baber/WOPTO huggingface dataset:
Patent GB-655643-A (GB)
Title: An improved trawl device
IPC: A01K73/02
Filed: 1948-07-24
Abstract: 655,643. Fishing. BALDERSHEIM, E. July 24, 1948, No. 19868. [A Specification was laid open to inspection under Sect. 91 of the Acts, May 30, 1949.] [Class 48] A trawl net has a detachable cod-end 3, which may be hauled independently of the net, and means for guiding a folded replacement cod-end into position at the rear of the net body. The cod-end is hauled by a line 9 and the replacement cod-ends are slid down a guide line 8 extending from the ship to the rear of the net body and connected to the net head-rope. After reaching a specific depth or passing the head-rope the cod-end is permitted to unfold and is released from the guide line. The back of the net is fitted with kites 5, 13, and the belly of the net is spaced from the bobbins. The rear of the net body may have a bag of large mesh which encloses the cod-end. The bag has a combined float and kite which is arranged to give increased lift as the cod-end becomes filled with fish.
Patent GB-744160-A (GB)
Title: A control arrangement for electric motors
IPC: H02P3/26
Filed: 1953-07-17
Abstract: 744,160. Automatic speed control systems. LICENTIA PATENT-VERWALTUNGS, GES. July 17, 1953 [July 17, 1952; Dec. 1, 1952], No. 19886/53. Class 38 (4). [Also in Group XXXVII] A three-phase induction motor 1 for driving a hoist is coupled to an electromagneticallyreleased disc brake 5 which is capable of slipping, the brake being fully released when a switch 7 is positioned to energize the brake coil 5 from the mains R, S, T, through a transformer 9 and rectifier 8. The brake coil is energized through a transformer 11 and rectifier 10 from the sliprings of the motor when the switch 7 is in its alternative position, so that the braking-force increases or decreases in accordance with the speed of the motor. The energizing current of the brake is adjusted by a regulating resistor 13, the motor speed being maintained at a value dependent upon the setting of this resistor.
Patent GB-371228-A (GB)
Title: Improvements in or relating to radio receivers
IPC: H03G3/26
Filed: 1931-07-10
Abstract: 371,228. Valve amplifying circuits. MARCONI'S WIRELESS TELEGRAPH CO., Ltd., Marconi House, Strand, London. -(Assignees of Beers, G. L. ; 4743, Lafayette Avenue, Merchantville, New Jersey, U.S.A.) July 10, 1931, No. 19903. Convention date, Aug. 15, 1930. [Class 40 (v).] A radio receiver having automatic volume control and automatic means for rendering inoperative the signal reproducer is characterized by the provision of a common potentiometer to give grid bias and plate potentials for the whole receiver. The Figure shows a superheterodyne receiver in which the output from the second detector 1 is applied to a low-frequency amplifier 7 feeding an output circuit such as a loudspeaker 27. In parallel with the detector 1 is connected a volume control valve 3 having a resistance 19 in its anode circuit whereby the grid bias of a preceding high-frequency amplifier 5 is varied in accordance with signal strength. The output from the control valve 3 is applied to a suppressor valve 8, the output circuit of which includes the windings of a relay 21, the contacts of which are arranged to short-circuit the utilization circuit 27; alternatively the contacts may open the loud-speaker circuit or the loud-speaker field-winding or the plate or filament supply to the amplifier 7. The grid bias of the control valve 3 is adjusted at 29 so that with no signal, no current flows in resistance 19. The grid of the suppressor valve 8 then assumes a potential depending on the positions of tapping 31 and connection of 19 to the potentiometer 17, and with no incoming signal, the anode current through 21 is just sufficient to maintain contacts 22 closed. In order to provide for varying signal-noise ratio, the suppresser valve may be dispensed with and the relay 21 connected in the anode circuit of the high-frequency valve 5 the relay winding being shunted by a resistance connected to a variable tapping on potentiometer 17 so that the relay may be adjusted to operate at different values of anode current or signal strength, Fig. 2 (not shown), Specification 372,155 is referred to.
Patent GB-632734-A (GB)
Title: Improvements in or relating to the casting of metals
IPC: C10C3/14
Filed: 1947-07-24
Abstract: 632,734. Mould materials. MIDLAND TAR DISTILLERS, Ltd., and DAVIES, E. B. July 24, 1947, No. 19938. [Class 83 (i)] A sand mould in which molten metal is to be cast is made from sand mixed with 0.5 to 5 per cent of atomized pitch. The use of this mixture for cores is excluded.
Patent GB-421744-A (GB)
Title: Improvements relating to electrically driven clocks
IPC: G04C15/00
Filed: 1933-07-14
Abstract: 421,744. Electric clocks. GENT & CO., Ltd., St. Saviour's Road (East), and SWIFT, R., 17, The Circle, Crown Hills, both in Leicester. July 14, 1933, No. 19996. [Class 139] An electric clock has an A.C. synchronous driving motor and also a D.C. driving motor having the speed-torque characteristic of a D.C. series motor, this D.C. driving motor taking over the drive of the clock when the A.C. supply fails. The A.C. synchronous motor consists of coil 5, laminated field system 3, toothed poles 13 and toothed rotor 15 on shaft 26, the energized field magnet attracting an armature 40 on lever 38 pivoted at 39 and having at the lower end an ebonite pin 41, which holds contact blades 28 away from toothed wheel 27 on shaft 26. The D.C. motor consists of coil 16, laminated field system 4, toothed poles 23, toothed rotor 25 which is mounted on shaft 26 by a pin and slot lostmotion connection, and a variable resistance 19 ; a dry battery or accumulator being connected at 20. When the A.C. supply fails, armature 40 falls away and blade 28 meets wheel 27 to complete the circuit of coil 16. The D.C. motor receives intermittent impulses as the teeth of wheel 27 wipe past the blade 28, the tension of the latter being adjustable. This tension and the resistance 19, are adjusted so that the speed of the D.C. motor is slightly above that of the A.C. motor so that the latter may fall into step readily when the A.C. supply is resumed.
Patent GB-454683-A (GB)
Title: Improvements in or relating to laminated springs
IPC: B60G11/113
Filed: 1935-07-13
Abstract: 454,683. Laminated springs. WOODHEAD & SONS, Ltd., J., Kirkstall Road, and SANDERS, T. H., 77, Cowper Street, both in Leeds. July 13, 1935, No. 20056. [Class 108 (ii)] An axle attachment for a laminated spring includes one or more adjustable wedge devices arranged transversely of the spring either between the spring and its hoop or equivalent or between groups of the spring plates, so that any slackness in the attachment may be taken up by adjustment of the wedge or wedges. As shown in Fig. 1, the spring 5 is embraced by a hoop 2 having legs 3 passing through and secured to the axle 4 and a transversely-arranged wedge 6 is inserted between the upper end of the hoop and the inclined face of a block 7 and has a stud 8 protruding through a hole in one side of the hoop to receive a nut 9 by which the wedge can be moved to take up any slack between the hoop and the spring or axle. In a modification, the hoop is replaced by an upper clamping- plate and side bolts, the wedge being disposed between the inclined under-surface of the plate and the top leaf of the spring, while the stud 8 passes through a side bearing-block. In a further construction, the hoop is a plain band and seats in lugs on top of the axle-box and a pair of wedges are used to take up slack. The invention is also shown applied to a spring of the " multiplex " type such as described in Specification 407,497, the wedge being inserted between the two spring portions.
Patent GB-571959-A (GB)
Title: A thermally operated electric switch suitable for fire detection
IPC: G01K3/12
Filed: 1943-12-01
Abstract: 571,959. Thermal switches. WRIGHT, E. Dec. 1, 1943, No. 20057. [Class 38 (v)] Thermal switches responsive to sudden temperature - changes but not to gradual changes until the latter become excessive, comprise concentric tubes A, B of the same coefficient of expansion, fixed to a lower disc C and' carrying respective upper discs D, C. A contact plate H is carried by upper disc c and a spring is placed between it and disc D, the companion contact K being slidable in the upper disc C and adjustable by a knob and pointer on the rod E. The latter is fixed to disc D and slidable in lower disc C, and has a restricting disc F adjustable by nuts. On a sudden temperature-rise, B expands more than A and the plate H at length contacts with K. If the rise is gradual, however, both tubes expand evenly until at 100‹F., say, A is arrested by the disc F engaging the lower disc C but the tube B continues to expand and makes the circuit. In a modification (not shown), the rod and restricting device are dispensed with, the inner tube having at one end a disc-contact apertured to receive the stem of a conical contact adjustably carried by the outer tube.
Patent GB-358049-A (GB)
Title: Improvements in speed indicators
IPC: G01P3/12
Filed: 1930-07-02
Abstract: 358,049. Impulse and momentum speed indicators. SOC. SUISSE D'HORLOGERIE FABRIQUE DE MONTILIER, Montilier, Switzerland.-(Assignees of Helfer, A. G. ; 8, Rue de la TerrassiÞre, Geneva, Switzerland.) July 2, 1930, No. 20073. Convention date, July 4, 1929. [Class 106 (iii).] A pointer m controlled by spring u is secured to the worm wheel i and receives impulses to rotate it through an angle proportional to the speed to be measured through the worm elements g, h fixed to the connecting-rod d having a slot e engaging with the pin f secured to the speedometer casing and having a collar c surrounding an eccentric b secured to the shaft a rotating at a speed proportional to that to be measured. The spindle of the pointer m is in two parts j, l, the part j being fixed to the wheel i and having secured to it the disc n carrying the rod k extending into the part l secured to the pointer and also carrying the pin p engaging in a recess q of the disc o with sufficient play to prevent the pointer m being affected by small variations in speed. The disc o carries a pin r which can engage with a pin s to prevent the pointer from returning beyond its initial position. The several elements are held together by the parts t, v and the plate w. Instead of worms and worm wheel i toothed racks and a spur wheel may be employed.
Patent GB-446052-A (GB)
Title: An improved windscreen wiper motor
IPC: B60S1/10
Filed: 1935-07-15
Abstract: 446,052. Windscreen cleaners. NEWTON, R. W., 126, Cromwell Street, Collingwood, near Melbourne, Australia. July 15, 1935, No. 20149. Convention date, Sept. 4, 1934. [Class 138 (i)] [See also Group XXVI] A windscreen-wiper motor comprises a casing divided into separate chambers by a movable member to which is attached a rod adapted to operate a wiper arm, the rod having snap-over valve mechanism mounted thereon which is actuated during the movement of the rod by means on the casing to control ports leading to the chambers and to a source of vacuum, thereby permitting the withdrawal of air alternately from each side of the movable member. In the construction shown, a casing 5 is divided into two sections 6, 7, by a flexible member 8 connected to a rod 10 which is formed with a rack 12 to engage a pinion carried by the wiper shaft 14. The rod is formed with three conduits 20, 23, 25, leading to three ports in a valve seat 15. The central port 16 communicates with a flexible tube 22 leading to a source of suction. The conduit 23 communicates with the chamber 6 and the conduit 25 with the chamber 7. A slide valve 28 is mounted above the valve seat 15 and is recessed to cover at one time the central port 16 and one of the side ports 17, 18. The valve is connected to an element 34 which is pivotally mounted on a stamping 30 secured to the rod 10. Rotary movement of the element in both directions is limited by stops 38. A stop 41 is provided on the element 34 for engagement with the ends of a bifurcated element 42 which is also pivotally mounted on the stamping 30 and is provided with a roller 47. A spring 51 is connected to rollers 50, one of which is mounted on the pivot pin 36 of the element 34, the other being mounted on the roller 47. The roller 47 is adapted to be engaged by an arm 56 on a fixed member 55 and by a slidably-mounted cam 58. The roller 47 engages the surface 68 of the. cam when the wiper is inoperative. To start the motor, the cam is pulled by means of a cord 66, against the action of a spring 70, so that the roller 47 rides up the surface 65 and engages the horizontal surface 62. The valve mechanism is thereby caused to snap over, so that the elements 34 and 42 are in the relative positions shown in Fig. 1. The valve 28 is then in position covering ports 16 and 18, so that suction is applied to the chamber 7 causing the rod 10 to move upwardly. Towards the end of its movement the roller 47 is engaged by the arm 56, as shown in Fig. 1, whereby the valve mechanism is snapped over to connect the suction to chamber 6, the rod 10 then commencing to descend. The rod reciprocates while the cord 66 is held in the pulled position. On release of the cord the spring 70 withdraws the enlarged portion of the cam away from the path of the roller 47, which is therefore not obstructed on the downward movement of the rod 10, and no further movement of the rod takes place. The mechanism comes to rest with the wiper parked in position clear of the field of vision. Specification 421,339 is referred to.
Patent GB-215237-A (GB)
Title: Improvements in and relating to apparatus for the treatment of sewage and the like liquids
IPC: C02F3/28
Filed: 1923-02-15
Abstract: 215,237. Girard, A. Feb. 15, 1923. Plant.-Liquid from a septic tank 15 passes through a pipe 1 and a tank 4, filled with mould on which grass or vegetables are grown. The mould rests on a. layer of stones 14 which extends over the outlet of the pipe 1. A shed is provided to prevent rain from entering the tank. The septic tank is divided into three compartments by partitions having apertures 10, 11, and gas is discharged into the atmosphere by pipes 2, 3.
Patent GB-1193808-A (GB)
Title: A Pipe Joint
IPC: F16L17/067
Filed: 1969-04-21
Abstract: 1,193,808. Pipe joints. ORENSTEIN & KOPPEL A.G. 21 April, 1969 [19 April, 1968], No. 20334/69. Heading F2G. An annular, elastic sealing lip 7a disposed between flanges 2, 4 of pipes 1, 3 is secured, as by a clamping ring 8 to the flange 4 and is spaced from the surface 10 of the flange 2, the arrangement being such that occurrence of more than a certain pressure differential in a predetermined direction between the interior and exterior of the pipes presses the lip into sealing contact with the surface 10. To prevent the lip being held against the surface 5 of the flange 4 by suction a recess 12 is provided in the flange 4 and to which fluid penetrates. In modifications, (a) the lip 7a is disposed at the outer periphery of the flange 4 and, to prevent the lip being held against the flange, the latter has holes therethrough; and (b) there are two coaxial lips integrally connected and disposed at the inner and outer peripheries of the flange 4, and inner and outer recesses 12.
Patent GB-232157-A (GB)
Title: Improvements in lubricators
IPC: F16N7/24
Filed: 1924-08-28
Abstract: 232,157. Oelwerke Stern-Sonneborn Akt.-Ges., and Duffing, G. April 14, 1924, [Convention date]. Oil, retaining.-According to the Specification, as open to inspection under Sect. 91 (3) (a), draining rings and strippers for returning oil are made of horn, artificial horn made of casein and casein substitutes, or phenol artificial resin with paper, fibrous or fabric fillings or insertions. In the latter case, paper insertions saturated with the resin are superposed in layers to a sufficient thickness and pressed together under high pressure. The ring &c. may consist entirely of such a hornlike material, or may consist of a metallic body surfaced with the hornlike material. This subject-matter does not appear in the Specification as accepted.
Patent GB-784011-A (GB)
Title: Seat or saddle of a vehicle, having an adjustable resilient suspension
IPC: B62J1/04
Filed: 1955-07-14
Abstract: 784,011. Saddles and seats. BOURGOIS, J. July 14, 1955, No. 20399/55. Classes 136(1) and 136(3) In a vehicle seat or saddle having a resilient suspension constituted by a deformable block 16, a supporting wedge 14 is movable between one position (Fig. 3) in which it is vertically below the point at which the load acts on the block, giving a stiff suspension attained by compression and another position (Fig. 1) in which it is offset from this point giving a soft suspension, attained by deflection. In an intermediate position of the wedge the block is stressed simultaneously by deflection and compression. The wedge is slidably mounted in a box 1, the side walls 2 of which form webs 3 to which a saddle mounting clip 6 is riveted. Eyelets 4 are formed at the front of the side walls 2 and support an axle 7 on which the frame 8 of the saddle is pivoted. This frame includes a cross member 9 carrying a plate 10 which bears upon the block 16. Two lateral jaws 12 of the frame 8 are connected by a bridge 13. A cross member 11 is fixed between the jaws 12 and abuts on the front face of the block 16 to prevent rebound movement of the saddle. The wedge 14 is moved by means of a screw 15. The flexibility of the block 16 may be increased by holes or slots. Ribs 29 may also be provided on the face of the block which corresponds to the piece 10 or the wedge 14. The block 16 may be replaced by a system of springs having an equivalent function. Alternatively the block may rest on a fixed support wedge, the piece 10 which transmits the load to the block being adjustable in the longitudinal direction on the cross member 9. In a modification shown in Figs. 6 and 7 the seat may be adjusted by the user while riding. The block 16 is fixed between the webs 2 by bolts 17. The movable wedge 14 is formed by a stump of U-section sliding with its winds on the bottom 18 of the box. A lever 21 is pivoted at 20 to a bracket 19 fixed to a web 2. The lever passes through an aperture 23 provided in each web 2. Another stump 24 of U-section is placed under the wedge 14. The stump 24 has upwardly directed legs which engage in a circular aperture 25 in the wedge 14. The legs are cut out to allow the passage of the lever 21. The lever 21 engages in one of a series of notches 26 in the left hand side web 2. The cross member 11 is attached to the block 16 and its ends are freely engaged in two recesses 28 in fittings 27 attached to the longitudinal members 8. To effect the adjustment the lever 21 is moved upwardly to disengage itself from the recess 26. The lever is then turned about the pivot 20 to move it along the aperture 23 and into engagement with the notch 26 corresponding to the selected adjustment. The wedge support 14 is caried along by the U-piece 24.
Patent GB-721037-A (GB)
Title: Improvements in and relating to apparatus for degasifying or deaerating water, particularly boiler feed water
IPC: C02F1/20
Filed: 1953-07-22
Abstract: <PICT:0721037/III/1> In apparatus for removing air or gas from water, particularly boiler feed water, comprising a vessel 1 containing the water being degasified, means for withdrawing degasified water from the vessel, and a sprinkler for introducing water to be degasified into the top of the vessel, the sprinkler consists of a cylinder 3 having in its circumferential wall spray holes 6 the flow area of which is controlled by a piston 7 which is subjected directly to the pressure of the water supplied through 5, and unmasks in its uppermost position the smallest flow area.  Adjustable spring 10 tends to raise the piston against the water pressure.  Steam may be introduced below the surface of the water in the vessel 1 and gas escapes through perforated tube 14 arranged above the water screen formed by the sprinkler.  The spray holes are staggered with respect to each other in the vertical direction.
Patent GB-1310460-A (GB)
Title: Surgical dressing for burns and like wounds
IPC: A61F2/10
Filed: 1971-04-19
Abstract: 1310460 Laminates PARKE DAVIS & CO 19 April 1971 [28 Jan 1970] 20421/71 Heading B5N [Also in Division A5] A surgical dressing for application to burns, comprises a layer of reticulated open cell foam material and a mutually secured co-extensive gas-permeable backing sheet which is impermeable to liquids and to bacteria. In use, the layer of foam is placed against the surface of the burn and liquid exudate and debris are absorbed into the foam, and retained thereby the liquid impermeable backing sheet. The layer of foam is thin enough, preferably about <SP>1</SP>/ 16  inch, to maintain all the liquid exudate and debris near to the surface of the wound so that in use it adheres to the skin. Reticulated polyurethane foam with a small cell size and about 97% void volume may be used for the foam layer. Polypropylene film or an elastomeric material such as natural or synthetic rubber with calculated pore size distribution of 10<SP>-5</SP> to 5 x 10<SP>-4</SP> mm. may be used for the backing sheet. The foamed layer and backing sheet are secured by means of an applied gas permeable adhesive layer or by thermoplastic fusion. A polypropylene backing sheet may be first laminated on to an adhesive-coated release liner and then drawn away from the liner and passed through opposed callender rolls with a matching web of polyurethane foam roll, whereby the foam is pressed against the exposed adhesive, and the resulting adhesively bound laminate wound on to a takeup roll. Alternatively individual sheets of backing and foam can be laminated together in separate sheets.
Patent GB-711781-A (GB)
Title: Improvements in mixing machines
Inventor: WILSON SYDNEY
IPC: B28C7/04
Filed: 1950-08-17
Abstract: 711,781. Weighing apparatus. BLAW KNOX, Ltd. Aug. 2, 1951 [Aug. 17, 1950], No. 20428/50. Addition to 625,562. Drawings to Specification. Class 143 The weighing apparatus secured to a mixing machine described in the parent Specification is modified by attaching the weight indicating dial to the foldable weighing mechanism.
Patent GB-1205987-A (GB)
Title: Refrigerant condensate circuit in multiple-effect absorption refrigeration systems
IPC: F25B15/00
Filed: 1968-04-30
Abstract: 1,205,987. Refrigerating. CARRIER CORP. 30 April, 1968 [31 May, 1967], No. 20486/68. Heading F4H. The subject matter of this Specification is substantially the same as that described in Specification 1,205,984 except that the high pressure economizer is omitted, and the auxiliary high pressure evaporators and absorbers may be replaced by conventional heat exchangers. The claims are concerned with the operation of the low pressure condenser.
Patent GB-416451-A (GB)
Title: Improvements in the construction of vehicle bodies
IPC: B62D21/02
Filed: 1933-07-20
Abstract: 416,451. Vehicle bodies. DURAMIN ENGINEERING CO., Ltd., 23, Hythe Road, Willesden, London, and OGLETHORPE, E. L., 14, Grafton Road, Harrow, Middlesex. July 20, 1933, No. 20501. [Class 108 (i).] The body underframes of road vehicles comprise longitudinal and transverse members strengthened by gusset plates, the longitudinal members consisting of two parallel members arranged vertically one above the other and connected together by vertical members secured to gusset plates fixed vertically on the transverse members. The body underframe comprises transverse channel members a connected to spaced longitudinal angle or T-members b<1>, b<2> which are interconnected by tie posts c, c<1>, disposed on either side of gusset plates d which are riveted to the members a and to the tie posts c, c<1>. The members b<2> rest upon and are secured to the chassis members h<1>, h<2>. The gusset plates d may extend to each side of the tie posts and additional posts c<2> similar to post c<1> and parallel thereto may be provided as shown in Fig. 1. One or more plates w may be riveted to the webs of the upper and lower longitudinal members b<1>, b<2>. Specification 343,736 is referred to.