baber/WOPTO huggingface dataset:
Patent GB-1195977-A (GB)
Title: Improvements in and relating to Actuators for Vehicle Brakes.
Inventor: NEWSTEAD CHARLES
IPC: F16D65/14
Filed: 1966-09-24
Abstract: 1,195,977. Internal shoe drum brakes. GIRLING Ltd. 18 Sept., 1967 [24 Sept., 1966], No. 42734/66. Heading F2E. In an actuator of the roller expander type for a drum brake, two oppositely displaceable tappets 14 have opposed inclined ends each engaged by one or more rollers 36, rotatable on a common shaft 32 movable at least in line with the tappet axes so as to accommodate unequal wear of the brake shoes 46. As shown in Fig. 2, the tappets 14 have rectangular cross-section and are displaceable within rectangular openings of a body 10 by downward movement of a pull rod 40. Each tappet 14 has an end 16 of circular section engaging carriers 44 for brake shoes 46. The carriers 44 may be omitted. Three rollers 36 of equal diameter are pivoted on a pin 32 in a yoke 28 and arranged so that the outer rollers engage only the right hand tappet 14 whilst the centre roller engages only a land formed on the inclined edge of the left hand tappet 14 (see Fig. 4). The head 42 of the pull rod 40 and a collar 30 have part-spherical surfaces to allow movement of the pin 32 parallel to the tappet axes. In Fig. 5, the tappets 50 have circular cross-section, rotation being prevented by rectangular bearing pads spigotted on to the inclined end faces of the tappets. The yoke 58 is centralized within the housing 52 by engagement of the bearing pads 54 (Fig. 4) between the inner surfaces of the yoke. The bearing pads 54 are of different size, incorrect assembly being prevented by a lug 66 formed in the cover 64. The actuator is mounted behind a brake back plate so that the pull rod 62 projects at an angle of 11 degrees 30 minutes to the normal. In Fig. 9 (not shown), roller bearings are interposed between the common pin and each roller, whilst in Fig. 8 (not shown), the centre roller is replaced by two parallel rollers.
Patent GB-1200376-A (GB)
Title: Improvements relating to loading skip assemblies
Inventor: FERGUSSON CHARLES BOSCAWEN
IPC: G01G5/00
Filed: 1967-09-20
Abstract: 1,200,376. Weighing apparatus. MILLARS' MACHINERY CO. Ltd. Oct.16, 1968 [Sept.20, 1967], No.42829/67. Heading G1W. A concrete mixing or like machine comprising a loading skip movable between elevated and lowered positions along a trackway 3 is provided with an hydraulic load cell 1 fixed relative to the trackway 3 and an arm 12 pivotally mounted at one end on the trackway 3 and arranged such that its other end engages a plunger 6 for actuating the cell 1, the arm 12 being further arranged to transmit a thrust proportional to the weight of a load in the skip to the load cell 1. The skip 17 which may be guided by rollers 15, 16 along the trackway 3 and limited in its downward movement by adjustable stops 21 is provided with a planar portion 20 which is engageable with a roller 14 on the arm 12, the arm being provided with a hardened plate 13 engaging a domed head 10 of the plunger 6. The plunger 6 which is guided by flexible bushes 11 in a housing 7 actuates the cell 1 which may be provided with a diaphragm, the cell 1 being connected to a pressure gauge calibrated in units of weight. Two arms 12 and two planar portions 20 may be provided.
Patent GB-913000-A (GB)
Title: Recovery of cyclohexan one from oxidation-mixtures by distillation
Inventor: POEHLER GUENTER
IPC: C07C45/82
Filed: 1960-12-14
Abstract: <PICT:0913000/IV (b)/1> Pure cyclohexanone is separated from mixtures, obtained by the oxidation of cyclohexane with oxygen followed by distilling off excess cyclohexane, by submitting the cyclohexane-free mixture to a multi-stage rectification process, one stage being carried out under a pressure of 300 mm. Hg. absolute to 5 atmospheres in order to remove low-boiling impurities such as amyl alcohol and aliphatic ketones, and another stage being carried out at a pressure of 1 to 300 mm. Hg. absolute whereby cyclohexanone is separated from cyclohexanol.  These two stages may be conducted in either sequence.  The difference in pressure between the two stages is preferably at least 300 mm. Hg.  In an example, cyclohexane is oxidised with air, using cobalt naphthenate as catalyst, the reaction being carried out at a temperature of 140 DEG C. and a pressure of 25 atm.  The oxidation-mixture is washed with water, and then re-oxidized.  The oxidation-product is washed with water, then with caustic soda solution, then with water again.  Excess cyclohexane is then removed from the mixture by distillation.  The mixture is then submitted to rectification in the apparatus shown in the Figure.  The mixture is first rectified under a pressure of 30 mm. Hg. absolute in column 2, which has sixty bubbletrays.  With a reflux-ratio of 3:1 and a headtemperature of 63 DEG C., a cyclohexanonefraction is withdrawn through pipe 3 and condensed.  The condensate is rectified under atmospheric pressure in column 4 using a reflux-ratio of 9 : 1. Low-boiling impurities are withdrawn through pipe 5. Cyclohexanone is withdrawn from the base of column 4, and is submitted to final purification in column 7, which is operated under a pressure of 30 mm. Hg. absolute.  Pure cyclohexanone is obtained at the top of column 7.  The residue withdrawn from the base of column 7 is returned to column 2 through pipe 10.  The cyclohexanol fraction, withdrawn from the base of column 2, is distilled in column 12 at a pressure of 30 mm. Hg. absolute. Cyclohexanol, obtained as overhead-product from column 12, is passed over a copper catalyst, deposited on silicic acid, in dehydrogenator 17, which is maintained at 280 DEG  to 320 DEG C.  The cyclohexanone from the dehydrogenator may be passed via pipe 18 to column 2, or it may be freed from volatile by-products in column 20 and then passed via pipe 21 to column 7.  In another example, the oxidation-mixture, already freed from cyclohexane, is first freed from low-boiling impurities by rectification under atmospheric pressure, and is then rectified at 30 mm. Hg. absolute to obtain pure cyclohexanone as distillate. Specifications 815,162 and 849,134 are referred to.
Patent GB-952528-A (GB)
Title: Improvements in or relating to delay lines
IPC: H03H11/18
Filed: 1961-12-01
Abstract: 952,528. Transistor circuits. COMPAGNIE GENERALE DE GEOPHYSIQUE. Dec. 1, 1961 [Dec. 12, 1960], No. 43089/61. Heading H3T. An artificial delay line comprises a number of R-C bridges producing a phase shift directly proportional to frequency, each pair of bridges being separated by means having a high input impedance. In Fig. 4 the bridges each comprise elements 1, 2, 3, 4 chosen so that the phase shift is small and thus proportional to frequency. The bridges are coupled by transistors 13, 18.
Patent GB-943162-A (GB)
Title: Steroid ethers
Inventor: ERCOLI ALBERTO
IPC: C07J75/00
Filed: 1961-12-01
Abstract: The invention comprises steroids of the general formula: <FORM:0943162/C2/1> wherein R represents a straight or branched chain, saturated or unsaturated, aliphatic, cycloaliphatic or arylaliphatic hydrocarbon radical containing 1 to 18 carbon atoms, and the preparation thereof by subjecting the 3-p-toluenesulphonate of epiandrosterone to alcoholysis with the required alcohols to form the 3 b -ethers, and by subjecting the 3-p-toluenesulphonate of dehydroepiandrosterone to alcoholysis with the required alcohols followed by catalytic hydrogenation to form the 3a -ethers.  In the former process the corresponding ether of 3-hydroxy-17-keto-D 2-androstene is also formed.  The above steroids may also be prepared by alkylating or aralkylating androsterone or epiandrosterone, e.g. by means of methyl iodide, dimethyl-sulphate or benzyl chloride. Pharmaceutical compositions having a good anticholesteremic and antilipemic activity contain as the active ingredient a steroid of the above general formula together with a non-toxic solid or liquid pharmaceutical carrier, e.g. vegetable oil. The composition may be in the form of a solution, pill, tablet or capsule for oral ingestion.
Patent GB-906075-A (GB)
Title: Plastic container and blank therefor
IPC: B65D5/30
Filed: 1959-12-21
Abstract: 906,075. Cartons. PALMER, C. E. Dec. 21, 1959 [Dec. 29, 1958], No. 43289/59. Class 18.  A blank, Fig. 1, cut from a sheet of polystyrene is folded without scoring at the fold lines, the tabs 20 engaging the slits 26 when the tabs and sides 13 are bent slightly as shown in Fig. 4. The ends 29 of the sides lie at less than 90 degrees to fold line 14 so that the ends 16, 17 can be bent up through more than 90 degrees and will spring back to lie at 90 -degrees to the base. The polystyrene may be biaxially oriented and is less than 20 mils. thickness.
Patent GB-1063218-A (GB)
Title: A resilient sheet metal clip
Inventor: CAMENISCH GIAN CARL
IPC: F16B37/02
Filed: 1965-10-13
Abstract: 1,063,218. Clips. A. V. RAYMOND. Oct. 13, 1965 [Oct. 15, 1964], No. 43425/65. Heading E2B. A resilient sheet metal clip for clamping a pipe or rod to a support is of channel form and has a pair of dimples 3 formed in each side to provide external projections to maintain the clips separate during manufacture. The clip has tongues 1a, 1b cut out centrally and bent outwardly to provide an aperture and gripping means for a pin projecting from the support. The corners 5 are bent outwardly and the end edges 4a, 4b are curved to lie parallel to the 'base of the channel.
Patent GB-940898-A (GB)
Title: A stabilizing and shock-absorbing device
IPC: B60G17/005
Filed: 1961-12-06
Abstract: 940,898. Adjusting vehicle height. M. TAMINI. Dec. 6, 1961 [Dec. 6, 1960], No. 43674/61. Heading B7D. [Also in Division F2] A stabilizing and shock-absorbing device, which can be used to adjust the height of the sprung parts of road and railway vehicles in relation to their unsprung parts, comprises a piston P which works in a cylinder C and divides the latter into two chambers Ca<SP>1</SP>, Ca which communicate with each other through a conduit T provided with a cut-off valve R. With the valve R open fluid can flow from one chamber Ca, or Ca<SP>1</SP> to the other to damp the movements of the piston P in the cylinder C due to the reaction of the associated spring suspension of the vehicle. When the valve R is closed the plunger P is immobilized so that the vehicle chassis is held stationary with respect to the unsprung part whatever the weight of the loading. A one-way valve V allows fluid to pass in one direction only return flow being restricted through a small by-pass passage controlled by a needle valve pt. Pipes Tc, Tc<SP>1</SP>, controlled respectively by valves Rcq, Rcq<SP>1</SP> and in communication with a source of fluid pressure, lead into the lower and upper chambers Ca, Ca<SP>1</SP> so that, with the valve R closed, the piston P can be stabilized at the desired height.
Patent GB-1520407-A (GB)
Title: Basket or like container
IPC: D06F95/00
Filed: 1975-10-24
Abstract: 1520407 Box with legs C EGGER 24 Oct 1975 [25 Oct 1974] 43791/75 Heading B8P A basket or like container 1 has a first pair of legs 5 pivotally secured to its base 3 adjacent one side wall and a second pair of legs 6 pivotally secured to the base adjacent a second side wall, the legs being pivotable between a first, folded, position in which they extend substantially parallel to the base, and a second unfolded position, Fig. 2, in which they project from the base, wherein springs 8 are provided to urge the legs towards the unfolded position and wherein a latch 11 is provided on one of the side walls and is arranged to retain the legs in the folded position, Fig. 3, against the action of the springs 8, the latch being outwardly movable to release the legs. As described each pair of legs forms part of a U-shaped bracket. The legs 5 are held in the folded position by plates 9 on the legs 6 which are in turn held by a plate 11b of the latch 11. To release the legs a handle 11a of the latch is pulled and the plate 11b moves outwardly as a result of interengagement of inclined surfaces on the latch and container. The latch is returned by a spring.
Patent GB-1108627-A (GB)
Title: Improvements in or relating to moulds for rotational casting
Inventor: BARNETT LOUIS HERBERT
IPC: B29C41/04
Filed: 1966-09-30
Abstract: 1,108,627. Rotational casting. VISTRON CORPORATION. 30 Sept., 1966, No. 43813/66. Heading B5A. A composite mould for use in the compound rotational casting a two-part article, e.g. a container and its lid comprises two parts 10, 12, Fig. 1, corresponding respectively to the parts of the article. One of the mould parts has an integral subsidiary portion 22, Fig. 3, e.g. a handle moulding portion, spaced away from the main portion and is separable into two sections along said integral portion. The other mould part 10 may also be separable into two sections. The part 12 may be connected by a hinge or hinges to the part 10. An annular gasket 56 is located between the shoulder and skirt 19, 20 of the mould part 12 and the flange 54 of the mould part 10. The mould cavity surfaces may be coated with a release material. The mould sections may abut along lap, tongue and groove, or butt joints and held by clasps.
Patent GB-1438026-A (GB)
Title: Apparatus for displaying materials and combinations of materials
IPC: A47F7/16
Filed: 1973-09-18
Abstract: 1438026 Displaying materials B T BOOLAND 18 Sept 1973 [19 Sept 1972 5 July 1973] 43822/73 Heading A4T Apparatus for the display of materials, such as wall-paper, curtain materials, vitrage cloth, carpets, wall-finishing materials, and the like, comprises a main rail 12, a number of spaced apart side rails 13 connected or connectable therewith, and panels 24 or other support members for the materials to be displayed each suspended from the rails for rotation about a vertical axis. The rails may be mounted directly on a wall or ceiling or be mounted on beams 14, 15, 16, Fig. 1. The side rails may be curved and each side rail has an end connectable with the main rail by a switch 25. Each panel 24 is connected by a part 23 to a roller 22 engaging a rail, the part 23 permitting the panel to be rotatable about its vertical axis so that material on both sides of the panel can be displayed. As shown, five panels are supported by a side rail and the panels can be brought on to the main rail through the switch 25 so that material on one panel can be compared with that on any of the other panels. The switch is such that a guide roller automatically actuates the switch as a panel is moved from a side rail to the main rail but the switch has to be manually operated to return the panel to a side rail. The rails are arranged such that two panels 24a, 24b, Fig. 4, can be disposed at 90 degrees to one another to simulate a corner of a room, and a further panel 31 can be hinged to the lower end of one or both of the panels to simulate a floor. Another panel may be fixed to the top of panels 24a, 24b to simulate a ceiling. The main rail may be in the form of an endless loop and the side rails be in the form of an S or U having opposite ends connected to parallel parts of the loop. In a further embodiment, the main and side rails 41, 43, Fig. 7, are of tubular crosssection joined by T-pieces 42.
Patent GB-1026455-A (GB)
Title: Improvements in or relating to methods of employing crop-working implements
IPC: A01D78/02
Filed: 1962-11-20
Abstract: 1,026,455. Hay-tedders. C. VAN DER LELY N.V. Nov. 20, 1962 [Dec. 1, 1961], No. 43945/62. Heading A1F. The machines described in this Specification are the same as those described in Specifications 1,026,453 and 1,026,454 but the claims relate to methods of employing these machines to combine two swaths into a single windrow.
Patent GB-880898-A (GB)
Title: Improvements in or relating to arrangements for injecting cooling water into steam-raising plants comprising boilers operating under forced circulation conditions
IPC: F04B43/067
Filed: 1959-12-28
Abstract: 880,898. Reciprocating pumps. SOC., D' ETUDE DE VEHICULES. Dec. 28, 1959 [Dec. 31, 1958], No. 43990/59. Class 102(1). [Also in Group XIII] In a water injection system for a forced circulation boiler 9 a piston pump 1, which supplies feed-water to the boiler through a pipe 5, a non-return valve 6, and a cooler 7 also controls, through a pipe 19, a diaphragm pump 17 which obtains condensation water from a cooler 7 and delivers short duration pulses, proportional to the feed of the piston pump, to an injector 14 located in a steam output pipe 11. During each suction stroke of the pump 1 condensate, under the influence of the steam pressure in the pipe 11 through a shunt pipe 23, passes through a pipe 18 and a suction valve 22 into the diaphragm pump 17. The piston pump 1, at the same time, sucks in feedwater from a supply pipe 2 past a suction valve 3. The diaphragm pump 17 urges a pulse of condensate towards the injector 14 at the beginning of each compression stroke of the pump 1 the pressure of which is then about twice that of the steam in the pipe 11. The pump 1 may be of the multi-cylinder type. Adjustment of the steam throughput, ensured by a feed regulator 13, can be obtained by adjusting the speed of a permanently operated pump 1 the diaphragm pump 17 being connected to one or more of the pump cylinders. Alternatively, throughout adjustment can be obtained by the operation, or stoppage, of cylinder groups if desired in combination in combination with the adjustment of the rotary speed injection serving for steam regulation only when a predetermined group of cylinders are in operation. Injection can be terminated by closing a cock 16 in the pipe 15.
Patent GB-1022538-A (GB)
Title: Improvements in or relating to portable containers
Inventor: WEATHERUP WILLIAM DAVIDSON
IPC: B65D77/06
Filed: 1962-11-21
Abstract: 1,022,538. Cartons. REED PAPER GROUP Ltd. Nov. 15, 1963 [Nov. 21, 1962], No. 44058/62. Heading B8P. A thermoplastic tube 17 sealed at both ends and with a dispensing orifice 19 is enclosed within a fibreboard cover (such as doublefaced corrugated board) having a base opposed side walls 4 and flaps 5 arranged to be folded along the other two sides of the base, the tube being secured adjacent its two ends to the side walls 4 and having ears 18 secured within triangular pockets 6, 11 extending from the base and top of the cover. The side flaps 5 are folded around the tube and the triangular pockets 6, 11 which enclose the ears 18 are folded on to the side flaps 5, the upper ones being covered by wings 13 from an upper panel 10 which may include hand-holes. A flap 14 in the upper panel 10 is adhered around the orifice 19. The erected carton may be placed in a double-faced corrugated box which may have hand-holes in its side walls and a rayon thread adhesively secured inside to provide a tear-strip. When empty the carton may be collapsed into flat formation for easy transportation.
Patent GB-1367784-A (GB)
Title: Method of and apparatus for strip flash welding
IPC: B23K11/087
Filed: 1971-09-22
Abstract: 1367784 Joining metal strip; welding by pressure; abrading BRITISH FEDERAL WELDER & MACHINE CO Ltd 19 Sept 1972 [22 Sept 1971] 44094/71 Headings B3A B3R and B3D A method of welding metal strips in a flash welder includes locating and clamping the ends of metal strips 14, 15 in a clamp position, cleaning and shearing the ends of the strips and welding the sheared strip ends in the clamp position while they are clamped on the cleaned areas. The ends of the strips are held in clamps 10-13 and they are cleaned by four sanding wheels 19, which remove unwanted surface coatings from the full width of the strips. The ends of the strips are then sheared by elements 20 moving horizontally across the strips. Main clamps 11, 12 are opened and auxiliary clamps 10, 13 move the strip ends so that they project by a selected amount beyond the main clamps. These are then closed and the ends of the strips are brought into abutment to commence flash welding. A self-contained cleaning unit may be used in conjunction with a conventional flash welder, in which case the strip ends are cleaned after they have been aligned by means of a gauging bar. The cleaning unit is withdrawn prior to advancing the strip ends into abutment for welding. Cleaning may be performed by laminated sanding wheels, solid or flexible grinding wheels, sanding discs or sanding belts, or by sand or shot blasting. Cleaning may be restricted to either the upper or lower surfaces of the strip ends and when sand or shot blasting nozzles are fitted, they are mounted in pairs, i.e. one nozzle for each strip, to remove the surface coatings from the upper and/or lower strip surfaces.
Patent GB-1320436-A (GB)
Title: Shelf supporting bracket
IPC: A47B57/42
Filed: 1971-09-22
Abstract: 1320436 Shelf supports ELECTROLUX AB 22 Sept 1971 [ 23 Sept 1970] 44176/71 Heading A4B A shelf bracket 10 comprises a plate 14 with an upper portion 15 bent to one side to receive an edge flange 13 of a shelf 11 and with three hooks 17,19, 22 bent out on the opposite side, the upper and lower hooks 17, 22 being vertically aligned and the intermediate hook 19 being laterally offset therefrom. In use the hooks 17,19,22 engage slots 24 in a supporting upright 12. The bracket is formed with slots 18, 20 and a recess 23, the arrangement of hooks, slots and recess being such that similar brackets may be engaged simultaneously on both sides of the upright 12 with their corresponding hooks engaging the same three slots 24.
Patent GB-1286953-A (GB)
Title: Improvements in or relating to chains
Inventor: PROCTOR SIDNEY ERNEST
IPC: F16G13/12
Filed: 1968-09-17
Abstract: 1286953 Mineral mining machines AUSTIN HOY & CO Ltd 22 Sept 1969 [17 Sept 1968] 44224/68 Heading E1F [Also in Division F2] A coal cutter or conveyer chain adapted to run in a guide track 11 comprises sections 1 pivoted together and each having at least one link 3, and bearing members 2 adapted to be guided in the guide track 11 and secured to alternate sections 1 to maintain the links 3 out of contact with the guide track. The chain comprises alternate single and twin links 3 pivoted together by pins 5 retained by dowel pins 6 or other means. The bearing members 2 are bolted to the sections 1 comprising two links 3, and carry flanges 2a, 2b on which cutter pick holders 10 with picks 13 are mounted. The sides of the bearing members 2 face wear strips 12 in the track 11. The links may carry rollers (14) (Figs. 3-5, not shown) which bear on the guide track 11. A split tooth driving sprocket (not shown) engages the link knuckles 4. (For Figures see next page)
Patent GB-1271815-A (GB)
Title: Improvements in or relating to methods of making semiconductor devices
IPC: H01L21/322
Filed: 1969-09-08
Abstract: 1,271,815. Semi-conductor devices. INTERNATIONAL BUSINESS MACHINES CORP. 8 Sept., 1969 [9 Sept., 1968], No. 44314/69. Heading H1K. In the manufacture of a semi-conductor device a diffusion mask is removed from the surface of the semi-conductor body after a diffusion step and a surface layer of the body then removed before the growth of an epitaxial layer. Removal of the surface layer is necessary since the high temperatures used in the diffusion process give rise to a high dislocation density which makes the surface unsuitable as a substrate for good epitaxial growth. In the manufacture of silicon devices, silicon dioxide may be used as the diffusion mask. This is removed by a selective etch and semi-conductor material then removed by oxidation of the surface and further selective etching. With germanium and gallium arsenide, which are not easily oxidizable, direct removal of semi-conductor is effected by chemical or electrolytic etching. A process is described in which a silicon dioxide mask is formed on a psilicon substrate by a process involving dry oxidation, " wet " oxidation, and then dry oxidation, the oxide layer being apertured in the usual way. The exposed semiconductor is then slightly recessed, by etching, to provide a visual mark for orientating further masks in later processing and an n<SP>+</SP> zone formed by arsenic diffusion from silicon-arsenic powder. The silicon dioxide is etched off, the surface re-oxidized, and the new oxide also etched off. An n type layer is then grown epitaxially over the whole surface and the structure subjected to further diffusions to make a transistor.