baber/WOPTO huggingface dataset:
Patent GB-257559-A (GB)
Title: Improvements in or relating to the collection of latex from rubber trees
IPC: A01G23/10
Filed: 1926-07-24
Abstract: 257,559. Watson, Sir M. July 24, 1926. Latex, collecting. - A wetrepelling substance such as vaseline, or paraffin wax' is applied to rubber trees adjacent to the tapping cut B to prevent the latex from leaving the cut and flowing over the bank in wet weather. The substance is also placed above the cut to deflect rain-water flowing down the trunk from the tapped area. Supplementary cuts F with spouts D<1> may be employed in conjunction with the wet-repelling substance f to keep rain water out of the cut B.
Patent GB-572164-A (GB)
Title: Improvements in or relating to a vehicle mounting for movement on three triangularlyarranged wheels
IPC: B60B33/00
Filed: 1943-11-08
Abstract: 572,164. X-ray apparatus. KODAK, Ltd., and NAGEL, H. Nov. 8, 1943, No. 18542. [Class 98 (i)] [Also in Group XXXII] A movable base 1 (shown as carrying an X-ray screen 3 and a film-camera 5) is mounted on three wheels, of which two wheels 6 at one end of the base have permanently fixed parallel axes and the third wheel 7, Fig. 5, at the other end of the base normally has a castoring action about a swivel pin 8, but can be locked in position with its axis parallel to the axis of wheels 6 so that movement of the base 1 is limited to two opposite directions. Depression of a pedal 14 lifts the third-wheel end of the base by the protrusion of a pad-carrying plunger 9 and raises the wheel 7 off the ground so as to allow it to be turned into position for being locked by turning a horizontally-pivoted lever 18 into engagement with a slot formed in a plate 17 secured to the swivel pin 8. The pedal 14 is automatically locked in the depressed position by a pivoted lever 23 engaging a shoulder 28 of the pedal, release of the lock being effected by the operator's foot pressing upon the nose 27 of the locking lever prior to allowing the pedal 14 to rise so that the plunger 9 is withdrawn into the base and the wheel 7 is lowered to the ground in readiness for movement of the base 1. Locking of the third wheel with its axis at right angles to the axis of the other wheels may be provided for by a separate locking means.
Patent GB-708703-A (GB)
Title: Improvements in or relating to the preparation of a substituted amidopropane diol
Filed: 1952-07-22
Abstract: 2 - Dichloracetamido - 1 - p - nitrophenylpropane-1 : 3-diol is produced by condensing p-nitrobenzaldehyde with dichloracetamidoacetaldehyde in presence of a basic condensing agent to produce an aldol reaction product, and reducing the product by known methods.  The product of the condensation according to the example 2 - dichloracetamido - 3 - p - nitro-phenyl - 3 - hydroxypropane - 1 - al is used directly for reduction by an oxidizable aluminium alkoxide, or an alkali metal borohydride preferably in a solvent.  The product is a mixture of about 1 : 2 parts of the DL-threo and the DL-erythro forms, which is separated into components by known methods.  Diethyl dichloracetamidoacetal is obtained by the action of methyl dichloracetate on diethylaminoacetal, and is converted into the corresponding aldehyde used as above by the action of hydrochloric acid followed by alkali.
Patent GB-498314-A (GB)
Title: Improvements in cooling devices for fan bearings
IPC: F04D29/58
Filed: 1937-07-05
Abstract: 498,314. Screw fans. AKTIEBOLAGET SVENSKA FLAKTFABRIKEN, and ENGDAHL, S. M. F. July 5, 1937, No. 18698. [Class 110 (i)] A fan bearing b, located in a passage for gas conveyed by the fan 2, is surrounded by a cap 6 forming a duct for cooling air passing through one or more tubular arms 7 supporting the cap 6. The cap is separated into two chambers 8, 9 by a wall 10 which supports the bearing b. The cooling air is assisted by an auxiliary fan 16 mounted on the fan shaft 2, and in some cases by arranging the cap 6 to extend over the fan hub 18 to face the fan 2, the suction from fan 2 increasing or replacing the action of fan 16. The lubricant pipe 17 may be located in the path of the cooling air. The shaft 3 may be driven by belt or chain gearing passing through one of the tubular arms 7.
Patent GB-198635-A (GB)
Title: Improvements in connection with vacuum casings for toothed wheel gearing
IPC: F16N39/00
Filed: 1922-07-07
Abstract: 198,635. Schneider et Cie. June 3, 1922, [Convention date]. Machinery, vacuum casings for reducing resistance in.- In combination with a suction pump for main. taining a partial vacuum in a toothed gear casing, a conden. ser is provided for condensing oil vapour and returning the oil to the oil box or chamber. The condenser 4 is arranged with communication pipes 6, 7 between the gear casing 1 and a suitable suction device 3, such as a pump or ejector, and communicates with the oil box 5 through a pipe 8. The oil box 5 communicates with the lower part of the casing 1 and with the usual oil pump 2 for supplying the casing.
Patent GB-166530-A (GB)
Title: The manufacture and production of new mordant-dyeing colouring matters
IPC: C09B11/06
Filed: 1921-07-11
Abstract: Triphenylmethane dyes, dyeing chromed wool, are obtained by oxidizing a mixture of a methylene di-anilido-o-oxyarylcarboxylic acid of the benzene series with an o-oxyarylcarboxylic acid of the benzene series; substituted o-oxyarylcarboxylic acids may be used and the anilido group may contain in the nucleus substituents such as - NO2, halogen, or - CH3; the products may be sulphonated.  In the preparation of the methylene dianilido-o-oxyarylcarboxylic acids, either an anilido-o-oxyarylcarboxylic acid of the benzene series may be condensed with formaldehyde or the o-oxyarylcarboxylic acid may be condensed with formaldehyde and the product anilidated.  In examples, (1) anilidosalicylic acid is condensed with paraformaldehyde in sulphuric acid, and salicylic acid added and oxidized by addition of sodium nitrite to a red dyestuff which may be sulphonated; (2) methylene disalicylic acid is treated with aniline and phosphorus trichloride in benzene suspension and the product treated as in (1); (3) anilido-o-cresotinic acid is condensed with formaldehyde and oxidized together with o-cresotinic acid, yielding a dyestuff giving bluish-red shades when dyed on wool or printed on cotton with a chrome mordant; (4) p-nitranilido-salicylic acid is condensed with paraformaldehyde and oxidized together with salicylic acid, yielding a dyestuff dyeing chromed wool yellowish-red shades.
Patent GB-993124-A (GB)
Title: Improvements in fluid-pressure to mechanical force transducers
IPC: G01L13/02
Filed: 1961-05-24
Abstract: 993,124. Pressure transducers. G. P. E. CONTROLS Inc. May 24,1961 [May 24, 1960], No. 18768/61. Heading G1L. A transducer for generating a mechanical force signal proportional to differential pressure comprises a diaphragm 24, 26 in a cavity 21 subjected to pressure in pipes 40, 41 through isolating membranes 42, 44. The force on the diaphragm is transmitted to a spindle 30 connected centrally to diaphragm 22, 24. Flexible seals 84, 94 are provided between spindle 30 and housing 10. The effective area of the seals may be adjusted by means of tapered sleeves 90, 98 to ensure that the effective area of the two seals is identical and the forces due to fluid pressure on the seals cancels out. A membrane 28 is provided as a safety device to close ports 52, 54 if the pressure differential becomes excessive. A further safety device is provided by valve facings 62, 66 which are urged by membranes 42, 44 to close ports 49, 51 if membrane 28 or seals 84, 94 fail.
Patent GB-627020-A (GB)
Title: Jewel bearings
IPC: B29C67/00
Filed: 1946-06-24
Abstract: 627,020. Making jewel-bearings. BENDIX AVIATION CORPORATION. June 24, 1946, No. 18927. Convention date, July 19, 1945. [Class 56] [Also in Group XXXIV] Jewel-bearing material is heated to a plastic state and rammed against a moulding die carrying a bushing in which the jewel is to be set, the impact of the ramming stroke being cushioned. As shown, a cane 35 of jewel material, e.g., as described in Specification 618,239, is gripped by a leaf spring 36 and fed and retracted by movement within a housing 29 of a spring- loaded arbor 30 guided by a rod 32. The cane is heated at its lower end by flames from nozzles 57 which also heat a bushing placed in a recess 44 (Fig. 2) in a sleeve 43 surrounding the die 45; advancement of a ram 22 presses the plastic material into the bushing and against the die while a knife 24 severs it from the rest of the cane 35; after retraction of the ram, the die 45 is moved to expel the jewel in its bushing by a lever 66 acting on its rear shank 49, and the jewel is then finished by grinding, firing, &c. as described in Specification 596,815. A cushioning spring 51 is located between a shoulder 48 on the die 45 and a sleeve 50 within which the die is movable to an extent limited by pin 54 and slot 55; any further movement during pressing is taken up by a spring 52 which also serves to retain the face of the sleeve 50 flush with the face of the sleeve 39; the lever 66 normally engages a flange on the far end of the shank 49 to bring the die into the position shown in Fig. 2. The Specification as open to inspection under Sect. 91 states that for producing unset bearings, the sleeve 43 may be formed without the recess 44, while mounted endstone jewels (see Group XXXIV) may be formed by replacing the die 45 by a bushing shaped to receive the endstone rod; the rod is inserted through a diagonal slot in the block 39 and the bushing. This subject-matter does not appear in the Specification as accepted.
Patent GB-256255-A (GB)
Title: Improvements relating to automatic pre-payment electricity meters
IPC: G07F15/06
Filed: 1926-07-29
Abstract: 256,255. Lulofs, W., and Hanson, A. F. E. July 30, 1925, [Convention date]. Counting-apparatus.-A prepayment meter is provided with means for producing an auxiliary turning movement, independent of the load, corresponding to the rental fee. The auxiliary turning moment may be produced by a voltageoperated motor, for example an electromagnet 12 excited by a pressure winding 13 and having a short-circuited ring 15 on one side of the pole piece, so as to exert a torque on the disc 1, which is also acted on by the driving system of the meter (not shown). Alternatively in a Ferrari's meter the additional turning moment may be produced by symmetry of the voltage driving-field. The moment is preferably adjustable, for example by swinging the arm 14 about the pivot 16. The motion of the armature disc 1 is transmitted to the sun-wheel 5 of the differential gear D, the other sun-wheel 6 of which is set forward by a knob 11. The spindle carrying the planet wheel 7 rotates, through gearing 8, 9, the prepayment mechanism 10 which cuts off the current when in a particular position.
Patent GB-246389-A (GB)
Title: Improvements in insulated conductors
IPC: H01B13/12
Filed: 1925-07-27
Abstract: 246,389. Western Electric Co., Ltd., (Bell Telephone Laboratories, Inc.). July 27, 1925. Conductors, processes for making; insulating coverings for conductors. - An insulated conductor consists of a number of strands of wire embedded in a homogeneous fibrous body, such as paper pulp. The wires 12 may be applied to a ribbon 73 of pulp, which is shaped by rollers as shown in Fig. 2, and rolled up into the form shown in Fig. 4. The whole is then dried, before or after twisting into the form shown in Fig. 5. The processes and apparatus employed are similar to those described in Specification 204,463.
Patent GB-613674-A (GB)
Title: Improvements in or relating to domestic trolleys
IPC: B62B3/00
Filed: 1946-06-25
Abstract: 613,674. Rack stands. FRY, W. L. June 25, 1946. No. 19041. [Class 52 (iii)] [Also in Group XXXII] A domestic-trolley or "dumb-waiter" is constructed from four corner-tubular uprights 1, having brazed to them tri-angular shaped brackets 4, to which are detachably secured the frames 3. The base 5 may be formed separately from the sides, which may also be individually separate, each detachably secured by fillets 7 to the corner uprights 1. Each tray may be divided into compartments by partitions 10 and may have a cover 11 held in place by spring-loaded ball catches 13.
Patent GB-1047873-A (GB)
Title: Detergent compositions
IPC: C11D17/00
Filed: 1964-05-07
Abstract: An aqueous liquid detergent comprising from 1-15% by weight of a hydrotrope, 5-50% by weight of an alkaline builder and 1-15% by weight of an anionic surfactant compound composed of one or more alkyl aryl-sulphonates, having from 8-12 carbon atoms in the alkyl group, sulphated fatty alcohols or sulphated alcohols which are adducts of ethylene oxide and an alkyl phenol.  Hydrotropes specified have the formula R(CH2.CH2O)xY, wherein R is a phenoxy or p-methyl phenoxy group, x is an integer and Y is a terminal atom or group, the number of -CH2CH2O-groups per mole being from 1 to about 5 when R is phenoxy, and 1-3 when R is p-methylphenoxy and at least 90% of the terminal Y atoms or groups being primary phosphate radicals present in sodium, potassium ammonium or low molecular weight amine salt form, the balance of the terminal Y atoms or groups being secondary or tertiary phosphate or complex polyphosphate groups or hydrogen atoms.
Patent GB-893401-A (GB)
Title: Radio-position finding system
IPC: G01S5/10
Filed: 1960-05-30
Abstract: 893,401. Radio navigation. MOTOROLA Inc. May 30, 1960 [June 23, 1959], No. 19057/60. Class 40(7). In a radio position-finding system periodic signals derived from a common first reference oscillator 13 are transmitted from three spaced transmitters 10, 11, 12 of known location and at a mobile receiver the timing of the three received signals is compared in separate comparators 20, 21, 22 with corresponding signals derived from a second local reference oscillator 23 to give signals representing the distances r1, r2, r3 of the receiver from the transmitters 10, 11, 12, the position of the receiver in suitable co-ordinates being derived from rl and r2 by a known form of computer 25 and means responsive to the output from the computer 25 and the distance signal r3 being provided for automatically controlling the frequency of the local reference oscillator 23 to maintain it in synchronism with the first reference oscillator 13. As shown the distance signals r2 and r3 are applied to a second computer 26 which also computes the position of the receiver, any difference in the position signal outputs from the two computers 25, 26 as determined in a comparator 27 being applied to adjust the frequency of the reference oscillator 23 to reduce the difference to zero. In a modification, Fig. 3 (not shown), the output from the position computer 25 is applied to a range computer which computes the distance r3 of the receiver from the transmitter 12 and the oscillator 23 is controlled by the difference between the computed and measured values of r3. Errors due to the curvature of the earth and the height of the mobile receiver may be eliminated by applying range correction signals to the outputs of the comparators 20, 21, 22, the correction signals being derived from the position signals by a correction computer. To enable the transmitted signals to be separated in the receiver 15, the transmitted signals may comprise sequential C.W. signals of the same frequency, simultaneous C.W. signals of different frequency or coded signals; when C.W. signals are employed time comparators 20, 21, 22 will be phase detectors.
Patent GB-170066-A (GB)
Title: Improvements in or connected with artificial limbs
IPC: A61F2/58
Filed: 1920-07-06
Abstract: 170,066. Blatchford, C. A., Blatchford, C. D., and Blatchford, W. A. July 6, 1920. Limbs, artificial - Actuating-parts, locking- means, and other movable members of artificial limbs are operated by means moved otherwise than by shoulder and like harness, comprising a base-plate a fitted in the arm pit and pressed against the body of the wearer and a guide-pin b, carried by the plate a, on which slides a sleeve c. A link d is pivoted at one end e to the plate a and, at the other end f, to a second link g, which is pivoted to the sleeve c. By pressing the arm or arm stump inwardly upon a pressure member j, the sleeve c is raised against the spring i to operate a lock k or some movable limb-member as shown in Fig. 3, through a Bowden cable l or other motion-transmission mechanism. Alternatively a strap bound round the arm may replace the pressure member j, and in this case the device is operated by raising the arm or arm stump instead of by pressing inwards.
Patent GB-1237179-A (GB)
Title: Improvements in or relating to sliders for operating sliding clasp fasteners used in bed linen
Inventor: FROHLICH ALFONS
IPC: A44B19/26
Filed: 1970-04-22
Abstract: 1,237,179. Slider for sliding clasp fastener. OPTI HOLDING A.G. 22 April, 1970 [23 April, 1969], No. 19148/70. Heading E2S. A slider suitable for a sliding clasp fastener for bed linen comprises top and bottom plates with guide channels for the interlocking elements and is made from or coated with a plastics material having an admixture of finely granular stabilising filler in an amount of 10-30% by weight, e.g. glass fibre filler compounded with a polyester resin. Preferably the boundary flanges adjacent the guide channels form supporting faces constituting 25-40% of the slider area in plan. The low thermal conductivity of the slider and the large area of the boundary flanges reduce damage by heating and pressure during laundering.
Patent GB-818438-A (GB)
Title: Improvements in the production of anti-corrosive coatings for metals
Inventor: RODWELL ROBERT HUNTER
IPC: C04B28/02
Filed: 1957-06-18
Abstract: Metal surfaces are protected by one or more coats of an aqueous suspension of hydraulic cement containing zinc chromate and polyvinyl acetate followed by one or more bituminous or resinous coats.  The cementitious suspension may include gelling agents such as bentonite and wetting agents such as dehydrated soap and may be applied by brushing, spraying or trowelling.  The other coating material may be a solution of bitumen in a solvent such as white spirit, which may contain asphaltum or a modified phenol-formaldehyde resin, or a solution of a drying oil and a rosin-modified phenolic resin in white spirit, and may also contain a small amount of cement.  A final coat of a bituminous or other composition containing metallic powder may be applied.ALSO:Metal surfaces are protected by one or more coats of an aqueous suspension of hydraulic cement containing zinc chromate and polyvinyl acetate followed by one or more bituminous or resinous coats.  The cementitious suspension may include gelling agents such as bentonite and wetting agents such as dehydrated soap and may be applied by brushing, spraying or trowelling.  The other coating material may be a solution of bitumen in a solvent such as white spirit, which may contain asphaltum or a modified phenol-formaldehyde resin, or a solution of a drying oil and a resin-modified phenolic resin in white spirit, and may also contain a small amount of cement. A final coat of a bituminous or other composition containing metallic powder may be applied.
Patent GB-1166899-A (GB)
Title: Method of and installation for cooling enclosures
Inventor: BRADSHAW NORMAN FREDERICK
IPC: F25D13/02
Filed: 1967-04-26
Abstract: 1,166,899. Cooling buildings; refrigerating. CARRIER ENG. CO. Ltd. 12 Feb., 1968 [26 April, 1967], No. 19260/67. Headings F4H and F4U. An installation for cooling superimposed enclosures 1, e.g. the rooms of a multi-storey building, comprises a liquid coolant supply line 3, a return line 4, a heat exchanger 5 in each enclosure having its outlet connected to line 4 and its inlet connected through an expansion valve 9 to line 3, and an evaporative condenser 11 arranged outside the enclosure 6 to receive coolant vapour from line 4 and to supply condensed coolant to a receiver 10 at the top of line 3. Fans 6 circulate air over heat exchangers 5. Valves 16, 17 enable a compressor 18 to be included in the circuit so that the system can operate as a refrigeration system when the outside air temperature is higher than the enclosure temperature. In a modification (Fig. 3, not shown) a pump is provided in line 3 and unevaporated coolant from line 4 passes directly to the receiver from a point upstream of valve 16.
Patent GB-1148688-A (GB)
Title: Combination lock
IPC: E05B37/02
Filed: 1967-04-26
Abstract: 1,148,688. Combination locks; hasp locks. PRESTO LOCK CO., Inc. 26 April, 1967 [9 Nov., 1966], No. 19266/67. Heading E2A. A combination lock comprises a plate member C, the outer face of the plate member having a longitudinally extending guideway 26, a manipulatable latching slide member D positioned in the guideway, the slide member D having hasp-engaging means 52 extending from a side thereof on the underside of the plate member C, cooperable means 28, 28' and' 30, 30' provided by the plate member and the latching slide member to limit the extent of longitudinal movement of the latching slide member in the guideway, resilient means (F), Fig. 4 (not shown) intermediate the plate member and the latching slide member to resiliently urge the latching slide member to latched position, a plurality of longitudinally spaced slots 58 in the front face of the latching slide member, longitudinally spaced bearings in the latching slide member on the underside thereof, a longitudinally extending shaft 62 having the ends thereof journalled in said bearings, dials 60 mounted on the shaft and partially extending through the slots 58, a flanged sleeve 63 for each dial mounted on the shaft, the flange of each sleeve having a flat portion (68) Fig. 15 (not shown) cooperable means provided by each dial and its respective sleeve for keying them together, resilient sleeve-cooperable means 70 on the shaft normally urging the sleeves into keyed relationship with their respective dials, resilient dial-cooperable means (74) Fig. 9 (not shown), means 72 connected to and extending from the shaft for shifting the sleeves out of keyed engagement from their respective dials, a retainer plate 90 connected to the underside of the latching slide member slidably related to the plate member connecting the slide member to the plate member, securing the shaft ends in their bearings and securing the resilient dial-cooperable means to the latching slide member, whereby the assembly of the shaft, dials, sleeves, resilient sleeve-cooperable means, resilient dial-cooperable means and means 72 for shifting the sleeves are all carried by the latching slide member for movement therewith, and a back cover E connected to the underside of the plate member, the back cover and the underside of the plate member providing an intermediate opening for entry of a hasp member 56, the back cover having a plurality of longitudinally spaced blocking means 112 extending therefrom for cooperation with the flanges on said sleeves, the flat portions of the flanges by-passing the blocking means to allow movement of the latching slide member, the back cover having a slotted opening to allow said means for shifting the sleeves to extend therethrough. As shown, the flat portion 68 of each sleeve 63 is provided with a visual indicator which is visible through a corresponding opening 111 on the back cover E.