baber/WOPTO huggingface dataset:
Patent GB-236931-A (GB)
Title: Improvements in or relating to heat enduring structures
IPC: C22C38/40
Filed: 1925-07-01
Abstract: 236,931. Hybinette, N. V. July 12, 1924, [Convention date]. Alloys. - Heat-resisting articles particularly resistant to the action of alkalies, are made from iron alloys containing 18-40 per cent of nickel and 28-40 per cent of chromium, with or without the addition of a metal having softening properties such as 1-10 per cent of cobalt or 0.5-5 per cent of copper, and are provided with an adherent protective coating of oxide by heating under oxidizing conditions in the presence of an alkali compound or salt. Preferred compositions are 30 per cent of chromium, 20 or 35 per cent of nickel, 1-5 per cent of carbon, 1 per cent of silicon, and 0.5 per cent each of aluminium and manganese.
Patent GB-531683-A (GB)
Title: Improvements facilitating the take-off of aeroplanes
IPC: B64F1/00
Filed: 1939-06-10
Abstract: 531,683. Launching aeroplanes. ARMSTRONG WHITWORTH AIRCRAFT, Ltd., Sir W. G., and MURRAY, C. V. June 10, 1939, No. 17055. [Class 4] An aeroplane is provided with steerable landing wheels by which the pilot can steer the aircraft during take off in a spiral path of ever increasing radius into the wind, the pilot being guided by an indicator responsive to centrifugal force which may have markings to indicate the maximum permissible side pressure on the wheels. Several markings may be provided corresponding to the resistance of the wheels to side slip upon different ground surfaces. The steerable landing gear described in Specification 531,684 is referred to.
Patent GB-762534-A (GB)
Title: Method of and circuit arrangement for measuring the phase angle between two electrical oscillations of equal frequency
IPC: G01R25/00
Filed: 1954-06-11
Abstract: 762,534. Phase discriminators. WANDEL, W., and GOLTERMANN, U., [trading as WANDEL & GOLTERMANN]. June 11, 1954 [June 15, 1953], No. 17235/54. Class 40(5) Oscillations from circuits 1, 2, Fig. 1, whose phase difference is to be measured, produce in circuit 3 pulses of duration corresponding to the phase difference, and a harmonic of this pulse train is selected at 4, its amplitude being measured by a meter 5. Pairs of positive and negative pulses and a reference phase shift of 90 degrees are preferred, the duration of the pulses varying with varying phase shift. For zero phase difference and zero harmonic output a pulse duration of T/n is produced where T is the pulse recurrence period and n is the order of the harmonic chosen. In one embodiment of the device 3, oscillations E<SP>1</SP> and E<SP>2</SP> of rectangular wave form are applied to opposite poled pentodes 13, 14, Fig. 4, E' through transformer 10 in antiphase to grids 11 and 12 and E<SP>2</SP> through a 90 degrees phase-shifter 15 to grids 16 and 17. Valves 13 or 14 conduct, according to the relative phases of the oscillations on their grids, to develop across resistors 22 the preferred pulse train. A further embodiment employs valves having a limiting characteristic and followed by diode shaping networks to produce the required output from sinusoidal inputs, Fig. 5 (not shown).
Patent GB-739066-A (GB)
Title: Improvements in cylinder locks
Inventor: ROWLEY CHARLES PERCIVAL
IPC: E05B35/12
Filed: 1952-07-10
Abstract: 739,066. Cylinder locks. FOX & R. H. MORGAN, Ltd., H. & J. Oct. 9,1953 [July 10, 1952], No. 17388/52. Class 44. A cylinder lock of the tumbler pin type, which is operable by means of two or more different keys but by no single or incomplete number of keys separately, comprises a barrel 10 having a row of spaced radial tumbler pins (12, 13 and 14) rotatable in a casing 11 having spring urged locking pins 19 arranged in recesses in tows 16 and 17, Fig. 5, angularly spaced in planes 1-1 and 3-3, Fig. 6, the locking pins in the primary row 16 corresponding in number to the tumbler pins whereas the secondary row 17 contains a pin and corresponding recess fewer than the primary row 16 and is adapted to be released by a setting key 23 of appropriate length by which the barrel may be angularly moved to transfer the tumbler pins from plane 3-3 to plane 1-1, the setting key then being replaceable by an operating key 15, Fig. 4, by which the lock may be released. The cam edge of key 23, Fig. 2, holds tumbler pins 13 and 14 flush with the edge of the barrel 10 but holds pin 12 above the level of the barrel and allows rotation anti-clockwise only to the extent of the arcuate channel 18, Figs. 5 and 6, in which the rounded head of pin 12 runs. Withdrawal of key 23 in its position in plane 3-3 locks the barrel with locking pins of row 16 and the presence of a locking pin corresponding to pin 14 allows the insertion of the longer operating key 15, Fig. 4, as the high point 25 on the cam edge of the key can force the tumbler into the recess and effect full entry. Key 15 holds all the tumbler pins flush with the barrel surface and allows a full clockwise rotation to operate a bolt mechanism. Alternatively the arcuate channel may be made on a circumference of the barrel 10 which passes through the recess for tumbler pin 12 but in this case will only allow anti-clockwise rotation of key 15. To the end of the barrel 10 furthest from the key entry a disc 53, Fig. 8, is keyed between which and the bolt casing 26, another disc is pivotally mounted about the barrel and carries lever arms 29 and 30. Lever 29 engages with a spring 31 and a recess in the bolt to hold the bolt firmly in the fully shot or open positions. Lever 30 slides the bolt in and out of its casing and by means of stud 32 engages with the lug 34 (on disc 33) the arcuate length of which determines the amount of " lost movement " of the barrel in which the setting rotation can be made without engaging the bolt. The invention may be extended to the use of more than two keys by increasing the number of rows of locking pins of the kind 17, each row having one more locking pin and recess than its predecessor and arcuate channels being provided between pin recesses of adjacent rows.
Patent GB-569793-A (GB)
Title: Improvements in or relating to cam-operated electric switches for controlling a sequence of operations
IPC: H01H43/12
Filed: 1943-10-22
Abstract: 569,793. Automatic control systems. BIRMINGHAM ELECTRIC FURNACES, Ltd., and LEAN, R. J. Oct. 22, 1943, No. 17404. [Class 38 (iv)] [Also in Groups XXIV and XXXVII] In an arrangement particularly adapted for controlling a rocking furnace so that this rocks to equal distances on either side of a central line, a motor drives a cam 12 through an infinitely variably speed gear controlled automatically and manually and the cam operates two contact levers 55, 56 controlling respectively the forward and reverse movements of the motor that rocks the furnace. Thus, as the cam rotates, the lever 55 closes its contacts for a predetermined time dependent on the angular distance between the lobes 14 of the cam and the motor rocks the furnace in one direction. There is then an interval during which both pairs of contacts controlled by the levers 55, 56 are. open, and the furnace is stationary. Then the lever 56 closes its contacts and the furnace is rocked in the other direction. The electric motor 30 drives the cam-shaft 15 through a disc 18, which drives two discs 17 situated on either side of it by means of two balls 19 pressed between the discs and carried by an arm 21, movement of which about an axis 22 thus varies the speed of the discs 17 and shaft 15. The arm 21 is operated by movement of an arm 23, Fig. 2, on the same axis 22 and the arm 23 is moved bv rotation of a speed-varying cam 25, which may be operated by the electric motor through a chain of gearing so that the speed of rotation of the cam 12 continuously decreases, thereby increasing the time of closure of the switches 55, 56 and thereby the angle of rock of the furnace. The chain of gearing may be broken by pressing a push-button, after which the speed of the cam remains constant. The speed varying cam may also be set manually by rotating the pushbutton. During normal operation, the furnace rocks to equal distances on either side of a datum line, but should it deviate from this, correcting mechanism restores the desired condition. This mechanism includes a phase cam 68, also mounted on the shaft 15 and a contact 72 which is moved into engagement with a contact 73 or 74 excepting when the cam is in such a position as that shown in which a lever 69 rests midway on a sloping part of the cam between portions of greater and lesser radius. Each time the furnace passes a datum line, an electric impulse is sent to a, contact 72 which is in the central position shown if there is proper synchronism. If there is not, current flows through contact 73, or 74, to a coil 75, or 76, thereby moving an armature 77 and rotating one way or the other two linked eccentrically-mounted shafts 60 on which the levers 55, 56 are pivoted. The effect of this is to increase the time of closure of one lever and decrease the time of closure of the other, thereby restoring the rocking of the furnace to its symmetrical state.
Patent GB-930921-A (GB)
Title: Roof flange constructions for pipes
Inventor: CHURCH HERMAN SAMUEL
IPC: E04D13/14
Filed: 1961-05-15
Abstract: 930,921. Roofs. MONARCH RUBBER CO. May 15, 1961, No. 17694/61. Class 20 (4). [Also in Group XXVIII] A roof formed from wood sheathing 22 and layers of roofing material 23 is provided with an opening for a vent pipe 21 surrounded by a device 13 of rubber and having a flange 11 disposed between the initial and subsequent layers 23. In another construction, the roof is formed from wood sheathing and overlapped asphalt shingles.
Patent GB-630363-A (GB)
Title: Sheet feeding mechanism
IPC: B65H3/38
Filed: 1947-07-14
Abstract: 630,363. Feeding sheets. ADDRESSO- ' GRAPH - MULTIGRAPH CORPORATION. July 14, 1947, No. 17600/49. Convention date, Feb. 8, 1941. Divided out of 630,336. [Class 100 (i)] A sheet separating and feeding mechanism for feeding sheets to an offset printing machine comprising cylinders 26, 27, 28 driven by a motor 30 as described in Specification 630,336 from which the present application is divided, is constructed with means for separating the sheets from the pile W in the form of a suction foot 60 carried by a shaft 66 pivotally mounted in arms 63 on a shaft 68 which is oscillated by a crank 21 driven by the printing-machine and link mechanism. As the foot 60 is raised from the top of the pile, a roller 76 mounted in the carrier 75 of the foot engages a guide 77 under action of a spring 78, and the foot is moved slightly rearwards and assumes the positions indicated at 79, Fig. 5, and then a roller 80 mounted in the carrier 75 engages an adjustable screw 81 and the separator with sheet attached is swung forwards to carry the sheet into the bite of rollers 61, 62. Double feed is prevented by adjustable scrapers 86 acting on the front edges of the sheets. The pump 90, which is connected by exhaust pipes to the separator, is connected by a pressure pipe to a blast pipe 110 which assists in the sheet separation. The suction to the foot 60 is cut off automatically by the opening of a valve 99, Fig. 4, by means of a screw 103 on a lever arm 101 on the shaft 68. The valve is held open by a catch 108 on a lever 106, which is automatically operated to release the catch on return of the arm 101. In a modification wherein printing is effected for each two revolutions of the press, means are provided for allowing the valve 99 to be kept open long enough to permit of the feeding of only one sheet for each two revolutions of the press.
Patent GB-789393-A (GB)
Title: Improvements in or relating to reciprocating pumps
Inventor: ROUX GABRIEL CHRISTIAN LE
IPC: F16N13/08
Filed: 1955-06-17
Abstract: 789,393. Reciprocating pumps. GURNEY, M. T., GURNEY, R. A., and GURNEY, E. H., [trading as GURNEY'S ELECTRICAL CO.]. June 17, 1955, No. 17615/55. Class 102(1). A pump for insertion into a container comprises a column 2, having a device 37 for securing it in the container opening, carrying at one end a cylinder 1 having an inlet valve 5 and a piston 23 having a bucket valve 25 delivering through a piston rod 11 closed at the top end and having a nipple 28 connected to a flexible pipe 18 the other end being connected to an inlet 14 in a head 9 secured to the top end of the column 2. Liquid from the inlet 14 fills a reservoir 29 and passes through a filter 41 to an outlet 17. The reservoir 29 may be screwed or clamped to the head 9. A guard ring 35 secured to the column 2 surrounds the reservoir. The rod 11 is reciprocated by a lever 22 pivoted on the head 9 at 21 and passing through a ring 27 on the rod. In a modification two nipples on the rod 11 are connected by flexible pipes to the inlet 14.
Patent GB-1083627-A (GB)
Title: Improvements in or relating to miniature ball-bearings
IPC: F16C27/00
Filed: 1966-04-22
Abstract: 1,083,627. Bearings. INSTITUT DR. ING. REINHARD STRAUMANN A.G. April 22, 1966 [April 23, 1965], No. 17835/66. Heading F2A. A three-point ball thrust bearing for supporting a shaft having a conical end has a race which consists of a single dish-shaped metal member provided with a flat face on its rim and a conical centring surface, the race being urged axially by a spring. In an embodiment, the race 1, Fig. 1, is mounted in a bearing body 4; the conical centring surface 1c is formed on the rim 1a of the race 1; and the conical centring surface 1c is urged into abutment with an annular face 4c of the bearing body 4 by a spring 5. The body 4 has a flange 4d which supports the spring 5 and has an aperture 4b through which passes a shaft 3 having a conical end 3a, the latter engaging balls 2. In a modification, a race 11, Fig. 4, is urged by a dishspring 15 which, having a raised central portion 15a, co-operates with a conical centring surface 11c of the race 11 to effect alignment of the race relative to a shaft 13. In another modification, a conical centring surface 18b, Fig. 5, of a race 18 is engaged by a centring- cone 20a of a member 20. The latter is slidably mounted in a hollow member 16 and is urged by a spring 21. The member 16 is provided with screw threads 16a and a screwdriver slot 16f.
Patent GB-859905-A (GB)
Title: Improvements in or relating to partitioned boxes, trays or the like
Inventor: PERSSON KARL RUNE
IPC: B65D5/4805
Filed: 1959-05-26
Abstract: 859,905. Cartons. AHLEN & AKERLUND FORPACKNING A. B. May 26, 1959, No. 17871/59. Class 18. To form the four-cell carton shown in Fig. 4 from the blank shown in Fig. 1 panels 1a-4a are folded about a line 6 to lie in face-to-face contact with four side panels 1-4 ; the blank is next folded at 5 and 511 and tab 8 is secured to panel 4; a tab 4c is secured to a part 3b and a tab 2c to a part 1b whereupon, on applying pressure to corners 5, 5<SP>11</SP> of the collapsed carton, the sides 1-4 open out, parts la-4a form the bottom and parts 1b-4b form adjacent portions as seen in Fig. 4. Cuts 2f, 2g and 4f, 4g provide lugs and slots which interengage at the centre of the carton to maintain the carton in its erected state.
Patent GB-219479-A (GB)
Title: Improvements in and relating to rotary metal working tools and sockets therefor
IPC: B23B51/00
Filed: 1923-07-11
Abstract: 219,479. West, C. A. July 11, 1923. Drills; sockets. - Boring &c. tools have a detachable cutting end 14 provided with a conical shank in which is a groove engaging a cylindrical pin 20 inserted in a hole 19 drilled parallel to one side of a conical recess 17 in the tool body 13. The axis of the hole lies outside the recess so that the pin is retained, in the body. The plates on the body are continuous with those on the end 14, and a hole 21 is provided for an ejector. Other tools, such as end facing or milling cutters, may be secured to their sockets in a similar manner.
Patent GB-165756-A (GB)
Title: Improvements in and relating to roll-film mechanism for photographic cameras
IPC: G03B17/30
Filed: 1921-07-01
Abstract: 165,756. Sayo, K. July 1, 1920, [Convention date]. Cameras, roll-film.-In lieu of a film winding-knob a flexible chain or connection 20, Fig. 1, with a pulling-ring 22 passes over and rotates a wheel 11 operatively connected with the winding- roll 4, and to prevent overwinding the film and its backing have spaced notches which engage pins 34 on resilient arms 32, and the latter serve to frictionally hold the film when sufficiently wound, as will also be indicated by the usual viewing opening 27 and mark on the film. The flexible member 20 is connected to an elastic member 19 wound round a spring drum 16. The member 19 provides a yielding action during the pull on the chain. The wheel 11 is loosely mounted on a spindle 6, Fig. 4, extending from and keyed to the winding-roll 4 and has ratchet teeth 14 engaging a ratchet-wheel 15 mounted in a recess of the wheel 11 and resiliently connected with the spindle by a spring 10 so that the wheel 11 freely rotates backwards when the chain 20 is returned by the spring drum 16.
Patent GB-960617-A (GB)
Title: Improvements in building structures
Inventor: MORGAN LINDSAY RHYS
IPC: E04B1/32
Filed: 1961-05-17
Abstract: 960,617. Floor and roof frames. CAROMIC & CO. Ltd. July 12, 1962 [May 17, 1961], No. 17963/61. Heading E1V. Frames 1, Fig. 2, in the form of isosceles triangles, are secured together side-by-side with the corners of six adjacent frames meeting at a point to form a lattice serving as a floor or roof supporting structure. The base sides of the frames are aligned, in one direction across the lattice, with the base sides of adjacent frames, and are connected side-by-side with the base sides of the adjacent frames, in the direction at right angles to said one direction. The base of each isosceles triangle may equal its height. Each side of a frame comprises a channel section girder formed by a web 3, Fig. 4, of plywood and flanges 4 which project inwardly of the frame from its upper and lower edges. All components of the frame are held together only by glue. Adjacent frames are secured together by glueing the abutting webs, assisted by bolts 6. Wedge shaped strips 12 may be inserted between facially opposed webs forming the sides and/or the bases of the isosceles triangles to provide a lattice arched about a longitudinal and/or transverse axes. Specially shaped peripheral closure members 11 may be provided. The invention is applicable to a pitched roof structure.
Patent GB-1182344-A (GB)
Title: Moistening Mechanism for Incorporation in a Rotary Flat Bed Lithographic Printing Machine
IPC: B41F3/30
Filed: 1967-04-19
Abstract: 1,182,344. Moistening mechanism in printing machines. AGFA GEVAERT A.G. 19 April, 1967 [20 April, 1966], No. 17963/67. Heading B6C. The messenger roller 9, Fig. 2, of a flat bed rotary lithographic printing machine is mounted to oscillate about the axis of a ductor roller 8 to transmit water from a trough to a distributing roller 4, manual setting means being provided for a range of adjustment between a position in which the roller 9 remains out of contact with the roller 4 and a position in which the rollers 9 and 4 remain in constant contact. The roller 4, which is supported in a moistening/inking mechanism frame is axially reciprocable and also acts as an ink rubbing roller receiving ink from ductor and messenger rollers 6, 7. All the rollers in the frame are gear driven, the drive deriving from the machine in which the frame is incorporated. The swinging drive to the messenger roller 9 derives from a cam and follower arrangement the cam being mounted on the spindle 35 of the roller 4. The follower is mounted at the end of a lever which transmits an oscillatory movement to pivoted arms supporting the roller 9 through a shear pin which is adjusted by the manual setting means to vary the amplitude of the arms thus determine the time of dwell of the roller 9 upon the roller 4.
Patent GB-835062-A (GB)
Title: Coal getting apparatus
IPC: E21C27/02
Filed: 1957-06-06
Abstract: 835,062. Mineral - mining apparatus. EICKOFF MASCHINENFABRIK UND EISENGIESSEREI GEB. June 6, 1957 [June 9, 1956], No. 17980/57. Class 68(1) In the periphery of a rotary drum 30 or aligned cutter discs 32 are pivotally mounted cutter picks 31 having opposed tips 44, 45 that permit of cutting without resetting of the picks irrespective of the direction of rotation of the drum or the discs, which are secured to a horizontal, driven shaft extending from the side of a motor-containing housing 28 mounted on for movement along a face conveyer 16. A sledge frame 25 is positioned between the housing and the conveyer. Stops on the frame limit movement of the housing about a pivot pin 27 upstanding from the frame so that the shaft takes up a horizontal position at the face side of the machine extending at approximately 2 degrees to one side or the other of a vertical plane at right angles to the trough depending on the direction of advance of the machine. Advance of the machine is due to driven sprockets in the housing engaging the links of a fixed chain extending along the top of the conveyer side. The frame is steadied on the sides by claw couplings extending between the frame and a guide rail secured to the troughing, Cutting is upwards and rearwards. The mineral is received on a sloping ramp 56 hinged to a fixed ramp 48 secured to the chassis and is delivered by the ramps on to the conveyer. The ramps can be provided at either end of the machine.
Patent GB-1081625-A (GB)
Title: Improvements relating to light reflective markers and signs
Inventor: WEBB RONALD RICHARD
IPC: B29C48/08
Filed: 1965-04-29
Abstract: 1,081,625. Light - reflecting laminates. HOWARD CLAYTON WRIGHT Ltd. April 26, 1966 [April 29, 1965], No. 17989/65. Heading B5N. A light-reflective laminate comprises a metal foil sandwiched between layers of plastics material, the foil being formed with a plurality of concave pockets, the layer of plastics laying against the open sides of the pockets being transparent or translucent, and being formed so that its surface comprises a plurality of convex protuberances arranged so that, for at least some of these, each protuberance is aligned with a pocket in the foil. Preferably the pockets and protuberances are both of partspherical shape. Such a laminate is suitably produced by embossing a metal foil to provide a plurality of part-spherical pockets, covering the foil on each side with a layer of plastics material, e.g. in an extruder, and subsequently embossing a surface of the plastics material to provide part-spherical protuberances. The preferred plastics material is cellulose acetate butyrate.
Patent GB-440197-A (GB)
Title: Improvements relating to the prevention of wear during the running in of ferrous metal parts of engines and machinery
IPC: C23C8/12
Filed: 1934-06-18
Abstract: The bearing surface of a ferrous metal part of an engine or machine is protected from damage during the running-in process by forming a thin oxide film on the surface by heat treatment after the final machining of the part.  Prior to the final machining the part is heated to the temperature at which it will subsequently be maintained during the oxidation process in order to prevent distortion.  The film is coloured and may be yellow, straw, blue, purple, or grey according to its thickness.  It may be produced with normal steels by heating for about 10 minutes at 280 DEG  C. or for about one hour at 260 DEG  C.  Moisture or steam may be introduced into the heating chamber or oven.  Alternatively the film may be produced by heating in moist oxygen for about 10 minutes at 240 DEG  C.  If compounds containing nitrogen, e.g. ammonia or ammonium salts, are present the temperature may be reduced to, for example, 170 DEG  C.  Stainless steels and other austenitic steels may require higher temperatures, e.g. 350 DEG  C.  The treatment of bearings, piston rings, and case-hardened gears is referred to and the treatment of cylinder liners and crankshafts is referred to in the Provisional Specification according to which the heating prior to the final machining is optional.