baber/WOPTO huggingface dataset:
Patent GB-440987-A (GB)
Title: Double-seat valve for high pressure and high temperature, in particular for controlling steam locomotives
IPC: F01B25/00
Filed: 1935-04-25
Abstract: 440,987. Valves. MASCHINENFABRIK ESSLINGEN, Esslingen, W³rtemberg, Germany. April 25, 1935, No. 12475. Convention date, Feb. 15. [Class 135] In a double-seat valve particularly for use with high pressures and temperatures in a locomotive, the hollow valve-spindle has at its lower end a cavity 5 which is guided on the stationary pin 6 and is provided with inclined apertures 20 by which steam enters to relieve the pressure on the spindle. A partition 7 separates the cavity 5 from the hollow portion 8 which is guided in stuffing box 11 and protected from the steam by a heat-insulating metal sheet 9. Portion 12 of the spindle is slotted to receive the reciprocating actuating-member 13 provided with cams 25, 26 coacting with a roller 14 on the spindle. The member 13 is adjustable by shims 27, and by guide rollers 23 adjusted by a screw 24. The uppermost part of the spindle houses the return spring 17 tensioned by a plug 18 on the bracket. Lubricant is fed in at 19 and passing down the outer surface of the spindle enters cavity 5 by the ports 20 so as to lubricate the pin 6 ; the heatinsulating sheet 9 also protects the lubricant from the steam.
Patent GB-334225-A (GB)
Title: Improvements in or relating to conveyors
IPC: B67C7/00
Filed: 1929-04-23
Abstract: 334,225. Nielsen, H. V., and Multifillers, Ltd. April 23, 1929. Ratchet and like step-bystep conveyers.-Goods are intermittently disposed on and removed from a member y which has a guided vertical reciprocating motion by a transporting device u having a horizontal and an up- and-down motion which is driven from the same shaft at the member. The invention is described as applied to the transfer of empty milk bottles to a filling machine w<1> of the kind described in Specification 301,363, [Class 125 (ii), Bottles &c., Filling &c.]. Each group of bottles is contained in a case z<2> which when stationary rests on the horizontal upper surface of a casing a. The transporting device u rests on a track t<1> and has a depending rod v which passes through a sleeve f<1> pivoted at w to a rocking arm c<1>. The arm c<1> is pivoted at c and is connected by an arm and lever device d, e to a cam shaft b. The track t<1> is supported by elbow levers i, j pivoted to the casing at n, o, respectively, and connected by a rod p which is acted on by a lever q, r actuated by a cam g. The member y has a depending limb y<1> provided with a roller z which rests on a cam h. The bottles are conveyed past a capping arm 13 by a table 11 which travels on a fixed track 12 and has a step-by-step movement in a forward direction and a continuous quick return motion. The table 11 is connected to an arm 5 pivoted at 6 to the casing and actuated by links 7, 8 of which the link 7 is pivoted at 9 to the casing and has a roller 10 which travels on a cam g<1>. The capping arm 13 works between guides 14 and is actuated by a lever 16 pivoted to the casing at 17 and provided with a roller 18 which engages a cam h<1>. On the completion of the capping stroke one end of the table 11 travels down an incline 20 and releases a stop 21 whereupon the cases slide on to a runway. The caps are fed down a holder 23 to a slide 24 which is reciprocated in guides 25 by levers 26, 27. A lug 29 on the lever 26 is connected to the capping head 30. When each cap 30', Fig. 4, reaches a position in front of slide 24, it is pushed by the recessed end of the slide into a position over the capping nozzle 32 and is then pushed into the mouth of the bottle by the spring-pressed capping plunger 33. The cap is held in position during its descent by being gripped between the fixed side 34 and a spring-pressed pivoted side 35. In a modification the bottles rest on the top of the casing and are moved by a finger which has a horizontal and an up-and-down motion.
Patent GB-435247-A (GB)
Title: Improvements in rail joints for railway rails
IPC: E01B11/58
Filed: 1935-04-30
Abstract: 435,247. Railway rail joints. RUPING, M., 172, Ismaningerstrasse, Munich, Germany. April 30, 1935, No. 12879. [Class 104 (ii)] In a bridge joint the portion 6 of the bridge 1 below the rail ends 7 is partly separated from the bridge by two longitudinal cuts 5, and is then bent to the position shown in Fig. 4 to put it under elastic strain. A slip 10 of wood &c. is inserted between the rail and the part 6 during the bending operation. The rails are fixed in position by keys 8 passing through lugs 9 in the longitudinal ribs 4 of the bridge.
Patent GB-130179-A (GB)
Title: Improvements in Bedstead Brackets.
Inventor: FREEDLAND ISAAC
IPC: F16B12/58
Filed: 1918-08-09
Abstract: 130,179. Freedland, I. Aug. 9, 1918. Joints and connexions.-A bracket fitting for bedsteads is provided with a large hole e to receive the nut securing a bolt to the rail of a bedstead or an enlargement on the bolt and a small hole f through which the bolt passes and below which it is secured by a clamping-nut. The bracket is slightly hollowed as at h and is symmetrical so that it may be employed on either side of the bedstead. Reference has been directed by the Comptroller to Specifications 27299/08 and 11167/15.
Patent GB-796674-A (GB)
Title: Improvements in installations for the measuring of the resistance of sugary juices
IPC: C13B30/02
Filed: 1956-04-27
Abstract: 796,674. Determining physical qualities of materials. SOC. FRANCAISE DES REGULATEURS UNIVERSELS ARCA. April 27, 1956 [June 30, 1955], No. 12987/56. Class 37. The formation of a chalky deposit on the carbon electrodes 2 of an installation for measuring the resistance of sugary juices in container 1 is retarded by the addition of a D.C. component to the measuring current, to give the electrodes 2 a mean positive polarity with reference to container 1, by the connection of a rectifier 5 in parallel with a resistor 4 in the measuring circuit which is A.C. energized. In Fig. 2 (not shown) a battery replaces rectifier 5 and resistor 4.
Patent GB-238951-A (GB)
Title: Improvements in or relating to metal-clad electric switch gear
IPC: H02B11/04
Filed: 1924-05-28
Abstract: 238,951. Reyrolle &. Co., Ltd., A., Coates, F., and Clothier, H. W. May 28, 1924. Switchboards.-In metal-clad switchgear of the draw-out type, the tubular insulator forming part of the plug and socket isolating contact is provided with a jacket or casing D which can be attached to the transformer chamber A or other part of the main casing by bolts and nuts E or other readily detachable means. The insulator C is cemented within the jacket D and is confined between a flange D<2> at one end and a packing ring compressed by a collar H at the other. The socket B is fixed in the insulator.
Patent GB-455019-A (GB)
Title: Process for the manufacture of esters of polycyclic alcohols
IPC: C07J75/00
Filed: 1935-04-08
Abstract: The process of the parent Specification which comprises the reduction of esters of the male sex hormone to produce ester alcohols is modified so as to produce di-esters, which modification consists in subjecting saturated or unsaturated hydroxyketones or diketones of the cyclopentanopolyhydrophenanthrene series having the general formula C17HnX(CO) wherein n is 26 or 28 and X is either a <FORM:0455019/IV/1> or a CO group in one operation to the action of reducing and acylating agents.  The reducing agents used are the same as used in the parent Specification.  Mono- or di-esters are obtained according to the quantity of acylating agent employed.  In examples: (1) Trans-androsterone is treated in a mixture of glacial acetic acid and hydrobromic acid solution with hydrogen and then acetic anhydride added.  After 12 hours the product is worked up as described in the parent Specification; (2) androstandione is treated in the same way as the trans-androsterone in example (1) to yield androstandiol-di-acetate; (3) androstendione is hydrogenated and acylated as in example (1) and then the reaction solution is boiled under reflux for 2 hours to yield the same product as obtained in example (2).  Specification 455,018 is referred to.
Patent GB-1243979-A (GB)
Title: Series pairs of door sets
Inventor: MARTLEW CLIFFORD KEITH
IPC: E05C7/00
Filed: 1967-11-16
Abstract: 1,243,979. Releasable fastenings. UNITED KINGDOM ATOMIC ENERGY AUTHORITY. 7 Nov., 1968 [16 Nov., 1967; 18 March, 1968], Nos. 52306/67 and 13098/68. Heading E2A. A series pair of door sets comprises for each door set, a manually operable fastening 3, 5 an electrically controlled fastening 4, 6 and a switch mechanism 7, 8 operable by the mechanism of the manually operable fastening 3, 5 and arranged for actuating the electrically controlled fastening of the opposed door set, the switch mechanisms and fastenings being arranged so that one door set is unfastened at its electrically controlled fastening only when the other door set is fastened by its manually operable fastening. As described each fastening 3 or 5 has a slidable latch bolt controlled by a hand lever, the fastening being carried by the door leaf of the appropriate door set and engageable with a recess 11 in the door frame, the latch bolt being spring loaded. Each fastening 4 or6 comprises a plate mounted on the door frame, each plate carrying a pivotable dead bolt which is operable by an electromagnetic winding the arrangement being such that when the winding is energized the bolt engages a keeper on the door leaf. The switch mechanism 7 or 8 which controls the winding includes a microswitch mounted on a bracket 12 within a box 13 which is secured to the door frame; the bracket 12 carries a slide bar 14 which has a waist 15 and is biased towards the door frame by a spring 16. An actuating lever 17 for the microswitch has a pad 18 which engages the waist 15 and a bell crank lever 19 pivoted on the door frame is arranged so that one arm is contacted by the bolt of the fastening 3 or 5 when the bolt is engaged in the recess 11 and the other arm abuts the end of the slide bar 14; the engagement of the bolt with the recess 11 pivots the lever 19 to slide the bar 14 to the position where the pad 18 is out of the waist 15 and the switch is unoperated; With the door leaf open the switch is operated to energise the winding of the fastening 4 or 6 of the other door set so that the other door is locked. In a modification each door set has two leaves and each has two fastenings 4 or 6 as above described, one for each leaf. One of the leaves of each door set has a fastening 3 or 5 and the other carries the switch mechanism operated by the latch bolt of the fastening 3 or 5 and the leaf which carries the switch mechanism operated by the latch bolt also carries a draw bolt mechanism which is manually operable and which controls a switch mounted on the door frame, the arrangement being such that when the leaves of one door set are latched together by the fastening 3 or 5 and the leaf with the draw bolt mechanism is bolted, the electrically operated fastening 4 or 6 of the other door set are de-energised so that the leaves are unbolted. The switch mechanism operable by the draw bolt mechanism is similar to the switch mechanism operable by the bolt of the fastening 3 or 5.
Patent GB-1501838-A (GB)
Title: Packaging
IPC: B65D71/00
Filed: 1976-04-01
Abstract: 1501838 Packages for handling by fork lift truck BARNARDS Ltd 1 April 1976 13129/76 Headings B8H and B8C A package of rolls of wire netting, for handling by forked lifting apparatus, is formed by superimposing layers of the rolls (each layer consisting of three parallel rolls) and inserting three wooden bearers 3 between a pair of adjacent layers 1B, 1C to extend perpendicular to the axes of the rolls in the said adjacent layers. The bearers are held in spaced array by sheets 4 and the package is held together by straps 5 extending perpendicular to the axes of the rolls in the upper and lower layers 1A, 1F. A subsidiary package, consisting of layers 1B- 1E, the bearers 3 and the boards 4, may be initially formed and the layers 1A, IF added to the top and bottom. The subsidiary package is held together by stops 7. Protective coverings 2 may be provided over the ends of each roll and coils of line wire 9 may be attached to one end of each roll.
Patent GB-240206-A (GB)
Title: Improved calculating device for the use of printers
IPC: G06G1/00
Filed: 1924-12-11
Abstract: 240,206. Jones, W. E. Dec. 11, 1924. Drawings to Specification. Tabular calculators.-A disc form of calculator for solving problems in connection with the printing trade comprises a disc bearing circular series of figures and a superposed rotatable disc marked graduated an, slotted to co-operate therewith. By means of the instrument can be determined (1) the number of lines per 1000 ens for different sizes of type and width of line, (2) the quantity of paper required for the printing of 500 copies and upwards from folio to 64 mo., or (3) for printing 1000 copies of a book from 8 vo. to 24 mo. and having 8 to 192 pages, (4) equivalent weights of paper per 480 sheets and (5) the sizes of various folds of paper sheets from crown to imperial. Specification 10055/99 is referred to.
Patent GB-1313441-A (GB)
Title: Process for preparing chlorine and alkali phosphate solution by electrolysis and electrolytic cell for carrying out the process
IPC: C25B1/02
Filed: 1971-05-05
Abstract: 1313441 Electrolytic production of chlorine and alkali metal phosphate PROGIL 5 May 1971 [15 May 1970] 13194/71 Heading C7B Chlorine, hydrogen and an aqueous solution of alkali metal phosphate are prepared electrolytically in a cell divided by a cationic selectively permeable membrane and having a porous anode of which only the surface(s) not facing the membrane are electro-chemically active, in which alkali metal chloride solution is continuously introduced into the anode compartment from which chlorine and alkali metal chloride solution are continuously withdrawn; and phosphoric acid or alkali metal phosphate solution is continuously introduced into the cathode compartment from which hydrogen and alkali metal phosphate solution (containing a higher alkali metal to phosphate ratio than the solution introduced into the compartment) are continuously withdrawn. The membrane may be a perfluorinated polymer, e.g. a sulphonated polytetra-fluoroethylene. The perforated anode may be of Ti, Ta, Zr, Nb or an alloy thereof; the active surface being coated with a platinum metal or oxide thereof. The cathode may be of perforated metal, e. g. Ni. When using natural phosphate as the catholyte feed, metal cations such as Cr and V present therein as impurities are reduced by the hydrogen evolved to insoluble salts which may be filtered from the phosphate solution withdrawn from the cell.
Patent GB-856592-A (GB)
Title: Improvements in or relating to trailers
IPC: B62D53/06
Filed: 1957-04-25
Abstract: 856,592. Transporting special loads. MARTIN, W. E. April 25, 1957 [May, 18, 1956], No. 13249/57. Class 108(1). A trailer 20 is provided with a fifth-wheel connection to a tractor 22 and is supported at its rear end on a truck 22. The trailer bed 21 has a gooseneck connection comprising tongue 33 and parallel links 51, 52, which allow the tongue to rest on the ground to form an extension of the trailer bed. At its rear end the trailer bed 21 is pivoted at 87 to downward extensions 86 on the truck 22 and upstanding arms 88 secured to the trailer bed 21 have connections at 89 to hydraulic jack 90 pivoted at 94 to a transverse member 75 of the truck 22. Actuation of the jack 90 raises the trailer bed 21 from resting on the ground to its transport position shown where it is locked by a pin 100 passing through aligned holes in the truck 22 and arms 88. Other jack arrangements for lifting the rear end are also described.
Patent GB-569639-A (GB)
Title: Improvements in gate valves
IPC: F16K3/18
Filed: 1943-08-16
Abstract: 569,639. Gate valves. WENNERBY, A. O. L. Aug. 16, 1943, Nos. 13301 and 13302. Convention dates, Aug. 25, 1942, and July 17, 1943. [Class 135] In a gate valve, the gate is divided diagonally into two parts 3, 4, Fig. 1, which, when the spindle 2 is screwed down, are wedged apart and forced into contact with seatings for the valve faces. The part 3 carries a yoke 7 connecting it to the spindle 2, and the two parts 3, 4 are loosely interconnected by an inverted T-shaped projection 9 on the part 3 and two projections 10 on the part 4. In a modification, the ends of the yoke 7 are bridged by a pin, and a coil spring is interposed between the top of the part 3 and a #-shaped projection carried by the part 4 and covering the stem of the T-shaped projection 9. The Specification as open to inspection under Sect. 91 comprises also a construction wherein the parts 3, 4, Fig. 5 (Cancelled); are loosely interconnected by a screw 15 with a spring 11 interposed between the two parts. This subject-matter does not appear in the Specification as accepted.
Patent GB-301700-A (GB)
Title: Improvements in conveyors for packing machines
IPC: B65G25/02
Filed: 1928-05-07
Abstract: 301,700. Soc. Industrielle Suisse, and Schlaepfer, A. May 7, 1928. Addition to 242,848. Step-by-step conveyers.- The conveyer of the parent Specification is modified by replacing the eccentric at one end of each oscillating rack bv a. link 13 which is connected by a double armed lever 11 pivoted at 12 and an arm 10 to an eccentric 9 mounted on the shaft 8 of the eccentric 6 at the other end of the rack. The eccentric 9 is set at an angle of 180‹ to the eccentric 6. Specification 268,715 also is referred to.
Patent GB-334228-A (GB)
Title: Production of compounds from propylene
IPC: C07C29/06
Filed: 1929-04-30
Abstract: 334,228. Woolcock, J. W., and Imperial Chemical Industries, Ltd. April 30, 1929. Isopropyl sulphates and acetates; isopropanol; ethanol.- Propylene is absorbed in mixtures of acetic acid with sulphuric acid or with acid isopropyl sulphate in suitable proportions, if desired in the presence, of solvents such as isopropyl alcohol, at temperatures not exceeding 60‹ C. Isopropyl sulphates and isopropyl acetate are formed. The isopropyl acetate may be recovered by distillation or may be separated as a top layer on the addition of water to the mixture, and the sulphuric esters are converted into isopropyl alcohol by hydrolysis. Before separating the isopropyl acetate, any desired proportion thereof may be converted into isopropyl alcohol by a controlled heating of the mixture after the addition of water. Propylene may be separated from mixtures thereof with other gases including olefines by first absorbing the higher olefines in cooled 80 per cent sulphuric acid, then absorbing the propylene as described above, ethylene being substantially unabsorbed. Ethylene separated from propylene in this way may subsequently be absorbed in concentrated sulphuric acid for the production of ethyl alcohol. Examples are given. Specification 173,786 is referred to.
Patent GB-641921-A (GB)
Title: Improvements in or relating to liquid mixing apparatus
IPC: C02F1/68
Filed: 1948-05-18
Abstract: 641,921. Mixing liquids in flow. ALEXANDER, F. P. May 18, 1948, No. 13468. [Class 86]. A needle valve 12, 13 admitting a first liquid under pressure in a pipe 3 to a second liquid at a lower pressure flowing in a pipe 1, is controlled by a pivoted flap 16 in the pipe 1 which is displaced by the flow of the second liquid. The flap 16 and valve mechanism may be carried by a saddle 7 clamped over an aperture 5 in the pipe 3, or as in Fig. 3, not shown, the apparatus may be contained within a T-junction pipe.
Patent GB-549429-A (GB)
Title: Improvements relating to rotary metal shearing machines
IPC: B23D31/04
Filed: 1941-10-21
Abstract: 549,429. Shearing. HALL STREET METAL ROLLING CO., Ltd., and WHITE, W. J. Oct. 21, 1941, No. 13530. [Class 83 (iv)] Rotary shearing machines, for severing a narrow strip portion from each edge of a long coiled strip, and if desired for slitting the strip to form two or more narrower strips, have means for cutting up the strip into short lengths. For this purpose discs e are mounted adjacent one of each pair of side cutters a and carry cutters d that coact with the peripheries of the other cutters a. The discs e have one or more notches j and slots f in which the cutters d are clamped by screws g in position adjusted by conical ended screws k.
Patent GB-141542-A (GB)
Title: An improved cowl for chimney and ventilating shafts
IPC: F23L17/10
Filed: 1919-05-29
Abstract: 141,542. Blanchford, H. H. May 29, 1919. Chimney and ventilating-shaft tops.-A cowl, of the type having a wind-directed head with wind inlet and outlet openings g, h and a draught-inducing conical duct i with its larger end coinciding with the opening g, is formed so that the mean direction of the air in the duct i is inclined upwards from the inlet to the outlet. Fig. 5 shows a curved form of duct i<1>. In both forms, the inlet opening g is lower than the outlet h.
Patent GB-329489-A (GB)
Title: Improvements in aeroplane construction
IPC: B64C1/00
Filed: 1929-05-01
Abstract: 329,489. Burnelli, V. J. Feb. 4, 1929, [Convention date]. Framework.-A fuselage of unusual width has its main longerons formed of angle section with flanges 3, 4 sufficiently large to enable T-section cross and diagonal members 5, 7 to be riveted directly to them without gusset plates. Gusset plates 6 are used to brace the members 5 in transverse planes. The Specification as open to inspection under Sect. 91 (3) (a) comprises also the subject-matter now contained in Specifications 329,612, 329,613, 329,614, and 329,615. This subject-matter does not appear in the Specification as accepted.