baber/WOPTO huggingface dataset:
Patent GB-668602-A (GB)
Title: Venetian blind installation bracket
IPC: E06B9/323
Filed: 1950-07-05
Abstract: 668,602. Venetian blinds. LORENTZEN HARDWARE MFG. CORPORATION. July 5, 1950 [Aug. 30, 1949], No. 16771/50. Class 20(iii) A bracket for a Venetian blind comprises a rectangular vertical plate 14 with a horizontally projecting lower flange 15 for supporting the head bar of the blind and a retainer 11 slidably pivoted at 12 in the upper front corner of the vertical plate. The retainer has a latch 34, 35 engaging the underside of the flange 15 and a cam portion 37 engaging the upper surface of the flange as the retainer closes. The bracket also has a vertical rear flange 16 to which a tongue 21 standing up from the lower flange 15 is connected at a point remote from the vertical plate 14.
Patent GB-1399058-A (GB)
Title: Latches
IPC: E05C3/16
Filed: 1973-04-07
Abstract: 1399058 Latches WILFRID OVERTON Ltd 4 April 1974 [7 April 1973] 16798/73 Heading E2A A slam latch for doors and other hinged or sliding members comprises a latching member 3 controlled by a toggle linkage comprising links 7, 9 pivoted together at 10, link 9 being pivoted to a fixed pivot 11 and link 7 being connected to member 3 by a pivot 8, the toggle linkage being movable to an over-centre position in which the nose 4 of latch member 3 engages a striker pin 5, the link 7 having an extension 17 which engages the pin 5 when the door or other member is slammed and which displaces the toggle linkage from its over-centre position to allow subsequent engagement of the striker pin against member 3 to retract it against a spring loading. As shown, the spring loading is generated by springs 15 and 16 respectively acting on links 7 and 9. In the embodiment shown the nose 4 is arcuate and concentric with the pivot axis of member 3 but in an alternative construction its centre of curvature is offset from this axis. The latching member may be hook and the pivot of the latching member may be located near the outer face of the door. The latch may be released by a rod 14 or by a push button acting on one of the links or a handle acting on one of the pivots. In the embodiment shown the movement of the linkage is limited by a stop 12 and in a further embodiment this stop is replaced by the inner end of a spring-loaded push button. The links may be split or slotted to receive each other. Striker may be a pin, as shown, a hook or a tooth or two teeth. The latch may be turned through 90‹ so that the pivot axes lie parallel to the plane of the door, and may control one or more slave latches of similar construction through tension rod or cables.
Patent GB-200101-A (GB)
IPC: F01K7/26
Filed: 1923-06-28
Abstract: 200,101. Forner, G. June 28, 1922, [Convention date]. Working-fluid supply ; regulating.-Relates to valves controlling the supply of steam to a turbine in an installation comprising a steamgenerator and a steam-storer. In one arrangement, the steam-storer s receives steam during periods of light load from an intermediate stage b of a turbine t and, during periods of heavy lead, gives out steam to a lower stage d. Partial admission of the storer steam to the lower stage may be secured by a partition shown in dotted lines at e. A single governor-controlled valve c controls the supply of steam from the generator k and the passage of steam to and from the storer. In other arrangements, high-pressure steam is passed to the storer, during periods of light load, either from the high-pressure nozzle chamber of the turbine or direct by pipes from the generator. In another arrangement, the storer receives high-pressure steam from the generator and gives it up to a partial admission nozzle box at the high-pressure end of the turbine. Separate valves with a single control may replace the single valve c.
Patent GB-569449-A (GB)
Title: Slag removing device for pressure fired furnaces
IPC: F23J1/00
Filed: 1943-10-14
Abstract: 569,449. Pulverulent-fuel furnaces. AKT.-GES. BROWN, BOVERI, & CIE. Oct. 14, 1943, No. 16885. Convention date, Nov. 19, 1942. [Class 51 (i)] In a pulvorulent-fuel steam-generator furnace 1, 2 operating at a pressure above atmospheric, slag from the separator 3 is continuously deposited in a removable pressure-tight receiver 7 which is secured to the separator mouth below the valve 6 by a readily disoonnectible gas-tight joint 9 and is resiliently supported by springs 15 on a trolley 8. In operation, when the receiver 7 is full, the valve 6 is closed, the pressure in the receiver released by opening cock 13, and the joint 9 disconnected, whereupon the receiver moves down on to a stop on bearings 14 ready to be wheeled away. Any slag passing over into the superheater 5 is deposited in a further pressure-tight vessel 11 which, after closing the valve 10, can be emptied into the receiver 7 by opening the cover 12.
Patent GB-1089510-A (GB)
Title: Anchor device for use with a hollow bolt rod
IPC: E21D21/00
Filed: 1966-04-18
Abstract: 1,089,510. Anchoring bolts. C. I. WILLIAMS. April 18, 1966 [June 25, 1965]. No. 16899/66. Heading F2H. An anchor for a hollow bolt rod 10 comprises separable portions 15 and 16 on opposite sides of the rod interconnected by a U-shaped member 17 extending over the end of the bolt, a wedgeshaped member 14 in threaded engagement with the rod interposed between the portions, and a passage 20 in the member 17 communicating with the bore 13 of the rod 10. The passage 20, 13 functions as a vent or a grout inlet.
Patent GB-1007511-A (GB)
Title: Dust extraction apparatus
Inventor: SMALLWOOD DAVID
IPC: B01D46/02
Filed: 1963-04-30
Abstract: 1,007,511. Dust extractors. E. SMALLWOOD  & SON (AIR TREATMENT) Ltd. June 1, 1964 [April 30, 1963], No. 16910/63. Heading B1T. Filter bags 15 are internally supported by helical coils 17 interconnected by sinuous elements 18. Bags 15 are formed by a single folded length of cloth, clamping frames 19, 20 holding portions of cloth between adjacent bags which are formed by seaming adjacent edges of the length. The bag-support frame 13 is removably enclosed in a housing, Fig. 1 (not shown), which comprises an air-extraction pump, a motor-driven shaking frame whose paddles engage the bags and a dust receiving hopper and bin.
Patent GB-934651-A (GB)
Title: Improvements in or relating to shaker hearth furnaces
Inventor: MAUDE STANLEY MORGAN
IPC: F27B9/24
Filed: 1960-05-13
Abstract: 934,651. Heat treatment furnaces; hearths. ANDERTON SPRINGS Ltd. Aug. 8, 1961 [May 13, 1960], No. 16943/60. Class 51 (2). In a heat treatment furnace of the kind in which small metal articles, e.g. circlips, are traversed through the furnace by an inclined jigging trough 1, the latter is flared outwardly towards the delivery end 4, and the base 5, which may be polished, is formed with longitudinal serrations or shallow ribs. The base may be parabolic in shape or may be first horizontal continuing in a series of steps of increasing downward inclination. With a ten-foot trough both the width increase and the drop may be of the order of three inches. Heating elements 14 are more closely spaced at the entry end 3 and are also disposed around the delivery shoot 15.
Patent GB-1415614-A (GB)
Title: Injection moulding apparatus
IPC: B29C41/00
Filed: 1974-04-18
Abstract: 1415614 Injection moulding apparatus SCHLOEMANN-SIEMAG AG 18 April 1974 [21 April 1973] 16973/74 Heading B5A Injection moulding apparatus comprises a hot-channel distributer 5 provided with one inlet channel 6 and a plurality of outlet channels 3 which are spaced apart from one another and which are each closable by a respective piston 11 displaceable transversely to the associated channel. In the open position a groove 12 in the piston is aligned with the channel. Alternatively the groove may be replaced by a bore extending through the piston. As shown a single injector 7 supplies two moulds 1, 2 and the pistons 11 in the channels leading to one mould 1 are coupled by a piston rod 13 which is movable by a drive 14. In a modification, Fig. 2 (not shown) a similar piston valve (25) is provided adjacent the injector unit 7. The injector unit may also have its own cut-off valve.
Patent GB-980225-A (GB)
Title: An overpressure protection device
Inventor: ANSELL JEFFREY MAURICE
IPC: F16K17/06
Filed: 1962-05-03
Abstract: 980,225. Valves. ASHFORD COMPONENTS Ltd. April 22, 1963 [May 3, 1962], No. 16992/62. Heading F2V. [Also in Division G1] In a fluid pressure shut-off valve used to prevent damage to a pressure gauge, a conical valve closure 8 is connected, via a stem 9, to a piston 10 which is in sealing engagement within a bore 3. The closure 8 seals in contact with a seat 4 to guard the outlet 5 from the effect of pressure at the inlet 2 when this overcomes the unseating force of a spring 17. The loading of the spring 17 can be adjusted by axial movement of member 18. The spring 17 may be replaced by a compressible gas or a rubber block.
Patent GB-1303767-A (GB)
IPC: H01G4/30
Filed: 1971-05-25
Abstract: 1303767 Capacitors ILLINOIS TOOL WORKS Inc 25 May 1971 [25 May 1970] 17019/71 Heading HIM A capacitor is formed from plastics strip material 22 bearing metallized coatings 14, 16 on its opposite sides with an unmetallized margin at opposite edges, at least one, as shown both sides of the coated strip having a thinner coating 18, 20 of thermoplastic material covering at least the metal layers and serving to bond adjacent layers constituting an eventual multilayer chip capacitor, the end faces of the chip being sprayed with molten metal so that metal 40 penetrates coatings 18 or 20 to contact a surface portion of each metal layer of one or other polarity and connect such layers in parallel. Connection to the surface portions may be simplified by leaving margins free of thermoplastic coating but at the expense of introducing a masking or like operation (Figs. 2, 4, not shown). In one method of manufacturing the multilayer capacitor chips, a strip of polyester having staggered metallized coatings on opposite sides, at least one such coating being covered with a film of polystyrene or polycarbonate, is wound into a coil which is flattened and heated to bond adjacent layers together without destroying the integrity of the film (Fig. 6, not shown) and end coatings are applied preferably to a large number of flattened rolls at once (Fig 7, not shown). Short-circuits are burnt out at low and high voltages, the capacitance of each flat coil is measured in order to estimate the size of chips to be cut from the coil, which size is adjusted after measuring the capacitance of sample cut chips. Fresh shortcircuits resulting from the cutting are burnt out and the capacitance may be adjusted downwardly by removing electrode material electrolytically. The composite strip for coiling may comprise laterally separated metallized strips, adjacent strips on opposite sides overlapping (Figs. 10, 11, not shown) and the coil is severed longitudinally to provide a number of flattened coils for treatment as before. In another embodiment (Fig. 12) laterally spaced metallized strips are also spaced longitudinally providing metal-free lanes 132 for cutting along. The metallized pattern may be such that the coil may be cut obliquely to give end contact faces at an acute angle to the plane of the metallized layers (Fig. 17, not shown) increasing the effective area of the contact surface. The contact coatings may extend on to side surfaces and have solder applied thereto for direct mounting on a printed circuit board.
Patent GB-1027405-A (GB)
Title: Improvements in and relating to arrangements for automatic channel selection in broadcast receivers
IPC: H02P7/03
Filed: 1964-04-24
Abstract: 1,027,405. Motor-driven pre-set tuning. PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd. April 24, 1964 [April 27, 1963], No. 17084/64. Heading H3Q. [Also in Division H1] In a motor-driven unit for tuning a broadcast receiver to predetermined frequencies, a potentiometer adjustable in accordance with the desired frequency and a potentiometer operated by the tuning motor have the same resistance track. In Fig. 1, the resistance track of a potentiometer R 1  carries a slider 5 operated from the tuning shaft 4 and other sliders 6-9 adjustable to represent predetermined frequencies. The slider chosen is connected by one of the push-buttons K 1 -K 4  via an amplifier 1 to the motor 2 which turns the shaft until slider 5 is at the same position on the track as the chosen slider. The residual resistance presented to the amplifier at the position of balance is thus the same whichever slider is chosen. The potentiometer (Fig. 3) has a cylindrical resistance track 11 with the various sliders moving over the inside surface thereof. Slider 5 is mounted on the shaft 4, while the other sliders 13-16 are mounted on sleeves 17, 18 concentric with the shaft and rotated by a gear-wheel or worm 20 engaging teeth on the periphery of the discs 13-16. A further potentiometer assembly R 1  (Fig. 1) can be provided in a remote situation if desired. In a modification (Fig. 4, not shown), a separate potentiometer is provided for each of the sliders 6-9, each of these potentiometers having a second slider operated by the tuning shaft. In another modification, the slider 5 comprises the body of the tuning member 3 and the whole potentiometer assembly with sliders 6-9 is rotated by the motor. The energizing voltage is then applied transversely of the resistance strip by conducting metal layers forming slip rings around the edges of the strip, thus permitting a lower operating voltage.
Patent GB-216718-A (GB)
Title: Device for preventing the theft of overcoats and the like
IPC: E05B69/00
Filed: 1923-07-02
Abstract: 216,718. Sperlich, R. July 2, 1923. No Patent granted (Sealing fee not paid). Safety-pins. - In connection with preventing the theft of garments, a device resembling a safety-pin is employed. The device is sewn to the lining of the sleeve of a coat and pins 23 can be withdrawn from the shield portion 24 into operative position for engaging a thief's hand.
Patent GB-285305-A (GB)
Title: Improvements in apparatus for defibrating cotton seed, the decorticated hulls of cotton seed or other fibre bearing seeds, and for segregating and collecting the detached fibres
IPC: D01B1/04
Filed: 1927-06-27
Abstract: 285,305. Segundo, E. C. de. June 27, 1927. Cotton and like seeds, obtaining fibres from. - In apparatus for defibrating cotton seed, the decorticated hulls of cotton seed, or other fibre bearing seeds, for collecting the fibres and for separating the dust &c. of the kind described in Specification 209,470, a fan 8, Fig. 1, is secured on the shaft 6, below the defibrating elements 14, 7, in a chamber 9 to produce a. plenum of air at the base of the apparatus. This plenum is regulated by openings 11 in the pedestal 10, which can be masked to the desired extent by shutters 12. A fan 22 on the top of the body 3 assists in carrying the fibres away. The defibrated seeds are discharged by blades 19 carried by the body 3. The fan blades 8 may be mounted on the casing 9 which is then carried by the shaft 6. The defibrating elements 14 may be arranged along a generatrix of a cone, the avis of which coincides with the axis of the shaft 6. The element 14, Fig. 5, is curved to fit a rounded bar 17 and its turned-over edges 14<1> are held between the bar 17 and its support 13 by bolts 16. Specifications 114,435 and 114,450 also are referred to.
Patent GB-1351423-A (GB)
Title: Manufacture of profiled rod
IPC: E04C5/03
Filed: 1972-04-13
Abstract: 1351423 Making concrete reinforcement rods KONINKLIJKE NEDERLANDSCHE HOOGOVENS EN STAALFABRIEKEN NV 13 April 1972 [14 April 1971] 17156/72 Heading B3A [Also in Division C7] A method of making a profiled rod of a low carbon steel comprises hot rolling the rod to the required profile, cooling the rod by liquid in at least three stages, the stages being separated by periods during which the rod temperature equalizes through the cross-section of the rod, and coiling the rod at a temperature of 530- 700‹ C. A rod of steel, composed of 0À20% C, 0À40% Mn balance Fe and usual impurities is finish rolled at a temperature of 950‹ C. and has a profile consisting of two diametrically opposed longitudinal ribs with helical ribs inclined at 45 degrees to the rod axis and stopping short of the longitudinal ribs. The rod leaves the profiling rollers at 18 m./sec. and passes through four cooling zones, in which water is sprayed on to the rod. Each zone is one metre in length and they are spaced from each other by one metre. Prior to coiling, the rod passes through an air cooling zone of 14 m. length and it is then coiled while at a temperature of 625‹ C. The rods may be cut to length and subsequently welded together to form mats for reinforcing concrete.
Patent GB-919117-A (GB)
Title: Improvements relating to side pieces for spectacle frames
Inventor: THORN HERBERT LEONARD
IPC: G02C5/22
Filed: 1960-05-16
Abstract: 919,117. Spectacle frames. OPTOPLAST MANUFACTURING CO. Ltd., and TRIDENT OPTICAL CO. Ltd. May 1, 1961 [May 16, 1960], No. 17199/60. Class 97 (1). In manufacturing a spectacle frame at least one element 9 is formed projecting from a hinge member 3 and is engaged by a reinforcing wire 2 which is forced longitudinally into a plastic side-piece blank, so that the hinge-piece is retained on the side-piece. Preferably, the engaging means are holes or slots and the operations usually take place while the sidepiece blank has been softened by heat. Specification 633,201 is referred to.
Patent GB-654060-A (GB)
Title: Improvements relating to methods of decomposition of waste sulphuric acid to sulphurdioxide
IPC: C01B17/58
Filed: 1947-06-30
Abstract: In decomposing to sulphur dioxide waste sulphuric acid and mixtures thereof, containing little or no organic substances, the waste acid is added to natural ores, such as carbonates (siderite), oxides, hydroxides, mixed ores poor in sulphides or artificially produced materials, such as residues from the roasting of these ores, or mixtures thereof, and the resulting mixture is introduced alone or together with sulphidic ore into a roasting furnace which is being used for the production of sulphur dioxide.  The mixture may be introduced into the furnace after reaction has taken place between the acid and ore material, which reaction may be effected by allowing the mixture to stand, e.g. at 20-30 DEG  C. for 1 or 2 days; quicker reaction may be effected between the acid and hot waste burnt ore. The mixing of the acid and ore material may be carried out in a granulating drum and the granulate supplied to the furnace.
Patent GB-863626-A (GB)
Title: Photo electric exposure meter or regulator for photographic or cinematographic cameras
IPC: G03B7/085
Filed: 1958-05-30
Abstract: 863,626. Photo-electric exposure meters. KAMERA-UND KINOWERKE DRESDEN VEB. May 30, 1958 [Feb. 20, 1958] No. 17310/58. Addition to 835,778. Class 40(3) In an exposure meter comprising a photocell 19 and a spring-controlled moving coil galvanometer 11, 14, the pointer 21a when displaced from its central position engages a contact 23a or 24a to start an electric motor 27 which drives an exposure controlling member 1 to restore the pointer to its central position. In a modification, the motor controls a mask in front of the photo-cell.
Patent GB-456915-A (GB)
Title: Means for lighting electric gas discharge tubes
IPC: H05B41/24
Filed: 1935-06-15
Abstract: 456,915. Supply systems for discharge lamps. IBUKA, M., 32, Kitami Seijo, Kinuta-mura, Kitatama, Tokio. June 15, 1935, No. 17319. [Class 38 (iv)] [See also Groups XL and XVIII] Discharge lamps for beacons, advertising, &c. are supplied from an oscillator of periodicallyvarying frequency above audio frequencies to produce periodic growth and shortening of the glow discharge along the tubular lamp and means are provided to reduce the potential relatively to earth of each electrode alternately so that the glow spreads from alternate ends of the tube. The oscillator 7 may be connected to a remote lamp 18 through a step-down transformer 14, an earthed feeder-line 17 and a step-up transformer 16 and its frequency is periodically controlled by a motor-driven condenser 11. Unless the two electrodes of the lamp are at the same potential relatively to earth, the glow travels from one electrode to the other. The glow is made to spread alternately from opposite end by connecting the electrodes to plates 21, 22 separated by an earthed plate 23 moved alternately towards the plates 21, 22. In modifications, the electrodes are connected to a potentiometer with an earthed movable tapping or to two variable condensers alternately connected to earth. Dimensions of a tube supplied at a frequency of about 120 kilocycles are specified.
Patent GB-822296-A (GB)
Title: Improvements in door latches
IPC: E05C1/14
Filed: 1956-06-05
Abstract: 822,296. Latches. LOCKS Ltd., and YOUNG, L. W. June 5, 1957 [June 5, 1956], No 17369/56. Class 44 A door latch includes a longitudinally sliding latch bolt 4 having an inclined striker face 9 and is rotatable about its axis through an angle of 180 degrees by a latch bolt operating member to bring about reversal of the inclined striker face in relation to the striker plate. As shown, the latch bolt is slidable against a spring 10 in a part 2 and includes a toothed portion 8 which engages a crack 6 slidable against a spring 11 in a body part 3, whereby upon outward movement of the rack by a pull on a knob 7 attached thereto, the latch bolt is rotated through 180 degrees, thus to reverse the position of its inclined face 9. The bolt is retracted into the body part 2 as the face 9 engages a striker plate (not shown).