baber/WOPTO huggingface dataset:
Patent GB-447044-A (GB)
Title: Improvements in or relating to the drying of materials
IPC: F26B13/10
Filed: 1934-10-10
Abstract: 447,044. Drying plaster board &c. SPOONER, W. W., Ashbrook Grove Road, Ilkley, Yorkshire. Oct. 10, 1934, Nos. 28971/34 and 306/35. [Classes 34 (i) and 34 (ii)] Relates to the drying o: relatively thick materials which are apt to dry or the surface before the dry ing of the interior is com pleted, such as plaster board, and consists in sub jecting the materials at an interval or intervals ir the process of drying, and preferably, also prior to the commencement of dry ing, to the action of satur ated or unsuperheatec steam or vapour, to heat the material without effecting any substantial drying thereof. Preferably, such heating is substantially to the boiling point of the liquid to be evaporated. A suitable steaming unit comprises nozzles 10, Fig. 2, continuous transversely of material fed between upper and lower casings. To prevent drip on to the upper surface of the material, steam reaches the nozzles by a narrow passage between walls 16, 17 adjacent to which are gilled heater tubes 18. The outermost nozzle is prevented from cooling by a steam pipe 15. A fan may have its suction side connected to the space between the casings and deliver to the casings. Alternatively, a conveyer may carry material between upper and lower chambers 35, 33, Fig. 4, nozzles 34 directing steam on to the material, the fluid being drawn into the chamber 35 and so kept in circulation, heating pipes 37 maintaining the desired temperature. The circulating fan for the drying portion of the apparatus may have a separate element for drawing in fresh air. Superheated steam may be used for the drying. In a modification, material to be dried may be placed in a suitable casing through which fluid is circulated in closed circuit, the fluid being alternately a saturated and a drying fluid. The material 50, Fig. 8, rests on rods 51 above nozzles 55 on a pressure chamber 53, an apertured diaphragm above the material constituting the floor of a suction chamber. Fluid is circulated by a fan 58, a steam supply pipe 68 and adjustable air inlet slide 63 being provided. Steam heating pipes 64 are placed in the passage between the chambers, and valves may be operated by a suitable time control to change the character of the fluid from dry to saturated. Specification 422,117, [Group IV], is referred to.
Patent GB-687851-A (GB)
Title: Improvements in or relating to electromagnetic transducing apparatus
Inventor: ANGOLD EDWARD BARNABAS
Filed: 1949-11-11
Abstract: 687,851. Magnetic recording and reproducing apparatus. THERMIONIC PRODUCTS, Ltd. Oct. 23, 1950 [Nov. 11, 1949], No. 28984/49. Class 40 (ii). In a magnetic transducing apparatus a detachable cassette 1 houses two concentrically mounted spools 2, 3 of wire 4 and a combined unit consisting of a transducer 5 and guide members 21, 22 which is rocked about an axis at right angles to the axis of the spools 2, 3 for the purpose of level winding the wire 4 of the spools; The transducer and guide member unit has a socket 10 of insulating material and is pivotally supported by a bracket 11 and rocked by an oscillating connecting plug 16 when the cassette is slid into the casing 17. The connecting plug 16 is oscillated by means of a cam follower 30, Fig. 4, under the influence of a cam 31 rotated by a train consisting of a wheel 32, a worm 33, a pulley 34, a resilient belt 35 and a pulley 36 on a shaft of a motor 37. The amplitude of movement of the guides 21, 22 is limited to an angle X, Fig. 5, by means of stops 25, 26. The wire may be wound in either direction by means of a friction wheel 38 which when driving in one direction engages a wheel 9 mounted on the hub of spool 3 and when driving in the other direction engages the inner surface of the rim of spool 2. Drag brakes 49, 50 Fig. 2, pressing on spool 2, and similar brakes, not shown, pressing on spool 3, prevent snarling of the wire when the drive is interrupted. An extra pair of brake pads 39, 40 press on the rim of spool 2 and the hub of spool 3, respectively. when the cassette 1 is removed from the casing 17, but are moved out of contact, when the cassette is inserted, by means of a pin in the casing 17 which longitudinally moves spring-loaded bar 42 carrying the brake pads 39, 40.
Patent GB-464637-A (GB)
Title: Improvements in or relating to magnetic deflecting means for cathode-ray tubes
IPC: H01J29/54
Filed: 1935-10-21
Abstract: 464,637. Magnets. FERNSEH AKT.- GES. Oct. 21, 1935, Nos. 28985 and 28986. Convention dates, Oct. 19, 1934 and Feb. 28, 1935. [Class 35] [Also in Group XL] Cathode rays are deflected by two semicircular magnetic portions 1, 3 coaxial with the cathode-ray tube 2, intersecting a common plane normal tc the axis of the tube and mutually adjustable through 360‹. One or both of the portions 1, 3 are permanently magnetized to form poles at the ends, and the internal radius of one is approximately equal to the external radius of the other. One at least of the portions may be a steel band sprung around the tube. The portions 1, 2 are held in position by end rings on an insulating tube which is pushed over the neck of the tube 2 with a layer of felt interposed. A prior arrangement using a single semicircular magnet is described. Specification 451,604, [Group XL], is referred to. The Specification as open to inspection under Sect. 91 comprises also an arrangement in which the magnet is sprung around a layer of rubber, leather, cork &c., around the tube and may be glued to the tube after adjustment or adjusted by a knob convenient for operation by an observer viewing the screen of the tube. One knob may rotate the magnet and another rotate a screw to move the magnet axially. This subject-matter does not appear in the Specification as accepted.
Patent GB-1186439-A (GB)
Title: Alkali Treatment of Chromium Ores
IPC: C22B34/32
Filed: 1967-06-23
Abstract: 1,186,439. Treating chromium ores. FARBENFABRIKEN BAYER A.G. 23 June, 1967 [12 July, 1966], No. 29020/67. Heading C1A. Chromium ore, after the addition of a leaning agent, is heated to 500 C. then treated with NaOH solution or fused NaOH and the mixture reacted at 900 to 1200 C. in the presence of a free oxygen-containing gas to give a chromatecontaining product. The NaOH solution is preferably not less than 30% by weight and advantageously 40 to 60% by weight. Leaning agents may be dolomite, iron oxide or residue from a previous caustic treatment according to the invention and the alkali used may contain some Na2CO3. A preferred embodiment comprises a 3-stage process wherein only part of the alkali required is added in each stage. In an example, leaning agent (iron oxide) is added only to the third stage of a three-stage process comprising also intermediate leaching.
Patent GB-1155524-A (GB)
Title: Improvements in and relating to Thermo-Copying Apparatus
Inventor: RITZERFELD GERHARD
IPC: G03B27/30
Filed: 1967-06-23
Abstract: 1,155,524. Thermocopying machine. G. RITZERFELD. June 23, 1967 [June 29, 1966(2)], No.29064/67. Heading G2A.
Patent GB-533350-A (GB)
Title: Improvements in or relating to a method of knitting fabrics in string work
IPC: D04B1/18
Filed: 1939-10-31
Abstract: 533,350. Knitting. HEMPHILL CO. Oct. 31, 1939, No. 29075. Convention date, Nov. 28, 1938. Drawings to Specification. [Class 74 (ii)] A method of knitting connected articles in string formation consists in knitting loose courses from a yarn which, later, is destroyed, in continuation of the last knitted stitches of a preceding article, and in continuation of the loose courses a second article is knitted and so on. Each article has, at the beginning edge, a course of plain yarn stitches and elastic yarn knitted in alternate wales, and in continuation, at spaced intervals similar courses of elastic and plain yarns. When the article is unravelled in the direction of knitting, any one of the elastic courses will present a selvedge. Specifications 300,605, [Class 74 (ii)], and 528,673 are referred to.
Patent GB-457072-A (GB)
Title: Improvements in or relating to electric cells
IPC: H01M14/00
Filed: 1935-10-23
Abstract: 457,072. Batteries. BATTERIES, Ltd., and DYBECK, M., Enfield Road, Hunt End, Redditch, Worcestershire. Oct. 23, 1935, No. 29207. [Class 53] The plates of a counter E.M.F. cell are contained in a cradle e having a perforated or lattice base e<2> for the passage of electrolyte into the interior of the cradle and for preventing the downward movement of U- shaped insulating- rods d which separate the plates. The rods dare located between projections a<4> formed on the plates which are suspended from bolts b, c, by lugs a<1>, a2. Washers are placed on the bolts between the plates, and the bolts are connected to rods b<1>, c<1> which carry the terminal nuts b2, c<2>. The cradle e is suspended from the bolts b, c at one or both ends by tongues e<1> and insulating sheets f are placed between the plates and cradle. The latter may be provided with an electrolyte level indicator e<3>. The container g is of glass and is closed by an insulating cover g<1> having a rubber washer g<2> and a vent and filling cap g3.
Patent GB-1302818-A (GB)
IPC: F16K5/04
Filed: 1971-06-22
Abstract: 1302818 Valves DARAN PRODUCTS Inc 22 June 1971 [23 June 1970] 29256/71 Heading F2V Valve suitable for use with laboratory glassware comprises a glass barrel 10 which has a smooth tapered bore 16, and a complementary tapered plug 22 which is formed of deformable plastics material is rotatably mounted in the bore 16, and is formed with an arcuate peripheral channel 30 which is registrable with aligned inlet and outlet connections opening into the bore 16. The plug extremities as contained within the bore 16, are cut away leaving a relatively narrow central portion 28 in direct frictional engagement with the bore 16. The plug also includes a recess which accommodates an elastomeric insert 44, the insert being acted upon by a screw member 46 whose head 50 engages the barrel 10 and whose spindle 48 extends through the plug and screw-threadably engages a pin 40, the pin 40 extends transversely through the plug head 26 and together with the plug head constitutes the valve operating handle (Fig. 1, not shown). The screw member tends to compress the insert 44 axially and so to expand the plug into fluid tight sealing engagement with the bore of the glass barrel. A modified insert compressing arrangement is described.
Patent GB-1194456-A (GB)
Title: A Control Circuit for a Commutator Electric Motor
IPC: D05B69/26
Filed: 1968-06-19
Abstract: 1,194,456. Stopping arrangements for electric motors. JANOME SEWING MACHINE CO. Ltd. 19 June, 1968 [19 June, 1967], No. 29317/68. Heading H2J. A commutator motor 8 is controlled by a bidirectional semi-conductor switch 7 which is fired at a point in each half cycle of the A.C. supply to the motor determined by the setting of the wiper A of a potentiometer 3 controlling a trigger circuit 12 for inducing a firing pulse into the circuit of switch 7. The trigger circuit 12 has a second input from a tapping B through a normally-open switch R controlled by the wiper A and a switch S which is intermittently opened and closed by rotation of the motor shaft and which enables the motor to be stopped at a predetermined angular position. To do this, the wiper A is moved from its normal speed setting to its stop position, thus closing the switch R and causing the motor to rotate at a slow speed, determined by the position of tap B, until rotation of the shaft causes the switch S to open. The latter may comprise brushes engaging a shaft with an insulating insert, Fig. 3 (not shown), and may be part of a sewing machine arrangement designed to stop the needle in a desired position. The trigger circuit 12 may include a charging circuit and trigger device arranged to break down at a predetermined point in each A.C. half cycle determined by the setting of the wiper A. In another embodiment, Fig. 2 (not shown), the motor 8 is in series with a silicon controlled rectifier across the A.C. supply, the firing angle of the rectifier being controlled by a trigger circuit connected to its control electrode.
Patent GB-298577-A (GB)
Title: Improvements relating to electric signalling systems for repeating the indications of measuring instruments
IPC: H04Q9/00
Filed: 1928-10-11
Abstract: 298,577. Akt.-Ges. Brown, Boveri, et Cie. Oct. 11, 1927, [Convention date]. Void [Published under Sect. 91 of the Acts]. Tell-tale apparatus.-Relates to a system wherein the indications of a plurality of measuring instruments are repeated by a corresponding number of receivers over a smaller number of line wires in such a manner that continuous indications may be obtained. As shown, transmitters 2, which generate currents of frequencies proportional to the indications of the corresponding measuring instruments, are connected in a network which is connected by line wires Ll - - L<5> to a similar network of frequency responsive receivers 3. A direct current relay 1, such as a glow lamp, is connected in each arm of the transmitting and receiving networks. A battery b<1>, the voltage of which causes breakdown of a relay 1, is associated with the transmitting network in such a manner that with one pole of the battery connected temporarily with one corner of the network, the other pole is connected in turn to the other corners after which the first pole is connected to the next corner and the cycle is repeated. In this manner the relays 1 at the transmitter station G and the corresponding relays at the receiving station E function to connect periodically together corresponding transmitters and receivers. The circuit through one arm only of the transmitting network is completed at a time since the other circuits across the battery terminals contain at least two relays. The speed with which the battery terminals are associated with the transmitting network is such that the periodic signalling currents maintain continuous indications on all the receivers corresponding to the indications of the measuring instruments at the transmitting station. The receivers are of the measuring instrument type having no resetting force and each instrument may employ a source of light, the light being switched off automatically on the cessation of signalling impulses. The maximum voltage of each alternating current transmitter is made less than one half of the breakdown voltage of the relays 1 in order to ensure that operation does not take place when the signalling voltages in neighbouring arms of the network are in phase opposition. Moreover the voltage of the battery b<1> is greater than the breakdown voltage of the glow lamps by an amount equal to the maximum value of the alternating current used for signalling. Choking coils or resistances are connected in the battery circuit to prevent passage of signalling currents. The Specification as open to inspection under Sect. 91 (3) (a) states also that the indications of the receivers may be maintained by periodicallyoperated arresting devices and that the receivers may be of the crossed-coil " type of measuring instrument. This subject matter does not appear in the Specification as accepted.
Patent GB-171107-A (GB)
Title: Improvements in the spring suspension of motor bicycles
IPC: B62J1/06
Filed: 1921-11-04
Abstract: 171,107. Viratelle, M. N. Nov. 6, 1920, [Convention date]. Spring devices; foot-rests.-In a spring suspension for motor-cycles, each foot-rest g is mounted on a leaf spring h, which is pivoted to the frame at one end, and is attached to the foot-rest by a pin i at the back and by an intermediate bracket j pivoted to the foot-rest at z; the arrangement is such that a shock causes the arm j to swing and to move towards the point i, and the spring h to be straightened in the section h' and bent in the section h<2>. The saddle, saddle tube b, two lateral saddle supports f, and the two foot-rests g rigidly secured to the supports f are all sprung by the play of the leaf springs h, the rebound being taken up by a spring piston, mounted in the upper tube c of the frame and adapted to receive the impact of the tube b. The tube b is connected by parallel pivoted links d, e to the frame, and the supports f are pivoted to the tube b at y<1>.
Patent GB-899930-A (GB)
Title: Rubber antidegradants
Inventor: WILDE BERTRAND ERNEST
IPC: C08K5/18
Filed: 1959-08-28
Abstract: As a non-discolouring antiozonant there is incorporated in rubber a substituted aniline of formula <FORM:0899930/IV (a)/1> where R1 is an aliphatic or an aralkyl group and R2 and R3 are each a hydrogen atom or an aliphatic group, except that when both R2 and R3 are hydrogen atoms the group R1 contains at least 4 carbon atoms, or a salt of such a compound.  Examples of the compounds are 4-n-butoxyaniline, 4-isoamyloxyaniline, 4-n-hexyloxyaniline, 4(2-ethylhexyloxy)aniline, 4-n-decyloxyaniline, 4-n-hexadecyloxyaniline, 4(b -ethoxyethoxy)aniline, 2-methyl-4-methoxyaniline, 2-ethyl-4-n-propoxyaniline, 3-(1,1,3,3-tetramethylbutyl)-4-s-butoxyaniline, 2,6-dimethyl - 4 - methoxyaniline, 2,6 - dimethyl - 4-methoxyaniline, 2,6-dimethyl-4-n-octyloxyaniline, 3-t-butyl-5-methyl-4-ethoxyaniline, 4-isobutyloxyphenylammonium chloride, 3-methyl-4-t-butoxyphenylammonium oxalate, 4-n-tetradecyloxyphenyl trimethylammonium bromide.  In general, the concentration is 0,2-3 parts per 100 parts of rubber. Natural rubber, polymers of 1,3-butadiene and copolymers of 1,3-butadiene with styrene, acrylonitrile, isobutylene and methyl methacrylate are referred to. An example is of comparative tests illustrating the antiozonant activity of 4-n-decyloxyaniline in bands of a vulcanized mix of smoked sheets, carbon black, mineral oil, zinc oxide, stearic acid, sulphur and N-cyclohexyl-2-benzthiazyl sulphenamide.
Patent GB-797100-A (GB)
Title: Improvements in or relating to sealing strips
IPC: E06B7/23
Filed: 1955-10-14
Abstract: 797,100. Draught excluders. AKTIESELSKAPET MJONDALEN GUMMIVAREFABRIK. Oct. 14, 1955 [Oct. 19, 1954], No. 29418/55. Class 20(3) [Also in Group XXVIII] A sealing strip for doors windows and the like, of resilient flexible material such as rubber comprises a tube 11 with lon,gitudinal bulges 13, the line through the bulges lying substantially perpendicular to the direction of the applied compressive force. Figs. 5 and 6 show alternative cross-sections for the tube. The top side of the tube may be provided with longitudinal corrugations.
Patent GB-192500-A (GB)
Title: Improved process for the manufacture of disinfectants
IPC: B01F3/08
Filed: 1921-11-04
Abstract: 192,500. Vielle, J. A. Nov. 4, 1921. Disinfectants.-Tar acids, tar oils and the like for use as disinfectants are prepared in the form of colloidal dispersions by intensive mechanical disintegration at high speed in presence of water, preferably by means of the colloid mill described in Specification 155,836, [Class 1 (i), Chemical processes &c.]. Small quantities of soap and of free fatty acid may be added to assist in dispersion. An example relates to the treatment of high-boiling cresylic acid.
Patent GB-913565-A (GB)
Title: Electric arc welding system
IPC: B23K9/12
Filed: 1960-08-26
Abstract: 913,565. Control systems for arc-welding apparatus. WESTINGHOUSE ELECTRIC CORPORATION. Aug. 26, 1960 [Sept. 4, 1959], No. 29480/60. Class 38 (4). An arc spot-welding apparatus has the welding period timed by electronic timing apparatus, the period being initiated at the instant a consumable electrode contacts the work, a second electronic timing apparatus being used to time the burn-back period of the electrode, the burn-back period being initiated by the the electrode being removed during the burnback period. In the standby condition of the apparatus the A.C. supply conductors L1-L3 and the A.C. control conductors are alive. The timing capacitors 6C, 5C in the networks N2, N1 of the welding timer 2TD and burn-back timer 1TD are in a charged condition. With the automatic manual spot-selector switches SW1- SW4 in the spot position S, intermittent closure of an inching switch IS causes energization of relays 4CR and 2CR so that the thyratron 3TU is intermittently energized to cause the motor MR to run slowly to drive the electrode E towards the work W until the electrode is in the desired position. When a welding operation is to be made a switch WS is closed. If the water pressure is adequate a switch WPS is closed so the closure of switch WS causes energization of relay 1CR which causes the welding supply to appear on conductors EL, EW. Relay 2CR is also energized, thus causing the motor MR to drive the electrode E at low speed to contact the work W. An arc then appears between electrode and work, thereby energizing relay 3CR. The anodecathode circuit of the thyratron 2TU in the weld timer is thus completed and the capacitor 6C begins to discharge to time the weld. Relay 5CR is also energized to allow the motor MR to operate at normal speed. After the capacitor 6C has discharged sufficiently to time out the weld, thyratron 2TU conducts to energize relay 6CR. Relay 2CR is now de energized to stop the motor and to prevent the electrode E from being fed towards the work W so that burn-back of the electrode E takes place. Thyratron 1TU is energized and capacitor 5C in the network N1 of the burn-back timer 1TD begins to discharge to time out the burnback period, at the end of which thyratron 1TU conducts to energize relay 7CR, thereby resetting the apparatus for a further operation. The apparatus is arranged to prevent double cycling should switch WS be maintained closed. The switches SW1-SW4 may be set for manual control or for automatic continuous welding.
Patent GB-659984-A (GB)
Title: Improvements in electric lamp supports
IPC: H01R33/00
Filed: 1949-11-19
Abstract: 659,984. Supporting lamps. SHERBININ, W. N. DE. Nov. 19, 1949, No. 29663.' [Class 75(iii)] An electric light socket 12 is attached to the neck of a bottle 10 or the like by means of a stopper comprising a spirally wound arcuate strip 11 of compressible material attached to a member projecting from the socket. One end of an arcuate strip 16 of cork, felt, cardboard, paper, plastic, cloth or leather, for example, is attached by adhesive tape 20 to a pin 15, which is threaded on its outer surface, the inner arcuate edge of the strip being placed in contact with a nut 18 on the lower end of the pin, so that when the strip has been wound round the pin a stopper for a frusto-conical neck is formed, the free end of the strip being secured by another piece of adhesive tape 21. A cap 17 is held on the pin 15 over the upper end of the stopper by a nut 19, and the upper end of the pin is then screwed into the lower end of the socket until the nut 19 abuts the latter. In a modification, Fig. 5, bent-over ends 26 of a plain pin 25 form the lower stop for the strip 16, the upper end of the pin being secured in the socket 12 by a set screw 27; the strip 16 is wider at its inner end than its outer so that when wound the upper end of the resultant stopper comforms closely to the shape of the cap 17.
Patent GB-658490-A (GB)
Title: Improvements in or relating to telescopic tubes
IPC: A47F7/06
Filed: 1949-11-21
Abstract: 658,490. Stands. SEIFERT, K. Nov. 21, 1949, No. 29779. [Class 52 (iii)] [Also in Group XL (c)] In a metal or plastic telescopic tube for stands wherein extension is limited by abutment of an enlarged end 3 on the inner tube against a constriction 5 on the outer tube the enlargements are reinforced by one or more transverse walls formed by the insertion of one or more cups 9 or discs. Spring-urged detent-pins 6 and an air vent 11 may be provided and the tubes may be non- circular in section.