baber/WOPTO huggingface dataset:
Patent GB-709337-A (GB)
Title: Manufacture of nitriles
Inventor: BELLRINGER FREDERICK JAMES
Filed: 1950-12-30
Abstract: Unsaturated nitriles are made by reacting a b -unsaturated aliphatic aldehydes or compounds yielding such aldehydes under the reaction conditions at elevated temperatures in presence of an oxidation catalyst with ammonia and molecular oxygen.  Aldehydes specified are acrolein, methacrolein, crotonaldehyde, a -ethyl-b -propyl-acrolein, and substances specified which yield such aldehydes under the reaction conditions, e.g. by oxidation, dehydration, or dealcoholization are allyl alcohol, a -methyl allyl alcohol, b -alkoxy-propionaldehyde, diallyl ether, acrolein acetal, trialkoxy propane, b -alkoxy isobutyraldehyde.  Catalysts may be selected from the following metals, their oxides or compounds:-copper, chromium, vanadium, manganese, iron, cobalt, nickel, molybdenum, silver, zinc, cadmium, tin, tungsten, rhenium, lead, platinum, gold, aluminium, palladium, rhodium, bismuth, and uranium.  Two or more catalyst-beds of different activity may be used, the catalysts may be supported on, e.g. silica gel, silicates, fuller's earth, pumice, kieselguhr, clays, mica, zeolites, porcelain, alumina, bauxite, thoria, beryllia, magnesia, magnesite, cerium oxide, titanium oxide, silicon carbide, zirconia, asbestos, and graphite, or on metals in various forms.  The carrier may be heattreated before or after addition of the catalytic agent, and the catalyst may be activated by pretreatment with ammonia and oxygen.  Diluents specified are nitrogen, carbon dioxide, and steam.  Reaction temperatures may range from 250-600 DEG  C., with contact times of 0.1-20 seconds, and part of the gaseous product may be recycled, if desired after removing nitrile.  In examples, acrolein, methacrolein, allyl alcohol, and b -methoxypropionaldehyde are each mixed with air and ammonia, and in some cases with nitrogen or steam and passed over catalysts of the type described above (see Group III).ALSO:In the manufacture of unsaturated nitriles from a b - unsaturated aldehydes or compounds yielding such aldehydes under the reaction conditions by reaction at elevated temperatures with ammonia and oxygen (see Group IV (b)), the following catalysts are employed:-(1) activated alumina impregnated with ferric molybdate; (2) silica gel impregnated successively with ammonium molybdate solution and ferric nitrate solution; (3) activated alumina or silica gel which have each been impregnated with water containing ammonium molybdate and phosphoric acid; (4) a mixture of copper silicate and silica gel; (5) silica gel impregnated with lead nitrate solution.
Patent GB-1392964-A (GB)
Title: Survival equipment including an inflatable life raft
IPC: B63C9/06
Filed: 1972-07-06
Abstract: 1392964 Marine lifesaving; inflatable craft BENDIX CORP 6 July 1972 [26 July 1971] 31798/72 Headings B7A and B7U Marine survival equipment comprises an inflatable life raft 76, stowable into a container 42 which is adapted to be attached to a parachute-wearing aircraft crew member (Fig. 1), and a source of pressurized gas with a controllable valve for inflating the life raft. The life raft 76, which is inflated after bale-out so as to partially enclose the crew member before contact with the water, comprises a flotation tube 154, which provides a framework for a floor panel 164, and a cabin tube 172 connected to either side of tube 154 and defining an arch-like structure movable from aft (Fig. 10) to fore (Fig. 4) in response to the pressurization of the tube 154. The flotation tube 154 and cabin tube 172 are inflated in predetermined sequence during descent. The floor panel 164 may be double walled and inflatable and the cabin tube 172 may support a roof panel 174. Window screens 177, 178, a water scoop 190 for ballasting and sea anchors 196 may also be provided. Container 42 comprises a lid 46, which houses the life raft 76 (and forms an integral part of its floor) and the source of pressurized gas, and a base 44 which may house survival supplies and is connected by a cable 72 to the inflation valve. After ejection, the crew member or an automatic mechanism separates the lid 46 from the base 44 (Fig. 1). Base 44 falls away and pulls on cable 72 (Fig. 3) which operates the valve releasing pressurized gas into the life raft to inflate first the flotation tube and then the arch 172. A handle 54 is provided to release the container 42 from the crew member before ejection if the survival equipment is not required.
Patent GB-292844-A (GB)
Title: Improvements in or relating to vehicle wheels
IPC: B60B11/06
Filed: 1927-11-25
Abstract: 292,844. White, A. E., (Budd Wheel Co.). Nov. 25, 1927. Disc wheels. - A vehicle wheel of the kind having two tyre rims has each tyre secured to laterallyspaced parts of one disc 2. The rimsecuring parts 6 are secured by means of studs and spherically faced nuts 8 to the same side of the disc and are hollowed out and shouldered at 9, 10 where they engage the faces of the corrugations &c. The brake drum 12 may be secured to an inner part of the corrugations or to a flat part of the disc if the corrugations do not extend to the hub. The edges of the corrugations may be inclined or parallel to imitate spokes.
Patent GB-952473-A (GB)
Title: Apparatus for applying labels to containers and the like
IPC: B65C9/18
Filed: 1960-09-15
Abstract: 952,473. Labelling machines. W. PECHMANN. Sept. 15, 1960 [Sept. 19, 1959], No. 31849/60. Heading B8F. Label strip 2 formed with transverse perforations separating individual label areas is fed from a supply roll 1 by a feed drum 3 formed with pins 6 engaging the perforations between suction rollers 8, 9 which are rotated at a higher speed than that of the drum 3. A movable cutter 15 guided in a radial recess 15<SP>1</SP> in the roller 8 co-operates with a recess 16 in the roller 9 to sever the individual labels which then pass to a suction drum 18 for application to containers as shown. A gumming device or, as shown, a stream of hot air 20 is provided for rendering the labels adhesive and the labels are printed by means of a stamping mechanism 22 on a roller 23. A label gripping device may also be provided on the roller 9.
Patent GB-1207253-A (GB)
Title: A device for the precision bonding of circuits by thermocompression method
Inventor: SOIN VALERY IVANOVICH
IPC: H05K13/00
Filed: 1968-07-04
Abstract: 1,207,253. Template followers. V. I. SOIN. S.N. SHALNOV, I.S. KOROVIN, I. A. DRIVEN,  Z.M. SLAVINSKY, N. G. DROBININA and S.A. FILATOV. July 4, 1968, No. 31890/68. Heading G3N. [Also in Division H4]  The invention relates to an automatic system for the precision bonding of solid state circuits by a thermocompression method.  The solid state circuit blank 11 to be bonded is carried on a heater device 12 which is rigidly mounted on a table 13 which also carries a holder 1 supporting a photographic mask 2 the image areas on which define the contact areas to be produced on the blank 11. A programming unit, (23) Fig. 2, (not shown), is arranged through induction transducers 17, 18 and motors 24, 25 to cause movement along X and Y axes of the table 13 to bring points to be bonded in the general area of bonding tool 14 which is automatically lowered at predetermined times by the programming unit. In order to arrange that the table is exactly positioned to produce bonding of spots accurately, a photoelectric follow-up system is also provided. This comprises a light source 5, the light from which is modulated by rotating slotted discs 3, 4 and directed by a reflecting prism to the photographic mask 2. Light transmitted by the mask passes through a microscopic optical system 8, 10 to an array of two pairs of photo-diodes in unit 9, detailed in Fig. 3 (not shown). Out of balance signals from the detector pairs, cause operation of further X and Y motors 28, 29 for final accurate positioning of the table 13 so that a point on the mask 2 is accurately aligned with the optical system of the microscope 8, 10. This also arranges that the spot to be bonded on blank 11 is accurately located beneath tool 14. A microscope 16 is also provided for visual viewing of blank 11,
Patent GB-409778-A (GB)
Title: Improvements in or relating to packings for preventing fluid leakage between stationary and rotating members
IPC: F16J15/34
Filed: 1932-11-11
Abstract: 409,778. Stuffing - box substitutes. KERMODE, W. M., Soho Works, Allerton Road, Bradford, Yorkshire. Nov. 11, 1932, No. 31893. [Class 122 (v).] In a rubbing collar packing, a member 9, having radial and partly spherical packing surfaces 7, 14 respectively engaging rotary and stationary members 6, 16, is cooled by circulation of water through passages 10 therein. The member 6 is formed as a stuffing-box pressed axially by springs 10 abutting against a collar 1 clamped to the shaft 3. Additional packing-rings 19, 20 enclosed in casings 17 and pressed axially by springs 23 may be provided.
Patent GB-1329772-A (GB)
Title: Clarifying filter press
IPC: B01D25/12
Filed: 1971-07-07
Abstract: 1329772 Filter press with movable filter bands ISHIGAKI KIKO KK [trading as ISHIGAKI KIKO CO Ltd] 7 July 1971 [11 July 1970 13 March 1971] 31971/71 Heading BID A filter press for filtering low solids content water for mains supply &c. comprises an array of alternate frames 3 and plates 4 linked by means 8, 9 whcih limit their separation between filtering cycles, each plate 4 being surrounded by at least two endless bands of filter media 20, 21, which filter in series, outer band 21 being of coarser porosity than inner band 20, the bands being drivably supported by rollers 24..28 and extending across drainage surfaces 17 of their respective plates in contact but separating below the plates where washing nozzles 40..42 are provided. The edges of the bands 20, 21 have hooked thereto driving bands of metal, cloth or plastics (Figs. 5, 6 not shown), provided with holes to engage end sprockets on some of the rollers. The upper rollers 24 and their sprockets are geared to respective bevel gears, axially slidable along but rotating with a common shaft 48 to move all the filter bands past their washing nozzles, following separation of the frames and plates after a filtering cycle. The frames 3 have gaskets (49, 50) around their central areas and liquid supply and filtrate discharge passages 15, 19, which provides gaps to accommodate the driving bands when the press is closed. In Fig. 3 belts 20, 21 differ in length so they do not return to their original relative positions after washing, but in Figs. 7 to 12 (not shown) the belts are equal in length. Fig. 9 illustrates means for independently tensioning the belts and for tensioning both at once, the two belts shown being attached to axially spaced endless chains for driving (Fig. 12).
Patent GB-1418946-A (GB)
Title: Method of forming a groove in a metal body patient restraining apparatus for use with a patient support  member
IPC: C25F3/02
Filed: 1973-07-05
Abstract: 1418946 Electrolytic etching grooves DORNIER SYSTEMS GmbH 5 July 1973 [11 Aug 1972] 32128/73 Heading C7B [Also in Division B6] A rectangular section groove is formed in a metallic body (e.g. a ball bearing) by providing on the surface of the body a photo-resist mask defining the groove, etching the body electro-chemically to form a parallel-sided groove and then etching the body chemically to remove excess material between the sides and form the groove into a rectangular section. The groove may be a lubrication channel of spiral configuration.
Patent GB-255715-A (GB)
Title: Improvements relating to bobbins for textile machinery
IPC: B65H54/28
Filed: 1925-12-19
Abstract: 255,715. Pivot, L., and Villot, L. Dec. 19, 1925. Winding - machines. -The bobbin is reciprocated axially to lay the yarn by a pin k mounted on a block f which slides axially in a slot e in a plate d rigidly mounted on a rotating wormwheel g, a pin h on the block moving in a stationary camslot i so that the block f is always radially disposed and moves to and from the centre. The throw of the bobbin is adjusted by adjusting the position of the pin k in the block f, and the shape of the cam is such that the reciprocating movement imparted by the cam to the bobbin is of constant speed.
Patent GB-687854-A (GB)
Title: An improved variable-speed gear box
IPC: F16H3/32
Filed: 1949-12-15
Abstract: 687,854. Change-speed gear. CHURCHILLREDMAN, Ltd., and DODGSON, F. March 15, 1951 [Dec. 15, 1949], No. 32164/49. Class 80 (ii). Thirty or more ratios are transmitted from an input shaft a to a parallel output shaft c, such as a feed shaft on an automatic lathe, by three countershafts f, h, i (shown out of position), the first, f, of which, itself driven at three ratios by a sliding gear-cluster a', a', a' splined on the input shaft, drives at each of five different ratios, the second and third countershafts h, i, which have different centre - distances, and during drive are geared together and to the final output shaft c by rigidly and slidably keyed wheels h<SP>6</SP>,i<SP>6</SP>, j. The input cluster a', a<SP>2</SP>, a', moved selectively by an individual threeposition rotary dial, drives the first countershaft f through wheels b', b<SP>2</SP>, b' on a sleeve b, free on the output shaft c, and carrying a fast wheel b', meshing, through an idler on the shaft h, with a fast wheel e on the countershaft f. The latter carries a splined cluster f<SP>1</SP>, f<SP>2</SP>, f<SP>3</SP>, selectively movable axially, by an independent rotary dial into ten positions, in five of which it drives the countershaft h at five ratios by meshing wheel f<SP>1</SP> with fast wheels h, or h<SP>1</SP>; f<SP>2</SP> with h<SP>3</SP> or h<SP>4</SP> ; and f<SP>3</SP> with h<SP>5</SP>, whilst in the other five positions it drives the countershaft i at five further ratios by meshing the wheel f<SP>1</SP> with fast wheels i' or i<SP>2</SP>; f<SP>2</SP> with i<SP>3</SP>; and f<SP>3</SP> with i<SP>4</SP> or i'. The numbers of teeth on the adjacent wheels h', h<SP>2</SP>; h<SP>3</SP>, h'; i<SP>1</SP>, i<SP>2</SP> ; and i<SP>4</SP>, i<SP>5</SP> are unequal, their tooth-profiles being suitably modified to enable them to mesh with their single co-operating wheels, e.g. f' &c., on the respective parallel shafts. To prevent locking due to simultaneous meshing of two ratios during a shift of the ten-position gear-cluster f', f<SP>2</SP>, f<SP>3</SP>, its selector dial is locked in gear-positions by a fixed peg from which it must be disengaged by a lifting movement before it can be turned, such movement acting through a lever linkage to slide the splined wheel i<SP>6</SP> out of mesh with h<SP>6</SP>, thereby breaking the connection between the countershafts. The output shaft c may drive a lead-screw shaft j<SP>2</SP> through an axially-engageable wheel pair h free on the input shaft a.
Patent GB-1430238-A (GB)
Title: Esters
IPC: C07C233/47
Filed: 1972-07-10
Abstract: 1430238 Preparation of esters of N-blocked amino acids GLAXO LABORATORIES Ltd 4 July 1973 [10 July 1972] 32213/72 Heading C2C A process for the preparation of an ester of an N-blocked amino acid, for example, a penicillin or cephalosporin, comprises reacting the N- blocked amino acid, or a salt thereof, with an amine of formula (where R is an organic group) and a nitrosating agent to yield an N-blocked amino acid ester in which the ester group has the formula  A number of penicillins and cephalosporins are prepared by the process and the following compounds are stated to be novel:- 2-furylmethyl - 3 - acetoxymethyl - 7# - (2 - thienylacetamido)ceph - 3 - em - 4 - carboxylate; cyclohexyl - 3 - acetoxymethyl - 7# - (2 - thienylacetamido)ceph - 3 - em - 4 - carboxylate; benzyl - 3 - acetoxy - methyl - 7# - (2 - thienylacetamido)ceph - 3 - em - 4 - carboxylate; 9 - fluorenyl - 3 - methyl - 7# - phenoxyacetamidoceph - 3 - em - 4 - carboxylate; and triphenylmethyl - 3 - methyl -7# - phenoxyacetamidoceph - 3 - em - 4 - carboxylate. The compound diphenylmethyl D-(-)-N-(2,2,2- trichloroethoxycarbonyl) - 2 - phenylglycinate is also prepared.
Patent GB-1503438-A (GB)
Title: Counting devices
IPC: B65B57/20
Filed: 1976-08-03
Abstract: 1503438 Counting articles SIG SCHWEIZERISCHE INDUSTRIE-GES 3 Aug 1976 [4 Aug 1975] 32251/76 Heading G4D A counting device of the kind in which randomly fed articles, such as biscuits, form into groups of a predetermined number in each of a plurality of paths on a conveyer and the completed groups are pushed to an outlet of the device by means 20, has an arresting member 52 projecting into the path of each group until the group is completed and while the respective arresting member 52 is projecting the pusher means 20 is rendered inoperative. The pushers 20 have two positions determined by an overcentre snap action device and are pushed by a lever 66 into an inoperative position if they approach an incomplete group. The constriction of the device is otherwise similar to that described in Specification 1,350,444.
Patent GB-324970-A (GB)
Title: Method of manufacturing a durable coating composition
IPC: C04B28/26
Filed: 1928-11-05
Abstract: 324,970. Ehrentraut, G., Nov. 5, 1928. Distempers.-A paint for wood, masonry, roofing, paste-board &c. consists of a pulverized clay and water-glass, with or without colouring matter. If desired the clay may be mixed with water and the water-glass added. Reference has been directed by the Comptroller to Specifications 185,910 and 225,763.
Patent GB-828626-A (GB)
Title: Improvements in collapsible crates
Inventor: WHETTON KENNETH
IPC: B65D85/34
Filed: 1956-10-24
Abstract: 828,626. Collapsible crates. G. K. N. REINFORCEMENTS Ltd., [formerly TWISTEEL REINFORCEMENTS Ltd.]. Oct. 18, 1957 [Oct. 24, 1956], No. 32352/56. Class 18. A collapsible wire mesh crate of the kind having its vertical walls 10, 11, 12, 13, Fig. 1, hingedly connected together, and having a base 15, Fig. 3, hinged to one vertical wall 10, includes a plurality of slips 19 secured to the lower edge of one or more of the remaining vertical walls 11, 12, 13, the clips 19 being adapted to receive the edge of the base 15 and support it. A lid 14 may be hinged to the wall 11. The clips 19 may be formed from metal strip bent into hook-like form and welded or otherwise secured to the two lowermost wires of the sides. Alternatively the clips 19 may also be hook shaped at their upper ends to engage the wire adjacent to and parallel with the lowermost wire.
Patent GB-1045749-A (GB)
Title: Filled polyamides
IPC: C08L77/00
Filed: 1963-08-16
Abstract: A process for making a polymerized synthetic bearing material comprises mixing together a lactam monomer having at least 6 ring carbon atoms and a liquid lubricant filler having a low melting point, preferably below that of the lactam monomer, a low vapour pressure at temperatures normally encountered during use of such material for bearing purposes; and chemical properties which do not chemically interfere with or poison the polymerization reaction, and heating said mixture either during or after mixing to a temperature above the melting point of the lactam monomer but below the melting point of the resulting polymer to polymerize the lactam.  The lactams, e.g. #x-caprolactam, enantholactam, caprylolactam, decanolactam, undecanolactam, dodecanolactam, pentadecanolactam, hexadecanolactam, methylcyclohexanone isoxime or cyclic hexamethylene adipamide or mixtures thereof are polymerized in the presence of conventional anionic catalysts and promoters.  Specified lubricant fillers are mineral oil, silicone oil, halogenated biphenyl, didecyl phthalate, polybutene, a metallic fatty acid ester, butyl stearate and a ketone derived from a fatty acid.
Patent GB-644145-A (GB)
Title: Improvements in drill bits for hammer drills having hard metal cutting edges and hard metal bodies forming such cutting edges
IPC: E21B10/58
Filed: 1947-12-09
Abstract: 644,145. Percussive drills. AKTIEBOLAGET ATLAS DIESEL., and LARCEN, J. A. Dec. 9, 1947, No. 32506. [Class 124] A drill bit has one or more hard metal cutting inserts, permanently secured in the cutting end, which are provided with gauge producing portions at their outer radial end surfaces extending to a point between the cutting edge and half the axial height of the insert to form the maximum diameter of the bit. As shown the insert 1 may have projections 3 having curved portions 8 joining them to the base of the insert. The projections may extend along less than one third of the axial height of the insert and may have a contour similar to the normal shape of the cone formed by wear, Fig. 3 (not shown). The ratio of breadth to height of the insert may be as in Specification 643,179.
Patent GB-162342-A (GB)
Title: Improvements in means for cleaning cans or like cylindrical receptacles
IPC: B08B9/36
Filed: 1919-12-29
Abstract: 162,342. Marks, E. C. R., (Creamery Package Manufacturing Co.). Dec. 29, 1919. Cans, washing.-Cans are brushed internally by rotary brushes 12 mounted in the rear wall of a tank 10 and externally by brushes 16 pivoted at 17<a> and depressed by hand into contact with the can against the action of springs 22. The bottom of the tank slopes as shown, and the space in front of the brushes is utilized for soaking the cans prior to the brushing operation. The rotary brushes are mounted in separate U-shaped brackets 21 in one of which is arranged a beltdriven shaft 42 geared through a clutch 46 with the brush shaft 14. The other rotary brush (or brushes) is driven from this shaft 14 by sprocket gearing. The clutch is operated from the front of the tank by a handle 55 and rod 54. After brushing, the cans are inverted over nozzles 31 supplied with steam and water through valved pipes. The cans are guided and supported over the nozzles by angle irons 27 and strips 28. The steam and water pipe 39 leading to the nozzles extends twice through the end compartment 29 and may thus serve to heat the water in the tank.
Patent GB-410513-A (GB)
Title: Improvements in or relating to passenger road vehicles
IPC: B62D31/04
Filed: 1932-11-17
Abstract: 410,513. Motor - vehicle frames. ASSOCIATED EQUIPMENT CO., Ltd., Windmill Lane, Southall, Middlesex, and STACK, G. F., 4, Grange Mansions, Grange Road, Ealing, London. Nov. 17, 1932, No. 32565. [Class 79 (iv).] A passenger vehicle of the kind required to leave a specified clearance 19 between the under parts and the ground over a specified clearance area 20 has one chassis longitudinal 11 with one part A located above the clearance level 19, but within the area 20 as viewed in plan, and is characterized in that another part 21 of the longitudinal 11 is sunk below the level 19, but is situated laterally outside the area 20. In the construction shown applied to a six-wheeled trolley-bus a side entrance or exit 18 is located over the sunk part of the longitudinal 11, a step 24 being provided below the floor level 25. The other longitudinal 12 has a sunk portion 26, but is above the clearance level 19 throughout and is connected to 11 by tie rods 13-16 and a bracing piece 17. Modifications are described for a fourwheeled vehicle in which (1) the longitudinals are mainly parallel throughout to the longitudinal axis of the vehicle, the longitudinal 11 being swept outwardly and downwardly below the side entrance, and (2) the longitudinal 11 is built up of a plurality of parts whereof two overlap one another at the cranked part of the longitudinal.