baber/WOPTO huggingface dataset:
Patent GB-191512-A (GB)
Title: Improvements in sheet-delivery mechanism of printing machines
IPC: B65H29/04
Filed: 1921-10-28
Abstract: 191,512. Linotype & Machinery, Ltd., Bugler, A. V., and Delafons, T. E. Oct. 28, 1921. Delivery apparatus.-The gripper shafts of endless-chain delivery mechanism for printing- machines are secured to the chains in such manner as to be readily adjustable in a direction longitudinally thereof so that alterations of the position of the grippers due to stretching or contraction of the chains can be corrected. The shafts 4, 5, carrying respectively the grippers and gripper pads, are supported by plates 6 adjustably secured to brackets 7 rigid with the delivery chains 1. A rib on the plate G engages a groove 11 in the bracket, on which are provided screw studs 8 passing through slots 9 in the plate 6. In the modification, Fig. 4, the adjustment is effected by nuts 15 on either side of a yoke 13 integral with an arm 14 on the bracket 7, and nuts engaging a screw stud 12 secured to the plate 6. A scale 16 and pointer 17 indicate the amount of the adjustment.
Patent GB-1210996-A (GB)
Title: Multi-copy transfer set
IPC: B41M5/124
Filed: 1969-06-06
Abstract: 1,210,996. Wax coating compositions. GUNTHER WAGNER PELIKAN-WERKE. 6 June, 1969 [22 June, 1968], No. 28738/69. Heading C5W. [Also in Divisions C3 and D2] A wax coating composition comprises (Example 3) esterified wax of montanic acid, chloroparaffin and 3-methyl-spiro-dipyran.
Patent GB-492844-A (GB)
Title: Improvements in cooking and heating apparatus burning solid fuel
IPC: F24B1/24
Filed: 1937-10-21
Abstract: 492,844. Stoves for cooking, heating, &c. SVENSKA AKTIEBOLAGET GASACCUMULATOR. Oct. 21, 1937, No. 28740. Convention date, Nov. 6, 1936. [Class 126] In a cooking or heating stove or boiler in which solid fuel is fed from a hopper or fuel magazine 7 into a combustion chamber 2 with a grate 3 at the bottom, and in which the level of incandescence of the fuel rises and falls with the heat output of the stove, one or more heat-conductive members 10, which are small in at least one horizontal direction relatively to their height, so as not to interfere with the flow of fuel, extend into the combustion chamber immediately above the level of incandescence of the fuel at normal output and hence into the burning fuel when the level of incandescence rises to any level above normal. In the cooking stove shown, the heat-conductive members 10 are two diametrical flanges on the fuel magazine 7, the top part 8 of which forms the hot-plate of the stove. In another form, the heatconductive member is a beam across the combustion chamber below the hopper. This beam conducts heat to the walls of the combustion chamber, and may be divided into two parts separated by an expansion space. There may be more than one beam. The heat-transmitting members may be tubes or hollow bodies, so that the heat transmission is made through a gaseous or liquid medium instead of by metallic conduction.
Patent GB-912840-A (GB)
Title: Improvements relating to a retaining device for growing plants
IPC: A01G9/12
Filed: 1959-08-21
Abstract: 912,840. Plant supports. HOPKINS, F. V. Aug. 17, 1960 [Aug. 21, 1959], No. 28746/59. Class 6(2). A plant support comprises a head 1 of galvanised iron wire having internally screwthreaded members 6 welded to its rim. Support legs 2 are screwed into the members 6. The device may be coated with a synthetic resin. According to the Provisional Specification the support legs may be welded to the rim or be a friction fit in holes in the rim, and the head may be of synthetic resin in which case the legs engage in recesses in its rim.
Patent GB-626136-A (GB)
Title: Improvements in or relating to time base circuits for oscillographs
IPC: H03K4/20
Filed: 1946-09-27
Abstract: 626,136. Sawtooth generating and frequency dividing circuits. STANDARD TELEPHONES & CABLES, Ltd., and MOODY, N. F. Sept. 27, 1946, No. 28962. [Class 40 (vi)] The invention relates to a circuit of the type described in Specification 587,364 employing a plurality of multi-electrode valves, the potentials of which pass through a cycle in response to a pulse and then revert to a quiescent condition, in which the pulse causes a linear fall of anode potential of the first valve and in which a second valve controls the return of the circuit to its quiescent condition. The circuit is made selfrunning by providing means for deriving the trigger pulse from the first valve. In the quiescent state valve 1 conducts, the grid potential being held near earth due to diode 21 conducting, valve 2 being cut off at the screen grid due to the coupling over neon 26 to the anode of valve 1. A negative triggering pulse, applied over diode 45, cuts off valve 1, the rise in anode potential causing the screen potential of valve 2 to rise so that valve 2 conducts. The anode potential of valve 2 falls abruptly, followed by a linear run-down due to capacitor 30 connected between anode and grid. The abrupt fall is also fed over capacitor 29 to maintain valve 1 cut-off, the grid potential being limited by biassed diode 22 conducting. When the run-down of anode potential ceases, the abrupt rise is fed over potentiometer 43 to unblock valve 3, the fall in anode potential feeding a negative pulse over diode 45 to retrigger the valve pair 1, 2. Diodes 31, 32 limit the positive-going excursions of the anodes of valves 1, 2 and diode 45 prevents the positive-going pulse, caused by valve 3 conducting during the run-down of valve 2, from being fed to valve 1. Synchronizing and frequency dividing. A periodic or pulse wave form, fed to valve 4, is applied to amplifier valve 5, the network 53, 54 allowing the phase of the periodic waveform to be varied. Due to the diode 59, a negativegoing waveform appears at the suppressor of valve 3 so that when the valve pair 1, 2 returns to its quiescent state, the rise in grid potential of valve 3 is ineffective until the synchronizing waveform allows the suppressor grid to return to near earth potential, whereupon valve 3 conducts to generate the triggering pulse. Since the valve is cut off at the commencement of the active period, further synchronizing pulses are ineffective until the end of the period is reached so that the circuit may operate at a submultiple of the input frequency.
Patent GB-979199-A (GB)
Title: Artificial trilobal textile filaments
Inventor: MCKINNEY ALFRED HENDERSON
IPC: D01D5/253
Filed: 1963-07-22
Abstract: 979,199. Trilobal artificial filaments. E. I. DU PONT DE NEMOURS & CO. July 22, 1963, No. 29013/63. Heading B5B. A textile filament of a synthetic polymer having an essentially uniform cross-section along its length and having a cross-section consisting of three integrally joined, substantially symmetrical and symmetrically disposed lobes of similar size and shape, the lobes having a " tip radius ratio " and an " arm angle " within the range represented by the area LNVX on Fig. 2 a " straight side ratio " within the range represented by the area SUCZ in Fig. 3 and a " modification ratio " from 1.9 to 4.0 may be produced by spinning, particularly melt-spinning, the polymer through a generally Y-shaped orifice (which may have the shape shown in Fig. 4) under conditions such that a filament having the desired cross-section is produced. The conditions selected include the melt or solution temperature, the quenching conditions, and the viscosity of the melt or solution being extruded, depending upon the particular polymer used. This may be a polyamide, a polyester, a polyhydrocarbon, or a polyurethane. Examples are furnished of the melt spinning of polyamides and polyethylene terephthalate, the extruded filaments in all cases being quenched with a current of air. The " tip radius ratio  is defined as the ratio of the tip radius r 1  of a lobe (Fig. 1) to the radius R of a circle a having a centre C circumscribed about the tips b of the lobes. The " arm or lobe angle " A is defined as the angle formed by projecting the straight portions d-e and d<SP>1</SP>-e<SP>1</SP> of each lobe. The " straight side ratio " is defined as the ratio of the length f of the portion d-e to R. The "modification ratio" is the ratio of the radius R to the radius R<SP>1</SP>. The filaments of the invention have subdued lustre and also good covering power and resistance to soiling without the necessity of adding delustrants to the polymer. Specifications 576,647, 905,895, 905,896, 924,087, 924,090, Belgian Specification 549,179 and U.S.A. Specification 2,945,739 are referred to.
Patent GB-1032475-A (GB)
Title: Improvements in or relating to fencing, safety barriers or the like
Inventor: HALL JOHN
IPC: E04H17/16
Filed: 1964-07-15
Abstract: 1,032,475. Wire fabric. BRITISH REINFORCED CONCRETE ENGINEERING CO. Ltd. July 15, 1964, No.29033/64. Heading D1K.Also in Division E1]  A fencing panel of electrically-welded steel mesh has its top and/or bottom edge turned back upon itself to form a roll 2 of triangular, circular, square or rectangular cross-section. The free edge of the roll may be welded to the main portion. The panel may be stiffened by welding or clipping a horizontal row of interconnected V-shaped wires, Fig. 5 (not shown) half-way up the panel. Adjacent panels are secured to tubular posts 8 by bolts and clips, Fig. 3 (not shown).
Patent GB-340490-A (GB)
Title: Improvements in or relating to stands for plates and the like
IPC: A47F5/04
Filed: 1929-09-25
Abstract: 340,490. Display stands. GERHOLD, A., 103, Southgate Road, Barnsbury, London. Sept. 25, 1929, Nos. 29068 and 31506. [Class 52 (v).] A display &c. stand for plates consists of a pedestal 3, which may be in two or more sections rotatably connected, rotatably or non-rotatably supported upon a base 5 and provided with a number of non-rotatable clips 7 to support plates 11. The upright may consist of four posts arranged at the corners of a square. The clips 7, as shown in Fig. 3, consist of a U-shaped spring metal strip with a fixing screw hole 9 and a spike 10 to prevent rotation of the clip. In a modification the base of the clip may be bent to form a pair of lugs each with a hole for a fixing screw. In a further modification shown in Fig. 6 each clip is in two parts 8 each with a screw hole 14 and spike 10. Parts 12 of the clip may be covered with rubber &c.
Patent GB-695139-A (GB)
Title: Improvements in or relating to glazing bars
IPC: E04D3/08
Filed: 1950-11-28
Abstract: 695,139. Glazing roofs. WILLIAMS & WILLIAMS, Ltd., and WILLIAMS, J, FOX-. Nov. 28, 1951 [Nov. 28, 1950], No. 29136/50. Class 20(iii) A glazing-bar assembly comprises a girder member A having abutments A3 for the glass B and provided with ribs or shoulders A4 forming the upper sides of grooves A5 in which are received the beaded lower ends C3 of resilient cover strips C which pass between the ends of the glass and the web A and are provided with beaded upper ends C4 engaging the glass.
Patent GB-705971-A (GB)
Title: Process for making hollow bodies from fusible plastic materials
IPC: B29C43/00
Filed: 1951-12-12
Abstract: 705,971. Balls for games. CARLSON, C. V. Dec. 12, 1951, No. 29144/51. Class 132(2) [Also in Group V] A practice golf ball is made of light, elastic material by moulding a pair of thin, hollow hemispheres 10 from a thermoplastic, e.g. polyethylene, and joining them (see Group V). The hemisphere are perforated at 10a.
Patent GB-441679-A (GB)
Title: Improvements in and relating to apparatus for producing short electro-magnetic waves by means of electric discharge valves
IPC: H01J19/78
Filed: 1934-07-17
Abstract: 441,679. Thermionic valve oscillation generators. HAUSSER, F. I., 24, Blumenthalstrasse, Heidelberg, Germany. July 17, 1934, No. 29154/35. Convention date, July 17, 1933. Divided out of 441,341. [Classes 39 (i) and 40 (v)] In a short-wave dynatron oscillation generator, the grid at a high positive potential is screened from electrons flowing from the cathode by a screening electrode preferably at a negative potential. As shown, the screening electrode or grid consists of trough-shaped bars 8 of semicircular, U- or V-cross-section, the open ends being turned towards the wires or bars of the positive grid 3. The anode 5 is at a lower positive potential than the grid 3, and is connected with it through an oscillatory circuit 6, 7. The electrodes are arranged concentrically, the cathode filaments being mounted in the gaps between the bars of the screening grid. An alternating potential in phase with that of the positive grid may be applied to the screening grid, for example, by means of a parallel wire circuit between the screening grid and the cathode, and a similar circuit may be connected between the positive grid and the cathode.
Patent GB-648039-A (GB)
Title: Improvements in or relating to cooking utensils
IPC: A47J27/082
Filed: 1948-11-10
Abstract: 648,039. Partitions of cooking-vessels. NATIONAL PRESSURE COOKER CO. (ENGLAND), Ltd. (National Pressure Cooker Co.). Nov. 10, 1948, No. 29253. [Class 66] A pressure-cooker is partitioned by plates 1 adjustably assembled on a screwed rod 3 passing through a false bottom 5, a collar 8, which may have serrations 10 to lock the plates 1, being held down by a nut or knob 9.
Patent GB-414125-A (GB)
Title: Apparatus to prevent unauthorised driving of motorcars or other vehicles of transport
IPC: B60R25/04
Filed: 1933-11-20
Abstract: 414,125. Theft-indicating attachments associated with door locks. GRAHAM, J. E., 6, Park View, Teddington, Middlesex. Nov. 20, 1933, No. 29266/32. [Class 79 (iii).] Means for indicating unauthorized occupancy of a vehicle is associated with the lock of the vehicle door or doors. As shown, the display device 23 is mounted within a casing 23<1> from which it may be swung outwardly in semaphore fashion into the display position, this act operating bolts 27 to lock the doors ; similar bolts may simultaneously be operated on the other side if desired through the action of connecting rods. Alternatively, the act of locking the doors may operate the display device. According to modifications, the display device may be controlled by a combination lock, and may obscure the driver's view when in the operative position.
Patent GB-753820-A (GB)
Title: Improvements in sewing machine mechanisms
IPC: H01H51/32
Filed: 1954-10-11
Abstract: 753,820. Sewing-machines. PFAFF, AKT.- GES., G. M. Oct. 11, 1954 [Nov. 6, 1953], No. 29276/54. Class 112. Needles, shifting laterally.-In a zig-zag sewing-machine with a manual control member for the width of the stitching, means acting on this member for automatically varying the stitch width are provided, comprising a cam actuated by a pawl-and-ratchet wheel; the automatic control means may be built into the machine or added as an attachment, and may be put out of action when desired. The cam may be driven at different speeds and may be readily replaced by a cam giving a different stitching pattern. In the arrangement shown, the automatic mechanism is mounted on a plate 12 closing an inspection aperture in the rear wall of the machine arm, the plate 12 carrying brackets 14, 24 and 57 for the various parts. Slidable in a guide-block 15 passing through the plate 12 is a bar 16 which has at its inner end a roller for engagement with an oscillating member of the needle-shifting mechanism, whereby the bar 16 is reciprocated in time with the needle shifts; the bar is urged inwardly by a spring 19, and can be held in its outermost position to render the mechanism ineffective, by a spring- pressed pin 71 in the block 15 (normally held retracted) engaging a notch in the bar 16. The outer end of the bar 16 extends laterally to engage a forked end of a lever 20 pivoted on the bracket 14, and the other end of this lever carries a pivoted spring-pressed pawl 40 for engagement with a ratchet-wheel 31 on a stud 25 rotatably mounted in the bracket 24. A meshing member 45 formed by a flange on a member 30 free on the stud 25 is adjustable to allow the pawl to engage the ratchet-wheel for one, two, or three tooth pitches in each stroke, and is held in the required position by a hook 47 engaging holes 50 in the bracket 24 ; a pawl 42 pivoted on the bracket 24 prevents reverse motion of the ratchet-wheel 31. Rotating with the ratchet-wheel is a removable cam 34 engaged by a pin carried by one arm of a lever 52, 55 which passes under the arm of the machine and is pivoted on the bracket 57; the front end of the lever is disconnectibly engaged with the manual control member for the stitch width, so that movement of the lever by the cam causes corresponding adjustment of the control member. The parts 52, 55 of the lever have vertical limbs which are slidably connected together and are normally held in operative position by a spring catch; when this catch is released the part 52 can be moved upwards to carry its follower clear of the cam 34 to allow removal of the latter.
Patent GB-445579-A (GB)
Title: Improvements in and relating to electric discharge devices
IPC: H01J5/24
Filed: 1934-10-12
Abstract: 445,579. Discharge devices. BRITISH THOMSON - HOUSTON CO., Ltd., Crown House, Aldwych, London, and SCOTT, W. J., 10, Rainsbrook Avenue, Rugby. Oct. 12, 1934, No. 29280. Drawings to Specification. [Class 39 (i)] A discharge device, such as a lamp, is formed by sealing a flare into the end of the tubular portion of the device by the drop seal method, and then sealing the electrode assembly therein by means of a pinch formed in the end of the flare by a stem-making machine. Electrode assemblies may be sealed into both ends of the tube.
Patent GB-165704-A (GB)
Title: Improvements relating to the support of motor cycle side cars
IPC: B62K27/06
Filed: 1920-04-01
Abstract: 165,704. Underwood Patent Side Car Proprietary, Ltd., and Underwood, J. W. April 1, 1920. Springs, arrangement of.-In a spring suspension of the type described in Specifications 150,741 and 152,614 in which a side-car body is resiliently mounted on arms 9, 13 pivoted to the body and connected respectively to the side-car wheel and the motor-cycle frame, the arms 9, 13 are connected by the resilient control means in the form of a transversely-disposed laminated spring 107 secured to a block 17 on the side-car body 6. The outer ends of the spring 107 are connected by shackles 106 and links 105 to brackets 21 adjustable along the arms 9, 13 and secured by means of clamps 22 as described in Specification 152,614, while the block 17 is adjustable longitudinally of the body 6 by the use of bolts and slots. By reversing the brackets 21, the links 105 may be dispensed with.
Patent GB-798179-A (GB)
Title: Improvements in or relating to actuating mechanism for doors
IPC: E05F15/12
Filed: 1953-10-26
Abstract: 798,179. Door-operating appliances. MORLEY, R. E. Oct. 26, 1954 [Oct. 26, 1953], No. 29481/53. Class 65(1) Doors are opened and closed by adjustable length links 49 connected to a slide 28 on a tube 12. The tube 12 houses one run of an endless roller chain 19 driven by a reversible motor 23 controlled by limit and reversing switch 25 actuated by an arm 26 engaged by pusher 54 adjustable on the slide or by member 53 on the door link 49. The motor is started by an outside push switch and the circuit held by movement of switch 25. The slide 28 is yieldinly clamped to the chain 19 by a spring pressed clamp 33. A releasing lever 46 actuated by a pull cord 48 is also provided.
Patent GB-305504-A (GB)
Title: Improvements in or relating to golf balls
IPC: A63B37/00
Filed: 1927-11-04
Abstract: 305,504. Dunlop Rubber Co., Ltd., and Hyde, A. W. T. Nov. 4, 1927. Drawings to Specification. Balls. - The core or filling of a golf ball is composed of rubber tubing wound under tension so as to expel the contained air. The tubing need not be of constant cross section but may vary so as to produce a series of concentric shells.
Patent GB-360594-A (GB)
Title: Improvements in or relating to feed water heaters and other tubular heat exchangers
IPC: F22D1/32
Filed: 1931-02-12
Abstract: 360,594. Heating feedwater ; concentric tubular heat exchangers. DIAMOND, W. J.. 24, Syr Davids Avenue, Cardiff. Feb. 12, 1931, No. 29577/30. [Classes 64 (i) and 64 (iii). ] In a feedwater heater, steam condenser, or similar tubular heat exchanger, in which one of the media passes through an annular space between tubes m, c and the other passes through tubes m, and around tubes c in two streams flowing in the same direction, two separate inlets d, r, connected by a valve-controlled conduit ware provided so that media from different sources or of different pressures may be passed through tubes m and around tubes c in countercurrent to the flow of the medium of the annular space.
Patent GB-992963-A (GB)
Title: Semiconductor devices
IPC: H01L21/00
Filed: 1961-08-16
Abstract: 992,963. Semi-conductor devices. WESTERN ELECTRIC CO. Inc. Aug. 16, 1961 [Jan. 16, 1961], No. 29585/61. Heading H1K. A semi-conductor device comprises a first member 12 of semi-conductive material having a mesa 14 including a PN junction, a second member 11 of semi-conductive material having one face in contact with the mesa and an insulating ring 13 sealed between the members so that the mesa is totally enclosed. Fig. 2 shows the method of assembly. A slice of N-type silicon is subjected to heat diffusion treatment to introduce a P-type impurity such as boron to form the PN junction 15. This surface is then plated as well as the surfaces 18, 19, first by electroless deposition of nickel and then by evaporation depositing gold, for forming the eventual contact 17. Then a plurality of mesas is formed by selective etching or ultrasonic cutting. The individual wafers 12 are then formed from the slice by either etching or ultrasonic cutting. The cap member is formed similarly but without the diffusion treatment. The glass ring is then heat sealed to the cap 11 and wafer 12 either by separate operations or simultaneously. During the heating the gold surfaces 16, 17 touch and become intimately bonded. As shown the cap 11 is also formed with a mesa 20, to reduce interelectrode capacity. This mesa is omitted in a large area power diode, Fig. 3 (not shown), in which the diode is of the PIN type produced e.g. by diffusing phosphorus and boron into opposite sides of a silicon layer. In a further embodiment the mesa includes a PNPN junction, Fig. 4 (not shown). In a further embodiment, Fig. 5, a PN junction 56, 57 is included between a lower mesa 54 carrying a PN junction and an upper mesa 58 carrying a further PN junction oppositely poled to the other two and of different impurity concentration gradient whereby the last junction provides temperature compensation. In a further embodiment, Fig. 6 (not shown), the glass ring encircles two oppositely poled diodes arranged in parallel. In a further embodiment, Figs. 7, 8, 9 (not shown), a multiple diode array is formed by a plurality mesas on a common wafer each surrounded by its ring, a further wafer being then arranged to contact all the mesas and glass rings and heat sealed, the further wafer then being selectively etched to provide individual electrodes for each diode. The invention may be applied also to germanium and intermetallic compounds of elements of Group III and V. Specifications 818,419 and 944,943 are referred to.
Patent GB-864016-A (GB)
Title: Improvements in or relating to radio frequency feeders
Inventor: GLOVER JOHN JEKEN
IPC: H01B11/18
Filed: 1958-09-17
Abstract: 864,016. Cables. RADIO HEATERS Ltd. Sept. 7, 1959 [Sept. 17, 1958], No. 29779/58. Class 36. A radio frequency feeder consists of an outer screening duct &c. 2, e.g. of aluminium, and an inner strip conductor 3, e.g. of copper, spaced from the duct by two tubes 4 and 5 of low-loss material, e.g. polythene, each tube being longitudinally split and the margins of the conductor inserted therein, the tubes extending along the whole length of the conductor. The outer duct may be formed of a channel 1, flanged and spotwelded to cover-plate 2.