening projectiles &c. ; alloys. SANDERS, T. H., and IBBOTSON BROS., & CO., Ltd. April 13, 1940, No. 6722. [Classes 72 and 82 (i)] Projectiles or projectile-resisting material, such as armour plate, are fabricated from an oil-hardenable steel containing 0.5-0.6 per cent of carbon, 1.8-2.0 of silicon, 0.8-1.0 of manganese and hardened by heating to a temperature at least 150‹ C. above the recalescence point and quenching in a liquid other than oil, e.g. water, brine or a liquefied gas such as liquid air.
Patent GB-790040-A (GB)
Title: Improvements in moulding fibrous cement pipes
IPC: B28B21/74
Filed: 1956-03-05
Abstract: 790,040. Cores for moulding bent fibrous cement pipes. CAOLITA SOC. ANON. March 5, 1956 [March 8, 1955], No. 6794/56. Class 87(2). A core for moulding bent fibrous cement pipes has an articulated flexible centre, within a shaped pneumatic tube 1, allowing easy removal of the core from the moulded bent element. The centre is composed of a series of wooden discs 5, 6 and 7, the discs 5 having converging contact faces thus forming the curved section of the mould and the discs 6 and 7 having parallel contact faces thus forming the straight section of the mould. The discs are interconnected by means of a tape 8 attached to them, or by an inner wire.
Patent GB-702520-A (GB)
Title: Improvements in or relating to locomotive fireboxes
IPC: F22B7/16
Filed: 1950-01-24
Abstract: 702,520. Steam boiler stays. TROSS, A. Jan. 24, 1950, No. 6848/53. Divided out of 702,452. Class 123(2) In a locomotive boiler comprising inner and outer firebox shells 14, 15 interconnected by staybolts 11, said staybolts being rigidly jointed to at least the inner shell by welding, the head 12 or 13 of each bolt to be weld-jointed passes through the hole in the shell, or shells, with a diametral clearance of at least 0.5 mms. Specifications 702,452 and 702,517 are referred to.
Patent GB-733884-A (GB)
Title: Unsaturated keto-esters and the manufacture thereof
IPC: C07C69/738
Filed: 1953-03-13
Abstract: The invention comprises novel disubstituted propargyl acetoacetates <FORM:0733884/IV (b)/1> where R1 and R2 are identical or different alkyl or alkenyl groups containing not more than seven carbon atoms. Preferred groups have a methylene group in position 1, particularly where R1 is an alkyl group (preferably methyl) and R2 is an alkenyl group with not more than seven carbon atoms.  The ketoesters are prepared by reacting diketene in the presence of a condensation catalyst with a disubstituted propargyl alcohol of the formula <FORM:0733884/IV (b)/2> Alkali metals, alkali-metal hydroxides, organic bases and mineral acids may be used as catalysts, and the reaction is preferably conducted at a temperature below 50 DEG  C. By using optically active propargyl alcohol, optically active keto esters are obtained.  By heating to eliminate carbon dioxide, the products may be converted into unsaturated ketones, <FORM:0733884/IV (b)/3> the former being the major conversion product.  In examples: (1) 1,1-dimethyl-propargyl acetoacetate was produced by reacting 1,1-dimethyl propargyl alcohol with diketene in the presence of sodium at temperatures between 5-10 DEG  C.  The product was heated to 160-180 DEG  C. for 3 hours to eliminate carbon dioxide giving 6-methyl heptadiene-(3,5)-one-(2) and a smaller amount of 6-methyl-heptadiene-(4,5)-one-(2); (2) racemic 1 - methyl - 1 - [41 - methyl - pentene (31)-yl] propargyl acetoacetate was produced by reacting the corresponding propargyl alcohol with diketene in the presence of sodium at 0 DEG  C., with additional stirring at 25 DEG C.  The product was heated under nitrogen to eliminate carbon dioxide giving pseudo-ionone and smaller amounts of the isomeric 6,10-dimethyl-undecatriene-(4,5,9)-one-(2); (3) 1-methyl-1-[31,41 - dimethyl - pentene - (31) - yl] aceto-acetate is produced by condensing the corresponding propargyl alcohol with diketene at 5-10 DEG  C. in the presence of sodium.  The product was heated to eliminate carbon dioxide giving pseudo irone and the isomeric 6,9,10-trimethyl-undecatriene-(4,5,9)-one-(2).
Patent GB-621956-A (GB)
Title: Improvements in or relating to a method and apparatus for vulcanizing rubber and like material
IPC: B29C48/07
Filed: 1946-03-06
Abstract: 621,956. Dielectric heating. GOODRICH CO., B. F. March 6, 1946, No. 7025. Convention date, March 26, 1945. [Class 39(iii)] Dielectric vulcanisable material is surrounded by freely flowable dielectric material in the form of finely divided solid particles having dielectric heating properties closely similar to the material being treated, and is passed through a high frequency field. In a preferred apparatus for the continuous vulcanisation of an extruded rubber stock, the material 12 is led from the extruder 10 through elongated electrodes 18 and 21 by an endless belt 22 driven by a motor 25 via a gear reduction box and sprocket chains. The stock is surrounded with powdered soapstone 33 by a hopper 32, which also fills completely the remaining space between the electrodes. After passage between electrodes the powdered material falls into a hopper 34 and is returned to a delivery hopper 32 by a conveyer belt 35, the powder being kept, if required, at its elevated temperature by a heating coil (not shown). A brush 47 cleans off surplus powder, and the material is then immersed in a tank 51 for washing and spraying by jets 57. Finally the stock is led to a drying belt (not shown) and to winding means. Apparatus for treating individual articles such as washers and stampings is also described. Specification 599,935 is referred to.
Patent GB-1498756-A (GB)
Title: Hydroquinonoid ortho-alkylation polymers
IPC: C08L101/00
Filed: 1976-02-23
Abstract: The new polymers contain recurring units of the formula <IMAGE>  with or without recurring units of the formula <IMAGE> They are prepared by bringing at least one compound of the formula <IMAGE> into intimate contact with at least one compound of the formula <IMAGE> and optionally also with at least one compound of the formula   <IMAGE> in the presence of a catalyst. The catalyst brings about the alkylation of aromatic hydroxyl compounds in the ortho position. The new polymers can be used as antioxidants, in particular for food.   R, R', R'', R''', R'''', X and X' in the formulae are each as defined in Claim 1.
Patent GB-557645-A (GB)
Title: Improvements in pressure-recording instruments
IPC: G01L23/26
Filed: 1942-05-26
Abstract: 557,645. Hinges. DOBBIE McINNES, Ltd., and OLIPHANT, M. L. May 26, 1942, No. 7091. [Class 65 (ii)] [Also in Group XIX] The transmission mechanism to the recording pointer of an engine-indicator is provided with damping means comprising relatively turnable elements between the contacting surfaces of which is a thin film of viscous fluid, the surfaces being.of flared or spreading form and relatively adjustable to vary the fluid space between them. The radius link 12 of the parallel motion of the engine-indicator is connected to a tube 22 which forms a boss for the link and is provided with half spherical ends 23. The pin 21 passing through the tube is of square section and carries at its ends hemispherical members 24 provided with square holes to receive the. pin 21. The spherical surfaces are lapped so that only a fine film of the viscous oil lies between them. The petrolem product, protected under the Registered Trade Mark "Paratone," or a mixture of "Paratone" and Pennsylvania Low Cold Test Oil is used. Helical grooves 26 for oil are provided in the members 24. The pin 21 has a head 27 which is located in one cheek 13B of the swivelling bracket carrying the parallel mechanisms, the other end passing through the cheek 13A and ending in a screwed portion 28 on which is a knurled head 29 between which and the cheek 13A is a spring 32. Washers 31 are located between the bracket cheeks and the members 24. By adjusting the nut 29 the film of oil may be regulated. The ends of the tube 22 may be coned instead of spherical or even formed as discs. Specification 501.290 is referred to.