baber/WOPTO huggingface dataset:
Patent GB-182284-A (GB)
Title: Improvements in apparatus for sharpening scythes by pressure
IPC: A01D3/04
Filed: 1921-05-25
Abstract: 182,284. K³nzli, F. May 25, 1921. Scythes.-The edge of a scythe blade is sharpened by pressure between jaws s, t, which are caused to rock about pivots s', t<1> by means of a handlever.
Patent GB-1030826-A (GB)
Title: Process for the production of cycloalkenes
IPC: C07C1/30
Filed: 1965-04-06
Abstract: A process for the production of cycloalkenes by splitting off HCl from chlorocycloalkanes comprises briefly heating a chlorocycloalkane in gaseous form in admixture with steam to a temperature between 300 DEG  and 800 DEG  C.  Specified alkenes include cyclopentene, cyclohexene, cycloheptene and 1-methyl-cyclohexene-3.  The process may be carried out by passing the mixture through a heated stainless steel or ceramic tube which may contain a ceramic filler.
Patent GB-677781-A (GB)
Title: Gumming of paper web
IPC: B31B23/60
Filed: 1949-05-31
Abstract: 677,781. Coating webs. GAUT, M. May 31, 1949 [June 18, 1948; July 21, 1948] Nos. 14622/49 and 14623/49. Class 140. A continuously moving web of paper is coated with a thick hot gum in a predetermined pattern so that the web may be subsequently cut and formed into envelopes, packets, bags or letter cards, the web being heated prior to the gumming operation by passage over a heated rotary cylinder, and immediately after passing the gumming device the web is passed over a heated curved and smooth table. A paper web 1, Fig. 1, taken from a reel 2 passes a heated cylinder 3 and has the desired pattern of gum applied to it as it passes around a roller 16. The gumming device comprises a pick-up roller 20, an adjustably mounted transfer roller 14, and an applicator 4 having a concentric cylindrical plate 13 which applies the gum to the pattern. After being coated the web is passed over a heated curved and smooth table 5 exposed to the open air and through a drying chamber 6 equipped with drying lamps 9. The openings 7 and 8 in chamber 6 for the web serve as air intakes to allow air to be drawn through the chamber by a fan 11. After passing over a roller 19 the web may be reeled or passed on to a machine for cutting and folding into the finished article. Prior to being gummed the web may be printed, e.g. by including printing apparatus between guide rolls 17 and 18. In a modified gumming apparatus, Figs. 2 and 3, gum is flowed on to a roller 20 from a valve 23 supplied from a reservoir 21, the gum being heated as it passes through a duct 22 by a heating jacket 25. Excess glun is scraped off the sides of roller 20 by knives 37, 38 and is collected in a drainer 33 from which it may be recovered in a tank 36 and preheated prior to being returned to the reservoir 21. A valve 40 may be included in the duct 22 for taking test samples of the gum. The applicator roller 31 is provided with two applying plates 13a and 13b.
Patent GB-560914-A (GB)
Title: Improvements in and relating to ship's rudders
IPC: B63H25/38
Filed: 1942-10-21
Abstract: 560,914. Ships' rudders; welding metal articles. LIVINGSTON, J. Oct. 21, 1942, No. 14780. Convention date, Sept. 27, 1941. [Class 114] [Also in Group XXII] A rudder of the kind mounted about a vertical axis A, A in the stream from a propeller 5 and formed with an intermediate horizontal plane 5-5 in line with the propeller axis and steering surfaces fore and aft of the vertical axis, is constructed with the forwardly extending steering surfaces 6 meeting to form a leading edge 8 directed downwardly and outwardly to one side of the vertical longitudinal median plane of the rudder, and the similar surfaces 11 below the said horizontal plane form an edge 13 directed upwardly and outwardly 'to the other side of the median plane, and a web 16 connects the oppositely directed parts at the forward end, and a similar web 7, Fig. 6, connects the other parts at the rear end. The rudder is preferably of the balanced type. In constructing the rudder the stock is made from a tube 30, Fig. 4, slightly shorter than the height of the rudder, and castings 31, 36 fitted with pintles 32, 37 for mounting the tube are welded thereon. A series of shaped diaphragm plates 40a ... 40g and 41a ... 41g are welded to the tube, and also a bottom plate 42, top plate 43, and a shelf 44 of heavier stock than the diaphragm plates are also welded to the tube 30. The side plates 20, 21 are welded to the diaphragm plates while held temporarily secured thereto by wedges 55, Fig. 6, which engage pins 53 on tongues 50 secured to the diaphragm plates and passed through slits in the plates 20, 21. The tongues 50 are cut off after the welding is completed. The plates 20, 21 are welded to the tube 30 and to pipes 48 shaped to give the required contour to the leading edge of the rudder of the plates 20, 21 are formed of two parts as indicated on Fig. 6, the ends are welded together as shown at 30a. The trailing edges of the plates 20, 21 are welded together along the lines 22, 27, Fig. 1. In a modification, Fig. 8, rudder is mounted differently, the rudder stock 70 corresponding to the tube 30 being extended through a neck bearing 73 secured to the transom frame, and provided with a bearing sleeve 83 of lignum vitµ in which is mounted a brass bushing 81 which is shrunk on to the tube 70. The tube 70 is keyed and bolted to a stock extension 79. Specification 560,922 is referred to.
Patent GB-1067163-A (GB)
Title: Improvements in, or relating to, vices and auxiliary jaws for use in connection with vices
IPC: B25B1/24
Filed: 1963-04-16
Abstract: 1,067,163. Vices. SCEE ENGINEERING Ltd., and W. J. WORTHINGTON. July 17, 1964 [April 16, 1963], No. 14825/63. Heading B3B. A vice comprises an extension 11 on one jaw which is opposed to a block 5 pivoted on the other jaw. Grooved facing plates 3, 13 on the jaws extend proud of the upper edges of the jaws and rest on ledges 7, 12. A recess 18 enables flat discs to be gripped horizontally. Alternatively, the extension and block can be formed on auxiliary jaws 23, 24, Fig. 3 (not shown), secured to the vice jaws by lips 23c, 24c and grub screws 26, 26a. If it is desired to grip a tapered body, a wedge 28, Fig. 8 (not shown), is inserted between the vice jaw. and the auxiliary jaw 24. In a further modification, the auxiliary jaws are secured by a flange 30, Fig. 9 (not shown), which is inserted behind the facing plates 32 on the vice jaws, the existing screws 31 on the vice then being re-tightened. In another modification, parts of the lips 23c, 24c are cut away, and screws. 35, 35a, Fig. 11 (not shown), are inserted through the end walls of the auxiliary jaws, which are then mounted vertically-on the vice jaws.
Patent GB-559984-A (GB)
Title: A method of and means for producing canned skinless sausages
IPC: A22C11/00
Filed: 1942-10-23
Abstract: 559,984. Moulding by cutting; food preparations; preserving food. REDMAN, R. P., and HARRIS (CALNE), Ltd., C. & T. Oct. 23, 1942, No. 14916. [Class 87 (ii)] [Also in Group VI] A method of producing canned skinless sausages comprises introducing into a can containing unprocessed sausage meat a previously lubricated means to form the meat into sausages, and withdrawing the means, and subsequently processing the meat in the can. The meat may be initially uncooked or only partly cooked, and after withdrawal of the dividing means the can may be heated to cook the meat and produce a filling of fat between the formed sausages. This filling facilitates separation of the sausages. The lubricant applied to the dividing means may be fat or water (e.g. as steam) and may be applied hot. Figs. 1 and 4 show a hand-operated dividing device comprising a tube 2 having radiating webs 3. The tube is pressed down into the meat by means of handles 8, and is guided for movement in slots in a stripping plate 9 which rests upon the can. Rods 12 secured to the plate 9 extend through holes in the plate 6 and carry thumb-plates 15 by which the stripping plate is held down while the divider is raised. A central disc supported by a rod 16 strips the central sausage. Figs. 5 and 7 show apparatus in which the can of meat is placed on a platform 24 which is then raised by a compressed-air piston 23 into contact with a stationary dividing means 41. As the can rises it pushes up, against the action of springs 37, stripper plates 49 carried by a plate 51. When the can descends, the stripper plates descend with it. A steam jacket 30 surrounds the dividing means, and from the jacket steam is sprayed on to the means. The webs of the dividing means may be closed at their outer ends to conform with the curve of the can. The webs are reinforced at their edges by wires.
Patent GB-573414-A (GB)
Title: Improvements in or relating to locks for bicycles, tricycles and the like
IPC: E05C1/04
Filed: 1943-09-14
Abstract: 573,414. Locking bolts. STEVENS, W. W. Sept. 14, 1943, No. 15033. [Class 44] [Also in Group XXXI] Means for locking one of the wheels of a cycle against rotation comprises a flat bolt 11 slidable in a two-part metal casing 1, 3 secured to one of the frame tubes or stays, the bolt when in the protruded position shown passing between the spokes of the wheel (not shown) and being locked both in this position and in its retracted position, in which the wheel is free, by a spring- loaded pin 18 which can only be withdrawn by means of a special key 23. The key is formed as a nut adapted to engage a screw thread on the end of the pin 18. The pin is squared at 22 to prevent its rotation and its inner end 17 can engage in either of two holes 15, 16 in the bolt 11. The bolt is normally retracted by a spring 13 and is pushed by hand into the locking position after the pin 18 has been withdrawn. The parts 1, S of the casing are secured together by rivets 4, and the casing and a clamp 6 are secured to a frame tube by means of screws 8 the heads of which are accessible through holes in the casing part 3 only when the bolt is in its retracted position. Flanges 7 are formed on the clamp 6 to prevent turning of the screws 8 by means of pliers.
Patent GB-544418-A (GB)
Title: Improvements in or relating to selective circuits for alternating current signallingsystems
IPC: H03H7/46
Filed: 1940-10-10
Abstract: 544,418. Voice-immunity circuits. HADFIELD, B. M. Oct. 10, 1940, No. 15099. [Class 40 (iv)] In a circuit for preventing the actuation of a receiver designed to respond to currents of one or more definite frequencies when currents of other frequencies are present as well, the guarding voltage for disabling the receiver is obtained from a resistance shunting one or more resonant circuits associated with a high-impedance constant-current source, the signal voltages being obtained from the separate elements of such resonant circuits, or the guarding voltage is obtained from a resistance in series with one or more anti-resonant circuits associated with a low-impedance constant-voltage source, the signal voltages being derived from these. Where two or more tuned circuits are involved, combined voltages may be used. The arrangement shown for example provides for the combination of voltages VL1, VL2 and VC1, VC2.
Patent GB-591623-A (GB)
Title: Improvements in or relating to oscillograph methods of measuring short periods of time
IPC: G01S1/02
Filed: 1941-11-24
Abstract: 591,623. Radiolocation. COMPAGNIE POUR LA FABRICATION DES COMPTEURS ET MATERIEL D'USINES A GAZ. Nov. 24, 1941, No. 15113. Convention date, Aug; 3, 1940. 40 (v)] [Also in Group XXXVI] In apparatus for the measurement of shorttime intervals by means of a cathode-ray oscillograph, particularly applicable to an electro-magnetic echo obstacle detecting system, the cathode-ray trace is brightened for a short adjustably timed interval in each trace and a higher speed time base corresponding to the selected interval is displayed on a vernier oscillograph. The pulse for application to the grid of the main oscillograph to cause brightening of the selected section of trace is preferably obtained by means of a rotating field phaseshifting transformer fed with a frequency equal to that of the main time base, the phaseshifted output controlling relaxation oscillator circuits producing the required short pulse. This pulse is also employed to generate the saw-tooth time base wave for the vernier. oscillograph, and the angular position of the phase-shifting control, which may be geared down, when an echo signal is opposite a stationary reference mark on the vernier oscillograph indicates the range of the obstacle. The short pulses may also be applied to the cathode-ray tubes used for direction finding indications to permit only signals produced by obstacles in the selected range interval to be displayed. The system is particularly applicable to the remote transmission of range information by coupling to the shaft of the phase-shifting transformer a device for repeating its angular position to distance. Specification 589,593 is referred to.
Patent GB-595652-A (GB)
Title: Improvements in or relating to fountain pens
IPC: B43K5/04
Filed: 1945-06-15
Abstract: 595,652. Fountain pens. MABIE, TODD, & CO., Ltd., and SEARS, E. S. July 15, 1945, No. 15199. [Class 146 (iii)] In a self-filling fountain pen in which a presser-plate is operated by a rotary knob to deflate the sac, an inclined member is so arranged that, when the knob is partly retracted, the presser-plate slides along the inclined member across the barrel to deflate the closed end of the sac, and when the knob is further retracted, a bar having one end connected to the end of the presser-plate nearer the nib and the other end abutting some convenient stop, moves that end of the presser-plate across the barrel to complete the deflation of the sac. As shown in Figs. 1 and 2, a member formed from wire has an inclined portion 5c and sides 5b and is formed with a loop 5a by means of which a screw 12 and a washer 15 connect it to the operating knob 4 which is screw-threaded in the end of the barrel 1. The presser-plate 6 has a hole at one end engaging the inclined member 5c and is hinged at the other end 16 to a back bar 7 which may be of mild steel or spring steel whose end abuts a shoulder 3 of the barrel. When the knob 4 is unscrewed from the position of Fig. 1 to that of Fig. 2, the end of the presserplate 6 slides down the inclined member 5c across the barrel, and on further unscrewing of the knob 4 the bar 7 abutting the shoulder 3 causes the nib-end of the presser-plate 6 to move across the barrel. The open end of the sac 13 fits over a plug 11 which is exteriorly screw-threaded to engage the nib-holder 8; the plug may have longitudinal channels in its interior wall. The screw 12 may be replaced by a split press-stud. In a modification, Fig. 12, the inclined member 5c, sloping the opposite way, is fixed between two washers 21 on a screw 20 of faster pitch than the screw of the knob 4 so that when the knob 4 is retracted the inclined member 5c moves towards the nib. The nib end of the presser-plate 6 is hinged at 23 to a short tail-bar 22 which abuts against the nib holder 8. When the knob 4 is partly retracted the end of the presser-plate 6 moves down the inclined member 5c from the longer to the shorter side 5b to deflate the closed end of the sac 13 and on complete retraction of the knob to the position of Fig. 12 continued movement of the screw 20 and the inclined member towards the nib causes the bar 22 to abut the nib-holder 8 and force the nib-end of the presserplate 6 across to complete the deflation of the sac. Specifications 390,585 and 457,212 are referred to.
Patent GB-852739-A (GB)
Title: Improvements in or relating to clay-coated compound bars
Inventor: TROPP EMMERICH
IPC: E04C5/07
Filed: 1957-05-14
Abstract: 852,739. Structural bars. STAUSSZIEGELINDUSTRIE A. G. May 14,1957, No. 15213/57. Drawings to Specification. Class 20(2) [Also in Group XXXVI] A compound bar, suitable for use as a structural element, comprises a bar of metal, e.g. iron, provided with a sheath of clay rich in silica and baked, to form a thin intermediate eutectic layer between the clay sheath and the metal whereby the compound bar has substantially higher tensile strength than the uncoated bar. The clay should not contain less than 50 % silica and preferably not less than 12 % aluminium and 5 % iron. Preferably the metal body is also heated before application of the clay to form an oxide coating to improve the bond.
Patent GB-1066936-A (GB)
Title: A releasable pipe coupling
Inventor: STANDING HUGH HARVEY HUMPHREY
IPC: F16L37/14
Filed: 1965-04-09
Abstract: 1,066,936. Pipe couplings. BTR INDUSTRIES Ltd. April 5, 1966 [April 9, 1965], No. 15273/65. Heading F2G. Spigot - and - socket members 12, 11 are provided with grooves 20, 25 which register when the spigot is assembled in the socket and the latter has four holes spaced at 90 degrees intervals around the periphery thereof and which break into the groove 25. The arms 17 of a removable U-shaped member and of square, hexagonal or circular section are inserted into any two adjacent holes 17 to extend chordwise of the members 11, 12 and in the registering grooves 20, 25. Shoulders 21, 22 form locating means for the spigot and socket, and an 0-ring 15 is accommodated in a groove 16 in either the spigot or the socket.
Patent GB-529141-A (GB)
Title: Fuel injection apparatus for internal combustion engines
IPC: F02M45/08
Filed: 1939-05-23
Abstract: 529,141. Fuel injection devices. BISCHOF, B. May 23, 1939, No. 15296. [Class 7 (iii)] Fuel is supplied by a pump through an injector provided with means by which a preliminary injection precedes the main injection. During the delivery stroke of the pump plunger 2, fuel is forced from a chamber 3 into a delivery passage 13 raising a spring- pressed valve 15 which displaces fuel out of a delivery chamber 14 into a conduit 24 leading to the injector. No substantial quantity of fuel is delivered into the chamber 14 until a collar 18 on the valve 15 has been raised above the valve seat ; thereafter fuel is delivered under increasing pressure into the conduit 24. The fuel pressure is transmitted to a chamber 40 and displaces a spring-pressed piston 44 which forces a preliminary charge of fuel through a passage 34 to orifices 33 controlled by a needle valve 36 loaded by a spring 52. Near the end of the movement of the piston 44 a port 56 is uncovered to admit the fuel pressure to a chamber above a piston 50 acting on the upper end of the spring 52, the pressure closing the valve 36. Shortly afterwards the movement of the piston 44 is arrested. Further increase in fuel pressure lowers the piston 50 to increase the closing force of the spring 52 until movement of the piston is arrested by an abutment 55. During the movement of the piston 50 communication is established between the chamber 43 and the passage 34 through grooves in the piston which register with a port 59. After movement of the piston 50 has been arrested, further increase in the pressure of fuel delivered by the pump opens the valve 36 to effect the main fuel injection. Continued movement of the pump plunger 2 brings a helical edge 12 into register with the supply port 5 and the reduction of pressure in the chamber 3 causes the valve 15 to close. Pressure in the conduit 24 is relieved by the increase in volume of the chamber 14 and the return of fuel past the valve 15. When the pressure in the chamber 40 falls the piston 44 returns and the consequent reduction in pressure in the passage 34 allows the valve 36 to close and thus terminate the main injection. When the port 56 is closed the fuel pressure in the chamber 43 opens a non-return valve 63 to throttle the fuel flow and thus prevent surging in the chamber 40. The ports of the injector are secured by a screw plug 30 in a sleeve 31. In a modified construction, the port 56 is uncovered to transmit pressure to the loading piston 50 and close the valve 36, during movement of the piston 44 to effect the preliminary injection. Movement of the piston 50 uncovers a passage which establishes communication between the chamber 43 and the passage 34 to effect the main injection. The fuel escaping from the chamber 43 on release of the pressure in the pump passes through an annular throttling passage formed around the top of the piston 44.
Patent GB-776666-A (GB)
Title: Improvements in alternators and/or associated filter networks
Inventor: GRANT BRAHAM
IPC: H03H7/01
Filed: 1954-05-24
Abstract: 776,666. Inductor alternators. DE HAVILLAND PROPELLERS, Ltd. March 23, 1955 [May 24, 1954], No. 15301/54. Class 35. [Also in Group XL (b)] An inductor alternator comprises a stator 1 and a rotor 2 having six equally spaced poles. The stator comprises two sets of iron laminations 3, 4, the set 3 having poles 5, 6 and a core 7 to receive two windings 8, 9. Similarly, the set 4 has poles 10, 11 and windings 13, 14. The two sets of laminations 3, 4 are spaced by two further sets 15, 16 which include permanently magnetized laminations and carry energizing windings 17, 18. The rotor acts in known manner to effect cyclic flux variations in the stator laminations 3, 4 the pole pieces being shaped to achieve approximately sinusoidal variation. In the winding circuit diagram, Fig. 6, L1 represents the windings 8, 13 and L2, the windings 9, 14, L1, L2 being connected to the A.C. output terminals 26, 27. The windings 8, 9, 13, 14 are wound in the same direction on the laminations 3, 4 in order to obtain the desired coupling between L1 and L2, the use of split windings enabling a coupling coefficient approximating to unity to be achieved. The capacitors C1, C2 provide power factor-correction and together with L1, L2 form a filter to prevent distortion of the waveform when the device is connected to a non-linear load. The energizing windings 17, 18 are fed from a fullwave rectifier 28, shorted turns 30 being included in the windings to prevent flux variations.
Patent GB-422393-A (GB)
Title: Improvements in or relating to multi-stage compressors
IPC: F02B71/04
Filed: 1934-05-22
Abstract: 422,393. Air compressors. JUNKERS, H., 21, Hauptmann Loeper Platz, Dessau, Anhalt, Germany. May 22, 1934, No. 15307. Convention date, May 20, 1933. [Class 8 (i)] A multi-stage compressor is so combined with a free piston engine that the engine piston and the compressor piston of a lowpressure stage are connected by a hollow piston rod in which is located the piston of a higher pressure stage. The two engine pistons 2, 3, travel in opposite directions in the engine cylinder 1, and are each connected by a hollow piston rod 6 with the pistons 7 working the low pressure cylinders 8. The high-pressure cylinder 11 is mounted on the head 10 of the low pressure cylinder. The pistons 12 of the high pressure stage are connected by the piston rods 13 to the engine pistons 2, 3. A ball-joint 34 prevents the pistons from seizing. The engine pistons are connected by racks 21, 22 to ensure synchronous movement. As these racks are located inside the cylinder 8 of the low-pressure stage, this cylinder is greater in diameter than the delivery capacity of the compressor requires. A portion of the indrawn gas therefore is expelled through the outlet valves 24 to the scavenging air supply prior to compression.