baber/WOPTO huggingface dataset:
Patent GB-1184413-A (GB)
Title: Improvements in or relating to Multiple-Stroke-Intermittent Work Feeding Devices
IPC: B23K11/00
Filed: 1968-01-12
Abstract: 1,184,413. Welding by pressure. BAUSTAHLGEWEBE G.m.b.H. 12 Jan., 1968 [13 Jan., 1967], No. 1867/68. Heading B3R. In a device for feeding workpieces comprising a pair of reciprocating feeding devices, each reciprocating device includes its own rotary to oscillating motion conversion means, the reciprocating means are arranged to operate in synchronism with different feed strokes and the means for effecting the larger stroke is arranged to be rendered inactive. An automatic spot welding machine for making steel reinforcing mats for reinforced concrete comprises means for continuously feeding spaced, parallel longitudinal rods 1 and means for intermittently feeding parallel transverse rods 2 to be spot welded between a pair of electrodes 4, 5. A number of rod engaging pawls 3 are mounted on a carrier 6 supported by a slide 7, the latter being reciprocated by a crank mechanism comprising an arm 9 pivoted at 10 to the base plate 12 and having a pin and slot connection 14, 15 with a crank disc 17 driven from a motor 20, so that the slide 7 is reciprocated through a feed stroke a. A second slide 32 carrying further pawls 33 is reciprocated by a second crank mechanism comprising an arm 25 pivoted to the base 12 and having a pin and slot connection 23, 24 with a crank disc 22 driven in synchronism with the crank disc 17 by a chain 27, the slide 32 being reciprocated through a smaller feed stroke b. In operation with the feed pawls 3 engaging a transverse rod the mat is advanced through stroke a and since the pawls 3 move faster than pawls 33, interference with the feed movement by the latter pawls is prevented. To produce the reduced feed stroke the pawls 3 are temporarily disengaged by retracting a piston 34 and allowing the pawls to move to a disengaged position by gravity or spring bias, the mat being then advanced through feed stroke b. The continuous mat may be cut at a point midway between the closely positioned rods to produce mats with minimum projecting length at their ends.
Patent GB-764935-A (GB)
Title: Tubeless tire valve
IPC: B60C29/02
Filed: 1955-01-21
Abstract: 764,935. Tyre valves. GOODYEAR TIRE & RUBBER CO. Jan. 21, 1955 [July 20, 1954], No. 1872/55. Class 135. A valve for a tubeless tyre includes a metal tube 5 bonded to a rubber stem 4 which has a neck 13 for engagement in an opening in the rim 12 of the wheel, a flange 8, and a circular recess 14 in its head. In the unstressed condition of the stem, the neck 13 has a diameter greater than the opening in the wheel rim and an axial length less than the rim thickness. The diameter of the recess is greater than that of the tube 5 but less than that of the neck 13. In modified constructions, the head may be domed, the recess may be arcuate in cross-section, the stem may be curve tapered below the rim and without the flange 8, the stem may be straight tapered over its entire length, and the recess constituting the neck 13 may slope upwardly and inwardly.
Patent GB-1077402-A (GB)
Title: Magnetic record apparatus
Inventor: REED GORDON HOWARD
IPC: G11B33/02
Filed: 1964-01-16
Abstract: 1,077,402. Bases for magnetic tape recorders. TELEVISION RESEARCH Ltd. Jan. 5, 1965 [Jan. 16, 1964], No. 1905/64. Heading G5R. The casing of a magnetic tape recorder comprises end walls 15 and 16 to which are clamped front, back and upper walls 13, 14 and 7, a base wall 29 (not shown in Fig. 1) being hinged to the assembly. The walls 13, 14 and 7 are preferably formed in one piece the edges of which fit into grooves formed in the end walls 15 and 16 which are secured together by four tension rods 17-20 (of which only 17 and 18 are shown in Fig. 1); the tension rods have screw-threaded ends engaged by collars which clamp them to the end walls and which can be rotated to adjust the tension. The base wall 29 may be hinged to tension rod 20 and may be held closed by bolts passing through lugs provided on the end members. The end members may extend above the level of the upper wall 7 and may be provided with recesses in the extensions to provide finger grips. The recorder may be of the type employing an endless tape in a cassette 6 which can slide in guides 8 to be engaged by a catch 11 releasable by a pushbutton 12, the tape being adapted to engage a capstan 9 and playback head 10.
Patent GB-823852-A (GB)
Title: Improvements relating to the charging of coke oven chambers
Inventor: SCHILLING CARL OTTO
IPC: C10B31/04
Filed: 1956-01-20
Abstract: 823,852. Charging coke ovens. DIDIERWERKE A.G. Jan. 20, 1956, No. 2079/56. Class 51 (2). In a charging car 12 for a coke oven battery having a hopper associated with each charging hole, the hopper has an upper section 14 secured to a frame 15, and a lower section 16 tapered lengthwise and resiliently suspended at 17 from the frame 15, said lower section being disposed over a vibrated shoot 18 feeding a charging shoot 19. The vibrations induced in the shoot 18 by an electromagnetic oscillator 20 are transmitted to the lower hopper section 16 by a coupling 23 and suspension member 22. Engaging the charging opening 13 is a pipe 25 which surrounds the shoot 19 and forms therewith an offtake for gases escaping during charging operations. In a modification, Fig. 4 (not shown), the lower hopper section is suspended from the upper section by vibration-absorbing mountings, the vibrated shoot being suspended from said lower section by pivoted links. The vibrations in this case are said to be transmitted to the lower hopper section by the coal.
Patent GB-611320-A (GB)
Title: Improvements in and relating to azo dyestuffs
IPC: C09B29/00
Filed: 1946-01-22
Abstract: Arylenediamines in which both amino groups are substituted by a sulphonic group and one of them also by an organic radical are obtained by treating arylene diamines, in which one of the amino groups is primary and the other secondary, with sulphonating agents (e.g. sulphuric anhydride, sulphuric chlorhydrin, chlorosulphonic ester, oleum or pyridinium sulphonate) mixed or combined with a tertiary amine (e.g. pyridine or dimethylaniline), if desired in the presence of a solvent or diluent.  In the examples, N1 - methyl - 1 : 4 - diaminobenzene-N1 : N4-disulphonic acid, 1 : N2-dimethyl-2 : 4-diaminobenzene-N2 : N4-disulphonic acid, and N1-phenyl-1 : 4-diaminobenzene-N1 : N4-disulphonic acid and its 41-methyl and 41-methoxy derivatives are prepared by treating the appropriate diamines (in some cases in the form of the hydrochloride) in the presence of pyridine with sulphuric chlorhydrin or its reaction product with pyridine. Specifications 5689/03, [Class 2], 186,057, 202,630, [both in Class 2 (iii)], and 231,889, [Class 2 (ii)], are referred to.  The Specification as open to inspection under Sect. 91 comprises also a reference to the sulphoration of 1 - chloro - N3 - methyl - 3 : 4-diaminobenzene, which is obtainable by the action of methylamine on 1-chloro-3 : 4-dinitrobenzene, followed by reduction. This subject-matter does not appear in the Specification as accepted.ALSO:Azo dyestuffs are manufactured by treating with a diazotizing agent an arylenediamine of which both amino groups are substituted by a sulphonic group and one of them also by an organic radical (whereby this latter amino group is unaffected whilst the other is converted into a diazo group), and coupling the resulting diazo compound (which is probably in the form of an internal salt) with any coupling component soluble or insoluble in water.  The products dye wool, silk, lanital and animalized cellulosic fibres. Examples describe the production of dyestuffs from the following components: diazo components: N1-methyl-1 : 4-diaminobenzene-N1 : N4-disulphonic acid, 1 : N2-dimethyl-2 : 4-diaminobenzene-N2 : N4-disulphonic acid, and N1-phenyl-1 : 4-diaminobenzene-N1 : N4-disulphonic acid and its 41-methyl and 41-methoxy derivatives; coupling components: 2 : 3 - hydroxynaphthoic acid anilide, o-toluidide, o-and p-anisidide, o-phenetidide, 2-methyl-4-methoxyanilide, m-nitranilide, 2 : 5-dimethoxyanilide and b -naphthylamide, 2-hydroxycarbazole - 3 - carboxylic acid p - chloranilide, 2-hydroxynaphthocarbazole-3-carboxylic acid p-anisidide (derived from 1 : 2-benzocarbazole), 2 - hydroxyanthracene - 3 - carboxylic acid o - toluidide, 3-hydroxydiphenylene oxide-2-carboxylic acid 2 : 5-dimethoxyanilide, terephthaloyldiacetic acid 2 : 4-dimethoxy-5-chloranilide, di - (acetoacetyl) - o - tolidine, b  - naphthol, 1 - phenyl - 3 - methyl - 5 - pyrazolone, 1 : 8 - di - hydroxynaphthalene-3 : 6-disulphonic acid, and a -naphthylamine. Specifications 5689/03, [Class 2], 186,057, 202,630, [both in Class 2 (iii)], and 231,889, [Class 2 (ii)], are referred to.
Patent GB-1366851-A (GB)
Title: Comminuting apparatus
IPC: B26D7/06
Filed: 1973-01-16
Abstract: 1366851 Comminuting plastics sheets CUMBERLAND ENG CO Inc 16 Jan 1973 [18 Jan 1972] 2153/73 Heading B2A  Comminuting apparatus comprises means to hold down and feed a sheet of plastics and a cutting mechanism 4 at an angle to the direction of feed to reduce the sheet to granules. The feed means comprises a feed table a pair of rollers 20, 58, parallel supports 62..64..80 each extending a shorter distance towards the cutting apparatus so that the forward ends lie in a line parallel to and adjacent the cutting mechanism, endless belts 102 between the upper roller 58 and pulleys 82..84..98. The cutting mechanism comprises a known dicing machine having a rotor 4 bearing teeth 6 and cooperating with a bed knife 8. When a ram piston 44 is retracted it pulls down support members 38, 40 causing the upper roller 58 and the arrangement of belts to be pressed downwards towards a feed table 2 and thus feed the sheet towards the cutters. The shaft 22 of the roller 20 is driven via gearing 26, 28. The downward limit of the feed belts is set by a screw 114 and lock nut. If material jams an electric circuit is made by a switch 122 due to lifting of the feed device causing the piston of the ram 46, Fig. 5, to retract and lift the feed device clear. In one embodiment the belts 102 are recessed into the grooves in the feed roller 58. However the belt may be arranged in very shallow grooves so that the feed roller does not touch the feed stock.
Patent GB-852288-A (GB)
Title: New cyclopentanophenanthrene derivatives and processes for the production thereof
IPC: C12P33/00
Filed: 1957-01-22
Abstract: The invention comprises 4-alkyl or aralkyl pregnadienes of the general formula :  <FORM:0852288/IV(b)/1> in which R is an alkyl or aralkyl group, R1 is a b -hydroxy or a keto group, and R2 is hydrogen or an acyl group, particularly derived from hydrocarbon carboxylic acids containing less than twelve carbon atoms, e.g. acetic, propionic, cyclopentylpropionic and benzoic acid; together with processes for their preparation (a) by treating a corresponding 21-ester of the corresponding pregnane compound with approximately two mols of bromine to form the 2,4-dibromo derivative, dehydrobrominating with an organic tertiary base, preferably collidine, and thereafter saponifying the ester group; (b) by adding the corresponding pregnane compound to a neutral medium containing a culture of Corynebacterium simplex at a temperature slightly above room temperature, stirring the mixture for twenty-four hours, and separating the D 1,4-pregnadiene produced.  In examples:-(1) 4a -methyl-pregnane-17a ,21-diol-3,11,20-trione 21-acetate in acetic acid containing a little HBr is treated dropwise with bromine in acetic acid, and the resulting 2,4-dibromo compound refluxed with 2,4,6-collidine and the product chromatographed on silica gel, giving 4-methyl-D 1,4-pregnadiene-17a ,21-diol-3,11,20-trione, subsequent treatment with KOH in aqueous methanol under nitrogen gives 4-methyl-D 1,4-pregnadiene-17a ,21-diol-3,11, 20-trione, also prepared from other esters of 4a -methyl-dihydrocortisone, such as the 21-propionate and 21-benzoate; similarly (2) to (8) are prepared 4-ethyl-, 4-propyl- and 4-benzyl-D 1,4-pregnadiene-17a ,21-diol-3,11,20-trione, and 4-methyl-, 4-ethyl-, 4-propyl-, and 4-benzyl-D 1,4-pregnadiene-11b ,17a ,21-triol-3,20-dione ; (9) 4a -methyl-dihydrocortisone in methanol is added to a culture of Corynebacterium simplex (A.T.C.C. 6946) in a nutrient yeast extract medium at pH 7, the mixture stirred 24 hours at 28 DEG C and 4-methyl-D 1,4 pregnadiene-17a ,21-diol-3,11,20-trione isolated by extraction with chloroform and purified by chromatography on silica gel.  Specification 851,998 is referred to.
Patent GB-633856-A (GB)
Title: Weighing scale
IPC: G01G5/04
Filed: 1947-01-25
Abstract: 633,856. Weighing-apparatus. AVERY, Ltd., W. & T. Jan. 25, 1947, No. 2372. Convention date, July 3, 1941. [Class 143] In a platform weighing scale in which the load counterbalancing means is situated away from the platform, a gathering lever, in a compound lever mechanism supporting said platform, bears on a bellows assembly in hydraulic communication with a similar assembly on the counterbalancing means. The load platform 10, Fig. 6, is supported on two levers 13 which are fulcrumed at 16 and have nose pivots 17 which co-operate with a link 19 which link also co-operates with a gathering lever 22 the nose pivot 26, Fig. 7, of which rests in a bearing 27 on a strut 28. This strut rests on a cap 32 attached to a bellows 29 and force communicated to said strut is converted into hydraulic pressure by the bellows and transmitted through a pipe 33 to a similar bellows 35, Fig. 4, which re-converts the hydraulic pressure into force which is transmitted through a strut 36 and a lever 41 to a rod 46. This rod is connected to a lever 48, Fig. 2, which in turn is connected to a pendulum counterbalancing mechanism which through a rack 56 and pinion 57 rotates an indicating pointer 58. In a modification (not shown) the rod 46 is operatively connected to a steel-yard counterbalance.
Patent GB-174630-A (GB)
Title: Improvements in springs for motor road vehicles
IPC: B60G11/12
Filed: 1922-01-26
Abstract: 174,630. Johnstone, F. W. Jan. 26, 1921, [Convention date]. Safety appliances.-A curved or bent metal leaf spring 4 secured by a clamp &c. 6 to the front end of the chassis 8 of a motor vehicle and connected at 5 to the shackle 3, which connects the front end of a semi-elliptic bearing spring 1 to the chassis, serves as a bumper if the vehicle meets an obstruction, and also as a shock-absorber for the spring 1. Resilient means may be provided to prevent contact of the spring 4 with the chassis 8 or shackle 3, and for this purpose the spring 4 may be formed with a continuation 10, as shown in Fig. 3, or a block 11 of rubber &c. may be secured to the spring 4, as shown in Fig. 4.
Patent GB-489379-A (GB)
Title: Improved process for the production of modified dextrins
IPC: C08L3/02
Filed: 1937-01-28
Abstract: The formation of lumps in dissolving dextrin in water is prevented by heating dry dextrin for 3-15 minutes to a temperature short of that which will produce charring, e.g. to 70-130 DEG  C.  A pressure of 1 pound per square inch may be applied during treatment.  Various additions may be made before the treatment, e.g. of a bisulphite, b -naphthol, benzoic acid, borax, sodium phosphate or perborate.  The Provisional Specification describes also the addition of small amounts of volatile organic compounds, e.g. alcohol or acetone, before heating the dextrin.
Patent GB-696353-A (GB)
Title: Improvements in cartridge magazines for automatic firearms
IPC: F41A9/49
Filed: 1952-01-30
Abstract: 696,353. Cartridge feed mechanisms. BREVETS AERO-MECANIQUES SOC. ANON. Jan. 30, 1952 [Feb. 17, 1951], No. 2532/52. 'Class 92(ii) A cartridge magazine for an automatic firearm has a feed device 5 constantly urging the cartridges to the outlet 3, and an auxiliary feed mechanism actuated by the recoil energy developed on firing and located within the magazine near its outlet. This auxiliary feed mechanism imparts an acceleration to the cartridges b, a, during the very short time for which the leading cartridge a is to pass from the waiting position to the introduction position, the main feed mechanism 5 subsequently causing the remaining cartridges to make up for their relative lagging. When the trigger is pulled the breech-block 6 drives the cartridge a, shown in the introduction position in Fig. 1, into the cartridge chamber, and the feed device 5 moves all the cartridges until cartridge b rests on top of the breech-block-the waiting position. Such movement rotates star wheels 8a, 8b which, being keved to a tube 10 connected at 11a to a torsion bar 11 which carries a ratchet wheel 12, rotates the latter so that pawls 15, 17 engage with its teeth; the torsion bar is not twisted during this movement. On'recoil a cam 9 rotates a lever 19 carrying the pawl 17 thereby rotating the wheel 12 and stressing the torsion bar 11 which is held stressed by the pawl 15. When the breech-block has moved backwards sufficiently to clear the cartridge b the torsion bar comes into action to rotate the wheels 8a, 8b to accelerate cartridges b, c towards the magazine outlet. The bar 11 still remains slightly twisted after the movement so that it can impart a further movement to wheels 8a, 8b when the cartridge b is moved into the breech chamber. This further movement is, however, delayed slightly by a pawl and ratchet device 29, 30 to enable the next cartridge d to engage between the teeth of the star wheels. Specification 696,350 is referred to.
Patent GB-210785-A (GB)
Title: System for treating activated sludge
IPC: C02F11/13
Filed: 1924-01-31
Abstract: 210,785. Sando, W. J. Feb. 5, 1923, [Convention date]. Plant. - Activatetl sludge is heated to a temperature at which the solid matter coagulates so that its separation by filtration is facilitated, the waste heat of the filtrate and waste heat from thepower system being used to heat the sludge. The sludge passes from a suction well 8 through a primary heater 1, a secondary heater 2 and a pipe 15 to tanks 16 in which rotate vacuum filter drums 17. The submerged and upper portions of the drums are connected respectively through condensers 4 to high and low vacuum pumps 5, 6, driven by a steam prime mover 20. The filtrate is passed by a pump 24 through the heater 1 to serve as heating agent therein. The solid matter is removed from the drums by scrapers and passed to drying apparatus for conversion into fertilizer. Gases withdrawn from the drums are cooled and condensed in the chambers 4 into which a portion of the filtrate passing from the heater 1 is sprayed. The condensate from the chambers 4 is supplied as additional heating agent to the heater 1. The exhaust from the pumps 5, 6, the engine 20 and other steam prime movers is passed to the heater 2, its pressure and the temperature in the heater being governed by the operation of a condensate pump 34 and an air pump 35. As shown in Fig. 3, the heater 2 may also receive steam from a turbine 37 which drives an electric generator 89. To automatically secure a constant temperature of the steam in the heater 2 its pressure is communicated to a spring-controlled piston 42 which operates a valve through which steam is supplied to the turbine 37. Under normal conditions the current produced by the generator 39 meets the auxiliary power demands of the system, but it is connected in shunt with a main power line 48 to or from which power may be passed. Flue gases from the boiler plant and waste gases from the drying apparatus may be utilized for heating.
Patent GB-704000-A (GB)
Title: Improvements in rotary plunger pumps
IPC: F04B1/113
Filed: 1951-02-02
Abstract: 704,000. Reciprocating pumps. BYRON, E., and TOPHAM, A. E. Feb. 4, 1952 [Feb. 2, 1951], No. 2586/51. Classes 8 (1) and 102 (1). [Also in Group XXIV] In a rotary piston-pump comprising a body 1, having inlet and delivery ports 11, 12 respectively communicating with elongated grooves 13, 14 respectively, containing a main rotor 3 secured to a drive shaft 2 and having in its inner surface a diametrical open-ended channel 4 which communicates with the inlet and delivery grooves during its rotation and has a plunger 5 slidable therein which plunger is pivotally mounted on a pin 6 carried by a secondary rotor 7 in face to face engagement with the main rotor and which is rotatably mounted in the body about an axis eccentric and parallel to that of the main rotor whereby upon actuation of the latter the plunger is reciprocated in the channel to suck fluid from the inlet groove and deliver it through the delivery groove, the secondary rotor is mounted in an eccentric bushed-bore 10 of a support member 8 and the latter is angularly adjustable by a worm 20 and wormwheel 19 whereby the axis of the secondary rotor may be varied which thus varies the phase relationship of the plunger to the inlet and delivery grooves and hence the pump delivery. The flow may also be reversed. A roller 18, carried by a pin 17 on the secondary rotor diametrically opposite the pivot pin 5, engages in a groove 16 in the main rotor whereby the secondary rotor is caused to rotate at twice the speed of the main rotor. In another embodiment two main rotors are disposed one on each side of a secondary rotor, each having a plunger; the plungers are so disposed that the pump delivery is continuous. The pump may be disposed in the transmission between an engine and a generator and for this purpose the secondary rotor 7 is secured to a further shaft. The pump thus performs the secondary function of a speed-reducing or speed-increasing gear. In this embodiment the pin and slot driving connection between the two rotors may be augmented or substituted by a gear drive.
Patent GB-400914-A (GB)
Title: Systems for the utilisation of exhaust gas
IPC: F02G5/02
Filed: 1932-01-29
Abstract: 400,914. Motor power plant. SELCO MOTOR CO. AKT.-GES., 16, Kungstradgardsgatan, Stockholm. Jan. 29, 1932, No. 2787. Void [Abridged as open to inspection under Sect. 91 of the Acts, Jan. 30, 1932]. [Class 110 (iii).] The plant deals with a combination of internal-combustion engine 1, exhaust gas engine 3, steam engine 2, and piston gas compressors 4 combined with the power engines. The reciprocating engines may be replaced by turbines. A charge enters through a pipe 6, burnt, and the exhaust passes through 7 and a container 8 to the plant 3, and then to a condenser 10 where water is precipitated to exhaust 11. The container 8 is a steam generator supplying the power cylinder 5. Condensate is forced by a feed pump 17 through a cooling jacket 18 and then to the container 8. The condenser vacuum is secured by suction of the compressors of plant 1 through the pipe 20. Water is injected through a pipe 28 into the exhaust gas entering engine 3, the water being obtained from atmospheric air drawn through a pipe 25 over a cooled plate 26. Plant 2 can also be operated by exhaust gas. In another arrangement the compressor chambers supply an ammoniac cooling plant, the pistons being acted upon by combustion gases. When the plant is used in connection with aircraft, the leading edges of the wings may be used for cooling surfaces.