baber/WOPTO huggingface dataset:
Patent GB-793017-A (GB)
Title: A process for the manufacture of pantothenic acid 4-phosphate
Inventor: ATHERTON FRANK RATCLIFFE
IPC: C07F9/6574
Filed: 1955-10-03
Abstract: Pantothenic acid 41-phosphate and salts thereof are obtained in a process, which comprises treating pantothenonitrile with phenyl phosphorodichloridate in the presence of a tertiary base, hydrolysing the product with an alkaline earth metal hydroxide and, where the free acid or a different salt is required, converting the resulting alkaline earth metal salt of pantothenic acid 41-phosphate into said acid by treatment with an acid which forms an insoluble salt with the alkaline-earth-metal ion thereof or by passage through a hydrogen ion-exchange resin or into other salts by double decomposition or by initial acid or hydrogen ion-exchange treatment as aforesaid and subsequent treatment of the free acid with the appropriate organic or inorganic base.  Pyridine is a suitable tertiary base and barium hydroxide is preferably used for the hydrolysis step. The process may be carried out using the D- or L- or DL-form of the starting material.  A detailed example is given.
Patent GB-957067-A (GB)
Title: Improvements in or relating to nozzle attachments
IPC: F16L35/00
Filed: 1961-08-03
Abstract: 957,067. Nozzles. S. J. GREEN. Oct. 19, 1962 [Aug. 3, 1961], No. 28162/61. Heading B2F. The nozzle 1 on a hose supplying petrol or other liquid from a pump to a tank, has means for preventing drops falling from the nozzle on withdrawal thereof from the tank opening 6, comprising a sleeve 4 of absorbent material, such as foamed polyurethane, mounted on a coil spring 5 which engages a fined stop 2 whereby it can move relatively to the nozzle. Normally, the sleeve protrudes beyond the end of the nozzle 1, but in a tank filling operation the end of the nozzle is thrust into the tank opening 6 beyond the sleeve, thus compressing the spring 5. On withdrawal, the end of the nozzle retreats within the sleeve, and any drops of liquid falling from the nozzle are absorbed by the sleeve.
Patent GB-168794-A (GB)
Title: Improvements in moulding machines
IPC: B28B7/00
Filed: 1920-10-05
Abstract: 168,794. Hartley, B. F. Oct. 5, 1920. Moulds; stationary-mould machines.- Three sides 3, 4, 5 and partitions 9 of a mould for building-blocks &c. are slidable by means of rods 6 moving in guides 7. The fourth side 8 is pivotally fixed to the base 8, and is moved outwards simultaneously with the remaining sides, to which it is held in the closed position by latches 18 released by the bar 20, by means of links 12, 13, 14, attached to the spindle 16 operated by the hand-lever 15 having a counterweight 1". A hand-lever press for use in combination with the mould is shown in Fig. 5, in which the contents of the mould are rammed by means of a block 34 actuated by a hand-lever 31. In a modification, the block is actuated by a link mounted eccentrically on a driven wheel.
Patent GB-776426-A (GB)
Title: Improvements in or relating to circuits for charging electrical welding circuit capacitors
IPC: B23K11/26
Filed: 1955-10-04
Abstract: 776,426. Charging condensers for capacitordischarge welders. WESTERN ELECTRIC CO., Inc. Oct. 4, 1955 [Oct. 14, 1954], No. 28246/55. Class 38 (4). Condensers 21-24, for discharging into welding circuits 27, 28 and 29, 30, are charged to a predetermined voltage by power packs 6, 34, of which 34 supplies the initial charging surge but has an output voltage less than the " predetermined " value, the charge being completed by the power pack 6 which is voltage regulated to the " predetermined " value. A voltagedropping resistor 7 limits the load on the pack 6 and is responsible for the greater part of the initial charging surge being drawn from the pack 34 rather than from pack 6, whilst a blocking valve 33 prevents power flow from pack 6 to pack 34 during the later stages of charging when the condenser voltage exceeds that of the pack 34. The condensers are controlled in pairs by charging valves 13, 14, respectively, which are controlled by switches 31, 51 preferably operated in overlapping relation to reduce the magnitude of the initial surge to be provided by the reservoir condensers 32 of the pack 34. The several condensers are provided with short-circuiting safety switches. Thyratrons 47, 48 are fired by actuation of switches 45, 46 to discharge the welding condensers in event of the work being improperly positioned, so as to prevent burning of the electrodes. Specifications 759,076, [Group XXII], and 768,406 are referred to.
Patent GB-489638-A (GB)
Title: Improvements to golf club shafts
IPC: A63B53/10
Filed: 1936-10-19
Abstract: 489,638. Golf clubs. CUTTS, F. R. Oct. 19, 1936, No. 28347. Void. Convention date, Nov. 13, 1935. [Class 132 (ii)] The shaft of a golf club has a streamline or "ovate " crosssection 6 with a sharp rear edge 5, which may be continued round the rear 5a of the head 7.
Patent GB-1362911-A (GB)
Title: Flange facing machine
IPC: B26D3/16
Filed: 1972-06-16
Abstract: 1362911 Flange facing machines; gauging DND CORP 16 June 1972 [2 July 1971 3 Jan 1972] 28412/72 Headings B3T and B3B A flange facing machine comprises a base 20 which is releasably securable in the bore 10 of a flanged tubular member P and from which extends a support column 25 on which is mounted for rotation thereabout, a frame R, the frame carrying a slideway 33 on which is mounted a tool carrying assembly 40 with a cutting tool C. The frame is supported on the column by way of a bearing 55 and the rotation of the frame about the column is effected by a motor 60 carried on the frame and which is connected by gearing and chains-and-sprockets 65, 66, 75, 76 and 30 to the frame to rotate the frame with the cutting tool about the column, the sprocket 30 being rigidly attached to the frame. The cutting tool assembly is displaceable radially of the axis of rotation of the frame, automatically as the frame rotates thereby facilitating the facing of the flange. The traversing of the cutting-tool is effected by way of gearing 43-47 in a gear-box 42 on the end of the slideway 33, the gearing being selectively engageable with a ring gear 25c on the frame R and with a feed screw 41, the tool thus actuated being traversable radially inward or outward as required. An alternative arrangement of the machine is shown in Figs. 8 and 10 in which the drive between the column and frame is effected by worm and wheel instead of the chain-and-sprocket mechanism of the embodiment in Figs. 1 and 2. Means (not shown) is also described using a D.T.I. or pointer for accurately aligning the base in the bore of the flanged member to ensure concentricity of the axes of the member and the column and frame. Also, alternative forms of base are described including cross-members with radially adjustable screwed feet and wedge expanding means for radially displacing clamping jaws engageable with the bore of the tubular flanged member.
Patent GB-301891-A (GB)
Title: Improvements in the manufacture of road surfaces
IPC: C08L95/00
Filed: 1928-10-03
Abstract: 301,891. Schmitz, W. H. Dec. 8, 1927, [Convention date]. Bituminous compositions. - A road-making composition comprising stone aggregate coated with bitumen is prepared bv first coating the stone with mineral, vegetable, animal or other oil and then adding bitumen emulsion. In an example, 300 kgs. of broken stone, 200 kgs. of coarse split stone, 200 kgs. of fine split stone and 50 to 100 kgs. of sand are placed in a mixing- drum and 9 kgs. of soil is added; when the oil is thoroughly distributed, 40 to 80 kgs. of bitumen emulsion is added.
Patent GB-443603-A (GB)
Title: Improvements in hydraulic jacks
IPC: B60S9/12
Filed: 1934-10-04
Abstract: 443,603. Lifting-jacks. BOWMAN, G., 91a, Mora Road, Cricklewood, London, BURGESS, G. C., Ivydene, Preston Road, Wembley, Middlesex, and SMITH & SONS (MOTOR ACCESSORIES), Ltd., S., Cricklewood Works, Cricklewood, London. Oct. 4, 1934, No. 28484. [Class 78 (iii)] In hydraulic lifting-jacks, of the kind in which two telescoping members with an interposed tension spring are provided, one telescoping member being tubular and being formed with a conduit through its outer closed end for the admission of pressure fluid, a bolt is provided which serves to admit the pressure fluid and also to anchor the spring. Fig. 1 shows an inner cylinder 11 provided with a ground - engaging foot 12 and an outer cylinder 10 adapted to be engaged with a motor vehicle. The bolt 16 is slotted to carry the pin 26 for anchoring the spring 27 and is moved axially by the nut 18 until the washers 17, 19 make a fluid - tight joint. A lateral extension of the nut is connected to a fluid-supply pipe 24 which delivers through the passage 20 in the bolt. Fig. 2 shows a modification in which a swivelling connection 34 for the supply-pipe is interposed between the nut 38 and bolt 15. Packing- means between the inner and outer cylinders comprises a sleeve 30, one end of which is screwed on to the member 10, while the other end is formed with an undercut chamber into which a packing ring 32 is sprung during assemblage of the parts.
Patent GB-708063-A (GB)
Title: Improvements in or relating to pit props and like supports
IPC: E21D15/52
Filed: 1950-11-22
Abstract: 708,063. Hydraulic jacks. LAKE & ELLIOT, Ltd., GILBERT, G., and NEWMAN, J. Nov. 20, 1951 [Nov. 22, 1950], No. 28544/50. Class 78 (3) [Also in Group X] An hydraulic unit for a pit-prop comprises a socket 4 in which is slidatble a pad 8 seating on top of the pit-prop 1, and a ram 6 engaging the pad, against which it is adapted to be forced when the pressure of the fluid in the ram chamber 17 is increased by a screw plunger 25 and the head 3 is forced against the mine roof.
Patent GB-988207-A (GB)
Title: Purification of crystals
IPC: B01D9/00
Filed: 1963-07-19
Abstract: 988,207. Concentrating liquids by freezing. PHILLIPS PETROLEUM CO. July 19, 1963 [Aug. 6, 1962], No. 28635/63. Heading F4H. In a process for concentrating liquids by freezing in which crystals and mother liquor are passed successively through a liquid removal zone 2 and a reflux zone 3 to a melt zone in a cylindrical column 9, a part of the melt being displaced countercurrently to the crystals in the reflux zone by means of a pulsating pressure, the melt from the melt zone is passed into a surge chamber 6 to which the pulsating pressure is applied. The volume of the chamber in U.S. gallons is equal to, V plus or minus 25% or V plus or minus 10% where V=0À033 D<SP>1.98</SP>, D being the diameter of the cylindrical column in inches. It is stated that this choice of volume prevents channelling of the crystal mass in the reflux zone by the melt. The surge chamber 6 comprises a cylinder 19 secured to the end of column 9 and the space defined between the end wall 20 of the column and a combined heating and partition assembly 4. The pulsating pressure is applied to the chamber 6 by a piston rod 21 reciprocated in cylinder 19 by a pulse-unit 7. The assembly 4 comprises a heating coil and a filter mounted between apertured supporting plates, part of the coil being arranged to project into chamber 6 (Fig. 2, not shown). A thermocouple 28 is connected to a control device 29 which regulates a valve 34 in a steam line 33 to control the degree to which the fluid circulated to the heating coil is heated in a heat exchanger 32. An electric heating element may be employed. The process may be used to concentrate fruit and vegetable juices or to separate paraxylene from a mixture of xylenes and ethyl benzene. Specification 807,100 is referred to.
Patent GB-1358661-A (GB)
Title: Catalytic polyerization and copolymerization of olefins
IPC: C08F2/04
Filed: 1972-06-19
Abstract: 1358661 Olefin polymerization catalysts INSTITUT KHIMII NEFTI I PRIRODNYKH SOLEI AKADEMII NAUK KAZAKHSKOI SSR 19 June 1972 [18 June 1971] 28685/72 Heading C3P Olefins are polymerized in a hydrocarbon or chlorinated hydrocarbon solvent medium in the presence of a catalyst comprising (a) a solution of VCl 4  in SiCl 4  and (b) an organometallic compound. In the examples ethylene is polymerized in benzene or n-hexane using (a) and as (b) aluminium diethyl chloride or triethylaluminium and ethylene and propylene are copolymerized in benzene using (a) and aluminium diethyl chloride The product is treated with HCl in isopropanol and washed with water. During the polymerization the SiCl 4  may be converted to SiO 2  which acts as a filler for the polymer product.
Patent GB-243347-A (GB)
Title: Improvements in or relating to tobacco pipes
IPC: A24F1/00
Filed: 1925-11-13
Abstract: 243,347. Haglund, E. T. Nov. 20, 1924, [Convention date]. Tobacco pipes. - A smoke-cooling device for a tobacco pipe comprises hollow members 1, 3, connected by sockets 4, 5 repective v with the mouth-piece and the stem, and one or more intermediate hollow members such as 2. Each intermediate member has a central partition 6 perforated at 7. The device may be constructed of thin tin or other heat-conducting material.
Patent GB-1294491-A (GB)
Title: Improvements in or relating to refractory bricks
Inventor: ETZEL K
IPC: C21B7/06
Filed: 1970-06-12
Abstract: 1294491 Graphite SIGRI ELEKTROGRAPHIT GmbH 12 June 1970 [20 June 1969] 28691/70 Heading C1A. A graphite brick comprises a mixture of granular (i.e. at least 0À075 mm. particle size) and pulverous (i.e. <0À075 mm. particle size) graphite, and comprises 30-70% by weight of the powder and from 70 to 30% by weight of the granular form, bonded with a carbonized pitch/tar binder. Preferred ranges of particle size are given and the green composition may include 15-26% by weight of binder when it is ready for shaping.
Patent GB-625134-A (GB)
Title: Improvements in devices for treating fish refuse and the like
IPC: B30B9/26
Filed: 1946-09-26
Abstract: 625,134. Presses for separating liquids from solids. FARRAR BOILER WORKS, Ltd., and PALMER, J. E. Sept. 26, 1946, No. 28764. [Class 46] [Also in Group XXX] A conduit, for a press of the type comprising a perforated conduit, a varying pitch worm rotatable therein to compress refuse against the inner walls thereof and expel liquid through the perforations, and an outer member with liquid and refuse outlets, consists of a pair of end rings joined by a series of axial bars spaced around the rings, the bars being fixed to the end rings by reduced ends welded in axial holes in the rings That part of a conduit 2 Fig. 2, lying between the inlet and outlet., (not shown), consists of a series of spaced axial parallel bars 6 fixed to a pair of rings 7 encircling a worm 1, one at each end of the conduit. The longer sides 8, Fig. 5, of the bars are disposed radially, so that the gaps 9 between ad jacent bars are wider a the outer periphery than at the inner. Each bar 6 terminates at each end in a spigot 10, Fig. 4, of reduced width received in an axial bore 11 in the associated ring 7. The spigot 10 is shorter than the bore 11, leaving room for welding. The bars may also be welded at Y. The conduit is fixed in and held from an outer casing 12 by four rings 13, the casing 12 itself being fixed at either end to flanges 15 and 16 on the main conduit near the inlet and outlet of the apparatus respectively. The casing 12, together with the conduit 2 is preferably formed in two parts as shown in Fig. 5, joined by bolts 19 through flanges 18. A notch 7a in each ring 7 is provided to register with fixed bolts 7b to locate the conduit 2 in the casing 12. Steam pipes 20 and sight holes with removable covers 21 may be provided. In a modification, the conduit is divided into two sections transversely, having flanged ends bolted together, one section having a greater number of bars 6 which are more closely spaced than the other section. In a further modification, the upper half of the casing 12 is dispensed with, and the upper half of the conduit 2 is held in position by straps 23, Fig. 6, located at suitable positions in the length of the conduit. Splash guards 25 are also provided. Specification 415,305 is referred to.
Patent GB-1406183-A (GB)
Title: Elastomeric energy absorber
IPC: B60R19/30
Filed: 1973-06-18
Abstract: 1406183 Vehicle bumpers FORD MOTOR CO Ltd 18 June 1973 [21 July 1972] 28811/73 Heading B7J [Also in Division F2] A bumper bar is mounted on a vehicle (not shown) by an elastomeric spring unit comprising an elongate housing 11, a ram 21 telescopically movable into the housing, and elastomeric members 26 located on opposite sides of the arm 21 and bonded between it and the housing, a ramp 29 formed on the ram 21 abutting a wedge 36 fast with the housing 11 to prevent withdrawal of the ram from the housing, whilst allowing movement into the housing on impact to stress the elastomeric members in shear. The ram 21 is an I cross-section beam, the top flanges 27, 28 of which are bent to form two ramps 29, 31. Two co-acting wedges 36, 37 are formed on a plate 32 welded to the housing. The coacting ramps and wedges prevent vibratory movement of the ram and housing in the vertical direction, and provide a rigid connection in extension, so enabling the vehicle to be towed or jacked up via the bumper. The elastomeric members 26 are under a shear and optionally also a compression pre-load. The method of assembly of the unit is as follows. The elastomeric members 26 are positioned on either side of the ram 21 and held in place with adhesive. The wedge plate 32 is loosely positioned on top of the I-beam with the ramps and wedges in contact. The ram 21 is then slid into the housing 11 placing the elastomeric members under 10% compression. The unit is held together in a jig, and inserted into an oven at 300‹ C. The elastomeric members become vulcanized to the ram and the housing. Then the ram 21 is forced (with 500 p.s.i.) further into the housing to pre-load the elastomeric members in shear, the wedges of the wedge plate 32 are moved into contact with the ramps, and the wedge plate is puddle-welded to the housing.
Patent GB-1236813-A (GB)
Title: Improvements relating to catalysts for polymerising olefines
IPC: C08F4/68
Filed: 1968-06-18
Abstract: 1,236,813. Olefin polymerization. SOC. NATIONALE DES PETROLES D'AQUITAINE. 18 June, 1968 [20 June, 1967], No. 29013/68. Heading C3P. Olefins are polymerized in the presence of a catalyst system comprising a Group I to III organometallic compound and a transition metal compound wherein an activator comprising a halogenated derivative of 5,8-dioxo-1,4,5,8,9,- 10 - hexahydro - 1,4 - methylene naphthalene containing at least four halogen atoms in the nucleus which does not carry the oxygen atoms is added to the reaction medium. Preferably the activator has halogen atoms in the 1 to 4,9,10 or 11 positions, and also hydrogen atoms in the activator molecule may be substituted by hydrocarbon radicals. The preferred activator is 1,2,3,4,11,11 - hexachloro - 5,8 - dioxo - 1,4,5,- 8,9,10 - hexahydro - 1,4 - methylene naphthalene (HDMH). The activator may be present in 5 to 50 moles per atom equivalent of transition metal. In the examples, ethylene and propylene are copolymerized in cyclohexane using a catalyst system comprising VOCl 3  and Et 3 Al 2 Cl 3  or Et 2 AlCl, the activator comprising a benzene solution of HDMH and on completion of the polymerization, the remaining catalyst is destroyed with ethanol, and the polymer precipitated with an ethanol acetone solution.
Patent GB-1067029-A (GB)
Title: Improvements relating to transfer machines
Inventor: HOLBECHE HORACE WILLIAM
IPC: B23Q7/14
Filed: 1964-07-15
Abstract: 1,067,029. Transfer machines. AUSTIN MOTOR CO. Ltd. Oct. 11, 1965 [July 15, 1964], No. 29034/64. Headings B3B, B3C and B3D. A transfer machine for boring, grinding, milling, drilling and tapping comprises a number of self-contained units mechanically and detachably connected together. In Figs. 1 and 2 (not shown), two adjacent units include fixtures 1A, 2B for the work, multiple machining heads 1C, 2C, and swarf-removing conveyers having angle-irons 5 carried by twin-belts 4. The swarf is conveyed to a common conveyer 7. Each unit also has a control panel 8, an hydraulic supply 9, an hydraulic work clamp 10 and a coolant pump 11. Each fixture includes clamping bars 12 and stripper bars 13. Transfer is effected by a bar 14, Fig. 5 (not shown), composed of sections, one for each unit, and operated by an hydraulic device 21. Cams 33 on the bar rock levers 36 to rotate cams 38 controlling switches and valves 34, 35. Platform lifts 19, 22 at each end of the machine are operated by hydraulic devices 20, 23 controlled by switches 40, 41. Further hydraulic devices 31 move twin clamps 28 to secure workpieces located by dowels 32. Extensions 51, 52, 53 on the hydraulic devices actuate switches to ensure that the transfer rod moves only when all the clamps are operated or are all released. Figs. 8 and 7 (not shown), respectively illustrate the correct functioning of all the parts to enable a switch 75 to initiate return of the transfer bar and the incorrect functioning of the second clamp resulting in the raised position of the second bar 62 and the inability of an arm 74 to close the switch 75. In modifications, the correct functioning of all parts is determined by the actuation of a photo-cell when apertured plates allow passage of a light beam, or of a receiver co-operating with an ultrasonic transmitter. Cams 91 for each unit control switches to set the unit for automatic operation, for stopping at the end of the current cycle or for inching control. The cams are set by a hand lever 83 which can only be moved when a safety key 82 has been inserted. Each unit can be inched individually only when the safety key has been inserted in that unit. An indicator lamp at each station shows when a cycle has been completed.
Patent GB-185671-A (GB)
Title: Word counting mechanism for typewriters
IPC: B41J29/24
Filed: 1921-11-01
Abstract: 185,671. Gaynor, T. F. Nov. 1, 1921. Counting-apparatus. - A clip detachably mounted on the frame of the typewriter or on a supporting-bar carries a word-counter, and a key-lever or slide which engages the space-bar and the actuating-lever of the counter. In the apparatus shown in Fig. 2, a clip A<1> adapted to be hooked upon the frame A supports a counter D, and a key-lever E which engages and operates the space-bar B and the counter-lever F. The arrangement permits direct operation of the space-bar without operation of the counter, and on turning the key-lever to the position shown in dotted lines, the counter-lever can be operated without operating the space-bar. The key-lever is formed with a finger-piece E<2> which may be rounded at the top and bottom and may have lugs engaging the front and rear of the spacebar. To equalize the pressure of the key-lever, the counter-lever may be curved. The clip may be provided with a fastening-device, preferably one or more turn-buttons I or pivoted spring blades. The clip may be formed with adjustable lugs C<1>. C<2> carrying the counter and the keylever respectively, the counter being secured to the lug C<1> by screws or dovetails. Chattering of the key-lever may be prevented by means of a spring. In the apparatus shown in Fig. 7. a clip H<1> supports a counter D and a slide E<5> having a key-piece E<3> engaging the space-bar B and the counter-lever F. A returning-spring C<8> engages the slide, and the key-piece is formed with a loop Q for returning the counter-lever. The counter-lever may be replaced by a slide, and the counter may be cylindrical in shape, the lug C<1> embracing the counter and having pins entering holes therein.
Patent GB-490031-A (GB)
Title: Improvements in and relating to rubber and metal parts for elastic suspension purposes
IPC: F16F1/50
Filed: 1936-10-26
Abstract: 490,031. Resilient mountings. GOLDSCHMIDT, M. Oct. 26, 1936, No. 29074. Void. Convention date, Oct. 25, 1935.. [Classes 4 and 108 (iii)] An elastic-suspension particularly for aircraft engines includes discs 2 clamped on a spigot 1, the discs being separated by rings 51. Discs 3 are held by spring-rings 9 in the support 4, the discs being separated by rings 8. The rings 5<1>, 8 have rubber facings 13, 12 respectively. A block of rubber 5 further separates, as shown, the discs 2, 3 and is vulcanized to the discs.