baber/WOPTO huggingface dataset:
Patent GB-407413-A (GB)
Title: Improvements in process of centrifugal casting and apparatus therefor
IPC: B22D13/00
Filed: 1932-09-27
Abstract: 407,413. Casting composite articles centrifugally. DURAFER, Inc., 744, Broad Street, Newark, New Jersey, U.S.A. Sept. 27, 1932, No. 26781. Convention date, Nov. 6, 1931. [Class 83 (i).] Molten metal contained in an annular trough 19 in a member 16 secured to a rotary table 10 is cast centrifugally into a band or mould 21. Gears, sprockets and brake drums may be thus cast. The member 16 may be of refractory material and the mould and/or the member 16 may be heated. The depth of the trough 19 and the angle of its outer rim are chosen so that casting takes place at the required speed. A series of layers of metals may be cast by provided concentric troughs 28, 29, Fig. 12. A metal ring may be placed in the mould, to unite with the cast metal, the insert being perforated or notched, or being made of such a section as to ensure interlocking. Part of the ring insert may be of expanded metal form. The insert may be coated with tin, aluminium, zinc, &c. A cast ring 63, Fig. 15 with an insert 60 projecting below the ring 63 may be secured to a support 64 by welding the projection as at 65.
Patent GB-687130-A (GB)
Title: Improvements in and relating to hall effect devices
IPC: G01R31/26
Filed: 1951-11-15
Abstract: 687,130. Hall effect devices. BRITISH THOMSON-HOUSTON CO., Ltd. Nov. 15, 1951 [Nov. 15, 1950], No. 26783/51. Class 40 (iv). [Also in Group XXXVI] The magnetic field perpendicular to the surface of a Hall plate 10 is produced by a large current passing through a fine conductor 20 adjacent and parallel to one edge of the Hall plate. This current is supplied over larger heat-dissipating conductors 21, 22 from a source 2 while the longitudinal current is supplied through electrodes 11, 12 from a source 1. The potential developed between electrodes 16, 17 is proportional to the product of the currents from sources 1 and 2, either of which may be direct or alternating. Preferred dimensions are given.
Patent GB-340578-A (GB)
Title: Improvements in visual weather screens
IPC: B63B19/00
Filed: 1929-09-03
Abstract: 340,578. Rotatable view screens. KENT, L. H. and KENT, Ltd., G., 199, High Holborn, London. Sept. 3, 1929, No. 26789. [Class 20 (iii).] Obscurement by rain, preventing.-A weather screen of the kind having a rapidly rotated disc for shedding rain &c., is provided with a fixed annular trap 2 at the periphery of the disc to prevent rain being blown inside the screen. The metal rim on the disc has a lip extending into the trap and an outer ring 9 with a forwardly extending edge to throw off water and forms in conjunction with the fixed parts 1, 8, a zig-zag air passage 7<1>, 7 having a rearward opening into the trap. The trap has a sump 11 and one or two tubular exhausts 12 provided with cowls 13 towards the outside.
Patent GB-1472104-A (GB)
Title: Method and device for packaging box flats
IPC: B65B5/06
Filed: 1974-06-18
Abstract: 1472104 Packaging box blanks J BOBST & FILS SA 18 June 1974 [29 June 1973] 26879/74 Heading B8C Assemblies 16, 17 of box blanks positioned on a removable surface 11, 12 above a container 15<SP>1</SP> have a weight positioned thereon so that when the surface is removed the assemblies fall into the container 15<SP>1</SP>. Conveyers 1-3 feed the blanks into a stack against a movable stop 4. Assemblies formed from the stack between an adjustable stop 6 and a vertically movable separator 5 are moved by a pusher 7 on to paper on the surface 11, 12. A reciprocable cam operated gripper (Fig. 8, not shown), pulls the paper from a roll 13. The cut paper is of larger dimensions than the cross-section of the box. The removable surface may comprise two plates 11, 12 linearly and/or rotatably movable, or a cloth or cover mounted on rollers or chains. The weight has shoulders projecting into grooves in guide plates 9, 10. Downwardly extending flanges on the shoulders prevent the end blanks from toppling over during descent into the container. More than one layer of blanks and paper is inserted into the container. The weight may comprise a perforated plate or a telescopic rod assembly to adjust the size of the weight to different containers. The weight may be raised by an hydraulic cylinder, solenoid, or rack and pinion.
Patent GB-867417-A (GB)
Title: Ceramoplastic and method of manufacturing same
IPC: C03C10/16
Filed: 1957-08-26
Abstract: A vitreo crystalline material is obtained by mixing alkali metal silicofluoride and alumina with non-hydroxyl micaceous material, heating to a temperature causing the silicofluoride and alumina to react forming a liquid in which the micaceous material is dispersed and then cooling to allow the liquid to form another crystalline phase together with a glass forming the vitreous phase of the product.  Synthetic fluor-phlogopite mica is preferred and a mixture of alkali metal silicofluorides can be used, proportions of ingredients being given.  Temperatures of 1500 DEG -1800 DEG F. are specified and preheating at 500 DEG -700 DEG F. may occur.
Patent GB-228241-A (GB)
Title: Improvements in or relating to the moulding of rubber
IPC: B29C43/54
Filed: 1923-10-29
Abstract: 228,241. Briggs, A. W. Oct. 29, 1923. Moulding indiarubber.-In the manufacture of articles of predetermined size and shape, such as boot soles having a tread-pattern, stitching- grooves &c., by submitting crepe or like rubber to pressure in heated moulds, the crepe is combined with a medium such as a layer of a vulcanizable rubber compound, to control and regulate the shrinkage, the two layers being united by the vulcanization of the latter. The vulcanizable rubber may be applied as a backing or facing, or as an insertion between two layers of crepe, and may contain a fibrous reinforcement, and preferably an accelerator to enable vulcanization to be effected at a temperature which does not cause deterioration of the crÛpe.
Patent GB-158351-A (GB)
Title: Improvements in or relating to starting devices for internal combustion engines
IPC: F02N99/00
Filed: 1919-11-03
Abstract: 158,351. Torrens, J. A. Nov. 3, 1919. Starting.-A starting-device comprises a drawoff pipe a depending in a fuel tank b and communicating through a conduit e with a pipe leading to the induction pipe and fitted near the induction pipe with a spring-pressed valve k, Fig. 2, actuated by a Bowden wire or other means. The fuel is atomized, on admission to the conduit e, by a nozzle g whicls has a central and constant air inlet and is adjustable to vary the annular fuel passage around the nozzle.
Patent GB-1007630-A (GB)
Title: Evaporating and depolymerizing device
Inventor: SARRAT PIERRE
IPC: C01B35/06
Filed: 1964-06-30
Abstract: 1,007,630. Vaporization of liquids. COMMISSARIAT A L'ENERGIE ATOMIQUE. June 30, 1964 [July 30, 1963], No. 27021/64. Heading B1B. A liquid such as hydrogen fluoride (HF) n  is vaporized, and the vapours are depolymerized, in an apparatus comprising a doublewalled vessel 1 the top of which is connected by conduit 5 to a coil 6, means for the forced circulation of a heating-liquid over the outer surface of the coil and through the double-wall of vessel I, and a Venturi 19 at the vapourdischarge end of the coil. As shown, coil 6 is surrounded by box 7 ; and the heating-liquid is circulated by pump 10 around the cycle comprising box 7, pipe 9, the double-wall of vessel 1, pipe 8, and back to box 7. The apparatus is surrounded by a layer 18 of heatinsulating material. In the case of hydrogen fluoride, the heating-liquid, e.g. paraffin oil, is maintained at 120 ‹C. +2 ‹C. by electrical heating element 15 regulated by thermometer probe 16. The apparatus may be made of copper. Reference is made to the vaporization of the following compounds: B 4 H 10 , BCl 3 , HCN, BrF 5 , CS 2 , MoF 6 .
Patent GB-170838-A (GB)
Title: Improvements in electric heating or cooking appliances
IPC: H05B3/68
Filed: 1921-10-12
Abstract: 170,838. Zehetmaier, J., and Wolf, R. Oct. 27, 1920, [Convention date]. Void [Published under Sect. 91 of the Act]. Electric hot-plates.-A flat hot-plate, preferably of aluminium, is provided with an enlargement or rib adapted to receive an electric heating unit. A plate a has a diametrical projection with a hollow space b in which is placed horizontally an electric heating element c. The element c touches the metal above it, but a space is left below which is packed with asbestos or the like. The plate may have a rim f.
Patent GB-1152624-A (GB)
Title: Improvements relating to Combined Tedder and Turner Units
Inventor: PUERRER JOSEF
IPC: A01D78/10
Filed: 1967-06-13
Abstract: 1,152,624. Haymaking machines. MASCHINENFABRIK FAHR A.G. 13 June, 1967 [24 June, 1966], No. 27144/67. Heading A1F. In a haymaking machine the kind having rotary rake-heads 11 mounted side-byside, in use, transverse to direction of travel and supported by ground-wheels 12 carried on vertical spindles 3, 4, co-axial with the rake-heads, the spindles are mechanically coupled together for simultaneous angular adjustment about their axes by means of a lever 8, whereby the rake-heads can be brought into a transport position, of reduced transverse width. As shown, the machine has two rake-heads carried by a transverse frame-member 15 towed behind a tractor by a rigid tow-bar. The spindles 3, 4 are respectively anchored to a bell-crank 5 and radius arm 6 which are coupled together by a track-rod 7. The lever 8 forms the other arm of the bellcrank and co-operates with a detent 10 on the adjacent rake-head mounting 1, to hold the ground-wheels 12 in any adjusted position. For road-use, the lever 8 carries reflectors 9. The tow-bar (Figs. 1 and 2, not shown) is rigid with the frame 15 but is pivoted to the tractor so that the machine is self-aligning behind the tractor.
Patent GB-1273296-A (GB)
Title: A method of producing 1,4-bis-(trichloromethyl)-benzene
Inventor: ENGLIN ABRAM LVOVICH
IPC: C07C17/38
Filed: 1970-06-05
Abstract: 1,273,296. 1,4 - Bis - (trichloromethyl)- benzene. A. L. ENGLIN, V. R. ROZENBERG, G. V. MOTSAREV, E. P. POGODINA, V. E. KHODKINA, I. N. USPENSKAYA, and I. E. SPEKTOR. 5 June, 1970, No. 27163/70. Heading C2C. 1,4 - Bis - (trichloromethyl) - benzene is prepared by chlorinating 1,4-dimethyl-benzene and crystallizing the desired product from a solution of the crude product in an oil hydrocarbon having from 7 to 10 carbon atoms per molecule and a boiling point of from 75-150‹ C.
Patent GB-535306-A (GB)
Title: Improvements in hydraulic molding presses
IPC: B29C43/00
Filed: 1939-10-04
Abstract: 535,306. Moulding-presses. WATSON-STILLMAN CO. Oct. 4, 1939, No. 27168. Convention date, Oct. 11, 1938. [Class 87 (ii)] A press for moulding synthetic resin &c. articles comprises a fixed member lb carrying one half mould b, a movable member 1a reciprocable horizontally by a hydraulic ram 1 and carrying the other half mould a and a co-operating horizontal platen 2a movable vertically by a hydraulic ram 2. The platen 2a supports a sub-platen 2b which is movable transversely of the platen 2a by the movement of the member 1a to strip the moulded article. The sub-platen 2b is connected to a yoke 42 embracing a bar 41 extending from the member 1a the arrangement being such that, after the moulding operation, the platen is slightly raised to free a core c on the sub-platen 2b, then the mould half a is separated from the article and, after a time, the bar 41 moves the sub-platen 2b laterally to separate the article from the other half mould b, the completed article falling between the mould halves. The cylinders of the rams 1, 2 are controlled through valves operated through levers by compressed air pistons 3 actuated by solenoids 18 ... 21 controlled by cam contacts on a timing shaft. Material is fed to the moulds from a jacketed hopper 30 by a feed slide 31 connected through rods 33, 34 to pistons working in compressed air cylinders 33', 34<SP>1</SP> to which air is alternately admitted through a valve controlled by a lever 26; as the platen rises, a latch member 24 engages the lever 26 and causes advance of the feed slide, after which the latch is tripped by a solenoid 39 controlled from the timing shaft and the lever 26 returns under spring action. The automatic electric timing gear is described in U.S.A. Specification 1,655,815.
Patent GB-1103667-A (GB)
Title: Isolation of bacitracin
IPC: C07K7/58
Filed: 1965-06-28
Abstract: The antibiotic bacitracin is isolated from crude solutions, particularly from fermented media, by converting bacitracin into a novel water-insoluble complex compound of the general Formula I: (R-SO3H)4n(M)n(bacitracin)n wherein R is an alkyl, alkenyl, alkoxy or alkenoxy group of 4 to 20 carbon atoms; or an aryl group containing at least one alkyl or alkoxy group with 4 to 16 carbon atoms in the nucleus, whereat the residue R is linked to the -SO3H group either directly or by mediation of an oxygen atom derived from the residue R, M is an atom of the complex-forming metal Zn, Co, Mn, Ni, or Cu and n is an integer, by the action of a compound of the general formula R-SO3H, or of a water-soluble (e.g. Na) salt thereof, in the presence of a water-soluble salt of the complex-forming metal, in acid solution at pH 2 to 5; the precipitate of the complex compound after separation from the solution is dissolved in an alkanol with 1 to 5 carbon atoms at a pH of 4 to 9 and converted by means of an ion-exchanger into bacitracin which, after neutralization of the effluent, is isolated, e.g. by lyophilization.  The complex compound of general Formula I dissolved in said alkanol may be freed from the anion R-SO3-by the action of a strongly basis anion exchanger in the acid form, e.g. CH3COO-form. The solution so obtained may be concentrated and, by addition of a water-soluble salt of the metal that had been used for production of the complex compound, a metallic salt of bacitracin precipitated and then separated, e.g. by centrifuging or filtration.  In another embodiment, after removal of the anion R-SO3-, the solution is freed from cations by the action of a closely cross-linked cation-exchanger in the H-cycle, the solution obtained being neutralized by action of a weakly basic anion-exchanger in the OH-cycle, whereupon pure bacitracin is isolated from the neutralized solution, e.g. by extraction with a water-immiscible solvent (e.g. butanol) and evaporation of the extract. Examples of the R-SO3H component of bacitracin complexes of general Formula I include diisobutylnaphthalenesulphonic acid, dodecylbenzene sulphonic acid, a sulphonated mixture of cetylalcohol and oleylalcohol and a mixture of sulphonated C8-C16 alcohols.  The complex bacitracin compounds of general Formula I may be included in pharmaceutical forms and fodder supplements.
Patent GB-470142-A (GB)
Title: Improvements in and relating to loose-leaf binders
IPC: B42F13/00
Filed: 1936-10-08
Abstract: 470,142. Loose leaf binders. VENNARD, W. Oct. 8, 1936, No. 27341. [Class 146 (i)] In a loose-leaf binder in which one of the clamping-bars 2 carries post-engaging spring - detents 4 which allow the bar 2 to be moved downwardly on the posts 3 but prevent upward movement unless positively released, the detents are arranged to co-operate with fixed abutments which limit flexing of the detents due to upward pull on the bar 2 and thus prevent slackening of the pressure of the bar 2 on the leaves liable to be caused by such a pull. In one form, Fig. 6, a stop 16 on each detent 4 engages the lower face 17 of the bar 2 to prevent the flexing, and thumb-levers 12 movable towards the ends of the bar 2 and projecting through slots 14 in the upper face of the bar 2 are provided for releasing the detents. In a modification, the abutment action is caused by the engagement of the levers 12 with the ends of the slots 14. Each bar comprises two parts spaced by studs 8 the reduced ends of which are riveted over the two parts. The lower ends 7 of the studs serve for attaching the detents 4 to the part 17 of the bar 2.
Patent GB-262401-A (GB)
Title: Automatic compressor for gaseous media
IPC: F04B39/16
Filed: 1926-11-01
Abstract: 262,401. Barbareschi, F. Dec. 3, 1925, [Convention date]. Relief devices.-A pump 22 for dealing with liquefied gas in a compressor plant is formed on the bearing 5 of the compressor shaft 4 and has a movable spring-pressed head which opens under excessive pressure in the pump.
Patent GB-711023-A (GB)
Title: Improvements relating to precombustion chamber devices for diesel engines
IPC: F02B19/14
Filed: 1952-10-31
Abstract: 711,023. Precombustion chambers. DAIMLER-BENZ AKT.-GES. Oct. 31, 1952 [Nov. 2, 1951], No. 27456/52. Class 7(3) A rod 19 inserted in a precombustion chamber 15 is suspended from a cross-pin 22 supported in the said chamber. The precombustion chamber 15 and transfer passage 17 are provided with a liner 16 in which the pin 22 is supported, the rod 19 having an eye at its upper end through which the pin 22 passes. A second supporting pin may be provided and the rod 19 is fitted with a baffle disc 20 spaced from the end of the liner 16 so that an annular gap 21 is formed for the outlet of the precombustion chamber contents.
Patent GB-1287340-A (GB)
Title: Method and apparatus for producing photographic reproductions by contact printing
IPC: H01L21/027
Filed: 1970-06-08
Abstract: 1287340 Contact printing INTERNATIONAL BUSINESS MACHINES CORP 8 June 1970 [23 June 1969] 27555/70 Heading G2A In making a contact print, the original and copy plates are spaced apart in an enclosure until a vacuum is produced therein, and then the two are brought into contact for the exposure step. As shown, the enclosure comprises two sections 1, 2, hinged together at 4 so that they can open to the position of Fig.1 (not shown). A third section 3 is attached by means of a bellows 5 to the inside of the top section 1. O-rings 26, 27, which can act as seals, are attached to sections 2 and 3 respectively. An exhaust port 14 communicates with the space 24a generally enclosed between sections 1 and 2, and another port 20 with the space 26a inside the re-entrant part of section 2. Further exhaust ports 15, 16 communicate respectively with the space 12a inside the bellows and the space 27a inside section 3. The original 28 and copy plate 29 are initially placed in position on O-ring 26, sections 1 and 2 closed, and a lever handle 9 set in the vertical position Fig.2 (not shown). A cammed part 10 of the handle bears against a shaft 3a connected to section 3 so that turning the handle can move section 3 vertically. When handle 9 is set vertically, section 3 is forced downwards and the plates 28, 29 brought into contact. Inner compartment spaces 26a and 27a are now exhausted through ports 20 and 16. Next, the bellows compartment 12a is exhausted through port 15. Although plates 28, 29 are in contact, this may not be uniform and complete owing to residual air between them. Handle 9 is now swung into the horizontal position of Fig.3, which raises section 3 to separate plate 29 slightly from plate 28. Spring clips 24b, 24c support plate 29 in this position. Space 24a is now exhausted through port 14. Handle 9 is once more brought to the vertical position, so that the plates are once more pressed together Fig. 4 (not shown), this time in complete contact, since the space between the plates is also now exhausted. Spaces 26a, 27a are now pressurized to hold the plates together, and an exposure is made by illuminating from a light source 41 through a lens 21 attached to the lower section 2.
Patent GB-994401-A (GB)
Title: Organosilicon polymers
IPC: C08G77/48
Filed: 1963-07-12
Abstract: Organosilicon block copolymers comprising (1) blocks of the formula (R2Si)x, wherein each R is H or an alkyl, cycloalkyl, aryl or a perfluoroalkylethyl radical, there being an average of at least 2 Si-bonded H atoms per polysilane block and x has an average value of at least 3, and (2) blocks of the formula <FORM:0994401/C3/1> , wherein each R1 is a monovalent hydrocarbon or halohydrocarbon radical, each R11 is a divalent oxygen atom or a divalent hydrocarbon, hydrocarbon ether or haloarylene radical, n is 1 or 2 and y has an average value of at least 5, can be made by mixing (A) a polysilane of the formula A(R2Si)xA, wherein each A is a chlorine, bromine or iodine atom, with (B) a compound of the above formula (2) but having in addition at least 2 terminal Si-bonded OH radicals. The reaction proceeds upon mixing the reactants, and is effected in the absence of oxygen and water.  If desired, the reaction can be effected in an inert organic solvent and in the presence of an acid acceptor.  Fillers, pigments and usual additives can be added to the copolymers which cure when exposed to oxygen.  In a typical example (1) a hydroxy-terminated dimethylpolysiloxane, toluene and pyridine were placed in a reactor under nitrogen and a chlorine-terminated methylhydrogenpolysilane was added thereto with stirring to yield, after removal of pyridinehydrochloride and toluene, a milk-white, viscous liquid which was stable in the absence of air, but which cured to an elastomer on exposure to air.  Uses.-In caulking, potting, filling and coating applications.  The halogen-terminated polysilanes are made by reacting dihalosilanes with alkali metals, preferably in inert solvents.  Specifications 841,825, 844,128 and 862,576 are referred to.
Patent GB-1467940-A (GB)
Title: Lock-up clutch flow-limiting and pressure-reducing valve
IPC: F16K11/07
Filed: 1975-07-02
Abstract: 1467940 Lock-up clutch control; valves CATERPILLAR TRACTOR CO 2 July 1975 [7 Nov 1974] 27850/75 Headings F2D F2L and F2V The lock-up clutch 30 of a torque converter 14 is fluid-actuated by fluid from a pump 34, which also engages clutches and/or brakes to establish drive connections in a transmission 16, the fluid supplied to clutch 30 being at a reduced pressure and rate compared to that supplied to the components in transmission 16. The reduction in fluid pressure and flow rate to clutch 30 is achieved by means of a flow and pressure limiting valve 54 having a fluid inlet 66 to a bore containing an outer sleeve 84 and an inner spool 118. Air pressure supplied from an air valve 58 causes the outer sleeve 84 to move to the right against a spring 116 to supply fluid to outlet port 68, the inlet pressure through a port 94 causing the inner spool 118 to move to the left against spring 116 to restrict the flow and control the pressure supplied to clutch 30. The system prevents grabbing of the clutch 30 or excessive reduction in the pressure supplied to transmission 16 when clutch 30 is engaged.
Patent GB-840354-A (GB)
Title: Improvements relating to loose leaf filing devices
Inventor: MORTIMORE CHARLES HENRY
IPC: B42F13/00
Filed: 1957-09-04
Abstract: 840,354. Loose-leaf binders. HARE & SON Ltd., C. H. Sept. 1, 1958 [Sept. 4, 1957], No. 27855/57. Class 146(1). In a loose-leaf binder having upright filing posts grooved at their extremities for cooperating with a detachable locking bar which is provided with apertures adapted to receive the ends of the posts, the apertures are provided with bushes d to ensure the smooth entry and withdrawal of the posts and the filing posts are made up of sections, the final section having an annular groove a<SP>2</SP> and a coned extremity a<SP>3</SP>. The locking bar comprises a sheet metal casing c, a spring controlled latch b and a bush d fitted in aligned apertures in the casing and having the wall adjacent the edge b<SP>1</SP> of the latch removed. In an alternate arrangement the bush is formed integrally with the casing by means of a stamping operation.