baber/WOPTO huggingface dataset:
Patent GB-1096286-A (GB)
Title: A finger for inserting picks of weft yarn in a narrow fabric loom
IPC: D03D47/42
Filed: 1966-07-28
Abstract: 1,096,286. Shuttleless smallware looms. J. D. RIORDAN and G. C. LIBBY. July 28, 1966 [Sept. 27, 1965], No. 34024/66. Heading D1E. A weft inserter for a smallware loom comprises a clamp 29 by which a synthetic resin tube 10 is adjustably attached to the inserting mechanism and a thin metal head 18, attached to the tube 10, the head having guide eyes 26, 27 for the weft passing through the tube 10, a tongue 22 to hold the end of the loop of weft and a recess 24 into which a knitting needle enters to knit a selvedge at the far side of the shed. The near side of the shed is provided with a cam operated member (30) which positions the loop of weft between the guide 27 and tongue 22.
Patent GB-1361229-A (GB)
Title: Electric watches
IPC: G04C3/14
Filed: 1971-07-21
Abstract: 1361229 Electric watches SUWA SEIKOSHA K K 21 July 1971 [27 July 1970 10 Sept 1970] 34220/71 Heading G3T [Also in Division H1] In order to facilitate maintenance, a quartz crystal controlled watch has its time standard oscillator constructed as a unit comprising a synthetic resin mounting member with spaces which accommodate the crystal oscillator, an oscillation circuit, a frequency divider circuit, and a driving circuit for the mechanical parts of the watch. Fig. 4 shows a mounting member 8 with channels containing a crystal oscillator 9, a temperature compensating element 11 of BaTiO 3 , a frequency-adjusting capacitor 13-16 and dividing and driving circuitry 17a, b. The circuitry is protected by silicon 17c and epoxy resin potting 17d, and the mounting member provides some resilience of mounting for the crystal oscillator. A metal cover 19 serves as a shield plate for the capacitor 13-16 and acts as a retaining member. The output of driving circuit 17b is fed to coil 113a of a stepping motor and advances rotor 114 to drive a hand train. Actuation of stem 100 moves a setting lever 117 which is coupled to second hand jumper 116 and also cuts off the frequency divider output signal.
Patent GB-1110116-A (GB)
Title: Fireproofing of cellulosic material
Inventor: BLACKBURN DAVID
IPC: D06M13/288
Filed: 1964-01-21
Abstract: 1,110,116. Fire-proofing cellulosic material. COURTAULDS Ltd. 20 Aug., 1965 [21 Aug., 1964], No. 34227/64. Heading DIP. Cellulosic textile material is fire-proofed by impregnating with a non-volatile inorganic acid, cyanamide or dicyanodiamide, and a chlorinated C 1-4  alkyl phosphate from aqueous solution, drying- and heating at 100-150C to effect reaction between the cellulose and the impregnants. The acid may be phosphorous, phosphoric, pyrophosphoric, sulphuric, or sulphamic acid. It may be partially neutralised. The phosphate may be chlorinated ethyl phosphate containing a major proportion of bis-#-chloroethyl phosphate. The impregnants may be applied separately or together. The amounts of acid, cyanamide and phosphate impregnated may be at least 5, 10 and 10 gm respectively per 100 gm of material. The liquid pick-up may be 100%. The material may be of cotton, linen, or regenerated cellulose.
Patent GB-756692-A (GB)
Title: Improvements in or relating to the production of stable dispersions of silicon dioxide in solutions of cellulose ethers and the sizing of textile yarns with such dispersions
IPC: C08B11/00
Filed: 1953-12-09
Abstract: A mixture which, when added to water, yields a stable dispersion of colloidal silica in a cellulose ether solution is prepared by adding an aqueous solution of an alkali-metal silicate to the reaction mixture in the preparation of the cellulose ether, the reaction mixture being neutralized with acid either after or both before and after the addition of the silicate solution so that the resulting mixture, when diluted with sufficient water to reduce the concentration of the cellulose ether to 0.25 per cent, gives an aqueous dispersion of colloidal silica having a pH within the range 5-9 and preferably 6-8.  In an example, soda cellulose is mixed with sodium monochloracetate, an aqueous solution of sodium silicate is added and the mixture is neutralized with acetic acid and dried.  In a second example, a mixture prepared in the same manner is purified by extraction with 60 per cent aqueous ethanol and dried again.  In a third example, a mixture of sodium carboxymethyl cellulose and sodium silicate is prepared as in the first example and suspended in 60 per cent aqueous ethanol containing sufficient hydrogen chloride to neutralize the mixture. The suspension is then centrifuged and the solids thus separated and dried.  Mixtures of the compositions with water may be used for the sizing of textile threads (see Group IV (c)).  U.S.A. Specification 2,570,830 is referred to.ALSO:Textile threads are sized with an aqueous solution of a cellulose ether containing dispersed colloidal silica.  The solution is made by adding water to a composition prepared by adding an aqueous solution of an alkali - metal silicate to the reaction mixture in the preparation of the cellulose ether, the reaction mixture being neutralized with acid either after or both before and after the addition of the silicate solution so that the resulting mixture when diluted with sufficient water to reduce the concentration of the cellulose ether to 0.25 per cent, gives an aqueous dispersion of colloidal silica of pH 5-9 and preferably 6-8 (see Group IV(a)).  In an example woollen yarn is sized with an aqueous solution of sodium carboxy methyl cellulose containing dispersed colloidal silica prepared as described above.  U.S.A. Specification 2,570,830 is referred to
Patent GB-1199277-A (GB)
Title: Mould material for the production of moulds
Inventor: WITTMOSER ADALBERT
IPC: B22C1/22
Filed: 1967-07-26
Abstract: 1,199,277. Foundry-mould compositions. A. WITTMOSER. 26 July, 1967, No. 34312/67. Headings C3C and C3N. A material for making metal-casting moulds comprises a particulate inorganic refractory and # 1À5 wt. per cent polyurethane binder expandible and hardenable in the cold or hot condition, e.g. a mixture of water, fluorotrichloromethane and two other materials described by Trade Marks. The refractory particles, e.g. sand, may be sprayed with the pre-expanded polyurethane binder solution.
Patent GB-954976-A (GB)
Title: Correction device for travelling continuous material
Inventor: RICHARDS FRANCIS ARTHUR
IPC: B29D30/44
Filed: 1959-10-10
Abstract: 954,976. Guiding webs laterally. DUNLOP RUBBER CO. Ltd. Oct. 3, 1960 [Oct. 10, 1959], No. 34410/59. Heading B6B. [Also in Division G3] To correct lateral deviations of a moving web of material from a desired path, the material is passed over a roller rotatably mounted on a support which extends axially through the roller and is automatically rotated about an axis making an acute angle with the roller axis. As in Specification 909,569, two photo-cell/lamp assemblies mounted on brackets are provided for co-operating with each edge of moving material, and a motor operating a lead screw with oppositely threaded portions alters the spacing of the brackets until one is aligned with an edge. Thereafter a second motor 12, Fig. 2, operates to centre the material (not shown), in the present Specification, by adjusting the position of a plurality of rollers 18 over which the material passes. The rollers are free to rotate on ball bearings 17 about axes which make an acute angle A with the axis of shaft 6 rotatable by motor 12 through reduction gearing 11. With shaft 6 in the position shown there is no side thrust on the material, but adjustment of shaft 6 in one direction or the other inclines the lines of contact between the rollers and the material so that side thrust is generated in the appropriate direction to effect lateral correction. The surfaces of the rollers may be of spherical form and they may be fitted with tyres of resilient material. Switches 22 limit travel of motor 12 in each direction.
Patent GB-1155313-A (GB)
Title: Improvements in or relating to Break-Spinning Units.
IPC: D01H4/48
Filed: 1966-08-01
Abstract: 1,155,313. Break-spinning apparatus; piecing. VYZKUMNY USTAV BAVLNARSKY. 1 Aug., 1966 [6 Sept., 1965], No. 34424/66. Heading D1D. In break-spinning apparatus comprising withdrawing rollers, one of which is a driving- roller and the other a pressure-roller, disposed between the discharge-outlet of the spinning chamber and a traverse drum of take-up means, and two open guides for guiding the yarn through the nipof the withdrawing- rollers, the arrangement is such that an imaginary plane extending from the outlet to the traverse-drum and tangential thereto, passes through the pressure-roller. The pressure-roller is provided on one lateral edge with at least one notch and one of the guides is disposed between the plane and the driveroller; by these features and the arrangement referred to, yarn unwound from the take-up means and returned to the outlet for piecing after a break, is automatically picked up by the notched roller and moved into the guides. The driven-roller 4 extends over a number of spinning stations, and there is one pressure roller at each station with a notch 10 on one lateral face. Before and after the withdrawing- rollers are guides 6 and 7 which are open in the sense that the yarn can readily engage them, the guide 6 being constituted by a groove in a rod common to a number of stations, and the guide 7 by a notch in a member with a rounded leading-edge 17. In normal operation, yarn is withdrawn from the outlet 1 of a spinning-chamber, travels through the guide 6 to the nip of the rollers 4, 5 and the guide 7 to a traverse-drum 2 by which the yarn is wound on a bobbin 3. A plane 11 is imagined to extend from the outlet 1 to the drum 2 meeting the latter tangentially between the reversal points between which the yarn is traversed. The lateral boundaries of the plane are defined by lines 14, 16; line 14 intersects the notched face of roller 5 and line 16 intersects the cylindrical part of the roller at its centre and at right angles to its axis of rotation. During spinning, if the yarn breaks the withdrawing-rollers are stopped by a stop-motion, and the free end of the yarn is wound up on bobbin 3. To repair the break, the bobbin is lifted off the drum and a length of yarn is unwound and placed near the outlet so that it is sucked into the collecting-surface of the still-rotating spinning chamber. When the bobbin is replaced winding restarts. The withdrawing- rollers are restarted and it follows that the yarn lies in the imaginary plane and oscillates between the lines 14, 16. When the yarn comes along the line 14, it is picked up by the notch 10 and is moved into the nip of the withdrawing-rollers and the guides 6, 7.
Patent GB-343033-A (GB)
Title: Improvements in or relating to devices for stacking sheets delivered from folding or other sheet handling machines
IPC: B65H29/22
Filed: 1929-11-11
Abstract: 343,033. Delivery apparatus for folding &c. machines. CAMCO MACHINERY), Ltd., 6 3 , Farringdon Street, London. Nov. 11, 1929, No. 34432. Convention date, Nov. 23, 1928. [Class 100 (i).] Sheets are delivered from a folding or other machine 11 to a support which receives successive sheets on edge and on which the sheets are stacked by a rotary member provided with independent rotary sheet-engaging members. The stacking devices, Fig. 2, are mounted on a separate frame 25 and comprise a driving pinion 34 which is caused to engage with a conveniently-placed pinion 35 of the folding machine. The sheets are stacked against a movable block 46 in a tray 45 carried by the frame 25. Brackets 28 fixed to the frame 25 adjacent to the folding machine carry rollers 52, 53 which receive the sheet from the machine and deposit it on the tray behind guide fingers 48 on the rear edge of the tray. The sheets are pushed against the block 46 by a wheel 56 having rotary projections in the form of antifriction rollers 57 set into the wheel and projecting into the tray b tween the fingers 48. The rollers 52, 53 and wheel 56 are driven at equal speeds and the wheel is made of comparatively large diameter, the rollers 57 thus moving at a greater speed than the sheets coming from the machine so that each sheet is engaged by at least two of the rollers. Horizontal guide-fingers 50 carried by brackets 49 adjustable on a bar 31 fixed to the brackets 28 prevent the sheets from rising. According to the Specification as open to inspection under Sect. 91 (3) (a) the stacking devices may comprise a belt 43, Fig. 1 (Cancelled) driven from the pinion 34 and having projections 44 thereon which engage each folded sheet B and carries it beneath spring fingers 51 and against a block 46 frictionally slidable on a table 45. The combined pushing action of the projections 44 and the spring-fingers 51 causes the block 46 to be pushed back as each sheet is delivered. Sheetmetal fingers 48 situated above and slightly inclined to the surface of the belt 43 prevent buckling of the sheets. The fingers 48, 51 are carried by brackets 47, 49 respectively adjustably mounted on horizontal bars 30, 31, fixed to side plates 29 on the frame 25. This subject-matter does not appear in the Specification as accepted.
Patent GB-190017-A (GB)
Title: Improvements in or relating to impulse transmitters of the dial type for telephone or like systems
IPC: H04M1/34
Filed: 1921-12-22
Abstract: 190,017. Automatic Telephone Manufacturing Co., Ltd., (Automatic Electric Co.). Dec. 22, 1921. Impulse transmitters. -A transmitter of the dial type is constructed so that after the generation of impulses, the dial performs a further idle movement for an interval at least equal to that required for the generation of a single impulse. Other features are a governor having its axis coincident with that of the device, and an additional brake to prevent forcing of the dial. The dial 1, Fig. 5, has a cam surface 28 which in the normal position bears against a roller 28<a> in contact with a gear-wheel 26 on the shaft 27 of the impulse cam 20, thereby holding the impulse cam out of alignment with the impulse springs 16, 17. In setting, the cam surface is moved beyond the roller 28<a>, and the impulse cam is brought into alignment by the pressure of the outer shunt spring 19. On the return of the dial, impulses are generated until the cam surface again engages the roller 28<a>, whereupon there is an idle movement of the dial and impulse cam until a pin 2<b> on the gear 26 engages a stop 15<c>. The governor comprises a plate 21, Fig. 2, loose on the central shaft with curved arms 21<a> carrying brake weights 22, and has a pawl 24 engaged by a ratchet 25 driven by the gear 26 so that the governor is free to continue its rotation upon stoppage of the gear 26. In the form shown in Fig. 10, the plate 21 carries additional braking nipples 43, and the governor shaft is driven through a helicoidal gear-wheel 42 thereon, so that, if the return of the dial is forced, the governor moves longitudinally, overcoming the ten. sion of a spring 45. bringing the braking nipples 43 into contact with the governor casing 15. In a modification. the governor comprises three arms 21, Fig. 7, w.th brake weights 22 secured to pins 39 sliding in guides in the arms and the hub 32a. and acting on a ring 35 free to rotate, but having attached thereto a spring 40 hooked over a lug 41 in the casing. The spring 40 also acts as a band brake cn a disc 38 integral with the hub 32a, thereby providing the additional braking effect.
Patent GB-1008138-A (GB)
Title: Portable automatic coating brush
IPC: A46B11/06
Filed: 1964-08-24
Abstract: 1,008,138. Reservoir brushes. YUGEN KAISHA SHIN NAKAYA TOSOKI. Aug. 24, 1964 [Aug. 24, 1963], No. 34587/64. Heading A4K. A portable automatic coating brush comprises a handle A, a brush assembly B, means to circulate coating material through passages 5 and 6 in the handle A with an adjustable valve 11 to regulate the quantity of the circulating material, a passage 3 adapted to supply a portion of the circulating material to the brush assembly B and a stop valve 10 in the passage 3. When the stop valve 10 is opened by pressing a push button 13 some of the coating material is supplied to the brush assembly through a bore 8, valve chest 7 and passage 3 to impregnate bristles 24 through pipes 26 or through perforations in a base plate 25. The coating material is supplied from and delivered to a tank and pump through hoses 29 and 30, respectively. The valve 11 is adjusted by turning a threaded head 16. The brush assembly B may be set at an angle with respect to the longitudinal axis of the handle A.
Patent GB-1402892-A (GB)
Title: Electronic ignition circuits for interanl combustion engines
IPC: F02P3/08
Filed: 1972-07-25
Abstract: 1402892 Ignition systems FABRICA ESPANOLA MAGNETOS SA 25 July 1972 34632/72 Heading F1B An ignition system for an internal-combustion engine comprises a condenser 9 arranged to be charged by a transformer 15 with a saturable core, a transistor amplifier 10, 11 for controlling current flow through a primary winding 14 of the transformer, a secondary winding 16 of the transformer providing a feedback, dependent on the saturation characteristics of the transformer core, to the amplifier, a resistance chain 22, 23, 24 forming a leakage path for the condenser and a Zener diode 25 connected between an intermediate point on the resistance chain and a transistor 8 connected to the amplifier such that when the voltage at the condenser exceeds a predetermined value the Zener diode becomes conductive and the transistor 8 earths the base of a transistor of the amplifier for preventing further current flow through the primary winding of the transformer. As shown the system is controlled by a contact breaker 26 but modifications are described which are controlled by a lumious diode and a phototransistor.
Patent GB-1128575-A (GB)
Title: Improvements relating to radial piston fluid motors
IPC: F03C1/053
Filed: 1967-07-27
Abstract: 1,128,575. Fluid pressure reciprocating motors. H.D. PASCHKE. July 25, 1967 [July 29, 1966], No.34639/67. Headings F1A and F1S. A hydraulic or compressed gas operated motor comprises radial cylinders 7 with part-spherical pistons 18 engaging a part-spherical eccentric 5 on a drive shaft 4, operating fluid entering cylinder 7 through an inlet valve 22 biased to its closed position by the pressure in the inlet passage 14 and biased to its open position by the pressure in the cylinder 7, the operating fluid being exhausted through piston 18 and an outlet port 30 or 31 in the eccentric 5, and the arrangement being such that the outlet port moves out of communication with the cylinder before the piston reaches its T.D.C. position, so that the increase in cylinder pressure opens the inlet valve. In the embodiment shown, the inlet valve is opened by the cylinder pressure acting on a plate 24 of larger surface area than valve plate 23 and acting on valve plate 23 through a lifter 25 having an inlet port 26. The relative areas of plates 23 and 24 determine the time during which the inlet valve is open in relation to the rate of rotation of the drive shaft. To prevent all of the inlet valves of the motor from closing at the same motor speed, the valves have different surface area ratios. At least one valve has it surface areas such that at high speed the valve does not close until the outlet port opens. The inlet valve is also biased by springs 27 and 36. In the embodiment of Fig. 3 (not shown), plate 24 and lifter 25 are omitted, and valve plate 23 is biased open by a spring (38), the spring rate being different for the various inlet valves to prevent them from all closing at the same motor speed. In Fig. 1, the cylinder head 10 has a groove 32 vented to the motor casing to prevent build up of pressure between plate 24 and the cylinder head when the inlet valve is open. For starting, springs 36 hold all of the inlet valves open so that the cylinders are all filled with pressure fluid, an adjustable restrictor acting to throttle the exhaust passage 29 until pressure builds up in the cylinders to hold the inlet valves open. The restrictor is then opened to release the pressure in the cylinders registering with outlet port 30 or 31, and the pressure in the other cylinders acts to start the motor. The direction of rotation is reversed by moving shaft 4 axially to bring outlet port 31 into register with the pistons instead of port 30. The leading edges of ports 30 and 31 are inclined to the axis of rotation, so that the timing of the opening of the outlet port is adjustable by axial movement of the drive shaft.
Patent GB-1271677-A (GB)
Title: Gear pumps
IPC: H01H9/04
Filed: 1969-07-10
Abstract: 1,271,677. Gear pumps. DANFOSS A. S. July 10, 1969 [July 12, 1968], No.34768/69. Heading F1F. In a gear pump of the internally-meshing n and n+1 tooth type, having the end-faces of the gears covered by end-face members to close the chambers formed by the tooth spaces and in which at least one of the end-face members is provided with an arcuate suction groove 12, Fig. 2, and an arcuate pressure groove 13 disposed on either side of a line 15, joining the axes 10, 11 of the internallytoothed gear ring 8 and externally-toothed gear 6, the end 21 of the pressure groove in the zone 20 where the chambers between the tooth spaces are at maximum volume is further from the line 15 than the associated end 22 of the suction groove and a throttle passage 23 extends from that end 21 of the pressure groove to the vicinity of the line 15. The throttle passage 23 which is of very small cross-section, see Fig. 4, permits the admittance of hydraulic pressure fluid to a chamber 9a in the maximum volume zone 20 which is beginning to diminish in volume at a slow rate to reduce pump noise and also maintain pressure in this chamber at a sufficiently high value to counteract the pressure acting in the chambers in the minimum volume zone 17 to reduce the wear that occurs between the crests 18, 19 of the teeth as the teeth pass through the maximum volume zone 20. In the vicinity of the minimum volume zone 17, the end of the suction groove 12 may be farther from the line 15 then the end of the suction groove 13 and include a throttle passage 26. Any pressure in the chambers as they increase in volume can be rapidly reduced by this throttle passage and any entrained air bubbles, gradually dispersed to again reduce noise.