baber/WOPTO huggingface dataset:
Patent GB-400310-A (GB)
Title: Improvements in or relating to kerbs for roads, streets and the like
IPC: E01F9/053
Filed: 1932-05-11
Abstract: 400,310. Reflectors. DORMAN, LONG, & CO., Ltd., Zetland Road, Middlesbrough, HARRISON, G. H., 34, Turner Street, Redcar, and BOW, W., 50, Belle Vue Road, Grove Hill, Middlesbrough, both in Yorkshire. May 11, 1932, No. 13533. [Class 97 (i).] A reflecting device for attachment to kerbs, walls, fences, and like boundaries of roads, comprises a holder 1, cemented or otherwise secured to the kerb 8 or the like, and a reflector 9, Figs. 5 and 6, removably mounted in and protected by the holder. In the form shown, the holder is of white metal and is shaped to provide a flange 4 adjacent its closed rear end 2, and a recess 5 at its open front end 3. The reflector is mounted in a carrier 10, a left-handed screw-thread 13 on which engages with a screw-threaded central recess 11 in the holder. One or more reflectors may be arranged within a single holder and where a number are used they may be arranged in rows of staggered formation. In a modification, the carrier 10 is dispensed with and the screwthread 13 is formed on the reflector.
Patent GB-628057-A (GB)
Title: Improvements in or relating to apparatus for causing electric oscillations to be frequency-modulated or phase-modulated by sound oscillations
IPC: H03H2/00
Filed: 1947-05-20
Abstract: 628,057. Phase modulation. PHILIPS LAMPS, Ltd. May 20, 1947, No. 13533. Convention date, May 23, 1946. Drawings to Specification. [Class 40 (v)] The output from a constant-frequency oscillator is phase-modulated by passage through a phase-displacing network, the condensers of which form the capacities of a multiple condenser microphone. The frequency characteristic of the latter may be such as to produce frequency modulation and also introduce a " pre-emphasis " of higher frequencies. The output of the network may be fed to a frequency multiplier to increase the phase or frequency shift.
Patent GB-633503-A (GB)
Title: Improvements in wave guide couplings
IPC: H03H2/00
Filed: 1947-05-20
Abstract: 633,503. Magnetrons. WESTERN ELECTRIC CO., Inc. May 20, 1947, No. 13538. Convention date, June 21, 1946. [Class 39 (i)] [Also in Groups XL (b) and XL (c)] A wave-guide coupling device comprises a halfwave cavity resonator with a resonant slot in one end wall and a non- resonant aperture in the other. A rectangular wave-guide formed in a cylindrical block 15 is coupled to a slot 22 in the anode block 10 of a magnetron by a half wave resonant cavity 27 formed in a block 14 which fits into a bore in the anode block 10. The resonator 27 is tightly coupled to the magnetron slot 22 through a resonant slot 21 in the end wall 20 of the resonator 27 which acts as a frequency stabilizing cavity for the magnetron. The output wave-guide is loosely coupled to the resonator 27 by a non-resonant circular aperture 24. This loose coupling improves the Q of the resonator and reduces " pulling " of the magnetron frequency. Vacuum-tight seals are provided between the anode block 10 and the resonator block 14 and between the block 14 and the wave-guide block 15. The end of the wave-guide is sealed by a cap 25 with a glass window 26, and has an annular choke groove 28.
Patent GB-1106391-A (GB)
Title: A depilation process
IPC: C14C1/06
Filed: 1966-03-28
Abstract: In a process for depilating and bleaching animal hides and skins by oxidation, they are treated, e.g. in a tub which is occasionally rocked, with an aqueous solution or suspension comprising an alkali metal or alkaline earth metal peroxide, e.g. sodium peroxide, an alkali metal or alkaline earth metal hydroxide, e.g. sodium or calcium hydroxide, and, optionally, a basic amine, e.g. dimethylamine, and/or a neutral alkali metal or alkaline earth metal salt, e.g. calcium chloride.  The hairs are loosened and bleached, but not destroyed.  Their complete removal and recovery may be effected in a conventional stripping machine.
Patent GB-931705-A (GB)
Title: Improvements in or relating to fluid mixing devices
Inventor: HARRIS BERTRAM EDWARD
IPC: B01F5/10
Filed: 1961-04-14
Abstract: 931,705. Mixing fluids. BARKING BRASSWARE CO. Ltd. March 16, 1962 [April 14, 1961], No. 13607/61. Class 86. [Also in Group I] Apparatus for mixing fluids from two sources, e.g. hot and cold water from a domestic supply, comprises a body 1 divided into two parts 2, 3 by an internal partition 4, and an outlet member (of inverted U-shape, and formed by coaxial tubes 12, 13) having two fluid flow paths 12, 14 open to body parts 2, 3 respectively, but not communicating inside the outlet member; the fluids commingle upon projection therefrom. The outlet member is retained in the body by a circlip 19 engaged in a recess 11, and is sealed by 0-rings 15, 18 so that it can be rotated about a vertical axis 25. The aperture 8 is concealed by a shield 20 frictionally engaged with the enlargement 21 of the tube 13 by an 0-ring 22. Taps for controlling the fluid may be mounted on the body 1. Specification 669,295 is referred to.
Patent GB-354231-A (GB)
Title: An improved tool for planting or other purposes
IPC: A01C5/02
Filed: 1930-05-05
Abstract: 354,231. Hand tools for planting &c. SIMPSON & CO., Ltd., E., 17, Harriet Street, and AITCHISON, H., 96, Mill Street, both in Rutherglen, Lanarkshire. May 5, 1930, No. 13717. [Class 6 (ii).] In tools for planting, or sinking holes in putting greens, having arcuate blades 1 attached to hinge members 2 and operated by hand members 3, the hinge members 2 carry stop means to limit outward and inward movement of the blades, and each hinge member has a vertical part a for attachment to a hand member, a horizontal straight part b whereby each member is pivotally secured to the other, and a horizontal arcuate part c to which the blade is attached. The stop means comprises interengaging upstanding projections e with lateral extensions f on the parts b, so disposed that the blades, considered together, are of cylindrical and frusto-conical shapes respectively in the two limiting positions. The part b may be disposed tangential to or diametral of the arcuate part c. The blades 1 may be secured to the parts c by rivetting, welding, or by bolts or screws. Sheaths 7 may be provided round the hand members at their points of attachment to hinge members 2. Hand grips 6 may be positioned at the upper ends of the hand members.
Patent GB-719859-A (GB)
Title: An improved actuating device for the gates in pneumatic conveying pipe lines
IPC: B02C4/28
Filed: 1951-06-11
Abstract: 719,859. Roller mills. MAIG VERTRIEBSGES. June 11,1951 [June .12, 1950; Sept 8 1950]. No. 13765/51. Class 59 [Also in Group XXX] A flexible control cable 3 is connected at one end by fork 2 to the double roller mill operating devices 1 and at the other end to gate 7 which leads to a pneumatic conveyer 50 whereby the gate may be closed when there is no feed of flour through the mill. As shown, each cable 3 (Fig 2) is secured to one of two rods 11, the rods 11 being joined by pivoted links 13 having a common joint 15 which works in slot 16 formed in pivoted strap 17. When one mill ceases to feed. the resultant contraction of a cable moves its link 13 and merely swings strap 17 about pivot 19: when both mills cease, the contraction of both cables pulls up cable 18 to close the gate 7, springs 12 effecting the. contraction. Alternatively, the cable may be connected to the hand lever which engages or disengages the milling rollers so that the gate 7 is operated simultaneously with the hand operation of the rollers.
Patent GB-271872-A (GB)
Title: Improvements in and relating to electric switch operating mechanism
IPC: H01H3/28
Filed: 1927-05-23
Abstract: 271,872. British Thomson-Houston Co., Ltd., (Assignees of Rankin, W. K.). May 28, 1926, [Convention date]. Automatic circuitbreakers; oil switches; cases and covers. - The operative and tripping mechanism of a power-actuated oilbreak circuit breaker for out-door use are contained in protective casings secured to a structural plate forming a cover to the casing containing the lever and brake mechanism and carrying also the casing for the operating electromagnet which is arranged to form a return path for its magnetic flux. As shown in Fig. 2 the three units 2, 3, 4 of a three-phase circuit breaker are supported by a framework 5 and contain in upper chambers 6 parallel motion mechanisms which are adapted to be operated through a rod passing dovmwardly between the right-hand chamber 6 and the operating mechanism 10 this rod being surrounded by an enclosing tube 40. The operating and tripping mechanism is arranged as shown in Fig. 1 the rod 30 passing through the tube 40 being connected to a lever 31 pivoted to a lug 12 extending downwardly from a cover plate 11 to the lower side of which is secured a casing 13 surrounding the operating parts. A roller 33 on a floating lever 32 bears on the free end of the lever 31, the lever 32 being connected by a linkage 35, 36, 37 to the core 20 of the operating electromagnet 19 and by a pivoted bell crank 34 to the latching and tripping mechanism 16. The windings of the electromagnet 19 are protected by a magnetic casing 24 which serves as a return path for the magnetic flux, the upper end of the electromagnet being closed by a cap 27. The tripping mechanism is enclosed in a casing 17 mounted on the plate 11 and casing 13 and 17 are provided with inspection openings 42, 43. An inlet box 41 for the leads is also bolted to the base plate 11.
Patent GB-719576-A (GB)
Title: Improvements in or relating to horticultural frames
Inventor: GUTHRIE ARTHUR STUART
IPC: A01G9/20
Filed: 1952-05-30
Abstract: 719,576. Horticultural frames. WEST DOCK TIMBER CO.. Ltd. May. 29, 1953 [May 30, 1952], No. 13801/52. Class 20 (3) In a horticultural frame sash, the butt joint between each stile 1 and the lower rail 4 is shaped with a recess 2, preferably wedge-shaped, in the part of the sti'e below a glass-retaining groove 6 so that the glass covers the joint. The end of a top rail 3 is a!so shaped to fit the unrecessed portion of the stile and may have a tongue to fill in the end of the groove 6. The sides of the stiles of two adjacent sashes may be rebated to overlap one another, and the ledge of the lower rebate may be provided with a drainage gutter.
Patent GB-1044673-A (GB)
Title: Improvements in and relating to laminates
IPC: B32B27/00
Filed: 1963-04-08
Abstract: A partial polymer of diallyl phthalate is prepared by charging into a stainless steel reactor diallyl ortho-phthalate monomer, isopropanol and hydrogen peroxide and heating to 104-108 DEG  C. at total reflux. After ten hours the product is cooled and diluted with isopropanol to precipitate the polymer, which is then filtered off and dried. Compositions for impregnating non-woven fabrics (see Division D1) for use in making laminates (see Division B5) comprise this partial polymer, an organic peroxide catalyst and a volatile solvent. Preferably they also contain diallyl phthalate monomer, and they may contain an internal release agent.  In the example, the following materials are employed: as catalyst, tert.-butyl perbenzoate; as solvent, acetone; as monomer, diallyl ortho-phthalate and diallyl isophthalate; and as release agent, lauric acid.  In the laminating process, the dried impregnated sheet is heated at a temperature and pressure sufficient to convert the diallyl phthalate to a thermoset resin.ALSO:An overlay for a decorative laminate comprises an unpigmented fibrous carrier sheet of non-woven fabric containing a major proportion of polymeric fibres wherein at least 80% of the polymer-forming units are of acrylonitrile, impregnated with diallyl phthalate, of which 85-100% is a partial polymer and the remainder monomer, so that the diallyl phthalate amounts to 70-90% by weight of the impregnated sheet, and a peroxide catalyst, the sheet having a content of residual volatiles, measured by heating for 8 min. at 320 DEG F, less than 8% by weight.  The diallyl phthalate may be the ortho-, meta- or para-isomer.  In one example, the polymer is ortho- and the monomer meta-.  The sheet may also contain fibres of alpha-cellulose, rayon or cotton, or an internal release agent such as lauric acid, carnauba wax or beeswax.  The impregnant may be applied as a solution in a ketone, an aromatic hydrocarbon or an ester, which is then evaporated off at a temperature too low for any substantial advance in the degree of polymerization of the diallyl phthalate.
Patent GB-984605-A (GB)
Title: Improvements in or relating to digital resolvers
Inventor: SWALE ROY THURSTON
IPC: G06F7/68
Filed: 1962-04-10
Abstract: 984, 605. Electric selective signalling. DECCA Ltd. April 2, 1963 [April 10, 1962], No. 13861/62. Heading G4H. Digital information in the form of a pulse train is resolved into sine and/or cosine components in accordance with the angular setting # of an input control 23 by feeding the train to a binary counter 14, 31, 38, 39 each stage of which has a gate 18, 21, 32, 33, 41, 42 the control 23 so setting these gates that a number of the input pulses corresponding to the sine or cosine component of the input train passes to an output circuit 51, 52. In Fig. 1, rotation of the input control 23 rotates three 16 position wipers 25, 26, 27 so that to a 90 degrees rotation of control 23 corresponds 16 revs. of wiper 25, 1 rev. of wiper 26 and 1/ 16  rev. of wiper 27. Wiper 26 controls sine gates 18 of a ten-stage binary counter 14 via a diode matrix 28 to pass a fraction |sin (n90/16)| of the input pulse train to a sine output line 19, where n is the largest integer such that n90/16 < # 1 , where 0 # # 1  # 90 and sin # 1 | = | sin #|. Wiper 26 also controls (via a diode matrix 36) sine gates 32 of a second counter 31, identical to 14, to which the input train is also fed, to pass to a sine output line 34 a fraction | sin (n + 1)90/16 |- | sin (n90/16)| of the input train. Line 34 leads to a four-stage binary counter 38 having gates 41 controlled via a diode matrix 45 from wiper 25, so that a sine output line 43 from counter 38 receives a fraction | sin #| - | sin (n90/16)| of the pulses of the input train. The pulse trains on lines 19 and 43 are added together (none of the pulses being coincident) to form a train having a fraction | sin # | of the number in the input train which is passed to a polarity control 48 where each pulse is given a polarity depending on the quadrant of #, control 48 being controlled by wiper 27, so the train now represents sin #. The train is fed to a plotter drive motor 51, each pulse revolving the motor a certain amount. In a similar way (see Fig. 1) a plotter drive motor 52 receives a pulse train representing cos #. In airborne Doppler navigational apparatus, the two drive motors 51, 52 indicate components of distance travelled by the craft in two orthogonal directions if input control 23 indicates the direction and a pulse is added to the input train for each unit of distance travelled. If the navigational apparatus provides two pulse trains corresponding to distances travelled in two orthogonal directions, the course can be plotted with reference to two other orthogonal directions by providing a resolver as described for each pulse train and combining the sine and cosine output trains of the two resolvers. Positive and negative distances may be accommodated by controlling the direction of counting in accordance with the polarity of the input pulses or separate control signals.
Patent GB-896794-A (GB)
Title: Improvements in and relating to a fastener for securing a member to an apertured support
Inventor: PEARSON ARTHUR STANLEY
IPC: F16B5/12
Filed: 1959-04-23
Abstract: 896,794. Stud and socket fasteners. CARR FASTENER CO. Ltd. Feb. 1, 1960 [April 23, 1959; June 26, 1959], Nos. 13928/59 and 22034/59. Class 44. A fastener is formed of resilient flexible material and includes a shank 3 insertable into an aperture 4a of a support 4 to secure a member 5 thereto and a base 1 formed at one end of the shank and adapted to abut one face of the support 4 when the shank is so inserted, the base including an annular flexible portion 1a extending radially of the adjacent ends of the shank and an annular wall 2 extending substantially normal to the flexible portion and formed with a convexly curved peripheral surface 2a to enable the member to be secured to be snapped over said wall, the shank including an annular shoulder 3a spaced from the base and of sufficient flexibility to snap through the aperture in the support to engage the portion of the opposite face of the support adjacent the aperture, the flexible portion of the base I being adapted, when the shank is inserted into the aperture to flex into such position as to urge the under side of the annular wall into resilient engagement with the said one face of the support. As shown the wall 2 is divided into a plurality of segments, but in another construction it is not divided. As shown the shank is of circular cross-section but in a modification it can be of elliptical or oval cross-section in which case the size of the aperture 4a is made such that the shank is deformed to circular cross-section when inserted through the aperture.
Patent GB-1422732-A (GB)
Title: Stooling up the base frame of lifts and hoists
IPC: B66B9/16
Filed: 1973-03-22
Abstract: 1422732 Platform hoists T HEDSTROM 22 March 1973 [15 May 1972] 13966/73 Heading B8H A mobile platform hoist comprises a wheeled frame 3, a cage or platform 4 a mast 5 and a drive motor 6 with pinions in mesh with a rack on the mast. In use the hoist is moved to a desired site and the platform 3 raised along the mast a sufficient distance for feet (7), Fig. 3 (not shown), to be erected on the base of the platform. The platform is then lowered until the feet engage the ground, after which the frame 3 will be raised from the ground with continued operation of the motor. The wheels 2 are then removed and stools 8 inserted beneath the frame. The frame is then lowered and the hoist is ready for use.
Patent GB-495649-A (GB)
Title: An improved pneumatic tyre
IPC: B60C3/00
Filed: 1937-05-19
Abstract: 495,649. Pneumatic tyres. HENLEY'S TYRE & RUBBER CO., Ltd., and STANLEY, H. T. May 19, 1937, No. 13982. [Class 144 (ii)] Pneumatic tyres having slightly convex treads of a width approximately 80 per cent of the over-all width of the tyre are formed with lateral extensions 1 by which the tread width is increased up to 95 per cent of the maximum side-wall width, the extensions having undercut sides merging into the shoulder-portions 4 of the tyre.
Patent GB-218267-A (GB)
Title: Improvements in photographic enlargement or reduction apparatus
IPC: G03B27/34
Filed: 1924-06-10
Abstract: 218,267. Boucard, P. June 25, 1923, [Convention date]. Enlarging, copying, and reducing.-In apparatus for vertical projection, the position of the lens-carrier 18 for a given enlargement or reduction is determined by a stationary graduated dial 45 and pointers 43, 44 carried, on a pinion 42 operated by a rack 41 attached to the lens-carrier 18. Each pointer corresponds to a particular lens. The camera 24 can be used as a projection lantern, or as a negative holder for copying transparencies or opaque objects on the table 3. This table has a series of frames 46 of standard size on its glass-top, below which is an illuminating chamber 48 formed with opal glass sides and containing lamps 50 and an opal screen 49. The camera support comprises a bracket 7 slidably mounted on a graduated fixed upright 1 consisting of a split tube braced by rods 5. The bracket 7 is adjusted to the graduation corresponding to the enlargement &c. required by a hand-wheel 38 operating a screw-shaft situated within the tube 1 and engaging a travelling nut secured to bracket 7 by screw-bolts .through the tube. The camera is directly mounted on an upright 10, carried by bracket 7, and comprises adjustable lens-board 18, bellows 24, plate-holder frame 23, a condenser carried between supports 19, 20, and a lantern 25 carrying an opal lampbulb or a clear bulb behind an opal screen. The lensboard 18 is secured to a nut 17 vertically adjustable on a tube 14, carried by upright 10, by means of a screw-threaded rod 15 and a handwheel 16. A non-actinic lamp 35 and lamps 51 for illuminating objects on the table 3 are also provided.
Patent GB-413474-A (GB)
Title: Improvements in or relating to mine chocks
IPC: F16C19/38
Filed: 1933-05-15
Abstract: 413,474. Wedges. TEALE, J. W., Costhorpe, Carlton, Nottinghamshire. May 15, 1933, No. 14024. [Class 89 (ii).] A chock for use in mines comprises a main body portion 1 with an open end and having multiple wedge portions 2 inclined in a similar direction, a movable portion 5 having coacting wedge portions 6, and a locking device 4 movably secured to the main body portion. The locking device may be pivoted at 3 to the main portion and is provided with an extension 7 to receive hammer blows for releasing the lock. The locking porton may be apertured to receive the hook of a "Sylvester" for removal or a shackle 8 may be provided for this purpose pivoted to the locking device and adapted to act as a strut to the locking device in the expanded chock position.
Patent GB-1237624-A (GB)
Title: Air cooled magnetron device
Inventor: AOKI ICHIRO
IPC: H01J23/00
Filed: 1969-03-18
Abstract: 1,237,624. Magnetrons. TOKYO SHIBAURA ELECTRIC CO. Ltd. 18 March, 1969 [18 March, 1968; 20 Nov., 1968], No. 14037/69. Heading H1D. A magnetron, and at least one permanent magnet for providing its magnetic field, are mounted through separate apertures 12, 13, Fig. 2, in a cooling structure formed by a stacked array of plates forming channels through which air may be blown, Fig. 3. As described, the magnetron is of multi-cavity type (Fig. 6, not shown). In a modified embodiment, the plates are secured to the magnetron body and extend radially, tapering at the output end of the tube, to provide axial fluid flow passages 31, Fig. 8, portions of the plates being cut out to receive the magnets 15. The arrangement is shielded by a metal housing 32 and a detachable cap 33 of metal wire net.