baber/WOPTO huggingface dataset:
Patent GB-758717-A (GB)
Title: Improvements in or relating to machines organised for the treatment of sewn seams inflexible workpieces
IPC: A43D25/18
Filed: 1953-04-15
Abstract: A machine for applying flexible thermoplastic coating material to sewn seams in flexible workpieces such as the back seam in shoe uppers, has a receptacle in which the coating material is melted, a pump which circulates and extrudes it in a viscous state through a passage ending in a nozzle past which a workpiece is progressively carried by feed rolls which engage it on opposite sides of the seam and move it over a support, and a device responsive to the approach of a workpiece towards the nozzle to control the supply of coating material therethrough.  As shown, a workpiece W, comprising a pair of shoe quarters stitched together at S and everted, leaving a seam ridge R is supported on a stationary disc 10 and a supporting roll having freely rotatable frusto-conical side portions 12.  A guide 14 is received in the seam crease, and its end 15 engages a recess 17 in the disc 10 to prevent rotation thereof.  A grooved feeler 16 engages the upper W shortly in advance of a notched nozzle which extrudes coating material on the workpiece.  Feed rolls 22 stretch the workpiece over the supports 10, 12 and carry it past the nozzle.  The roll 10 is mounted on a pivot 51 in a spring-urged plunger 52 yieldably mounted in a carrier 54 which is secured to a plate pivoted in lugs 58 on a base 24, and lockable in operative position by a spring-pressed bolt 60.  The base 24 also carries standard 26 which supports extruding means E and a bracket 30 which supports the feed rolls 22 and gearing by which these are driven in the same direction by a shaft 42 which is driven through a sprocket and chain 44 by a power shaft 46 having fast and loose pulleys 48 and 50.  One of the feed rolls 22 is fixed axially, the other being spring-urged towards it.  The extruding means E includes a receptacle 100 provided with a thermostat-controlled <PICT:0758717/III/1> <PICT:0758717/III/2> <PICT:0758717/III/3> <PICT:0758717/III/4> heating unit 104.  A gear pump 94 is driven from the shaft 42 through a crossed belt 115, pulley 114, shaft 112, spiral gears and a vertical shaft 110, and its output is delivered under pressure determined by a thumb-piece 118 which controls a by-pass valve, to the passage 92 of the nozzle.  A valve 81 closed by a spring-loaded conical head 82 controls the flow of material to the nozzle.  The stem 84 of the valve-head 82 is connected by levers 122, 123, pinned to a shaft 128, to the core of a solenoid 120, which is energized on operation of a sensitive switch 156. This is effected by the feeler 16, the rod 140 on which it is mounted carrying an arm 144 connected by an adjustable link 148 to a bell-crank lever 150 positioned beneath the button 154 of the switch 156.  Movement of the feeler 16 by a workpiece thus causes supply of the coating material to the nozzle to be initiated before the workpiece reaches the latter, and to be cut off before the workpiece has passed from beneath it.  Specifications 404,647, [Group XV] and 707,407, are referred to.
Patent GB-118828-A (GB)
Title: Improvements in or relating to Electric Signalling Systems, more particularly for use in Mines.
IPC: B66B19/06
Filed: 1918-02-22
Abstract: 118,828. Automatic Telephone Manufacturing Co., and Remington, C. Feb. 22, 1918. Mine signalling systems; order apparatus.-In a mine signalling system, the " raise " and " stop " signals are separately controlled by the first controlling-impulse by providing one of the cancelling- relays of the system described in Specification 118,330 with an additional armature and contacts so arranged that the " raise " signal is energized when the winding-engine is at rest and the " stop " signal when the engine is in motion. In the arrangement shown, the " raise " signal LR and the stop " signal LS are controlled by the relay 5 and the additional armature 82 of a cancelling-relay 18. When the dynamo 20, driven by the winding-engine, is at rest, the relay 18 is de-energized and the armature 82 engages its back contact 81, so that when the relay 5 is energized, the " rise " signal LR is energized. When the dynamo 20 is in motion, the armature 82 engages its front contact, so that when the relay 5 is energized, the " stop " signal LS is energized.
Patent GB-694024-A (GB)
Title: Improvements in electric signal translating circuits employing semiconductor bodies
IPC: H03F3/387
Filed: 1949-04-19
Abstract: 694,024. Semi-conductor amplifiers; carrier transmission. WESTERN ELECTRIC CO., Inc. April 19, 1949 [April 21, 1948], No. 10341/49. Class 40 (iv). [Also in Group XL (c)] In a signal amplifier or modulator comprising a semi-conductor body having an emitter electrode 4, an absorber electrode 5 making rectifying contact with the body, and a control electrode 6 with input signal q, an alternating potential is applied to the absorber from a carrier source p so that absorber current flows alternately in reverse and forward direction and a condenser 19 in the absorber circuit charges during forward flow to self-bias the absorber. A modulated carrier at 22 or amplified input frequency q or both may be derived from the absorber circuit by transformer coupled filters. A sinusoidal carrier p gives maximum modulation output but a square-wave carrier with positive peaks of short duration separated by negative amplitude of longer duration may be used and gives greater signal frequency output. The control electrode 6 may simultaneously be biased by transformer coupling with the square or sinusoidal carrier source, short positive potentials on it intermittently being immaterial as the absorber is then forwardly conducting. The bias on the condenser 19 of the modulated stage may also be applied through decoupling chokes and condensers to signal input and modulation output amplifiers respectively. The signal amplifier and modulator may be located at a station remote from the carrier source having no self-contained power supply and connected to the latter by transmission line, Fig. 5 (not shown). Specification 694,021, relating to signal translating elements, and Specifications 632.942, [Group XL (c)], and 694,022, [Group XXXVI], concerning preparation of the germanium semi-conductor and Specification 694,025 relating to the provision of self-bias for the control electrode also are referred to.
Patent GB-565426-A (GB)
Title: Improvements in cam mechanism
IPC: F16H53/04
Filed: 1943-06-26
Abstract: 565,426. Cams. MAUDE, J. H. June 26, 1943, No. 10378. Drawings to Specification. [Class 80 (iii)] [Also in Group XXIX] The cam mechanism described in Specification 565,166 is claimed broadly. Canadian Specification 395,144 is referred to.
Patent GB-846925-A (GB)
Title: Work supports for welding or other operations on a workpiece
Inventor: LAWSON ROBERT
IPC: B23K37/04
Filed: 1957-03-29
Abstract: 846,925. Work-holders. BRITISH OXYGEN CO. Ltd. March 25, 1958 [March 29, 1957], No. 10410/57. Class 83 (3). In a support and manipulator for the automatic welding &c. of cylindrical work, the work is carried by pairs of rollers 4, Fig. 1, mounted in units 1, 2, movable along a track 3 by rollers 7, for adjustment, when the work is removed, but prevented from movement, when the work is in position, by the retraction of the rollers 7. In one form, each roller 7, Fig. 2, is on an axle 7a connected to a piston 12 in a cylinder 11. The piston 12 is connected by a screw 15 to a disc 18 supporting a resilient ring 10 of rubber &c., which is also engaged by an upper disc 19, abutting the cylinder 11 and engaged by an adjusting-screw 16 locked by a nut 17. The piston is prevented from rotating by a screw 13 and slot 14. In operation, the units 1, 2, are adjusted to the required distance apart, and the work 5 is then placed upon them. The weight of the work compresses the rings 10, thereby depressing the cylinders 11 so that they engage the track 3 and prevent subsequent movement of the units. On removal of the work, the units are again supported by the rollers 7 and may be moved on the track. The initial compression of the rings 10 is adjusted by the screws 16 to suit the weight of the work. In a modification, each roller 22, Figs. 3 and 4, has a compressible ring of rubber &c. 20, and is rotatable on an axle 23 secured in a cradle 25 pivoted at 28 in a frame 27 which constitutes the base of the unit 1 or 2. The initial protrusion of the roller from the unit, in the unloaded condition, is adjusted by a screw 30 in the frame 27. Brake-lining material may be secured to the part of the unit engaging the track to increase friction and help prevent movement of the unit.
Patent GB-493774-A (GB)
Title: Improvements in and relating to radiation-sensitive devices and associated apparatus such as for viewing objects radiating invisible radiation
IPC: G02B23/12
Filed: 1937-04-13
Abstract: 493,774. Electron image-transforming tubes. RICKETS, W. J., and RAWLINGS, A. L. April 13, 1937, No. 10499. [Classes 39 (i) and 40 (iii)] In electronic systems and apparatus for the transformation into visible images of invisible images formed on a radiation-sensitive or electron-emitting cathodic screen, means are provided for emitting radiation and forming on said screen an auxiliary datum image in a defined position in relation to the principal optical axis to enable the direction of vision to be definitely ascertained. Fig. 1 shows an electron image-transforming tube 1 comprising a cathode screen 2 and a luminescent screen 3, and an optical system 4 for projecting an infrared image on the cathode screen. An auxiliary optical system 4a is now provided comprising a lamp 5, a condenser 4e, a mask 4d having a cross slit, an objective 4c, and a mirror 4b for throwing on the screen 2 in the axis of the main optical system 4 an image of the cross slit of the mask 4d. This auxiliary datum image is useful in range finding. For example, as shown in Fig. 2, two electron cameras 6, 6a, each provided with an auxiliary datum device, are connected to a single cathode-ray tube 7 through electric couplings 8 and supplied with synchronized impulses from a time base 9 provided with adjusting means for bringing the two datum images into coincidence, after which the cameras are elevated and trained to follow an object by means of gears 10, 10a, 11, 11a, and the angular displacements are transmitted to a central range-plotting mechanism 12. In a modification, the visible image on the luminescent screen of two electron tubes reflected to a common eye-piece and the initial coincidence of the datum images are brought about by electrostatic or electromagnetic deflecting means for the electron beam. In still another modification, the mirror 4b of the auxiliary optical system is adjustable about two axes and the angular displacements indicated. The adjustability of the effective optical axis also enables the most sensitive part of the cathode screen to be selected for use. The electron tube may be cooled by a flow of liquid reasonably non- absorbent to the incident radiation, or by a diffused blast of air applied to the exterior of the radiation-sensitive wall to reduce or eliminate stray or threshold electron emission.
Patent GB-695119-A (GB)
Title: Improvements in drinking troughs or the like
Inventor: ALTON ALEC GEORGE BERESFORD
IPC: A01K7/04
Filed: 1950-04-28
Abstract: 695,119. Animal drinking-troughs. YORK PRECAST CONCRETE CO., Ltd. April 26, 1951 [April 28, 1950], No. 10505/50. Class 5(ii) The feed-water pipe 10 of a trough is enclosed within a recess 9 formed by a partition 8. The recess may extend only part of the way to the trough bottom. Transverse partitions 7 which do not extend to the trough bottom are situated on each side of the ball-valve 15. A removable cover for the pipe and valve compartments may' be provided.
Patent GB-552803-A (GB)
Title: An improved antiseptic particularly applicable as a mouth wash or cleaner for natural and artificial teeth
IPC: A61K8/20
Filed: 1941-07-21
Abstract: 552,803. Disinfectants. BRUCE, W. R. July 21, 1941, No. 10589/40. [Class 81 (i)] An antiseptic solution comprises sodium bicarbonate, calcium hypochlorite, and borax with the optional addition of one or more of sodium carbonate, magnesium carbonate and sodium chloride. The proportions employed are 16 to 40 parts by weight of sodium bicarbonate, 4 to 6 parts of calcium hypochlorite having 70 per cent. available chlorine and ¢ to 2 parts of borax to 100 parts of water.
Patent GB-106538-A (GB)
Abstract: 106,538. Lister, H. M., and Wright, E. June 6, 1916. Railway-carriage doors and the like, fastening automatically.-Cam-projections a on a disk A fixed to a carriage axle C engage recesses b in a sleeve B, which carries a fly-wheel B' and rotates on a bush D; the bush D is prevented from rotating by means of a rod (not shown), but can slide on the axle against the action of a spring (not shown) as far as a fixed stop P. When the train starts, the cam A rotating with the axle C compels the sleeve B to accompany it in its movement and simultaneously thrusts the sleeve laterally as far as the stop P, as shown in Fig. 3. This latecal movement of the sleeve B effects the rotation of a shaft H, Fig. 6, running the length of the coach, through a forked lever F, rod G, and crank K. The spring bolts of the doors are shot by means of levers connected to rods S adjustably secured in swivel rings R mounted on cranks M secured to the shaft H.
Patent GB-567853-A (GB)
Title: Improvements in hand-operated pumps
IPC: F04B9/14
Filed: 1943-07-01
Abstract: 567,853. Reciprocating pumps. PYRENE CO., Ltd., and ZIESCHANG, R. July 1, 1943, No. 10703. [Class 102 (i)] In a hand-operated doubleacting pump of the kind in which a piston 20 reciprocates in a cylinder 2 within a container 1 for the liquid, and in which the cylinder is provided with non-return inlet valves 13, 14 at both ends so that the pump can be used either way up, the piston is formed with one or more axial passages 28-30 and is fitted with a clack valve 22 on the side of the piston nearer the operating handle 9, whereby, at each stroke, a part of the liquid in front of the piston is expelled and the remainder passes through the passages to the rear of the piston. Preferably, the valve 22 is rigidly connected to a second clack valve 21 on the other side of the piston by means of rods 23 making a close sliding fit in axial passages in the piston. The latter is fitted with a sealing ring 27 of the kind described in Specification 494,397. The piston has end recesses 31, 32 co-operating with ports 33, 34 in the wall of the hollow pistonrod 6, and the passages 28-30 open into an annular groove 35. The valve 22 has a clearance 37 around a stop sleeve 36 on the piston-rod, and two axial passages 38 out of register with the passages 28-30, but in register with the groove 35. The valve 21, has a clearance 39 around the closed end 5 of the piston-rod, and two axial passages 40 out of register with the passages 28-30. It also has an annular projection 43 and a projection 42 aligned with the passage 30 so as to reduce the flow through the assembly, and therefore increase the amount of liquid expelled, during the inward stroke, in comparison with that during the outward stroke.
Patent GB-489058-A (GB)
Title: Improvements in or relating to weighing apparatus
IPC: G01G23/08
Filed: 1937-04-15
Abstract: 489,058. Vibration - dampers. BEST, C., and MOLINS MACHINE CO., Ltd. April 15, 1937, No. 10736. Addition to 431,478. [Class 108 (iii)] [Also in Groups XXXV and XI] A liquid, e.g. oil, in which moves a damping vane on the pointer of a weighing-apparatus, as in the parent Specification, is heated to a temperature in excess of the highest ambient temperature to which the apparatus may be subjected and maintained substantially at that temperature so that the viscosity of the liquid remains constant and the weigh beam always comes to rest in minimum time. The vane 10 is immersed in oil in a chamber 11, which is in communication with oil in a chamber 13 comprising a screw plunger 15 which enables the oil to be maintained in contact with a level indicator 17. These chambers are surrounded by an oil bath containing an electric resistance heater 18 wound on insulating pillars 19 between supporting elements 20, 21 held together by nuts or screwed bolts 22. The plate 20 supports a thermostat comprising a bimetallic element 25 carrying a contact member 26 co-operating with an adjustable contact member 27. The resistance is connected to terminals 23, 24 and the thermostat to terminals 31, 32. The terminals 31, 32 may be connected to a battery through the coil of a relay operating a switch in the supply circuit connected to the terminals 23, 24. Fig. 6 shows a modification whereby lamps 39, 43 may indicate a failure of the apparatus. The relay coil 33 when opening the circuit of the heating resistance 18 closes an alternative circuit through an equivalent resistance 42 whereby the lamp 39 which is in series with both resistances supervises this circuit. A failure of the relay resulting in excessive temperature is indicated by means of auxiliary contacts 45, 46 in series with the lamp 43 which are closed by excessive flexure of the bimetallic element 25. Specification 425,700, [Group XVIII], is referred to.
Patent GB-823952-A (GB)
Title: A conveyor system
IPC: B65G47/68
Filed: 1956-04-09
Abstract: 823,952. Endless-chain conveyers; screw conveyers. MEYER, G. L. N. April 9, 1956, No. 10752/56. Class 78 (1). In conveyers for feeding containers, e.g. bottles; at high speed to a washing or filling machine, the bottles 22 are brought to the machine at relatively slow speeds by endless conveyers 20, 21, are combined into a single row and accelerated by a pair of convergent screws 49, 50 of gradually increasing pitch and fed into the machine by a screw conveyer 78. The bottles are guided into engagement with the screws by bars 40, each of which is carried by an arm 41, Fig. 10, pivoted to a rod 43. Springs 45 tend to keep the bars in correct position. If the bottles become jammed, the bars are forced inwards and a microswitch 47 is closed to shut off the driving motor of the conveyers. The bars are continued by a tapered nose 80 which leads to a pair of spring steel plates 82, 83. These plates deliver the bottles to a flexible strip 85 of plastic, preferably Teflon, which urges the bottles into contact with the screws. At the point where the bottles leave the strip, a helical groove 87 is cut in the conveyer 49 between the sides of the groove 51 and a similar groove 87<SP>1</SP> is cut in the conveyer 50. These additional grooves control the bottles adjacent the junction of the screws. The bottles are held against the screw 78 by a pivoted guide 105.
Patent GB-623159-A (GB)
Title: Improvements relating to tensioning means for the tops of cycle saddles
IPC: B62J1/00
Filed: 1947-04-23
Abstract: 623,159. Saddles. BROOKS & CO., Ltd., J. B., and BISSELL, A. T. April 23, 1947, No. 10812. [Class 136 (iii)] In means for tensioning the tops of cycle saddles of the kind wherein a nose piece depending from the top is movable by means such as a screw bolt passing through a shackle on the saddle underframe, the nose piece is slidably supported upon side pieces of the shackle. The metal nose piece 3 riveted to the saddle peak is supported by the side pieces 13 of a shackle 10 connected to the underframe 2, the screw 6 passing through holes in the vertical parts of the shackle. Tensioning is effected by a nut 7 bearing against part of the shackle. The screw 6 may be secured at the peak end by a projection 14 on the shoulder 11 which abuts into a flange 3b of the nose piece.
Patent GB-1190465-A (GB)
Title: Improvements in or relating to Non-Return Valves.
IPC: F16K15/02
Filed: 1968-03-08
Abstract: 1,190,465. Valves. GRUNDFOS A.S. 8 March, 1966 [9 March, 1967], No. 10846/68. Heading F2V. A non-return valve has a disc-shaped valve body 7 co-operating with a circular seat 5 and guided by surfaces 23 on bent plates 13 which are bent to form radial parts 14 and central parts 15 that face each other and are retained by a resilient holder 16 of drawn plate with depending sides 18. Webs 19, 20 on the holder engage the edges of the guide plates to hold them with the outer surfaces of the radial parts against the tubular housing 1. The valve body 7 has a stem 24 guided with clearance in a tubular portion of the holder and may be biased towards its seat by a spring 26. The central parts 15 of the guides have top opening depressions 22 to facilitate dismantling.
Patent GB-1503595-A (GB)
Title: Blood oxygenators
IPC: B01D19/02
Filed: 1975-03-17
Abstract: 1503595 Combined blood oxygenator - heat exchanger BELLCO SpA 17 March 1975 [25 March 1974] 10951/75 Heading A5R [Also in Division B1] A disposable, preferably transparent combined blood oxygenator-heat exchanger comprises an annular oxygenation chamber 2 wherein the blood introduced via port 4 and the oxygen introduced via diffuser 5 mix at the upstream end of a circumferentially extending sinusoidal path defined by alternate upstanding and depending baffles 3. The downstream end of the path is blanked off by a full baffle 3a so that the oxygenated blood rises via duct 6 for downward passage via chamber 7 through a defoaming material 8a held within blood permeable bag 8b inside upper container 9. The oxygenated blood then passes via an annular space 13 defined between the inner surface of the chamber 2 and the outer surface of an axial hollow heat exchanger tube 12 to a second defoaming bag 16 in a lower container 11. The annular space 13 includes a helical baffle 14 and the heat exchanger which is filled with liquid permeable material, extends through the lower defoaming bag 16. The oxygenated blood diffuses through the bag and exits via port 17. Undissolved oxygen is vented from upper and lower containers 9, 11 via a connecting tube 40 and an upper, vented top closure (not shown). Untreated blood may be introduced directly to defoaming bag 8 via ports 30 to by-pass the oxygenation chamber. Adjacent upstanding baffles have small, lower apertures 3b to prevent blood stagnation and the downstream end of the sinusoidal path has a small radial aperture in the inner surface of the annular chamber 2 to ensure complete emptying. Heat exchange liquid passes to and from the exchanger 12 via ports 21, 22.
Patent GB-582056-A (GB)
Title: Improvements in wire meshwork for conveyor belting
IPC: B65G15/54
Filed: 1944-06-08
Abstract: 582,056. Wire fabrics. BOOTH, J. H. June 8, 1944, No. 10963. [Class 45] [Also in Group XXX] Conveyer belting comprises a meshwork formed from flattened helices of flattened section wire each helix being directly interlinked with its neighbouring flattened helix and disposed across the width of the belting, the major cross-sectional dimension of the wire extending generally axially thereof. The cross-section of the wire is preferably rectangular and at the interlinking parts a wedging action obtains which it is stated prevents lateral contraction of the belt. Adjacent sections of belting 13, 14 may be wound in opposite relation to prevent transverse creep of the belt.
Patent GB-136451-A (GB)
Title: Improvements in Speed Indicators.
Inventor: BERRY RALPH
IPC: G01P11/02
Filed: 1919-05-03
Abstract: 136,451. Berry, R. May 3, 1919. Differential speed indicators.-Apparatus for indicating the mean speed of two rotors, e.g. turbines, comprises a pair of speed indicators, preferably of the screw and friction-wheel type as described in Specification 135,418, and a lever engaging at each of its ends a traversing member of these indicators and carried by a slide connected with a pointer. The friction disks driven at constant speed are arranged at right-angles, and the pin 7 on each friction-wheel nut is embraced by the slotted end of a lever 11 pivotally mounted on a slide 12. A pin on this slide engages a helically grooved cylinder which carries the mean speed pointer.