baber/WOPTO huggingface dataset:
Patent GB-817039-A (GB)
Title: New benzthiazolylsulphenimides and their use as vulcanisation accelerators
Inventor: KERRIGAN VINCENT
IPC: C07D277/80
Filed: 1957-05-08
Abstract: Natural or synthetic rubbers are vulcanized after the incorporation of a N-tertiary-octyl-bis-(benzthiazolyl-2-sulphen)-imide, e.g. the 1,1,3,3-tetramethylbutyl compound, a delayed-action accelerator of vulcanization, useful particularly in preventing scorching of the vulcanizate.  The sulphenimide may be incorporated in amounts of up to 10 per cent of the rubber, preferably 0.2-3.0 per cent. The vulcanization may be effected by known methods, e.g. by heating with sulphur at 140 DEG  C. for 20-30 minutes.  Specified synthetic rubbers are polymers of butadiene-1,3, iso-butene and 2-chlorobutadiene-1,3 and copolymers of these with acrylonitrile, styrene, and methyl methacrylate.  The rubbers may also contain fillers, channel and furnace blacks, antioxidants and pigments.  An example is of a natural rubber (smoked sheet) mix containing N-1,1,3,3-tetramethylbutyl-bis-(benzthiazolyl-2-sulphen)-imide, and the properties of the vulcanizate.  According to the Provisional Specification, any N-tertiary-alkyl-bis-(benzthiazolyl-2-sulphen)-imide may be used, tertiary alkyl groups specified being the tertiary butyl, amyl and hexyl radicals, and tertiary cycloalkyl groups such as 1-methyl-cyclohexyl.  The N-tertiary butyl compound is used in an additional example.  This material does not appear in the accepted Complete Specification.ALSO:The invention comprises benzthiazolylsulphenimides of the formula <FORM:0817039/IV (b)/1> where R is a tertiary octyl radical, e.g. the 1,1,3,3-tetramethylbutyl group.  The compounds may be prepared by reacting a benzthiazolyl-2-sulphenhalide, e.g. the chloride, with a tertiary octylamine in an inert substantially anhydrous organic solvent, e.g. carbon tetrachloride, chloroform, benzene, chlorobenzene, dichlorobenzene and dibutyl ether, preferably one boiling below about 100 DEG  C.  Suitable temperatures are from 0-75 DEG  C., preferably 20-40 DEG  C.  An acid acceptor is preferably present e.g. pyridine, an alkyl pyridine, or triethylamine.  The compounds of the invention may also be prepared by reading benzthiazolyl-2-sulphenchloride (which may be obtained by chlorination of the benzthiazolyl disulphide) with an N-tertiary-octyl-benzthiazolyl-2-sulphenamide in an inert substantially anhydrous solvent, preferably in the presence of an acid acceptor.  In examples, the compound is prepared in which R is the 1,1,3,3-tetramethylbutyl group.  The compounds are useful in vulcanizing rubber (see Group IV (a)).  According to the Provisional Specification, the group R may be any tertiary alkyl group, including cycloalkyl radicals, such as the tertiary butyl, amyl and hexyl groups, and 1-methyl-cyclohexyl radicals.  In an example the compound in which R is tertiary butyl is prepared.  This material does not appear in the accepted Complete Specification.
Patent GB-437046-A (GB)
Title: Improvements relating to furnace tuyeres
IPC: C21B7/16
Filed: 1935-05-08
Abstract: 437,046. Tuyeres. MILLS, Ltd., W., and PAIGE, J. F., Grove Street, Birmingham. May 8, 1936, No. 14623 /34. [Class 51 (i)] The water-cooled jacket c of a tuyere a is divided by a partition k to form a chamber l to which water is admitted through an inlet h. The water flows from this chamber through a number of pipes i and is discharged against the nose of the tuyere. The water escapes from the jacket through a passage m extending across the chamber l.
Patent GB-662265-A (GB)
Title: Improvements in and relating to lifting mechanism for ploughs, harrows and the like agricultural implements
IPC: A01B19/10
Filed: 1949-06-01
Abstract: 662,265. Agricultural implements. BRADFORD, R. June 1, 1949. No. 14756/49. Class 6(i). A lifting mechanism for agricultural implements comprises brackets 1, 2 attached to a tractor draw-bar 5 by a shackle pin 4. A tool frame supporting member 8 is slidably mounted on guiding members comprising distance pieces 6 bolted to and separating the brackets 1, 2. Two wheels 12 are mounted on cranks 14 adjustably mounted on a transverse shaft 17 rotatably mounted in the member 8. A hand-lever 18 having a link 24 fixed thereto is pivoted on the bracket 1 and is connected to the member 8 by a link 20 and to the shaft 17 by a link 22 fixed on the shaft. Movement of the hand-lever raises or lowers the tool supporting frame 8 and effects movement of the wheels such that the weight of the tools and member 8 is supported by the wheels. The supporting member 8 is maintained in any desired position by inserting a pin 25 in any one of a series of holes 26 in one of the distance pieces 6.
Patent GB-388615-A (GB)
Title: Method for production of trimethylenetrinitramine
IPC: C07D251/06
Filed: 1932-05-25
Abstract: Trimethylenetrinitramine is manufactured by introducing dry hexamethylenetetramine dinitrate (obtainable by bubbling ammonia through a saturated solution of formaldehyde with suitable cooling, acidifying with nitric acid, filtering and drying the product) into about seven times its weight of a concentrated solution of nitric acid, the operation being effected in two stages during the first of which the temperature is maintained low (0-15 DEG  C.) while during the second it rises to about 30 DEG  C. Part of the trimethylenetrinitramine may be separated by cooling and the residual solution then distilled under reduced pressure at a temperature not exceeding 40 DEG  C. to recover nitric acid which may be used again. A second amount of trimethylenetrinitramine may then be separated by cooling and a second distillation of nitric acid carried out until such an amount of nitric acid remains as is required for producing hexamethylenetetramine dinitrate for a second nitration, for which purpose it is used after dilution and separation of the remaining trimethylenetrinitramine.  The formaldehyde formed in the reaction and contained in the washing waters of the hexamethylenetetramine dinitrate may be recovered therefrom by neutralization, e.g. with calcium carbonate and distillation in vacuo, and used for the production of fresh hexamethylenetetramine dinitrate.
Patent GB-475881-A (GB)
Title: Mechanically-played musical instruments fitted with means for delivering articles in succession from a hopper or like storage chamber
IPC: G10F1/06
Filed: 1936-05-27
Abstract: 475,881. Musical boxes combined with article-delivery apparatus. LODGE, J. J. COOPER-, and TOULSON, M. P. May 27, 1936, No. 14960. [Class 88 (i)] [Also in Groups XV and XVII] In mechanicallvoperated musical instruments fitted with means for delivering articles such as cigarettes in succession from a container while the instrument is playing, the delivery-apparatus comprises an ejector slide working at the base of a gravity-feed hopper and carrying a slotted member engaging a crank-pin fixed to the pin drum spindle of the musical box movement, so as to transfer one or more articles at each stroke from the hopper to a delivery aperture. The Figure shows a musical box worked by a spring wound up by the handle 22 and released for playing by pressing a button 20 to withdraw a brake from the pin drum 14. The rotation of the drum causes a member 5 to reciprocate through the agency of a crank 1. and slotted connecting-rod 16 and so carries one cigarette in the aperture 10 from the store in the hopper 2 into register with the delivery shoot 17 down which it falls by gravity. When the drum 14 has completed one revolution the brake automatically reengages and the slide 5 stops in register with the hopper opening to receive a further cigarette ready for the succeeding operation. If desired, the apparatus can be arranged to deliver several cigarettes while one tune is being played. In a modification, the slide moves vertically and raises the cigarette from the receiving point to the delivery shoot, and the hopper is fitted with rollers adjacent to the outlet which are rotated by the movement of the slide to push back the bulk contents during the upward movement of the slide and to feed them forward in a single layer under the rollers during the downward movement.
Patent GB-237877-A (GB)
Title: Improvements in progressive change-speed devices
IPC: F16H61/02
Filed: 1925-06-09
Abstract: 237,877. Pelterie, R. Esnault-. July 30, 1924, [Convention date]. Void [Published under Sect. 91 of the Act]. Addition to 235,562. Controlling variable-speed gearing. - The parent Specification describes continuously - variable friction gearing with double conical idlers gripped between pairs of transmission rings. This is controlled by imparting to a rotary nut i an angular displacement relatively to the rotary driving-shaft a of the gearing. For this purpose, two epicyclic trains are mounted side-by-side and the outer ring z of one of them is displaced by turning a worm spindle g<1>. Under this invention, this operation is effected by the power of the engine controlled by a centrifugal governor 22, the spring 17 of which can be set for different standard speeds by a hand lever 32. The engine shaft a through bevel gearing drives gears 7, 8 and female cones 11, 12 continuously in opposite directions. A loose double cone 14 is thus driven oppositely by the engine when slid axially to left or right. The cone 14 is carried by a drum 15 thrust to the left by the governor 22 against the spring 17. The drum 15 carries a pinion 20 which drives the control spindle g<1> in either direction as required. There is a safety stop for the power-driven control. As the nut i approaches the end of its travel, a projection 34 strikes a tappet 35, which, through a linkage, brings the sliding cone 14 to neutral.
Patent GB-785071-A (GB)
Title: Improvements relating to wheel suspensions particularly for motor vehicles
IPC: B60G3/20
Filed: 1955-05-24
Abstract: 785,071. Spring suspensions. DAIMLERBENZ AKT.-GES. May 24, 1955 [May 24, 1954], No. 15003/55. Class 108(2) In a vehicle wheel suspension having a wheel carrier arranged on a swinging half axle and guided by two longitudinal links articulated to and directed at different levels towards opposite ends of the vehicle superstructure, or directed towards the same end thereof and made of different lengths, the half axle is articulated to the superstructure at a level lower than the axis of the wheel and both the half axle and links are so articulated to the superstructure as to be movable in all directions. In the arrangement shown, each wheel 14 is mounted on a carrier 15 which is supported by lower forwardly and upper rearwardly extending links 19, 18 and by a half axle 13a or 13b. The half axles are pivoted on a common pivot pin 12 located beneath a resiliently mounted axle gear 11 from which the wheels are driven by shafts 22. The upper link may be nearer the wheel centre than the lower link, Fig. 5 (not shown). The wheels are sprung by coil springs located between the half axles and the vehicle frame. The half axles may cross each other and be each mounted beyond the middle of the vehicle on the side remote from the respective wheel carrier. In another arrangement, Fig. 11 (not shown), the links are directed to the same side of the wheel carriers and the upper links are shorter than the lower links.
Patent GB-638560-A (GB)
Title: Improvements in or relating to high-speed tensile testing machines
IPC: G01N3/30
Filed: 1947-06-06
Abstract: 638,560. Testing physical qualities of materials. WESTINGHOUSE ELECTRIC INTERNATIONAL CO. June 6, 1947, No. 15013. Convention date, July 12, 1940. [Class 106 (ii)] [Also in Group XL (b)] A variable speed impact tensile testing machine comprises a rotatable element, retractable impact means carried by said element, releasable means for holding the impact means retracted, a rigid metallic body having a high elastic modulus and having integrally formed longitudinal shanks, means for rigidly supporting said body adjacent one end of said shanks adjacent the rotatable element, means for securing an assembly, including a test-specimen to be deformed to a relatively high velocity, to said body adjacent the other end of said shanks, and means for indicating the force applied to elongate the test-specimen, said indicating means being responsive to the elongation of said shanks due to impact by said impact means. The specimen 8 is secured to the load-measuring support 9 which has a high natural frequency of vibration and is screwed at its lower end to an anvil 12 which is adapted to be struck by hammers 3, 4 pivoted at their centres of gravity to a flywheel 1 driven by a motor 2. Until the required speed of operation has been attained, the hammmers are held in inoperative positions by a sprung lever 20. On operation of a solenoid 22, however, a pin releases a trigger 15 which rocks the lever 20 and allows the hammers to move, under the action of a spring 16, to an operative position. The load applied is measured by the minute extension of the support 9 to the lower end of which is secured a rod 18 which controls the width of a narrow slot 17 on which is focused a beam of light received by a photo-electric cell P connected through an amplifier 19 to the vertical plates of a cathode-ray oscilloscope 41. The anvil 12, the movement of which corresponds with the strain, intercepts a rectangular parallel beam of light which is focused on to a second photo-electric cell P<SP>1</SP> connected to the horizontal plates of the C.R.O. Thus, as the hammers strike the anvil, a load-strain curve is traced on the screen of the C.R.O. which may be photographed by a camera C. The load- and strain-measuring devices are calibrated by means of dead weights and a shutter respectively. In order to carry out tests at high temperatures, an induction heater 13 mounted on a pivoted frame 51 may be positioned round the specimen, a plug 11, through which flows a cooling liquid, being introduced between the specimen and the load-measuring support 9.
Patent GB-880085-A (GB)
Title: Spring unit for cushion spring assemblies
Inventor: PLATT JOHN GARVER
IPC: A47C7/28
Filed: 1960-04-29
Abstract: 880,085. Spring units. FLEX-O-LATORS Inc. April 29, 1960, No. 15141/60. Class 52(4) A spring assembly is formed by a plurality of planar spring units 10 interconnected by the tie strips 78 held by rivets 40, 80. The main spring has a horizontal central portion 17 with substantially V-shaped members 22, 32 connecting it with the frame, the central part 17 and front V22 being connected by an upwardly inclined bight 18. The secondary spring also has a central portion 38 with a front V 46 in contact with that of the main spring over a substantial length and a rear V 60 in contact with that of the main spring only along the lower limb. The stabilizing spring 16 has an upper and lower rearwardly extending limb with a single bend 70. The springs are riveted together at 40, 50, 64.
Patent GB-715418-A (GB)
Title: Improvements in machines for the opening treatment of fibrous materials
IPC: D01G9/00
Filed: 1952-06-16
Abstract: 715,418. Opening fibrous material. DENOVAN, J. J., and DENOVAN, R. A. June 16, 1952, No. 15147/52. Class 120(1) A machine for opening and separating asbestos fibres from asbestos ore particles comprises a rotor mounted axially in an upright cylindrical casing 1, a plurality of beating devices spaced vertically in the casing and each comprising a pair of annular plates 28 mounted on the rotor, and a series of flybars 29 circumferentially arranged about plates 28 and pivoted thereto at 30, each flybar having a pair of diverging arms and an intermediate curved portion seated between a pair of the plates, the flybars being relatively spaced to permit free swinging movement thereof. Material is fed through openings 5 in the cover 4 of casing 1 and discharged through a tangential outlet 38 opposite a fan 32 at the bottom of the casing. A stationary vertical shaft 17 carries the rotor, which comprises a driving sheave 23, the annular plates 28 and fan blades 37. Each beating device is located in a beating zone 8 lined with an upper internally saw-toothed ring 10 and a lower baffle ring 11 carrying inwardly directed fingers 12 one face of which is grooved at 13. The casing wall includes a pair of doors 40 hinged at 41. The machine may be used on all grades of asbestos particles, including the undersize residues from fibre cleaning screens.
Patent GB-1500663-A (GB)
Title: Inking mechanisms for printing machines
IPC: B41F31/20
Filed: 1976-04-14
Abstract: 1500663 Inking apparatus MASCHINENFABRIK WIFAG 14 April 1976 [5 May 1975] 15229/76 Heading B6C In an inking apparatus, ink passes from a duct 1 along a train and is partially removed for cleaning from roller 6 by an oscillating roller 11 which swings between roller 6 and a wiper roller 13. A wiper blade 14 removes the excess ink from roller 13 and deposits it in trough 16 for recycling.
Patent GB-576840-A (GB)
Title: Improvements in or relating to clutches
IPC: F16D43/18
Filed: 1943-09-20
Abstract: 576,840. Friction clutches. FAWICK, T. L. Sept. 20, 1943, No. 15405. [Class 80 (ii)] Centrifugal clutch members 25 are mounted on torque transmitting bodies 24 of resiliently deformable material, such as rubber, which is radially preloaded in compression to increase the resistance to radially outward movement of the adjacent portions of the centrifugal members. As shown. in one form, the centrifugal members 25 have facings engageable with the inner face 10a of a driven drum 10, and are pivoted on conical rubber bushes 24 on bolts 20 carried by a ring 17 on a driving member 13. A nut 23 on each bolt 20 compresses the rubber axially. Springs 31 may assist declutching. In a modification, radially movable centrifugal members, urged inwardly by springs, are interlocked at each end with rubber members which may be cylindrical or wedge shape. The contacting faces of the rubber members may have metal facings adhered thereto.
Patent GB-327892-A (GB)
Title: Improvements in and relating to zeroising mechanism for counters
IPC: G06M1/34
Filed: 1929-05-17
Abstract: 327,892. Mathys, A. W., (Monroe Calculating Machine Co.). May 17, 1929. Zeroizing - mechanism.-Each wheel of a totalizing or other counter is zeroized by displacement of a pair of pivotally mounted plates about the axis of the counter, a projection on one or other plate being thus caused to pick up a lug rigid with the numeral wheel and bring it to zero position. In the form shown in Fig. 1, the, plates 18, 19 pivoted to a crank arm 17 are shaped at 21 to co-operate with the spindle 14 so as to describe an arcuate path with respect thereto when the shaft 16 is rocked to draw the plates to the right. Each plate has a projection 20 to meet and entrain the lug 15 projecting from the wheel hub and bring it to the zero position as shown in Fig. 3. To prevent locking due to the lug being so placed as to be met by both projections, one of these extends in front of the other and they may be disposed to one side of the point diametrically opposite the zero position. In a modified form, the plates 18, 19 are guided by means of rollers running in cam slots in the partition plate. The invention is stated to be applicable . to the totalizing and revolutionscounters of a Monroe calculating-machine. The first construction being applied to the former counter and the second form to the latter. To raise the counter carriage 2, simultaneously with the operation of zeroizing, the shaft 16 has a cam 29, Fig. 7, to bear on member 30, and the shaft 34, Fig. 6, for zeroizing the revolutions-counters similarly raises the carriage through the cam 33 and intermediate member 39. A pawl 32 engaging the carriage serves to lock the drive while the carriage is raised. The two zeroizing-shafts 16, 34 may be oscillated from a pair of coaxial handles 35, 36, Fig. 5, geared respectively with the shafts, and full-stroke ratchets 31 (see Fig. 7) may be provided. Specifications 27231/12, 157,841, and 216,174 are referred to.
Patent GB-236369-A (GB)
Title: Improvements in bridles for brushes
IPC: A46B9/08
Filed: 1924-06-27
Abstract: 236,369. Beechwood, Ltd., and. Muskett, G. W. June 27, 1924. Bristles, bridles for.-A bridle A is adjustably secured in position on the bristles by means of metal strips B which are held frictionally by curled edges E, Fig. 1, or pockets F, Fig. 2, formed from pieces of metal secured to the stock or, as shown, to a band D surrounding the stock. In a modification the pockets F are on the inside of the band D.
Patent GB-612271-A (GB)
Title: Improvements in or relating to beta-halo acyl halides and method of producing the same
Filed: 1946-05-22
Abstract: b -Halo-acyl-halides are produced by treating a b -lactone with a halide or oxyhalide of phosphorus or sulphur containing at least two halogen atoms optionally in the presence of an inert solvent. b -Lactones used may be b -propiolactone which may be substituted with alkyl, aryl, alkaryl or aralkyl groups which themselves may be substituted with nitro, hydroxy, carboxy or amino groups. Specified b -lactones are b -butyrolactone, isobutyrolactone, b -isovalerolactone, a -dimethyl-propiolactone-b -carboxylic acid, trimethyl-propiolactone-a - and b -carboxylic acids, b -dimethyl-propiolactone-a -carboxylic acid, b -nitro-phenyl (o-, m- and p)-propiolactones, b -(o-nitro-p-isopropylphenyl)-propiolactone, b -(6-nitro-3-methoxyphenyl)-propiolactone and a -hydroxy-b -phenylpropiolactone.  Phosphorus and sulphur compounds specified are phosphorus trichloride, oxychloride, pentachloride and pentabromide and sulphuryl and thionyl chlorides.  In examples, b -chloropropionyl chloride is obtained from b -propiolactone by treatment with (1) thionyl chloride and (2) phosphorus pentachloride with carbon tetrachloride as solvent.
Patent GB-313295-A (GB)
Title: Improved method or process of and apparatus for manufacturing artificial stone, specially applicable to concrete tiles
IPC: B28B3/12
Filed: 1928-05-26
Abstract: 313,295. Abraham, Ltd., R., and Abraham, R. A. May 26, 1928. Rolling - machines ; reciprocating - mouldtable machines. -' A mould with a remov- 'able base, is charged with tile-forming concrete and then moved laterally under reciprocating rollers, finally being moved still further laterally to a dividing, colouring and delivering station. Figs. 1 and 9 show one construction in which the bottom of the mould rests upon supporting members a<2>, a<3>, Fig. 9, attached to the sides. An asbestos cement sheet is placed over the base and the concrete placed thereon. The charged mould is run under the roller frame B, Fig. 1, which is reciprocated by means of the axially-moving rod C, and is lowered into contact with the concrete by the toggle C<4> manipulated by the handle C<5>. A moisture-absorbing and pressure-evening canvas band E, attached to the roller frame, rests on the upper surface of the concrete without moving relatively to it during the rolling operation. After rolling, the mould base is raised and the base and tile removed laterally to the delivery station. The asbestos cement slut is used to support the tile during hardening, the mould sides and base being returned immediately to the charging end of the machine. Fig. 3 shows a modified construction in which the mould is raised relatively to the roller carriage b<8> by treadle mechanism G. The canvas band E in this case is stretched between two fixed supports c<2> and tensioned by a spring e<3>.
Patent GB-235399-A (GB)
Title: Improvements in motor driven sewing machines
IPC: D05B69/18
Filed: 1924-06-28
Abstract: 235,399. Singer Manufacturing Co., Ltd., and Corrall, H. June 28, 1924. Sewing-machines; driving.-An adjustable stop in the form of a wedge 10 is arranged to limit the movement in one direction of a spring- stressed actuating lever 3 which moves a rheostat arm 1. The arm 3 is moved by conneetions with a knee-shift lever 6. The wedge 10 carries a block 9 which may slide and be clamped in a slot in the cover-plate of the control mechanism. Specifications 185,024 and 186,798 are referred to.