baber/WOPTO huggingface dataset:
Patent GB-413545-A (GB)
Title: Improvements in and relating to violins and violas
IPC: G10D3/18
Filed: 1933-11-10
Abstract: 413,545. Shoulder - rests for violins or violas. ESSMANN, F., 3, Elbberg, Dresden, Germany. Nov. 10, 1933, No. 31373. [Class 88 (ii).] A violin or viola shoulder-rest comprises a leather plate 3 engaging the back of the instrument, a rubber plate 1, studded with pyramidal projections 2, engaging the shoulder, and an intermediate layer 4 secured to both plates by an adhesive or by vulcanization. The leather plate 3 increases in thickness towards one end and the rubber-plate 1 has a smooth part 5 for engagement with the clamp 7 of the usual chin-rest 8, which serves to secure the shoulder-rest to the instrument.
Patent GB-729784-A (GB)
Title: Improvements in and relating to rotary chamber mills
IPC: B02C17/14
Filed: 1952-12-11
Abstract: 729,784. Ball &c. mills. LIMB, F. Nov. 27, 1953 [Dec. 11, 1952], No. 31374/52. Class 59. The mill chamber of a ball or like mill has a closed spherical, or similarly continuously curved, surface arranged to be driven about one axis of rotation relatively to a chamber-carrying member which is itself arranged to be driven simultaneously about a second axis of rotation relatively to a fixed support, the two axes of rotation crossing obliquely within the chamber. In the form shown, the spherical mill chamber 10 is mounted to rotate about an axis C-D in a ring 3 which is itself mounted to rotate in a fixed frame 2 about an axis A-B. A gearwheel 8 fast on the lower trunnion 9 of the chamber 10 is geared directly or indirectly to a gear-wheel 7 fixed on the frame 2, and the ring 3 is rotated by means of a motor-driven belt passing round a pulley 14. The trunnion journals 9, 11 of the mill chamber are hollow and serve for charging and discharging purposes, the journals being closed by plugs 15, 16. Lifter bars may be provided in the mill chamber which may be jacketed for cooling. The mill chamber may be in the form of an oblate spheroid. According to the Provisional Specification, the axes of rotation of the mill chamber may be perpendicular to each other.
Patent GB-382090-A (GB)
Title: Improvements in or relating to high potential electric switches with protective casings
IPC: H02B13/02
Filed: 1931-11-12
Abstract: 382,090. Switchgear structures. SIEMENS - SCHUCKERTWERKE AKT.- GES., Siemensstadt, Berlin. Nov. 12, 1931, No. 31388. Convention date, March 5. [Class 38 (v).] An expansion switch such as described in Specification 354,890 is withdrawably arranged in a protective casing, and connected up through isolating contacts arranged within the casing. The switch is carried by U-shaped rails 11, 12 mounted on a removable cover 10, and when the switch is inserted in its casing 2, the rails 11, 12 slide in guides formed by a frame 13, which may rotate on rollers 15 about the longitudinal axis of the casing, so that after the switch is inserted it is rotated, and isolating contacts 17 engage contacts on the leading-in insulators 16. To remove the switch, the cover 10 is unbolted and rotated to isolate the switch, and a catch 20 on the frame 13 engages a spring-tensioned pawl 19, so that the switch may be withdrawn. A handle 21 is provided for releasing the pawl 19, when the switch is again inserted. In a modification, the rails 11, 12 are joined at their ends to form a frame carrying rollers which run in the fixed guides until the longitudinal movement of the switch is completed, when they are freed from the guides, and the switch may be rotated to close the isolating contacts. This rotary movement is made to close a bayonet-joint between the cover 10 and the casing 2.
Patent GB-1277951-A (GB)
Title: Packaging machine
IPC: B65B1/02
Filed: 1969-06-20
Abstract: 1277951 Packaging machine UNION CAMP CORP 20 June 1969 [21 June 1968] 31391/69 Heading B8C A packaging machine, for use with wrappers of the kind having window pockets of transparent synthetic plastics material, in which the machine has a transport mechanism 30 for simultaneously picking up one card 36 having one or more transparent windows 42 from a stack 16 and transporting it to a heater 32 for heating thereby while picking up an already heated card from the heater and transporting it to an indexing mechanism 34 wherein the heated card is moved sequentially through a series of steps at which further operations are performed on the card to convert it into a completed package. As shown, each card 36 is formed with a pair of apertures 40 covered with transparent plastics material and is moved from the stack 16 on to the heater 32 and from the heater to the indexing mechanism 34 by pairs of suction cups 86, 86 carried on crank-arms 66, 68, which are partially rotated, first in one direction and then in the other direction by a connecting chain 54 driven by an hydraulic piston-andcylinder 48, 50, 52. The indexing mechanism 34 comprises a rotatable disc 104 carrying four forming dies 106. The heated card is deposited on the first die 106 where the windows are drawn in cavities 108 by suction, the disc is rotated through 90 degrees in the counterclockwise direction adjacent a loading station 113 where an article is loaded into the outermost cavity 108 and the card is folded over to enclose the article, the disc is rotated through a further 90 degrees to a position beneath a dielectric sealing press 114 and the disc is rotated through a final 90 degrees to a take-off mechanism comprising pairs of suction members 121 carried by an arm 119 operated through gearing 116, 117 simultaneously with the arms 66, 68. The operation of the suction cups 86 and 121 and the movements of the disc 104 are automatically controlled by hydraulic means described in detail with reference to Figs. 4 and 5 (not shown).
Patent GB-1399601-A (GB)
Title: Harvesting machines
IPC: A01F7/06
Filed: 1971-07-06
Abstract: 1399601 Axial flow harvesters CLAYSON NV 30 June 1972 [6 July 1971 21 Sept 1971] 31576/71 and 43973/71 Heading A1F An axial flow harvesting machine as described in Specification 1399602 has a threshing and separating mechanism which comprises a concave cooperable with a rotor, having a generally cylindrical body portion and at least one threshing member, and a casing in which the rotor is mounted. The or each threshing member comprises a replaceable rasp bar extending parallel to the longitudinal axis of the rotor. The mechanism can have a threshing and a separating section which also has a rotor and at least one separating member and in the preferred embodiment a common rotor is provided for the threshing and separating members may extend spirally around the respective rotor body portions so as to move the crop axially. A fluid means, preferably an auger, is detachably mounted on the mechanism, for feeding crop thereto, so that it can be readily replaced when worn. Fins may be provided on the inner surface of the rotor casing to assist the axial transport of crop. A means for limiting the air flow through the casing may be provided. In a first embodiment (Figs 3 and 7) the rotor comprises two stub axles 103, 104, and internal frames 111, 115, 122 to which surface plates 118-121 are bolted to form a selfsupporting body 134 having elongated maintenance apertures 123 covered by removeable panels 125. A detachable feed auger 192 is connected to the front of the body 134 and has a tapering front end and auger flights 140 corresponding in number to the threshing members 141. The threshing section 119 has two diagonally opposed replaceable rasps 147 each formed in two independently detachable sections, extending parallel to the rotors axis and where serrations are inclined such they impart rearward axial movement to the crop. Additional rasps 147 may be fitted therebetween. The separating section 120 has separating members 155 and a number of spiral shaped fins 160 are arranged on the inner surface of the casing 75 in the threshing and separating sections 119, 120. Alternatively (Fig 9) the threshing and separating members extend spirally around the rotor with a larger pitch than the feed auger and the fins need not be provided. Radially extending or frusto-conical discs may be secured to the body 134, preferably in the separation section 121 so as to extend between the separating elements 155, whereby the flow of air axially in the casings 57 is restricted and deflected through the concaves. Reference has been directed by the comptroller to Specifications 1292678, 1292679 and 1292680.
Patent GB-442796-A (GB)
Title: Mechanism for printing dates and the like on labels
IPC: B41K3/04
Filed: 1934-11-03
Abstract: 442,796. Printing-machines. FLOWER, J. W., Eclipse Works, Wimborne, Dorset. Nov. 3,1934, No. 31038. [Class 100 (ii)] A platen printing-device for use in connection with a machine for applying labels to containers is described in connection with the labelling- machine set forth in Specification 442,248, [Group XV], and comprises a type holder 1 mounted on an arm 2 which is oscillated between an inking-pad 26 and the bottom of the label pile, and is also given reciprocating movements which are substantially perpendicular to the plane of oscillation of the arm and which serve to ink the holder and print a date &c. on a label for each operation of the labelling-machine. The oscillating movements are effected from an oscillating shaft 37, which forms part of the machine described in the Specification referred to above, by means of an arm 7 having a pin- and-slot connection 6 with a universal joint 5 connected by a pull-rod 4 and a second joint 5 with a pivotal connection to a projecting finger 10 on a square shaft 3 to which the arm 2 is connected. The shaft 3 is carried by a bush 13 in which it can slide axially and the bush 13 and shaft 3 rotate in unison, the bush being mounted in a bearing 12 carried by brackets on the labelling-machine. The axial movements of the shaft 3 are effected by a cam 15 with projections 17 which depress a roller 18 twice for each operation of the machine and by means of a rod 19 and lever 21, 24 raise the type-holder 1 to effect the inking and printing operations respectively, a spring 28 returning the parts to normal position. The oscillating movements of the bush are controlled by a restraining device, such as a friction pad, acting to prevent a too-free rotation of the bush.
Patent GB-193515-A (GB)
Title: Improvements in and relating to systems of illumination employing artificial light
IPC: F21Y101/00
Filed: 1921-11-26
Abstract: 193,515. Nuthall, S. Nov, 26, 1921. Lighting, systems of.-In a system of indirect lighting for football grounds, tennis courts &c. and for indoor lighting, the source of light is mounted in a hemispherical reflector 18 arranged adjacent to and at the centre of the bottom surface 9 of a diffuser 5 comprising a plane diffusing surface a to which are detachably secured at suitable angles a top surface 7 and side surfaces 8, the surface 9 being also detachable from the surface a. The diffuser is adjustably mounted by hooks 17 on bars 12 having lugs 13 through which pins are passed into holes 15 on uprights 16. The reflector 18 is also adjustably mounted on an upright 20 which is braced to the uprights 16 by rods 19. The diffuser is mounted on the supports 16, 19 at such a height that the bottom diffusing surface is not less than six or seven feet above the level of the ground or playing surface, and is preferably constructed of a wooden framing with canvas &c. stretched thereon and painted white. When used with tennis courts, the diffusers are arranged on extensions of the base lines so that the centre of the plane surface a of each diffuser is at a distance of 14 feet from the edge of the court and at an angle of 128‹ to the base line. Smaller diffusers may be also arranged one on each side of an extension of the net line and in line with the larger diffusers. In a modification for illuminating two tennis courts side by side, a single diffuser, Fig. 8, consisting of two surfaces 21 at angle of 120‹ and two endsurfaces at an angle of 140‹, is adjustably mounted on four supports, the reflector 18 with the source of light being mounted on one support below the diffuser. The apparatus may also be used for illuminating indoor courts or halls or for scenic or studio lighting.
Patent GB-425248-A (GB)
Title: Improvements in or relating to machines for the production of bricks, roofing-tiles and the like
IPC: B28B11/06
Filed: 1933-11-14
Abstract: 425,248. Coating tiles &c. with sand &c. POWEL, W. S., 152, Canterbury Road, Croydon. Nov. 14, 1933, No. 31767. [Class 87 (ii)] In a machine for producing bricks, tiles, &c., a sprinkling box for colour, sand, &c., is so mounted that it has an equilibrium position from which it may be swung down in either direction into contact with rigid abutments, the box having a smooth reciprocatory motion imparted to it by means which have a certain amount of lost motion so that the final movement of the box against the abutments takes place under the action of its own unbalanced weight. The box 1 is mounted on pivoted links 3 over the rails 2 of a tile machine. Abutments 6 are adjustably fitted to the rails 2 by bolts and slots 8 and are adapted to engage stop pins 9 on the box. The box is rocked past its equilibrium position by an oscillating crank arm 13 acting through a rod 12 and bracket 11. The rod 12 has spaced nuts 14 and 15 so as to allow for a certain degree of lost motion during the oscillation of the crank. The bottom of the box is covered by a fine grid and the arm 13 is synchronized with the feed for the tiles so that the box is jolted each time a tile passes beneath it.
Patent GB-209066-A (GB)
Title: Apparatus for mechanically effecting the tipping of trucks and the like
IPC: B65G67/00
Filed: 1923-12-18
Abstract: 209,066. Leroux, P. E. Dec. 26, 1922, [Convention date]. Void [Published under Sect. 91 of the Act]. Drawings to Specification. Rotary tipplers.-The apparatus is the same as that described in Specification 209,045.
Patent GB-446758-A (GB)
Title: Apparatus for concentrating and refrigerating liquids
IPC: F25B1/06
Filed: 1934-11-05
Abstract: 446,758. Refrigerating. LEMALE, P. C., 7, Rue D'Argenteuil, Paris. Nov. 5, 1934, No. 31785. [Class 29] Vacuum systems.-In a system comprising an evaporator D down which the liquid to be cooled falls in a shower to be extracted by a pump D<4> disposed directly beneath the liquid outlet of the evaporator, and in which the vacuum is produced by an air condenser ejector A combined with a steam ejector B, the pump is provided with a non-return valve F and a cock G for regulating the delivery from the pump. The liquid supply to the evaporator is also regulated by a cock H. The shower of liquid in the evaporator is surrounded by a cylindrical partition D<1> and in a modification, the evaporator may be sub-divided into upper and lower chamber each fitted with perforated plates D<2> and cylindrical partitions. Two steam ejectors may be used in parallel each communicating with the chambers of the evaporator and combined with a single air condenser ejector. The steam ejectors may also be arranged in series.
Patent GB-536959-A (GB)
Title: Screw connections
IPC: H05B3/30
Filed: 1939-12-08
Abstract: 536,959. Locking &c. coils. CAMINEZ, H. Dec. 8, 1939, No. 31797. Convention date, Dec. 20, 1938. Addition to 497,309. Drawing to Specification. [Class 89 (i)] Bolt and nut members according to the parent Specification have the diameters of the threads and the wire coil so selected that, on screwing up the bolt wedges the wire into the thread of the nut. The coil may be of stainless or austenitic steel, hard drawn bronze, nickel and high nickel alloys and may be plated with cadmium, zinc or chromium to avoid corroding the nut. The coil when of hard drawn wire may be chromium plated on the inner side only. The lands between the grooves in the bolt and nut members may be arranged to fit closely and the corners may be rounded to provide space for metal deformed from the coil. The first or entering turn of the coil is of reduced diameter and is provided with a tang to facilitate insertion and the coil is notched at a point remote from this end to enable the tang and leading end to be broken off after insertion of the coil. The trailing end of the wire may be tapered to facilitate insertion of the bolt. The invention is particularly applicable for securing sparking plugs in aluminium and like cylinders.
Patent GB-341551-A (GB)
Title: Improvements in inflatable rubber bodies
IPC: A63B39/04
Filed: 1929-10-19
Abstract: 341,551. Tennis balls and other inflatable rubber bodies. WILLIAMS, L. E., 82, Farringdon Street, London, and JAMES, G. E., Norfolk Works, Upper Bristol Road, Bath. Oct. 19, 1929, No. 31840. [Class 132 (ii).] Inflatable rubber bodies such as tennis balls are provided with inflating plugs composed of superimposed portions A, C of vulcanized rubber and portions B of less vulcanized rubber, and the plugs protrude into and form part of the outer walls E of the balls. A sleeve D of rubber, which becomes comparatively highly vulcanized when the ball is vulcanized, encloses the portions A, B, C, or the portions B, C only. A projection F protruding into the cloth cover H indicates the position of the plug. In the form shown in Fig. 3, a portion of the unvulcanized rubber B protrudes through the shell to indicate the position of the plug. Specification 328,080, [Class 132 (ii), Games], is referred to.
Patent GB-1326985-A (GB)
Title: Process for synthesizing long-chain aliphatic primary  alpha-omega diamines and products prepared thereby
IPC: C07C211/09
Filed: 1971-07-07
Abstract: 1326985 Aliphatic diamines AQUITAINE TOTAL ORGANICO 7 July 1971 [9 July 1970] 31934/71 Heading C2C The invention comprises aliphatic primary α,#-diamines of the formula  wherein n is 20 to 25 and a process for synthesizing a mixture of an aliphatic primary α,#- diamines and a salt thereof having a chain of 16 to 30 C atoms, comprising reacting a stoichiometric excess of liquid NH 3  at a pressure above atmospheric with an α,#-alkyl dihalide having a chain of 16 to 30 C atoms in the presence of a diluting agent which is a solvent for the dihalide but which does not dissolve the salt of the diamine product; the process being carried out with stirring at such a temperature that mixing of the phases in the reaction mixture is encouraged. The reaction mixture comprising diamine and salt thereof may be further treated with a strong base to liberate the free amine. The diluting agent is preferably an aromatic hydrocarbon, an alkane or a cycloalkane and is preferably added in a quantity sufficient to ensure complete dissolution of the alkyl dihalide therein. The reaction may be carried out at 50-120‹ C., preferably 110‹ C., and the molar ratio of ammonia to alkyl dihalide is preferably from 20 : 1 to 200 : 1. The examples describe the preparations of: 1,20-diamino-neicosane; 1,21 - diamino - n - heneicosane; 1,22 - diamino - n - docosane; 1,23 - diaminon - tricosane; 1,24 - diamino - n - tetracosane; and 1,25-diamino-n-pentacosane.
Patent GB-1164539-A (GB)
Title: Triacetyl Cellulose Resin Films
IPC: G03C1/795
Filed: 1967-07-12
Abstract: 1,164,539. Cellulose triacetate-polyurethane composition. FUJI SHASHIN FILM K.K. 12 July, 1967 [13 July, 1966], No. 32036/67. Headings C3F and C3R. A composition, suitable for casting films, comprises a methylene chloride solution of cellulose triacetate containing more than 58% by weight of combined acetic acid, and a methylene chloride soluble polyurethane resin. Suitably less than 200 pts. by wt. of the polyurethane are present per 100 pts. of triacetate. As plasticizer, dimethylterephthalate may be present.
Patent GB-398674-A (GB)
Title: Improvements in or relating to pieces for playing card games
IPC: A63F1/02
Filed: 1932-11-12
Abstract: 398,674. Playing-cards. MACBRIDE, C. C. 26, Coval Road, East Sheen, London. Nov. 12, 1932, No. 32060. [Class 132 (ii).] Pieces for playing-card games are moulded from a phenolformaldehyde condensation product or similar material such as casein, substantially in the form of a parallelepipedon a similar to a domino, having two opposite faces recessed so as to present upstanding protective edges e, the denomination indications being printed on a sheet of suitable material c secured in one of the recesses by a waterproof adhesive. The inner surfaces of the edges e may be bevelled so as to avoid the formation of re-entrant corners. The pictures, pips or any ornamentation on the back may be applied by roughening the base of the recess so as to afford a better grip for the adhesive.
Patent GB-1083808-A (GB)
Title: Improvements in and relating to piston-type compressors
IPC: F16K15/02
Filed: 1965-07-28
Abstract: 1, 083, 808. Compressor valves. E. NIEDER MAYER. July 28, 1965 [Aug. 21, 1964], No.32182/65. Heading F1N. [Also in Division F2] A piston compressor, comprises a cylinder 11 and a cylinder head 13 having disposed therebetween a valve plate 14 provided with a plurality of bores into which are pressed individual valves 1 to form a ring of delivery valves communicating with a delivery chamber 15 and an inner circular area of suction valves communicating with a suction chamber 16. The suction and delivery chambers are formed in the head 13 and are separated by a rippled web 17. Each valve 1 (see Division F2) comprises a housing pressed into its respective bore up to a hexagonal flange thereon and a domed circular seating member adapted to coact with a seating formed in the housing. The valves acting as delivery valves are pressed into the valve plate from above and those acting as suction valves from below.
Patent GB-1270348-A (GB)
Title: Improvements in lightweight turbomachinery blading
IPC: F01D5/28
Filed: 1970-07-02
Abstract: 1,270,348. Compressor or like blades. GENERAL ELECTRIC CO. July 2, 1970 [Sept. 29, 1969], No.32207/70. Addition to 1, 231, 077. Heading F1T. In a modification of the compressor or like turbomachine blade described in Parent Specification wherein a metal skin 20 surrounds and is bonded to a central core 18 of substantially longitudinally extending bonded fibres 18, the fibre layers are alternately angled by up to plus or minus 10 degrees from the longitudinal direction.
Patent GB-274715-A (GB)
Title: Improvements in paper cutting machine
IPC: B26D7/01
Filed: 1926-12-20
Abstract: 274,715. Mulroney, J. E. Dec. 20, 1926. Guillotine machines. - A paper cutting machine with a knife 4 reciprocated by pitmen 8 from a motor 10 has a fixed side gauge 24 on which can slide a cross-gauge 25 for positioning the material. A finger 32 on the gauge 25 successively engages stops 36, 37, 38 axially and angularly adjustable on a shaft 39, intermittently rotated by ratchet mechanism from the knife operating means. A detent 60 engaging the ratchet wheel on the shaft 39 is lifted at the end of a traverse of the gauge 25 by a pin adjustable in holes in the ratchet wheel.
Patent GB-676028-A (GB)
Title: Improvements in or relating to the marking out of tennis courts and the like
IPC: A63C19/06
Filed: 1949-12-15
Abstract: 676,028. Marking tennis courts. LYSAGHT'S BRISTOL WORKS, Ltd., J., and OLIVER, W. Dec. 13, 1950 [Dec. 15, 1949], No. 32256/49. Class 3(ii) A length of tape α for marking out tennis courts has recessed holes b for securing members c and is adapted to be joined to adjacent lengths by lap joints e. This tape is preferably of galvanized steel and the holes b may be staggered if desired.