baber/WOPTO huggingface dataset:
Patent GB-266844-A (GB)
Title: Improvements in and relating to electrically-driven lawn-mowers
IPC: A01D69/02
Filed: 1925-12-16
Abstract: 266,844. Watson & Sons, Ltd., H., and Watson, E. Dec. 16, 1925. Lawn-mowers.-The motor of an electricallydriven lawn-mower having side wheels is mounted within the cutting-cylinder and drives it directly or through gearing. The motor a is supported by hollow sleeves b fixed in the side frames c. The rotary cutter is mounted coaxially on ball bearings e on the sleeves b and is driven from the motor spindle g by pinions f, h and an internally toothed wheel k on one of the discs m of the rotary cutter. A clutch may be provided. Space is left between the blades n of the cutter and the motor a for the escape of cut grass. The ledger blade is carried by pivoted arms so as to be adjustable Land wheels d are mounted on studs w and an adjustable supporting-roller t is provided. Shafts or handles are mounted in sockets on the side frames c. A grass, box may be mounted behind or in front of the rotary cutter. The current is supplied through a long flexible cable led in through one of the sleeves b. A controlling switch is mounted on one of the handles. In a modification one of the discs m is keyed directly to the motor spindle. In another modification the armature of the motor is fixed and the field winding and housing rotate, the cutter blades being mounted on or attached to the housing. The land wheels d may be driven from the spindle g through gearing and clutches.
Patent GB-430139-A (GB)
Title: Improvements in devices for atomizing liquids
IPC: B01D1/20
Filed: 1934-11-06
Abstract: 430,139. Spray-producers. NYROP, J. E., 38, H. C. Oerstedsvej, Frederiksberg, Copenhagen. Nov. 6, 1934, No. 31855. Convention date, Nov. 11, 1933. [Class 69 (iii)] An atomizer of the kind comprising a rotary disc 1 having vanes 4 mounted thereon in the centre of which liquid is fed, is provided with means for deflecting the liquid supplied thereto for effecting uniform distribution over the vanes. The means may comprise a reciprocating disc 5, Fig. 1 to which liquid is supplied by a pipe 7 or in a modification it may comprise a cone 8, Fig. 3, which may be stepped as shown, to which liquid is fed by a pipe 9. The supply pipe may either be fixed or reciprocated. Specification 259,922, [Class 69 (iii)], is referred to.
Patent GB-783231-A (GB)
Title: Apparatus for joining metal strips by welding
Inventor: ANDERSON LYSLE VERNON
IPC: B23K9/00
Filed: 1955-11-08
Abstract: 783,231. Making metal sheets; welding by fusion; shearing. BLISS CO., E. W. Nov. 8, 1955, No. 31864/55. Classes 83 (2) and 83 (4). [Also in Group XXIII] In apparatus for joining metal strips, having a pair of spaced strip clamps, and a movable strip shear and welding unit having spaced strip shear and welding means disposed between the clamps, a support is provided for the unit movable between the clamps a distance substantially equal to the spacing between the shear and welding means. An apparatus for insertion in a steel strip processing line, e.g. ahead of a pickling line, comprises a frame A carrying at its ends clamps C, C1 each having a fixed upper jaw 20 and a lower jaw 21 pivoted to and movable by piston and cylinder devices 22. The clamp C is capable of limited movement against a spring 34. A frame 41 carrying a fixed shear blade 46 on an arch 44, a movable shear blade 48, a welding unit W and a welding clamp C2 comprising a fixed upper member and a slotted lower member 21a movable by piston and cylinder members 22 is movable between the clamps C, C1 on guides 40 by a piston and cylinder device 61. The lower shear blade 48 is secured to a block 47 which is reciprocable in guides 49 by means of piston and cylinder devices 58 carried on trunnions 59 on the frame 41 and acting through bell cranks 52 pivoted on a shaft 51 fixed in the frame 41 and linkage 54. The welding head W. which carries a welding electrode tool and an upper sand blast nozzle N is mounted on a carriage 68 rolling on a track 67, a sand blast nozzle N1 being provided beneath the nozzle N. The nozzles are each surrounded by a vacuum return duct. A driving chain 81 connected to the carriage 68 passes over sprockets 82, 83 and a second chain 78 connected to a block 74 carrying the nozzle N1 passes over sprockets 79 mounted with the sprockets 82. In operation with the strip feed stopped, the clamp C1 is closed on the strip and another strip is fed by rollers 15 to overlap the clamped strip beneath the shear blades as shown in Fig. 2. Clamp C is closed and then the shear blade 48 is raised to cut the strip ends. With clamps C, C1 still closed the frame 41 is moved towards the clamp C until a stud 36 on the frame engages a block 35 on the clamp C and moves the clamp against the spring 34 to space the strip ends. The welding clamp C2 is now closed and the carriage 68 is traversed from loft to right in Fig. 1. Abrasive from the nozzles N, N1 cleans both strip edges ahead of the weld. After the weld is made the carriage 68 is traversed from right to left with abrasive cleaning of the weld. The lower members of the clamping and shearing devices may be fixed and their upper members movable. The strip ends need not be lapped for shearing but may be sheared successively and the cut ends need not be spaced.
Patent GB-193944-A (GB)
Title: Improvements in and relating to brake mechanism for tramway and other vehicles
IPC: B61H7/02
Filed: 1921-11-29
Abstract: 193,944. Spencer, C. H. Nov. 29, 1921. Skid; transmitting-mechanism.-Mechanism for applying vehicle track brakes comprises a member B slidable horizontally against a roller R disposed between it and a fixed member A and having an inclined surface B<4> between which and an inclined surface C<1> on a vertically movable member C a second roller R<1> is disposed. The brake block D carried by the member C is then depressed to engage the track when the member B is actuated by the pull-rod B<3>. According to the Provisional Specification the mechanism may be used for other types of brake.
Patent GB-226673-A (GB)
Title: Improvements in or relating to corsets
IPC: A41F1/04
Filed: 1923-12-20
Abstract: 226,673. Sherriff, E. J., and Langridge (Kingswood), Ltd. Dec. 20, 1923. Corsets; brassiÞres; stiffeners. -In the manufacture of a corset or like garment in which one busk b is provided with holes or or slots c, the busk is made up with the corset and covered before the holes are punched through the busk and covering fabric. Eyelets d having a flange and a deep body are then put through the holes and clinched over the fabric. In a preferred form, key-hole slots c are arranged near each end of the busk b so that the latter may be sprung over studs e on the other busk.
Patent GB-1403544-A (GB)
Title: Method for injecting a gaseous reacting agent into a bath of molten metal and means for carrying out said method
IPC: C21C5/34
Filed: 1972-07-07
Abstract: 1403544 Treating molten metals with gases ALLEGHENY LUDLUM INDUSTRIES INC 7 July 1972 [9 July 1971] 31979/72 Heading C7D The gas is injected into the bath as a stream of bubbles having a trajectory giving a residence time sufficient for completion of reaction while preventing contact of the bubbles with the refractory lining of the vessel. In a preferred embodiment the mass flow-rate of the gas is determined from the metallurgical characteristics of the system, and the gas is then injected through at least one orifice where where NRE is the Reynolds number and is not less than 10000, W is the gas mass flow-rate in 1b/sec Á is the gas viscosity in 1b/in-sec- and do is the diameter of the or each orifice, the injection pressure being selected to ensure that the gas will not contact the lining, possibly according to the Formulae where L v  is the vertical penetration of the bubble in inches Lh is the horizontal penetration P 0  is the gas pressure in 1b/sq. in # is the angle of inclination of the orifice with respect to the vertical Injection may be through a submerged lance or through the side wall(s) of the vessel and may be horizontally to at least one-third the distance from the orifice to the opposite wall, and vertically to at least one-third the total bath depth.
Patent GB-373547-A (GB)
Title: Improvements in or relating to sound film attachments for kinematographs
IPC: G03B31/02
Filed: 1931-11-18
Abstract: 373,547. Sound reproducing apparatus associated with kinematographs. ZEISS IKON AKT.-GES., 72, Schandauerstrasse, Dresden, Germany. Nov. 18, 1931, No. 32007. Convention date, Nov. 25, 1930. [Class 40 (ii).] A sound-film reproducer and its driving motor are combined together to form a unitary structure which is adapted to be mounted on the platform of a kinematograph projector. As shown in Fig. 1, a sound reproducer 2 is mounted with its driving motor 3 on a common baseplate 1. The motor 3 drives the sound-film sprocket 4 and the shaft 5 of the motor 3 carries an axially adjustable chain wheel 6 which drives the kinematograph projector by means of a chain 9. The complete unit is mounted on the platform 8 of the kinematograph projector. In one modification, Fig. 4, the driving motor 3 is directly secured to the sound reproducer 2 which is mounted upon a baseplate 1 secured to the platform 8 of the kinematograph projector. The driving shaft of the motor 3 rotates an intermediate shaft 11 through gearing 12, 13, and on this shaft 11 is an axially adjustable chain wheel 6 which drives the kinematograph projector.
Patent GB-659990-A (GB)
Title: Improvements relating to photo-electric cells
IPC: H01L31/00
Filed: 1949-12-14
Abstract: 659,990. Light-sensitive cells. WESTING- HOUSE BRAKE & SIGNAL CO., Ltd. Dec. 14, 1949, No. 32040. Convention date, Jan. 17. [Class 40 (iii)] In a process for the manufacture of selenium photo-electric cells, the selenium is annealed at a temperature below 200‹ C., and preferably between 130‹ and 140‹ C., whilst being strongly illuminated by light rays of the visible and/or infra-red portions of the spectrum, The annealing may be carried out in free air.
Patent GB-1525348-A (GB)
Title: Multinuclear phenols and their use in the production of resol resins
IPC: C07C37/14
Filed: 1976-08-02
Abstract: 1525348 Production of multinuclear phenols BAYER AG 2 Aug 1976 [2 Aug 1975] 32063/76 Heading C2C [Also in Division C3] The invention relates to the preparation of compounds of formula wherein R 1  and R 2  represent a radical of Formula II in which R 3  is H or -CH 3 , and R 4  represents H, an alkyl group or a group of formula or one of R 1  and R 2  is H and the other is a radical of the Formula II, or mixtures of compounds of Formula I, which may contain 0 to 80% by weight of Bisphenol A, wherein Bisphenol A is reacted with a phenyl alkenyl compound of Formula IV in which R 3  has the meaning specified above and R 5  represents H, an alkyl group or a group of Formula V in which R 3  has the meaning specified above, in the presence of a catalytic quantity of aluminium phenolate. The following compounds are prepared in the Examples:- 4 - (4<SP>1</SP> - hydroxy - α,α - dimethylbenzyl) - 2 - α,α - dimethylbenzyl - phenol and 4 - (4<SP>1</SP> - hydroxy - 3<SP>1</SP> - α,α - dimethylbenzyl) - α,α - dimethylbenzyl) - 2 - α,α - dimethylbenzyl phenol.
Patent GB-1016783-A (GB)
Title: Improvements in or relating to golf-balls
Inventor: KENNEY MICHAEL JOHN
IPC: A63B37/00
Filed: 1961-09-07
Abstract: A golf ball comprises a central core wound with an unvulcanized rubber thread which has been crystallized by being rapidly extended to near its breaking point, and provided with an outer cover.  The core may either be hollow and filled with liquid or paste, or may comprise a spherical steel member encased in a homogeneous, solid, spherical casing.  The cover may be formed from gutta-percha, a non-cellular polyurethane, or a synthetic trans-polymer of a conjugated diene containing up to six carbon atoms in the molecule.
Patent GB-440519-A (GB)
Title: Improvements in or relating to chimney pots
IPC: F23L17/02
Filed: 1934-11-08
Abstract: 440,519. Chimney tops. JOHNSON, J., Northumbria, Golf Side, Cheam, Surrey. Nov. 8, 1934, No. 32137. [Class 25] In a chimney top in which a cylindrical shield 6 surrounds and extends above and below the flared upper end 2 of the smoke uptake 1, the flared upper end is protected from downdraught by a flat plate 4 large enough to overhang the flare so as to form with it an annular outlet which is outwardly convergent in radial section. An inner cylindrical member 5 may extend upwardly from the periphery of the flat plate, openings 11 being provided for drainage. The uptake 1 may be formed with cuts 15 to ensure a tight fit in an existing chimney pot and with lugs 14 to enable it to be fixed in position by means of wiring. The plate 4 may be hinged so as to be temporarily displaced when the chimney is being swept.
Patent GB-782481-A (GB)
Title: Shaped articles of porous styrene polymers having impact-resistant surfaces and a method for the production of such shaped articles
IPC: C08J9/34
Filed: 1955-11-10
Abstract: A shaped article comprises a porous cellular styrene polymer with an impact-resistant surface at least 51 per cent by volume of which comprises a porous cellular styrene polymer of low specific gravity, an impact resistant layer of a copolymer of an unsaturated polyester resin with a liquid vinyl compound which only partly covers the surface of the shaped article, and a layer of a porous cellular styrene polymer of higher specific gravity arranged in between.  The liquid vinyl compound is preferably styrene.  The article is produced by partially covering the inside of a mould capable of being closed in a non-gastight manner with a layer of an initially polymerized mixture of an unsaturated polyester resin and a vinyl compound, covering this with a layer of particles of polystyrene containing 3-15 per cent of a volatile non-solvent organic liquid, filling the remainder of the mould with pre-expanded cellular particles of a polystyrene which are still expandable then heating to expand and copolymerize. Specification 715,100 is referred to.
Patent GB-394567-A (GB)
Title: A firing mechanism for automatic firearms
IPC: F41A19/46
Filed: 1932-11-14
Abstract: 394,567. Automatic firearms. HANSEN, H. C., 6, Geislersgade, Copenhagen. Nov. 14, 1932, No. 32212. [Class 119.] An automatic firearm is adapted to be set for continuous or single-shot firing by the provision of a transverse spindle 10, Figs. 2, 4 and 6, which is journalled in the trigger plate 1 and carries tripping mechanism 5, 6 for the breechblock sear 4, the spindle being axially movable with the parts 5, 6 to either of two positions. In one position of the spindle the arm 6 of the tripping mechanism is positioned so as to be struck by the recoiling breech-block 14, thereby enabling the sear to re-engage with a bent 13 therein, and in the second position the arm is moved out of the path of the breech-block and holds the sear in its depressed position to permit continuous firing as long as the trigger 2 is pressed. In the form shown, the sear 4, lever 5, a sear 7 for the tumbler 8, and a rocker 9 are all carried by the pin 10. The lever 6 is pivoted to one arm of the lever 5 and is connected by a spring 20 to a second arm ; a third arm of the lever 5 engages in a notch 19 of the sliding trigger 2. When the trigger is pulled a shoulder 23 on the lever 6 rocks the sear against the action of a spring 12. On recoil, and for single-shot firing, a wall 16 of the breech-block strikes a head 25 on the lever 6 thereby releasing the shoulder 23 from the sear and allowing the latter to re-engage with the breech-block. The shoulder is subsequently returned into engagement with the sear by the spring 20. For continuous firing the spindle 10 and lever 5 are moved laterally against the action of a spring 22 by a spring-controlled sliding pin 40 an inclined face 39 of which bears against a bevelled end of the spindle 10. In this position, the head 25 of the lever 6 is out of the path of the wall 16 and the shoulder 23. holds the sear in the depressed position until the trigger is released. The tumbler sear 7 and rocker 9 are controlled respectively by springs 27, 32, the rocker being formed with an upstanding arm which is normally pressed into engagement with a groove 33 in the other wall 17 of the breech-block. On firing, a cam surface 34 at the end of the groove depresses the rocker and a lug 35 thereon depresses the sear 7 to release the tumbler which strikes the firing pin 45. A rotatable safety device 30 is formed with a lug 29 for engaging a nose 28 on the sear 7, and with a surface 31 which is adapted to project into the path of the sear 4. The lever 5 and sear 4 are prevented from being inwardly displaced by a lug 18 formed on the trigger.
Patent GB-210060-A (GB)
Title: Tacking and barring machine
IPC: D05B3/08
Filed: 1923-12-27
Abstract: 210,060. Singer Manufacturing Co., (Assignees of Allen, E. B.). Jan. 20, 1923, [Convention date]. Button-hole sewing- machines. - A machine for barring and tacking is provided with a workclamp comprising jaws which are caused to be approached, so as to contract the end of a buttonhole &c. slit, by means operated by the starting device in moving the stop-motion lever to starting position. The clamping.feet 29 are carried by shanks 28 pivoted to a slide 33 held by a plate 35 on a block 21 carried by an overhanging arm 20. The. slide 33 and feet are adapted to be depressed into engagement with the work by a leaf-spring 44 engaging a lateral extension 43 of the slide and may be lifted out of engagement by the manual raising, through an arm 42, of a bar 41 having a projection 40 which engages a stud 39 on the slide. A bar 23 sliding in a slot in the block 21 is provided at its lower end with wings on which are parallel surfaces 26, 26<1> and inclined surfaces 25 which engage rollers 27 on the shanks 28. When the slide is raised the inclined surfaces . cause the approach of the clamping-feet, the parallel surfaces 26<1> being forced tightly against the rollers. In starting the machine the usual stop lever 10 is shifted by the manual actuation of a. lever 60 by which a rod 55 is shifted to turn a. bell-crank lever 52 and to raise the slide 23 and spread the feet, the slide 23 being retained in raised position after the release of the lever 60 and rod 55 by the jamming of the surfaces 26<1> and rollers 27. When the slide 33 and feet 29 are lifted at the close of a sewing operation the rollers are raised clear of the inclines 25 and the feet are moved apart by a spring 37, the slide 23 and bell-crank lever 52 being returned by a spring 57. A thin blade 48 is mounted on an extension of the slide 33, to assist the operator in correctly placing the, button-hole slit.
Patent GB-498946-A (GB)
Title: Improvements relating to pivoted window fastenings
IPC: E05F11/00
Filed: 1937-11-25
Abstract: 498,946. Window fastenings. HOPE & SONS, Ltd., H., and MANTLE, P. A. Nov. 25, 1937, No. 32470. [Class 44] A hinged window fastening of the kind comprising a spring-shot latch bolt b releasable by a knob on the bolt, or by a lever formed with a handle or ring c which is operable by hand or a hook on the end of a pole, may be made releasable by a cord by the provision of a pulley g mounted in a separately formed bracket f secured to the fastening. As shown, the bracket is formed of bent metal strip and provided with lugs h having apertures which register with apertures in the lugs d provided on the bolt casing a so that the same screws e serve to fix both fastening and bracket to the window. The cord may also serve to open and close the window in the usual way.
Patent GB-1482714-A (GB)
Title: Pressurised dispensers
IPC: B65D83/14
Filed: 1974-07-24
Abstract: 1482714 Pressurized dispensing containers WILKINSON SWORD Ltd 24 July 1974 [18 Aug 1973] 32628/74 Heading F1R A "reservoir" holding propellant in a pressurized dispensing container comprises a crystalline organic polymer with which the propellant forms a solution with at least 15 per cent of its own weight of propellant. The vapour pressure over the reservoir being less than that of the pure propellant and the reservoir releasing propellant as the container is emptied.
Patent GB-321818-A (GB)
Title: Improvements relating to means for controlling the driving-arrangements in spinning machines
IPC: D01H1/26
Filed: 1928-11-08
Abstract: 321,818. Gegauff, C. Nov. 8, 1928. Driving-arrangements; spindle-driving apparatus; winding-on motions.-In a spinning-machine the driving-arrangements are controlled in accordance with the tension on the yarn and without having a feeler constantly pressing thereon, either by means of a feeler applied to the yarn periodically or by means responsive to variations in the driving force required by the flyers or bobbins which force is dependent on yarn tension. In the first arrangement a feeler 2, Figs. 1 and 2, pivoted at 3 rests periodically on the yarn 1 deflecting it to the dotted position, Fig. 1, when the tension is normal, a projection 2<1> engaging a notch 9 to prevent movement of a finger 4. When the tension rises the feeler 2 is lifted and frees the finger 4 which is then actuated by a lever 6 driven by a crank 8 on the delivery roller 7 to rotate a drum 12 through a pawl 10 and ratchet-wheel 11, thereby shifting the belt 18 to reduce the speed of the bobbins and therefore the yarn tension. Alternatively, the pawl 10 acts upon a ratchet-wheel 20, Fig. 3. loosely mounted on the shaft of the delivery roller 7 to increase the speed of its driving-wheel 22 which is driven uniformly by the wheel 21. The motion of the yarn feeler may also be used to vary the speed of flyers or bobbins, the feeler in its rest position lying on a support. When the device is in operation the support is lowered and if the tension is normal the feeler is also lowered. If the tension is excessive a clearance exists between the feeler and support in which a tongue can oscillate to operate the device whereby the yarn tension is adjusted. The device may operate electrically. In regulating the flyer speed a differential 29 - - 32, Figs. 5 and 6, driven by the shaft 28, is incorporated in the flyer-driving elements and a lever 36, under con. trol of a spring 35 and connected by a rod 40 to a pawl 39 carried by an oscillating lever 38, is moved according to the yarn tension. In one extreme position the pawl 33 will drivel the wheel 31 to increase the flyer speed. In a modification, the flyer is driven by the device 41 - - 52, Fig. 8, the pawl 42 acting to secure the drive at normal tension from the shaft 43 through the wheels 44, 45, 46. To correct for both excessive and reduced tension, one of two members 59, 60, Fig. 9, oscillated about a shaft 63 by an eccentric 64 is adapted to engage a feeler in the position 58 when the tension is too great and in the position 58<1> when too small, the feeler occupying a free intermediate position when the tension is normal. The arrested members act through pawls 67, 72 to move the driving belt on its pulleys and thereby compensate for the excessive or reduced tension.
Patent GB-847368-A (GB)
Title: Improvements in or relating to colour film scanners
Inventor: QUINN STANLEY FREDERICK
IPC: H04N5/257
Filed: 1955-11-16
Abstract: 847,368. Colour television. ELECTRIC & MUSICAL INDUSTRIES Ltd. Nov. 5, 1956 [Nov. 16, 1955], No. 32723/55. Class 40(3). A continuously moving colour film 12 is scanned in interlaced fashion by a flying-spot scanner 1 by displacing the scanned patch between two positions (either optically as described in Specification 475,032 or electrically as described in Specification 705,197) and the light passing through the film is directed to three photo-cells (not shown) by dichroic mirrors 4, 5. In accordance with the invention, the mirrors are oriented so that the field scan direction on their surfaces is at right angles to the optical axis of the scanner. By this means, variation in the transmission characteristics of the mirrors, which is due to variation in the angle of incident light and is least for angles around 90 degrees, is made a minimum in the field scan direction and hence results in a minimum of flicker due to luminance variations between the two scanned positions. Variation in colour graduation may be corrected as described in Specification 847,369.