baber/WOPTO huggingface dataset:
Patent GB-281470-A (GB)
Title: Improvements in and connected with scale mechanism for automatic feeding machines for feeding fibrous materials to carding engines and such like
IPC: D01G23/04
Filed: 1926-11-25
Abstract: 281,470. Platt Bros. & Co., Ltd., Reed, J., and Booth, F. Nov. 25, 1926. Feeding openers, carding-engines, &c.-In a hopper feeding-machine the automatic weighing- mechanism comprises means whereby, for yarns produced on the condenser system, the scale pan may be arranged to open only when it contains a definite weight of fibre, or alternatively, for preparing worsted &c., it may be arranged to open at each cycle of the operative cam, irrespective of the weight of fibre it contains. The scale pan comprises end plates a, Fig. 1, and hinged curved plates a', pivoted at a<2> and held closed by levers a<3> connected by a spring a<6>. The levers a<3> are slotted and connected by a pin a<4>. The pan is carried by knife edges b<1> from a lever b. When the pan is filled and descends a pin b<6> on the lever b descends on to the end c<3> of the lever c<2>. A projection h<4> on a pulley h<3> catches the pin b<6>, depresses the lever c<2>, raising a sliding catch c' from the stop-rod d and stops the lifting-lattice in the hopper. An incline c<5> on the lever c<2> engages a bowl e<3> on the end of a weighted lever e<1>, e<2> and moves the lever to bring a bowl e<4> on it into the path of a cam projection f<1> on the rotating operative, cam f. This projection f<1> moves the lever e<1>, e<2> and brings the end e<1> down on to the pin a<4>, thus opening the scale pan and depositing the fibre on the feed lattice. A second cam projection f<2> then comes round and engages the bell..crank lever h on which the pulley h<3> is mounted, moving the pulley and projection h<4> to release the pin b<6> and allow the scale pan to rise again. The pulley h<3> is driven by a cord h<5> passing over pulleys h<6> on a spring-controlled lever h<7>, which maintains the pulley h<3> in its normal position, and allows the cord h<5> to slip whilst the projection h<4> holds the scale pan down. A third cam projection f<3> then comes into operation to move the stop-rod d back to restart the lifting lattice. If the pan is not full when the cam f<1> comes into its operative position, as the lever b<1> has not moved, the cam misses the bowl e<4> and the scale pan is not opened. A pin i is provided in the supporting-bracket b<3> and can be screwed out to free the lever arm e<2>, which is then in such a position that the bowl e<4> is always in the path of the cam f<1> and is operated at each rotation of the cam-plate f, irrespective of the weight of fibre in the scale pan. Specifications 181,960, 182,303, 183,021, and 183,324 are referred to.
Patent GB-882523-A (GB)
Title: Parallel vise
IPC: B25B1/24
Filed: 1958-09-19
Abstract: 882,523. Vices. ZYSSET, K. Sept. 19, 1958 [Oct. 1, 1957], No. 30000/58. Class 61. [Also in Group XXV] A clamp or vice has vice members 1 and 2 relatively movable towards and away from each other along guide rod means and a pair of clamping devices 16 for releasably fastening the guide-rod means to a support; the clamping devices 16 having pairs of clamping faces 16a, 17a adapted to engage the guide-rod means at any desired position therealong. On the same pivot 15 as the faces 16a and 17a are arms 16b and 17b which co-operate with a clampscrew 20 to hold the assembly to a workbench. The vice-members 1 and 2 have clamping jaws 1a,-2a, 1b,-2b and 1e; the jaws 1a and 2a having lead or plastic facings 14 held in recesses 12. A collar 5, pinned to the shaft of a lead-screw 3 is free to rotate, but not to move otherwise, in a recess 2d of jaw 2 and a lead nut 4 on the lead screw is fixed in a similar recess 1d in jaw 1. The jaw 1 is free to slide along the smooth guide-rods 7 and 8 parallel to and on either side of the lead-screw 3. The jaw 2 is fixed to the rods 7 and 5 by set screws (Fig. 2 not shown) and the ends of the rods and of the lead-screw 3 project freely through the recesses 18 and 19 wherein they are housed in the clamps 16. The lead screw is turned by a handle 10 mounted for slidable engagement with a hexagonal nut 27 fixed on the lead-screw shaft.
Patent GB-386737-A (GB)
Title: Improvements in or relating to projection screens for displaying optically-projectedimages
IPC: G03B21/58
Filed: 1931-10-30
Abstract: 386,737. Non-metallic springs. DEWEY, H., 89, Tetley Road, Hall Green, Birmingham. Oct. 30, 1931, No. 30074. [Class 108 (iii).] Tensioning means for projection screens comprises non-metallic elastic members having hooks or like means for attaching them to the screen and to the screen support. They may consist of endless rubber bands of round, square, or other section, provided with one or more wire hooks, or of lengths of rubber cord having hooks at each end. Fig. 4 shows a hook 14 having a head 16 inserted in a rubber cord 13 and secured by binding wire 17. In a modification, Fig. 5, a hook 18 is held by a loop or tongue 22 formed in a cap 19 which is pressed inwards as at 21 to engage the rubber cord 20. In a further modification, the hook is attached to the cap by means of a partly spherical head held in a cup of similar form provided in the cap. The rubber cord may be of round, square, or other section, and may be strengthened with fabric &c, Specifications 205,255 and 332,882, [both in Class 97 (i), Optical systems &c.], are referred to.
Patent GB-1055265-A (GB)
Title: Improvements in the construction of one or more storey buildings
IPC: E04B1/14
Filed: 1962-08-07
Abstract: 1,055,265. Moulded plastic buildings. J. W. DAVIDSON and C. R. BROOKS and GREATER LONDON COUNCIL. Aug. 7, 1963 [Aug. 7, 1962], No. 30264/62. Heading' E1A. A building unit consists of a number of reinforced plastic panels 3, 6, 7, 8, Fig. 1, provided with interlocking means 1 and sealing means at their contacting edges. Each panel, Fig. 4, may consist of polyurethane form 22 which is reinforced by polyvinyl-chloride tubes 1 and coverings of fibre-glass 26, neoprene 23 and an insulating layer 25 arranged as shown. One unit may define a bathroom and kitchen with the bath, W.C. and hand basin moulded integral therewith, see Fig. 3 (not shown). Two units may be utilized to define a double bedroom with integrally moulded wardrobes. The floor may be made from rigid plastic sheet perforated to receive electric underflow heating means, see Fig. 2 (not shown). The unit may constitute a "Motel", bus shelter or holiday chalet.
Patent GB-270176-A (GB)
Title: Improvements in or relating to spring mattresses or like spring seating surfaces
IPC: A47C27/06
Filed: 1926-11-29
Abstract: 270,176. Jessup, J. G., and Nesta, Ltd. Nov. 29, 1926. Spring surfaces. - An assemblage of vertical upholstery springs 1 fastened in direct contact with each other have some or all of the top edges reinforced by means, such as a flat flexible strip 2, spaced inwardly from the extreme edge of the springs. The strip may be passed under and over the top coils of the springs or may be secured to a fabric cover 4 by means of a strip of fabric 5 sewn thereto.
Patent GB-207363-A (GB)
Title: Improvements in or relating to electric switches
IPC: H01H21/18
Filed: 1922-11-07
Abstract: 207,363. Preston, W. Nov. 7, 1922. Contacts.-In knife-blade switches the movable contact blades b are attached to a transverse carrier or actuating member by being twisted at one or more points b<1> so that one portion b forms the contact blade and the other portion forms a fastening member. The operating spindle a is of square section and is surrounded by insulating material a<1>, the fastening portion of the contact blade being bent at b<2> and b<3> to embrace two sides of the spindle. The blade b co-operates with a clip c having a bent-over portion c<2> with a longrtudinal slot c<3> through which the blade b is threaded, the clip being bent at c so that portions c, c<1> embrace the other two sides of the spindle a. The blade and fastenclip c are held in position on the spindle a by screws e, f and channel-shaped nuts d, d', extensions c<4>, b<4> of the clip and blade being provided to accommodate the screw f. Lock nuts e<1>, f<1>, are also provided. In order to allow the blade b to be slightly inclined relative to the sides of the spindle a the clip c may be slightly bent at c<5> the angle b<2> in the blade being correspondingly modified.
Patent GB-914327-A (GB)
Title: Improvements in or relating to independent wheel suspension systems for vehicles
Inventor: WATTS LAURENCE DEREK
IPC: B60G17/033
Filed: 1958-09-23
Abstract: 914,327. Pneumatic spring suspensions. SCAMMELL LORRIES Ltd. Sept. 22, 1959 [Sept. 23, 1958], No. 30438/58. Class 108(2). A tandem wheel unit suspension for vehicles is such that each wheel unit of a tandem pair 2, 3 is mounted on independent axles 4, 5 respectively, and can move independently in a vertical plane, Each wheel unit has an individual pneumatic cushion unit 14, 15, the upper end of which communicates with a rigid air reservoir 17, 17 fixed to the frame 1. The reservoirs 17, 17 are connected by a pipe 20. The lower ends of the reservoirs 17, 17 carry resilient bumper stops 18. The axles 4, 5 are mounted at the apex ends of wishbone type lever arms 6, 7 respectively, which extend rearwardly from mounting brackets 8, 9. The axle ends of the lever arms 6, 7 are connected by a balance member 12 which is substantially horizontal under static load conditions. Rebound is checked by rod 21 passing through an aperture in the balance beam 12, and carrying at its lower end a stack of resilient buffers 22. The balance beam 12 also cooperates with a telescopic shock absorber 26. The beam 12 further co-operates with a levelling valve 23 mounted on the frame 1. The operating arm 24 of the valve is connected to the beam 12 by a link 25. The valve 23 has a delayed action. An identical arrangement holds for the other tandem pair. Specification 820,369 is referred to.
Patent GB-783582-A (GB)
Title: Improvements in preparation of formamides
IPC: C07C233/18
Filed: 1955-10-25
Abstract: Formamides are prepared by reacting a nontertiary amine with carbon monoxide under a pressure of from 500 to 5000 lbs. per square inch and in the presence of an alkanol having from 1 to 4 carbon atoms and a catalyst having the formula <FORM:0783582/IV (a)/1> in which R is hydrogen, or a methyl, ethyl, propyl or butyl group and R1 is a methyl or hydroxy ethyl group.  The reaction may be carried out at a temperature of between 0 DEG  and 75 DEG  C., preferably between 25 DEG  and 50 DEG  C.  Specified catalysts are choline, choline methoxide, choline ethoxide, choline propoxide, choline butoxide, tetramethylammonium hydroxide and (C1-C4) alkoxides thereof.  The amine reactant may be a primary alkylamine having a (C1-C8) alkyl group, a primary alkenylamine having a (C3-C18) alkenyl group, a (C7-C10) primary arylalkylamine, a primary alkanolamine having a (C2-C18) alkanol group, a secondary dialkylamine having (C1-C2) alkyl groups, a (C14-C20) secondary diarylalkylamine, a (C8-C9) secondary arylalkylalkanolamine, a (C3-C4) secondary alkylalkanolamine, a secondary heterocyclic amine having a heterocyclic group of five to six members including the amino nitrogen, a primary or secondary alkylenediamine having a (C2-C18) alkylene group, or a secondary dialkyldiamine having a (C1-C2) alkyl group on each of the nitrogen atoms and a (C2-C12) alkylene group connecting the nitrogen atoms.  A list of suitable amine reactants is specified, methylamine, dimethylamine, allylamine, benzylamine and piperidine being preferred.  The examples describe the preparation of N-formylpiperidine, N-formylmorpholine, N-formylethylenediamine, N : N1 - diformylethylenediamine, N : N1 - diformyldiamino-octadecane, N : N1-diformylhexamethylenediamine, N - formyl - N : N1 - dimethyldiaminoethane, N : N1 - diformyl - N : N1 - dimethyldiaminoethane, N-methyl-, N-ethyl-, N-butyl-, N-octadecyl-, N-allyl-, N-octenyl-, N-octadecenyl-, N-cyclohexyl-, N-cycloheptenyl-, N-benzyl-, N-phenylbutyl-, N-hydroxyethyl-, N-hydroxydecyl-, N-hydroxyoctadecyl-, N : N-dimethyl-, N : N-diethyl-, N : N-dibenzyl-, N : N-di-(butylbenzyl)-, N - methyl - N - hydroxyethyl- and N-benzyl-N-hydroxyethyl-formamides.
Patent GB-1389905-A (GB)
Title: Production of high purity fission product molybdenum-99
IPC: G21G1/08
Filed: 1972-06-29
Abstract: 1389905 Separating radio-isotopes UNION CARBIDE CORP 29 June 1972 [30 June 1971] 30507/72 Heading G6R Radioactive molybdenum-99 is prepared by irradiating a uranium material to produce nuclear fission therein, dissolving in aqueous inorganic acid, contacting the solution with alpha-benzoin oxime to precipitate Mo-99, dissolving the separated precipitate in aqueous alkali solution, contacting the solution with silver coated charcoal, an inorganic ion adsorbent, and/or activated carbon in order to remove impurities, and then recovering the Mo-99. The inorganic acid used may be sulphuric acid mixed with nitric acid or hydrogen peroxide. Before precipitation of the Mo, sodium sulphite may be added as a reducing agent, and a ruthenium salt or an iodide to reduce the impurity level. For further purification the alkaline solution is acidified and the Mo again precipitated. Suitable ion adsorbents are silica gel, ZrO 2 , Al 2 O 3 , TiO 2 , iron oxide, aluminium phosphate and aluminium silicates. In an example the fissile material is coated on to the inside surface of a hollow stainless steel cylindrical container and after irradiation this container is used for part of the separation process. The separated Mo-99 is supported on alumina, the daughter product technetium- 99m being eluted for use in medical diagnosis.
Patent GB-979609-A (GB)
Title: Valve construction
IPC: F23Q2/52
Filed: 1963-08-01
Abstract: 979,609. Cigarette lighters. YOSHINAGA PRINCE KABUSHIKI KAISHA. Aug. 1, 1963 [Jan. 16, 1963; Jan. 21, 1963; Jan. 31, 1963], No. 30536/63. Heading F4F. A valve for refuelling the reservoir of a cigarette lighter with liquefied gas from a filling container 25 comprises a spring-urged plunger 12 carrying a guide block 22 having a rubber washer 23 adapted to co-operate with a valve seat 24, and a porous lining 26 which during refuelling allows residual gas or air to discharge from the reservoir by way of passages 29, 31, but not liquefied gas. The porous lining 26 is disposed on a shoulder 27 at the bottom of a recess 13 and is made of sintered metal, non- woven fabric, or coated synthetic resin. When the plunger 12 is despressed by the filling container 25 to open the valve, a flange 18 on the plunger abuts the porous lining 26, and a hollow needle 19 which is fixed to the plunger 12, pierces a closing plug 28 of the filling container 25. The passage 29 for residual gas or air, and liquefied gas, is provided between the guide block 22 and a lower part 11<SP>1</SP> of the valve body. In a modification, Fig. 3 (not shown), the spring acting on the plunger is disposed between the guide block and the bottom of the valve body. In a further embodiment, Fig. 4 (not shown), the lower part 11<SP>1</SP> of the valve body is a cylinder of sintered metal divided into a gas-passing section and a section made airtight by treatment with vinyl chloride or polyethylene. In another embodiment, Fig. 6 (not shown), a cylinder of sintered metal is mounted in a spring seat, the cylinder being partially surrounded by an airtight wall.
Patent GB-1303398-A (GB)
IPC: A41F1/00
Filed: 1971-06-30
Abstract: 1303398 Adjustable fastener PANTOTEX AG 30 June 1971 [16 July 1970] 30577/71 Heading E2S A fastener, for adjustably securing two articles, e.g. a garment waistband, together, comprises an indented track (8) Fig. 2 (not shown) attached to one article, and a slide member Fig. 1, with pivotable clamping lever 7, attached by pronged members 4, 4', 5, 5' to the other article. Longitudinal flanges 1, 1', 2, 2' 3 and 3' on the sheet metal slide member allow it to slide on the track, which is preferably of plastics. The clamping lever 7 may, in the clamping position, overlie the prongs.
Patent GB-1281675-A (GB)
Title: Process for preparing sintered bodies of cobalt and tungsten carbide
IPC: C22C1/05
Filed: 1970-06-24
Abstract: 1281675 Sintering cemented carbide E I DU PONT DE NEMOURS & CO 24 June 1970 [31 July 1969] 30720/70 Heading C7D Green compacts of 97-75% WC with 3-25% CO and a green density > 30% theoretical are vacuum presintered to between 1100C and the eutectic temperature at a heating rate not more than 10C/minute. They are the vacuum sintered at temperature T  s  for not more than 10 minutes and raised to Ts at a rate R s  = (1.25M + 45) 10 C. per minute; where T s  = The sintered body is cooled from T s  to 800 C. in an oxygen free atmosphere in 4-30 minutes. The WC and CO have particle sizes 0.1-2 microns and 0.1-5 microns respectively. The powder mixture has a specific surface area of 1-7 sq. m/gm. and an oxygen content <1% net. The powders after conventional wet ball milking and drying are compacted at 1, 000-100, 000 p. s. i. either hydraulically or isistatically.
Patent GB-942119-A (GB)
Title: Improvements in or relating to vertical, continuous casting machines
Inventor: RUCKSTUHL FRANZ
IPC: B22D11/041
Filed: 1962-08-10
Abstract: 942,119. Continuous casting-machines. E. A. OLSSON. Aug. 10, 1962, No. 30747/62. Heading B3F. In a continuous casting machine having one or more moulds arranged to be fed each with a metal stream from a casting ladle or the like, each mould is individually movable to centre in the mould the metal stream. The mould 8 is movable, together with the vertical reciprocating units 11, and cooling device 26, along a spherical surface 25.
Patent GB-979937-A (GB)
Title: Nuclear reactor
IPC: G21C7/02
Filed: 1962-08-13
Abstract: 979, 937. Controlling nuclear reactors. NUCLEAR MATERIALS & EQUIPMENT CORPORATION. Aug. 13,1962 [Sept. 5,1961], No. 30890/62. Heading G6C. A nuclear reactor fueled with Pu alone, or together with other fissile and/or fertile material, said Pu containing the Pu-240 isotope, is characterised by that the amount of said Pu 240 in the fuel, and/or the moderation of the reactor, is such that the effective neutron cross-section of the Pu- 240 degreases substantially as the time of operation of the reactor increases; said decrease being sufficient to substantially compensate for the loss of reactivity associated with fission product build up during operation. The reactor is therefore operated in that range in which the initial reactivity of the reactor increases as the Pu content decreases, (i.e. is burnt out). Fig. 1 shows a reactor core R comprising a sealed chamber 21 divided into three zones 23, 25 and 27 by the tubular walls 31 and 33. Wall 31 has openings 35 at the bottom and wall 33 has openings 37 at the top. Container 21 is provided with fluid exit tubes 39. Cooling fluid enters into the tube 31 takes the path shown by the arrows and emerges from tubes 39 to pass to a heat exchanger (not shown). Each zone contains fuel elements 41 which in accordance with this invention contain Pu e.g. 78% Pu 239, 12% Pu 240, and 10% Pu 241, and may contain U-238, Th-232, U-235 or U233. The coolant may be water at high temperature (600‹F.) and high pressure (2000 lbs/sq. inch), which water, above or together with heavy water may serve as a moderator. Other possible coolants are liquid metals, e.q. liquid sodium, and graphite and beryllium may be used as the moderator. The main coolant then flows through tubes containing the fuel, and a separate coolant may be provided to cool the moderator. To conserve neutrons in such a reactor then (a) the initial plutonium enrichment of each zone increases from the centre to the periphery of the core, (b) the initial plutonium enrichment is substantially constant throughout the core, but the amount of moderator per unit core volume decreases from the centre to the periphery of the core, or (c) the moderator coolant, which may be the moderator itself, passes successively from zone to zone entering the reactor at the innermost and leaving at the outermost zone. If the purpose is to minimise the decrease of power output from the centre to the periphery of the core then the converse of the above procedures (a), (b), and (c) should be applied. Further improvement in performance, e.g. the minimizing of reactivity variation during operation, may be achieved by varying the neutron temperature (average speed of the neutrons) in the reactor by external means as a function of time during operation of the reactor. The possible said external means include (a) controlling the moderator and/or the coolant temperature; (b) adjusting the moderator properties by intermixing moderators; or (c) adjusting moderator density. Calculations indicate that these reactors will have negative temperature coefficients of reactivity.
Patent GB-1002313-A (GB)
Title: Door actuating mechanism
Inventor: PHILLIPS JOHN
IPC: E05F15/04
Filed: 1962-08-13
Abstract: 1,002,313. Door actuating mechanism. ELECTRO-HYDRAULICS Ltd. Aug. 8, 1963 [Aug. 13, 1962], No. 30951/62. Heading E2M. An hydraulically operated door actuating mechanism having power means for opening a door, means for returning the door to the closed position and means for permitting the door to be manually opened in a direction the same as or contrary to that in which the door is opened by the power means, comprises a box 1 within which is mounted a spigot 3 on which rotates a door driving peg 5 having a cam 10 and a pinion 9, the teeth of which mesh with those on a quadrant 12 forming part of a lever 11 which is rotatably mounted on a spigot 13. The arms of the lever are pivotally and adjustably connected by rods 16, 31 to a piston 18 within a cylinder 19 and a plunger 32 which moves against a spring 35 in a cylinder 33, the cylinders are machined in box 1 and closed by plugs 20, 34. The interior of cylinder 33 is connected by a hole 33a, almost at the end of the traverse of plunger 32, to the interior of box 1. A cam follower 43 mounted on an arm 41, which is pivotally connected to box 1 at 42 engages the cam 10. The other end of arm 41 is connected to a rod 45 which bears on a plunger 46 which moves against a spring 49 in a cylinder 47 machined in box 1 and closed by a plug 48. The cam is shaped so that the follower 43 always tends to maintain or return the door to the closed position. Fluid from a pump (not shown) is supplied, to open the door in respense to an electric signal, to cylinder 19 through an inlet port 28 in plug 20 via passages 21, 23 containing a needle valve 25 and a non return valve respectively and passage 22 into which a plunger 24 on piston 18 enters. Port 56 in plug 34 connected to cylinder 33 by passages 37, 38 containing a needle valve 40 and a non return valve 39 respectively is connected to the suction side of the pump or to a reservoir. The door is closed by springs 35, 49 when the liquid pressure is removed. Damping is provided by the needle valves which by restricting the liquid flow control the movement of the piston and plunger in the initial and final stages of both opening and closing the door. In manual operation in the normal direction the piston and plungers move in the same manner whilst when opening in the opposite direction, after an initial movement, the pinion 9 and quadrant 12 are disengaged as the teeth on the pinion cease.
Patent GB-302680-A (GB)
Title: An improved combination garment
IPC: A41B9/08
Filed: 1928-10-26
Abstract: 302,680. Lubowski, (nÚe Becker), E. M. C. Dec. 20, 1927, [Convention date]. Shirts; knickers; combination undergarments. -A combination garment comprising a bodice, skirt, and knickers has at the rear a drop flap which is common to the knickers and the shirt. As shown in the closed position in Fig. 3, and in the open position in Fig. 2, the garment has a detachable part f in the waistband e, this part serving to couple together a flap formed by slitting the rear of the knickers at c and the skirt at d. The bodice part may have an extension b depending into the knicker portion.