baber/WOPTO huggingface dataset:
Patent GB-949149-A (GB)
Title: Control device for the drive of a lock stitch sewing machine
IPC: D05B59/00
Filed: 1962-10-09
Abstract: 949,149. Sewing machines. SINGER CO. Oct.9,1962 [Nov.3, 1961], No.38220/62. Heading D1G. A sewing machine comprises mechanism for winding thread on a bobbin in place in the looptaker and driven by the means for driving the stitch-forming instrumentalities, means for sensing a preselected quantity of thread wound on the bobbin, and means responsive to the operation of the sensing means for interrupting said driving means. A rotary hook 22 comprises a body 30 carried by a hollow shaft 18 coupled by a bed shaft 17 and vertical shaft 16 to the arm shaft 14, which is driven by an electric motor 95 mounted in the machine standard 12. Journalled in a bobbin case 32 fixed relatively to body 30 is a bobbin which comprises an upper flange 35 and a lower flange 38, and which is adapted to be wound in situ by thread drawn from the needle 15 when a disc 50, carried by a rod 51 slidable in shaft 18, is raised to position a pin 53 on disc 50 within an arcuate groove 54 in flange 38 and to position the latter within an annular rib 55 formed on disc 50. Rod 51 is connected by a leaf spring 62 to one arm of a double-armed lever 60 pivoted at 61 to the machine frame. The other arm is connected by a bar 65 to a thread tension release lever 66 in the machine upper arm 13. A shaft 70 journalled in the standard 12 carries an external, hand-operated dial 71, a cam 72 formed with a notch 74, and a ratchet wheel 73 having a peripheral portion 110 free from teeth. A lever 68, pivoted at 69 to the machine frame, abuts a lug 67 on bar 65 and is formed with a shoulder 75 so arranged that when the latter engages notch 74, bar 65 is raised and disc 50 is lowered, while a pair of pawls 79 carried by a lever 78 pivoted on shaft 70 are positioned at one end of portion 110. If dial 71 is turned clockwise to position shoulder 75 on the cylindrical surface of cam 76 and the pawls 79 at the other end of portion 110, bar 65 is depressed to raise disc 50, and lever 78 is coupled to the feed drive pitman 77. Pivoted at 99 in a slot 98 formed in bobbin case 32 is a thread-sensing finger 100 formed with a thread-engaging shoe 102. The outer edge of the latter has a cam surface 103 which is positioned within rib 55 when disc 50 is raised. Operation of the machine then serves to wind the bobbin until the thread thereon pivots finger 100 outwardly, when cam surface 103 co-operates with rib 55 to depress disc 50 slightly. In consequence, spring 62 is caused to flex and thereby to free the plunger 92 of a microswitch 90 carried on lever 60, switch 90 thereby opening to stop motor 95. If dial 71 is turned sufficiently, initially, to position pawls 79 on the teeth of the ratchet wheel 73, the latter will be rotated, on starting the machine, until shoulder 75 engages a cam lobe 120 on cam 76 adjacent notch 74 to flex spring 62 for opening switch 90 to stop motor 95. The amount of thread wound on the bobbin will then be inversely proportional to the extent to which dial 71 is turned initially. Specification 944,391 is referred to.
Patent GB-1240026-A (GB)
Title: Grinding machine
IPC: B24B3/34
Filed: 1969-07-30
Abstract: 1,240,026. Grinding. WILHELM LOH K.G. 30 July, 1969 [6 Aug., 1968], No. 38277/69. Heading B3D. A machine for grinding non-circular workpieces 21 comprises a feed magazine 5, rotatable stepwise to align workpieces 21 in turn with coaxial gripping spindles 3, 4 themselves rotatable so that each workpiece 21 may be lifted off the magazine 5 by the lower spindle 4 in a set orientation relative to a pattern 20 formed on one of the spindles 3 for grinding according to the pattern 20. A coarse grinding wheel 15 and a fine wheel 16 are supported on levers 7, urged towards the workpiece 21 by springs 11, and axially reciprocable by cam followers 35, segmented feelers 17, 17<SP>1</SP> engaging the pattern 20 to limit the depth of cut. To start a grinding cycle, the spindle 4, normally held retracted by a spring 56, is raised through a hole in the magazine 5 by a cam-operated lever 52, 54, and the upper spindle 3 is lowered by a spring 61, acting through a lever 60 and toothed segment 58, and normally opposed by a cable 62. The workpiece 21 thus engaged between the preferably concave spindle ends, is then riased by means of the lever 52, 54 to a position between the grinding wheels 15, 16, the spring 61 maintaining tight engagement of the spindles 3, 4, while blocks 69, 74 are engaged under a spindle flange 75 by cam-operated means, Fig. 7 (not shown), to prevent downward spindle movement. As the spindle 3, 4 are rotated in synchronism, Fig. 8 (not shown), grinding proceeds, the workpiece 21 finally being returned to the magazine 5 by retraction of the spindle 4, after an upward movement through the lever 52, 54 to enable release of the blocks 69, 74. To ensure a correct final workpiece orientation, a stop (45), Fig. 8 (not shown) on the cam 36 geared to the spindle drive, controls an overriding switch (46) to ensure than the spindle rotation ceases only after one complete revolution. Leaf springs 30 for locating oversize workpieces 21 within angle elements 24 of the magazine 5 are prevented by pins 31 from fouling return of the machined workpieces 21.
Patent GB-1131539-A (GB)
Title: Television apparatus for synthesizing a combined display of a plurality of targets
IPC: F41G3/26
Filed: 1967-08-19
Abstract: 1,131,539. Teaching warfare. H. H. WOLFF. 19 Aug., 1967, No. 38321/67. Heading F3C. [Also in Division H4] The Specification describes television apparatus for producing a combined display e.g. that of two ships I, II, Fig. 2(a), from separate camera systems 11 and 12, Fig. 3 each viewing a respective ship, wherein, one ship I being synthesized as being behind (at greater range than) ship II, the image of ship I does not " bleed " through the image of ship II in overlapping regions (e.g. Fig. 2(b). The original ships may be fixed models and the apparatus used for teaching warfare purposes, e.g. simulating the view through a submarine periscope. The size of the respective image on the display 73 and thus the simulated range of the ship, is controlled by variation of the scanning raster size in the cameras. Scanning voltages (17), (19) are thus fed to the cameras via range control means 23, 25, 23<SP>1</SP>, 25<SP>1</SP>, which control means provide signals on lines 33 and 35 representing the simulated range of the ships. The video signals S1, S2 from cameras 11 and 12 are fed via respective amplifiers 49 and 51 to gated amplifiers 67 and 69 and from thence, via combining means 97, to the television display device 73. The video signals are seen to overlap in timing in region S12. To detect overlap region, the video signals are converted into constant amplitude voltages in wave shaping means 52 and 54. An AND circuit receives the outputs of the wave shaping means and produces a signal on line 61 indicating the overlap region S12 and also indicating that one of the amplifiers 67 and 69 must be blocked during said region. Range comparison means 37 compares the range signals on lines 33 and 35 and provides a positive or negative output signal depending on which ship is simulated to be nearer. The overlap signal on line 61, and the range comparison output signal are fed to a blocking control circuit 43 to produce a blocking signal on line 63 and 65 for blocking the appropriate amplifier 67 and 69. Figs. 12a and 12b show a transistorized embodiment for combining the outputs of three cameras. One camera may be viewing a background, whence, since said background must always be at a greater range than the other viewed targets, certain range comparison means may be dispensed with. The scanning spot size may be varied as the scanning raster size to keep the resolution constant, and the amplification of amplifiers 67 and 69 may be correspondingly varied to keep the brightness of the two ship images equal.
Patent GB-1212516-A (GB)
Title: Mobile building crane
Inventor: GRUBER LEO
IPC: B66C23/90
Filed: 1967-08-21
Abstract: 1,212,516. External shoe drum brakes. L. H. BUILDING CRANES A.B. 21 Nov., 1967 [21 Aug., 1967], No. 38393/67. Heading F2E. [Also in Division B8] In a mobile building crane (see Division B8) rotation of a tower supporting platform relative to a chassis 1 is prevented by a releasable brake 6 comprising a friction member 36 carried by a pivoted lever 35 connected by links to the chassis 1, the links being pivotally interconnected by a second lever 37 adjustably supporting a weight 38. The brake is normally engaged with the links aligned and is released by moving the lever 7 to move the links out of alignment, Fig. 5 (not shown). The connection 42, 43 of the links to the chassis 1 is adjustable for varying the brake force.
Patent GB-814589-A (GB)
Title: Improvements in or relating to fuel injection pumps
IPC: F02M41/12
Filed: 1957-12-11
Abstract: 814,589. Fuel injection pumps. BOSCH G.m.b.H., R. Dec. 11, 1957 [Dec. 19, 1956], No. 38454/57. Class 102(1). A rotating and reciprocating pumping and distributing member 17 of a fuel injection pump is actuated by a rotary shaft 2 carrying a double face cam 3 engaged by rollers 8 mounted on members 9, 10 and connected to the member 17 which operates in a sleeve 34 having inlet and outlet ports 36, 38 which co-operate with parts 29, 30 respectively in the member 17. The members 9, 10 have teeth 12 engaging teeth 13 on a piston 14 subjected on one end to the pressure of a spring 15 and on the other end to hydraulic pressure variable in accordance with engine speed, and the member 9 is connected to the sleeve 34 so that angular adjustment of the members 9, 10 results in a corresponding angular movement of the sleeve 34. The angle moved by the sleeve 34 may be equal to or in a desired ratio to the angular adjustment of the members 9 and 10.
Patent GB-365282-A (GB)
Title: Improvements in combined shearing and drilling machines
IPC: B23B45/06
Filed: 1930-12-20
Abstract: 365,282. Shearing ; drilling. FOUQUET, E., 112, Rue Jean-JaurÞs, Bois-Colombes, France. Dec. 20,1930, No. 38472. Convention date, Aug. 7. [Classes 83 (iii) and 83 (iv).] A hand-actuated portable shearing machine has means for drilling an initial hole from which the cut is started. The drill 18 is held in a shaft 7 rotated by gearing 6 from a hand-crank 50. The shaft 7 carries a gear 12 driving a gear 19 on a sleeve 20 carrying a milled cutter 21. A cutter 28 cooperates with the cutter 21. Non-rotary rods 24, 26 support the cutters and are secured in a frame 25 shaped in plan as in Fig. 7 (not shown), and which tapers outwards towards the rear. The casing 15 of the shear device is attached to the casing 1 of the drill and the whole is guided by an integral handle 2. The axial thrust on the shaft 7 is taken by the cap 10 of the frame. After a hole has been made by the drill 18 the cutter 28 is inserted in the hole and the shearing is effected by the cutters 21, 28. Specifications 270,732, 272,901, [both in Class 83 (iv), Metals, Working], and 353,813 are referred to.
Patent GB-1037090-A (GB)
Title: Air purifying device for underwater use
IPC: B63C11/18
Filed: 1964-09-21
Abstract: 1,037,090. Air conditioning. B. R. BODELL. Sept. 21, 1964 [Sept. 25, 1963], No. 38479/64. Heading F4V. [Also in Divisions A5 and B1] A device for underwater breathing, wherein oxygen is obtained from that dissolved in the ambient water, includes an open container which acts as a passageway for the water and contains tubing of a gas-permeable waterimpermeable material through which the breathing air is passed and is oxygenated and purified. As illustrated, an apparatus for maintaining the air in an underwater chamber 110, comprises a pump 54b supplying water to two passageways 40b made up of hoop-shaped members, the water being returned via an outlet 60b. Air is pumped from the chamber at 114 and passes into tubing in each tubular member where oxygen is said to permeate through into the air and carbon dioxide permeates away into the water. The air returns to the chamber via a pipe 122. The permeable tubing is of silicone rubber or of exemplified plastics and the apparatus includes a condenser supplying drinking water at an outlet 120.
Patent GB-1018928-A (GB)
Title: Chin strap assembly for a helmet
Inventor: AILEO JACKSON ANTHONY
IPC: A42B3/08
Filed: 1964-09-21
Abstract: 1,018,928. Helmets. L. P. FRIEDER. Sept. 21, 1964, No. 38480/64. Heading A3V. A chin strap assembly for a helmet consists of at least one break link portion comprising a folded portion having frangible stitching holding it against unfolding. A helmet, comprising a rigid shell 21 with a chin pad consisting of a soft permeable lining 107 and a perforated cup 39, has a chin strap 37 passing through slots 105 in the cup and connected by a buckle 83 to end portion 85a connected to an ear cup 29. The end portion 85a is connected to the buckle by means of a loop 141 (Fig. 3, not shown) closed at 143 by frangible stitching 145. The other end of the strap may have separable overlapping parts secured by frangible stitching 149. The strap has loops frictionally adjustably held on cords which are wound in a channel in each ear cup 29 adjustably connected to the shell by strips 30. A back strap 35 is adjustable by a buckle 91 and is secured by loops to the cords. The helmet may incorporate a telephone within an ear cup and the back strap may support an oxygen mask. The chin straps and loops may be made of elastic material.
Patent GB-1004148-A (GB)
Title: An arc welding method using an arc covering agent containing carbon and silicon carbide
IPC: B23K35/32
Filed: 1961-10-27
Abstract: In submerged arc type welding the welding composition contains at least 40% of carbon and silicon carbide.  Cast iron is welded or cast iron is deposited on a cast iron or mild steel base using an electrode of mild steel or silicon steel containing up to 5% silicon and a welding composition containing at least 40% carbon and silicon carbide and up to 60% of other materials consisting of flux such as lime, fluorite or oxides, a binder such as potassium or sodium silicate and optionally metal powder such as ferro-alloys. Specific compositions are described containing carbon, silicon carbide, lime, fluorite, sodium silicate and optionally ferrosilicon or ferromanganese to produce cast irons of varying hardness.  The composition is in the form of granules each having an electrically conductive core surrounded by the binder which is nonconductive.
Patent GB-843632-A (GB)
Title: Process for starting an installation for the pressure refining of crude benzene
IPC: C07C7/163
Filed: 1956-12-19
Abstract: <PICT:0843632/IV(b)/1> In the catalytic refining of benzene by hydrogenation the circulating gas and the reaction chamber are brought to reaction temperature by circulating town gas or coke oven gas charged with steam but without benzene and heated to a temperature not above 200 DEG C. and increasing the quantity of one or more constituents of the gas which react exothermically at temperatures below the refining temperature beyond that necessary for normal refining until the heat generated has heated the apparatus to the temperature of about 320 DEG C. required for refining.  In normal operation crude benzene is heated in heater 3 to about 180 DEG C. and introduced to the polymerisation stage 4 where it remains for 15-80 minutes and polymerisable impurities form non-volatile products.  The benzene passes into the evaporator 6 into which recycle hydrogencontaining gas at about 280 DEG C. is fed by line 7; additional heat is also supplied.  Hydrogen containing gas and benzene vapours at about 190 DEG C. leave by line 9 and unevaporated liquid is removed by line 8.  In heat exchanger 10 the benzene vapour feed is heated to about 310-320 DEG C. by reaction products; if an excess of heat is supplied part of the feed may be caused to by-pass the heater through line 11.  Coke oven gas or town gas from line 15 is heated in heater 17 to about 150 DEG C. and saturated with steam in saturator 18 before being fed by line 14 to the reactor 13 along with the benzene feed from line 12.  Under the conditions in the reactor, viz. about 320 DEG C. and about 45 atmospheres pressure in the presence as catalyst of an oxide or sulphide of a Group 5, 6 or 8 metal the steam reacts with carbon monoxide in the gas to give carbon dioxide and hydrogen, and hydrogen reacts with impurities in the benzene to give volatile products.  The hot reactants pass through heat exchanger 10 and the benzene is then condensed and removed by line 22.  A portion of the hydrogen-containing gas is removed by line 23 to avoid build up of impurities and the remainder is reheated to about 280 DEG C. and recycled to the evaporator 6.  In starting-up operation no benzene is supplied.  In order to raise the temperature of the circulating gas and the catalyst to about 320 DEG C. one or more of the following operations is performed:-Extra gas up to 2-3 times greater than normal may be supplied by line 15 thereby supplying extra oxygen; coke oven gas or town gas contains 0,5-1,0% free oxygen.  Air or oxygen may be supplied by line 27.  Steam saturation in saturator 18 may be suspended by by-passing through line 29.  As a result exothermic oxidation reactions take place in the reactor and the highly exothermic hydrogenation of carbon monoxide to methane may take place instead of the formation of carbon dioxide by reaction with steam.  Due to these exothermic reactions rapid heating of the system occurs and when the necessary temperature is reached normal operation including the supply of benzene vapour is commenced.
Patent GB-852839-A (GB)
Title: Improvements in or relating to support structures
Inventor: HICKS RAYMOND
IPC: G21C5/10
Filed: 1957-12-13
Abstract: 852,839. Nuclear reactors. GENERAL ELECTRIC CO. Ltd., and SIMON-CARVES Ltd. Nov. 28, 1958 [Dec. 13, 1957], No. 38837/57. Class 39(4). [Also in Group X] In a nuclear reactor, the graphite core is carried on a horizontal platform 7, supported upon vertical columns 9 which rest on a net 8 beneath the platform. The columns 9 are cruciform and the net 8, depends from the edges of platform 7. The net is formed of steel sections 14 welded to the columns to intersect at right angles. Platform 7 is formed of two grills 15, 16 constructed of intersecting steel members 18, 17 welded to the rod extensoin 13, of columns 9. The peripheral flange 19 surrounds the upper surface of 7 and the core rests upon the locating screws 20. The structure rests upon the circular skirt 10 and the weight is transferred through the spherical pressure vessel 3 to an outer skirt 11, resting on a foundation 12. In an alternative form, not shown, the platform is suspended beneath a support, outside the pressure vessel. Specification 852,840 is referred to.
Patent GB-1423560-A (GB)
Title: Catalyst
IPC: B01J23/652
Filed: 1973-08-17
Abstract: 1423560 Exhaust gas oxidation catalyst NIPPON SHOKUBAI KAGAKU KOGYO CO Ltd 17 Aug 1973 [19 Aug 1972 23 Aug 1972 26 Aug 1972] 39062/73 Heading B1E [Also in Division Cl] A catalyst for treatment of exhaust or waste gases is formed by (i) soaking a granular active alumina support in an aqueous solution containing trivalent chromium ions and hexavalent chromium ions in an atomic ratio of from 1:1 to 1:2 and having a pH of 0.5 to 4.5; (ii) drying and calcining to give 5 to 30% wt chromia-on-alumina; (iii) impregnating with an aqueous solution of a compound of Pd or Pt to deposit 0.05 -2 g/litre catalyst calculated as the metal; and (iv) drying and activating to give Pd or Pt metal. The alumina used, suitably has a particle size of 2-5 mm and a total pore volume of 0.4-0.7 cc/g of pores of diameters not exceeding 100 microns of which at least 70% are of a diameter not exceeding 0.5 micron. The activation step may be calcination or reduction, e.g. in a vaporised organic reducing agent. The chromium ion solution may contain a mixture of (a) chromium nitrate, sulphate, chloride and bromide, and also (b) chromic anhydride, ammonium chromate or ammonium bichromate.
Patent GB-351440-A (GB)
Title: Multi stamping machines
IPC: B43M1/00
Filed: 1929-12-20
Abstract: 351,440. Embossing-machines. CESKOSLOVENSKA ZBROJOVKA AKCIOVA SPOLECNOST V BRNE, 7, U lazaretu, Brunn, Czecho-Slovakia. Dec. 20, 1929, No. 39098. Convention date, Sept. 5. Void [Published under Sect. 91 of the Acts]. [Class 100 (ii).] A stamping-machine comprising a number of stamp-holders any one of which may be moved into the working position is provided with a device for holding those stamps which are not in the working position in the raised position and for preventing them from turning. As shown, a member 3 integral with rings 4, 7 carrying die-holders 5 and complementary dies 8 respectively is rotatable about a fixed shaft 2 to bring any holder 5 into operative position where the head 11 of the holder fits in a groove 12 in a cam-actuated plunger 10, a spring-pressed pin 15 retaining the member 3 in the adjusted position. A stationary ring R engages recesses 18 in the holders 5 to prevent rotation thereof, and the heads 11 by resting on the edge of the ring retain the holders in the raised position. The ring R has a recess 20 to free the holder 5 which is in operative position, and a plate 21 screwed to the ring projects into the recess 18 and prevents rotation of the holder while in use. To provide for removal of the holders, a block 25 mounted in a recess 24 at a point in the ring and normally extending to the edge of the ring is withdrawn to free the holder in that position.
Patent GB-861745-A (GB)
Title: Method and apparatus for shearing continuously advancing strip
IPC: B23D25/08
Filed: 1958-12-05
Abstract: 861,745. Shearing. WEAN EQUIPMENT CORPORATION. Dec. 5, 1958 [July 28, 1958], No. 39250/58. Class 83 (4). The subject-matter is similar to that disclosed by Specification 861,330 but the claims are directed to a method and apparatus for shearing continuously advancing strip wherein a localized straightening force is exerted on the strip between the shearing point and the front end of the strip just prior to the time of shearing to prevent buckling of the strip. The straightening force is exerted by the clamping member 27, Fig. 1, which now extends over the whole length of strip between the shear blades 16 and the front stop 38. Feed rollers 45, 46 advance the strip except when a detent 51 engages a pivoted arm 50 which then raises the upper roller 45 whereafter during shearing the strip is advanced by the shear itself. Alternatively to interrupting the action of the feed rolls, the strip may be humped between the shear and the rolls. Specifications 808,460, 857,828 and 857,861 also are referred to.
Patent GB-1089144-A (GB)
Title: Faceband equipped headwear
IPC: A42B1/06
Filed: 1966-09-02
Abstract: 1,089,144. Caps. W. E. SCHUESSLER. Sept. 2, 1966, No. 39388/66. Heading A3V. In a combined head covering and face protector a knitted faceband 12 stretchable length- and width-wise which is in length half the circumference of the peripheral region 14-17 of the cap 10 is sewn at its ends to the temple portions 15 so that it can be worn over the lower part of the face, over the back of the neck and the ears or in any intermediate position. The head covering is of fabric, preferably  knitted, and may be merely a bandeau. The face band may be secured to the inner surface of cap.