baber/WOPTO huggingface dataset:
Patent GB-395083-A (GB)
Title: Improvements in means for regulating the relative speeds of the picture and sound apparatus of a talking-picture installation
IPC: G03B31/00
Filed: 1932-03-07
Abstract: 395,083. Maintaining defined speeds of motors. NAAMLOOZE VENNOOTSCHAP PHILIPS' GLOEILAMPENFABRIEKEN, 13D, Emmasingel, Eindhoven, Holland. March 7, 1932, No. 6803. Convention date, March 6, 1931. [Class 38 (iii).] In a means for maintaining synchronism between the sound and picture apparatus of a talking picture installation, a single electric motor is employed for driving the shafts both for the sound and the picture apparatus, the shaft for the sound apparatus being kept at constant speed by a centrifugal brake. Fig. 3 shows an arrangement wherein a motor 35 drives a shaft 40 for the picture projector which is coupled by a differential gear 41 to the shaft 42 driving the turntable 39 and kept at constant speed by a centrifugal brake 46. A contact 59 is oscillated by an eccentric 57 and the co-operating contact 56a is in the form of a cam and is connected to the planet wheel 49 so that deviation from synchronism between the shafts 40, 42 varies the period of make and break which controls the insertion of a resistance in the motor circuit to maintain synchronism. In a modification, the differential coupling is replaced by a band driving both shafts 40, 42 with a jockey pulley mounted in a loop between the shafts. The jockey pulley is mounted upon a pivoted lever and also carries an eccentric for actuating the contact 59. Variations in the length of the loop vary the limits of movement of the contact 59 which co-operate with an elastically mounted contact. In a further modification, the eccentric driving the contact 59 is moved longitudinally, this movement being employed to vary the period of make and break. Fig. 1 shows the two shafts 1, 2 provided with cams 2, 3, actuating rods 6, 20 pivoted at 8, 22 to levers carrying contacts 9, 11 and 24, 25. The contacts may be connected in series or parallel and control the period of insertion of the resistance 31 in the motor circuit. Specifications 343,811 and 347,026 are referred to. The Specification as open to inspection under Sect. 91 comprises also a construction as set out in Fig. 8 (Cancelled) wherein a combined sound and picture film 131 is unwound from a reel 133 and wound upon the reel 135. The film is driven by rollers 132, 134 connected to a single motor and also by a maltese cross arrangement 136 controlling movement past the lens 137. The rolls 140, 141 are kept at constant speed by a centrifugal brake 148, the shaft 145 also oscillating a contact 167 by means of an eccentric 165. A spring loaded roller 156 is arranged in the loop 157 of the film and varies the position of the contact 164 to vary the period of insertion of a resistance in the circuit of the motor driving the rollers 132, 133, 134. This subject-matter does not appear in the Specification as accepted.
Patent GB-453137-A (GB)
Title: Improvements in or relating to electron discharge device amplifier and like arrangements
IPC: H01J31/04
Filed: 1935-03-04
Abstract: 453,137. Thermionic valves. MARCONI'S WIRELESS TELEGRAPH CO., Ltd., Electra House, Victoria Embankment, London, WRIGHT, G. M., Broom Hall, Woodham Ferrers, Essex, BRETT, G. F., 25, Fitzroy Square, London, and RUST, N. M., 109, London Road, Chelmsford. March 4, 1935, No. 6810. [Classes 39 (i) and 40 (v)] An electron beam valve has within an enclosing envelope an electron gun electrode system projecting a defined beam of electrons, an anode in the path of the beam, and between the anode and the gun an apertured or gridlike guard electrode which extends substantially completely across the envelope to prevent secondary electrons from the anode from passing the guard electrode and reaching any other electrode. The guard electrode may be near either the anode or the gun. In the form shown in Fig. 2, an indirectly-heated cathode 4 is enclosed in a cylindrical control electrode 5 having a slot 5a facing a similar slot in an accelerating electrode 6, which completes the gun system ; between the anode 7 and the gun is a plate-like guard electrode 8 slotted at 8a and extending closely adjacent the walls of the envelope. A cylindrical extension 8b perpendicular to the plate 8, extends parallel to the wall. The anode 7 is at a relatively great distance from the remaining electrodes. Dimensions and working data for this valve are given. In another form shown in Fig. 7, the envelope is elongated, the cathode 4, control electrode 5 and accelerating anode 6 being at one end, and the anode 7 and guard electrode 8 being at the other end. The valve, together with its input and output circuits 10, 11 may be placed in a screening box 12, and an internal screen 9 surrounds the valve so as to form, in effect, a continuation of the guard electrode 8. A screen similar to screen 9 may also be employed with the valve shown in Fig. 2. Further internal screens 16 may surround the neck portion of the valve, which screens may be earthed or connected to a suitable source of potential to act as concentrating electrodes. A magnetic coil 15 may also be used to concentrate the beam. Modulation may be by Wehnelt cylinder or by other known means such as grids, external electrostatic electrodes or external magnetic fields. The guard electrode should be maintained at low or cathode potential. A plurality of screens may be replaced by a single screen forked out or subdivided in the region of the valve, the divided parts being insulated from one another if desired. Specification 403,973 is referred to.
Patent GB-1138944-A (GB)
Title: Modified fibre-forming polymers
Inventor: CORBETT WILLIAM MICHAEL
IPC: C08K5/46
Filed: 1965-02-17
Abstract: 1,138,944. Textile treating compositions. IMPERIAL CHEMICAL INDUSTRIES Ltd. 2 Feb., 1966 [17 Feb., 1965], No. 6830/65. Heading C3R. [Also in Division D1] A composition for treating polymer fibres comprises a copolymer containing polyoxyethylene segments and aromatic polyester, polyacrylonitrile or polyamide segments, or a dispersion or solution thereof, and an antioxidant which comprises 2-mercaptoimidazole, 2-mercaptobenzimidazole, or phenothiazine, and optionally also a hindered phenol antioxidant. The composition may suitably comprise 0À05-5 wt. per cent of the copolymer of each type of antioxidant. In examples a polyethylene terephthalate taffeta is padded with a 5% aqueous dispersion of a copolymer prepared from dimethyl terephthalate, ethylene glycol, and a polyoxyethylene glycol according to Example 11 of Specification 1,088,984 containing 0À5% by weight of the copolymer of 2-mercaptoimidazole, 2-mercapto-benzimidazole, or phenothiazine, each alone and in combination with 0À5% of 4:6-bis-(3:5-di-(-butyl-4-hydroxyphenoxy) - 2 - (n - octylthio) - sym - triazine, octadecyl - # - 1 - (3:5 - di - t - butyl - 4 - hydroxyphenyl) - propionate, 2:4 - dimethyl - 6 - α- methylcyclohexylphenol, or a condensation product of 1 mole of crotonaldehyde with 3 moles of 3-methyl-6-t-butyl-phenol, or 1 mole nonaldehyde with 2 moles of 2:4-xylenol.
Patent GB-473131-A (GB)
Title: Improvements in or relating to machine gun mountings
IPC: F41F1/08
Filed: 1936-03-06
Abstract: 473,131. Machine guns. RADELET, F., and SCHUL, M. March 6, 1936, No. 6841. Convention date, Sept. 18, 1935. [Class 92 (ii)] Relates to machine-gun batteries of the kind comprising a bundle of barrels 1, Fig. 4, rotatable about the axis of the bundle to encircle a target, the barrels being tilted with respect to the said axis to open and close the bundle to spread or concentrate the firing. According to the invention, a single handle 48, Fig. 1, freely mounted on a stem 44 carried by the support 46 for the barrels serves to train the support, the handle being provided with means, such as a grip 50, for tilting the barrels, and external power means, driven, for example, by a flexible shaft 70, for rotating the support. Fig. 4 shows the barrel support 46 movable universally with respect to a spherical guide 47 by the handle 48 which is freely mounted on the stem 44 as shown in Fig. 1. The stem is rotated relatively to the handle by a flexible shaft transmission 70, 68, 67. The tilting of the barrels about pivots 59 is effected by grip 50 connected to an axially movable rack member 71, the teeth on which engage sectors 76 slotted to engage pins on the barrels. The handle also carries a firing button 86 connected to the barrel triggers by Bowden wires 91. In a modification, the grip 50 is replaced by a cam rotated from the gear 68 so that power is available for tilting as well as rotating the barrels.
Patent GB-129602-A (GB)
Title: Improvements relating to Spades and like Digging Tools.
Inventor: DANN FREDERICK JAMES
IPC: A01B1/04
Filed: 1919-03-19
Abstract: 129,602. Dann, F. J. March 19, 1919. Forks; spades.-A digging-tool, such as a fork or spade, is provided with a stand or fulcrum movably attached to it to allow of a pivotal levering motion being given to the tool to raise and turn the soil without bodily lifting the tool. The stand consists of a tubular metal column 2, Fig. 3, fastened to a wooden base 3, or of a single casting of aluminium &c. A clip 5 loosely embraces the shaft 4 of the tool and is pivotally connected to the column 2 by a bolt 7 passing through its ends. A grooved roller 8, Fig. 5, or like antifriction device may' be mounted on the bolt 7. A screw or projection 9 on the shaft 4 works in a slot 10 to allow of partial rotation of the tool to deposit the soil dug up. In a modification, the clip passes through a loop or strap on the shaft 4. In another, the shaft is provided with a detachable metal band having ears or lugs to engage the clip. In the form shown in Fig. 5, the clip is made in two parts hinged together at 14, and is provided with a hinged stud or bolt 15 adapted to engage a slotted lug 16 The stand may be adjustable in height, and its upper part may be made to swivel.
Patent GB-368978-A (GB)
Title: Improvements relating to control apparatus such as contactors and circuit breakers for alternating and direct electric current systems
IPC: H01H47/00
Filed: 1931-03-05
Abstract: 368,978. Electromagnetic switches and automatic circuit-breakers. CHANCE BROS. & CO., Ltd., and SPAINK, J. H. ABBINK-, Lighthouse Works, West Smethwick, Staffordshire. March 5, 1931, No. 6850. Drawings to Specification. [Class 38 (v).] In order to adapt the operating winding of a contactor or circuit-breaker to use on D.C. or A.C. supply, a resistance normally shortcircuited by a switch is connected in series with the winding for A.C. supply and when the coil is connected over to D.C. supply the switch is opened so that the resistance is introduced in circuit. Alternatively the winding is in two parts so that the whole of it may be used for the A.C. supply and a part only for the D.C. supply.
Patent GB-795768-A (GB)
Title: Improvements in or relating to the dyeing of polyester textiles
Filed: 1956-03-05
Abstract: Azoic dyeings on linear aromatic polyester textile materials are produced by treatment in an aqueous bath containing a diazotizable amine in suspension and, as a coupling component, an alkylanilide or alkoxyanilide of b -hydroxynaphthoic acid in solution, at pH 8.5-10.5 and a temperature above 100 DEG  C. and then in a second aqueous bath at a temperature of 20-85 DEG  C. in which latter bath diazotization and coupling is effected.  Treatment with the first aqueous bath is effected in an autoclave.  A subsequent treatment with an alkaline reducing agent serves to remove surface deposits of dyestuff from the material. Diazotization is effected in the second bath by the usual method. Examples are given.  Specification 698,490 is referred to.
Patent GB-476555-A (GB)
Title: Improvements in and relating to electrolytic condensers and the like
IPC: H01G9/02
Filed: 1936-03-07
Abstract: An electrolyte is prepared by coagulating on to an electrode or to a spacer of paper, gauze, &c. a composition comprising an aqueous dispersion of rubber, a polyhydric alcohol, a salt of a weak acid, and a protective colloid, sufficient in amount to inhibit coagulation by the salt of the weak acid.  The alcohol may be glycerol or a glycol, the salt may be ammonium borate or formate, and the colloid may be gelatine gum tragacanth gum acacia albumin or saponin.
Patent GB-103411-A (GB)
Title: Improvements in Weighing Scales.
Inventor: WHITE ALFRED ERNEST
IPC: G01G1/26
Filed: 1916-05-17
Abstract: 103,411. White, A. E., (Toledo Scale Co.). May 17, 1916. Computing-apparatus.-In a weighing-scale for determining the number of identical small articles in a mass, or for obtaining a definite number, the usual weighing-platform 6 is coupled to a beam 16, Fig. 1, carrying a graduated cylinder 62 and a pivoted scale-pan 24. Above the beam 16, slidably mounted on guides 31, 32, is a supplementary beam arranged at right-angles to the beam 16 and carrying a pivoted pan 50, from which depends a rod 51 terminating in a roller 63 adapted to bear upon the beam 16. The pan 50 and its attachments are balanced so that only the weight of the contents of the pan 50 influences the beam 16. The leverage of the scale is such that one article placed in the pan 24 balances one-hundred identical articles on the platform 6. To determine the number of articles on the platform 6 when less than one hundred, a similar article is placed in the pan 50, which is then adjusted along the guides 31, 32 until the pressure of the roller 63 brings the beam 16 into equilibrium. The number of articles may then be read off on the graduated cylinder 62 by means of a pointer 58. For larger numbers of articles, different sets of graduations on the cylinder 62 may be brought into operation, the articles placed in the pan 50 being correspondingly increased.
Patent GB-231656-A (GB)
Title: Improvements in and relating to apparatus for forming a solution from a soluble material such as soap with water
IPC: B01F1/00
Filed: 1924-03-19
Abstract: 231,656. McKenney, F. Y., Cheney, W. H., and Kelly Manufacturing Co. March 19, 1924. Solids, treating with liquids.-A device for making solutions from a soluble material such as soap, and water, comprises a chamber through which passes a stream of the liquid and which encloses a perforated container for the soap or other solid, means being provided for diverting part of the stream through the container while the rest passes round it; means are provided for varying the proportions of these parts. The chamber is fitted to a supply pipe 2 and discharges into a pipe 19. The perforated container 8 is fitted with a frusto-conical cover 11 and the water supply is controlled by two perforated plates 5 and 6 whereby the water passes both through and round the container. The upper plate 5 is rotatable and is provided with sets of perforations of different sizes, whereby the effective openings may be varied to alter the proportion of water flowing through the inner and outer rings of perforations in the lower plate.
Patent GB-1059661-A (GB)
Title: Method and apparatus for determining the condition of flow of a succession of objects
Inventor: COVEY RICHARD CLARENCE
IPC: B65B57/08
Filed: 1965-02-18
Abstract: 1,059,661. Conveyers. M.E.L. EQUIPMENT CO. Ltd. Oct. 11, 1965 [Feb. 18, 1965], No. 7068/65. Heading B8A. Articles, e.g. cans on a conveyer belt, are monitored by the combined outputs of inductive heads 3 (Fig. 1, not shown), disposed transversely to the direction of conveyer travel, and a light 4 and associated photo-cell unit 5, disposed diagonally to this direction. The output from the heads 3 in the form (c) (Fig. 2, not shown), each pulse of which corresponds to a can passing the heads, is fed to a counter 15. The latter has four outputs to respective AND-type sample gates 24-27 corresponding to " normal rate," " slow," "pile-up," and " no cans present " conditions, respectively. The appropriate one of these four outputs is released from the counter 15 at the end of a counting period of one second as determined by a timing unit 14. The latter then commences a sampling period of 0À4 second during which a signal is transmitted from the timing unit 14 to each of the sampling gates 24-27. The timing unit then commences a further full cycle of 1À4 second and so on. Gates 19 and 20 each have a third input from the photo-cell memory unit 22 (via an inverter 23 in the case of the gate 20). Outputs from the gates 17-20 may be used to control conveyer apparatus or may give a signal to an operator.
Patent GB-639301-A (GB)
Title: Improvements in or relating to chucks and like gripping devices
IPC: B43L23/00
Filed: 1948-03-08
Abstract: 639,301. Pencil sharpeners. K. D. G. INSTRUMENTS, Ltd., and HISCOX, J. L. R. March 8, 1948, No. 7156. [Class 146 (iii)] [Also in Group XXII] A pencil sharpener is provided with a rotatable star-shaped cutter blade 14 and is formed with a chucklike gripping device comprising a rotatable apertured member 22, an apertured member 26 frictionally held against rotation, and a number of gripping elements 37 each mounted partly on the member 22 and partly on the member 26 so that relative rotation between the members 22, 26 in one direction moves the elements 37 towards each other, while rotation in the opposite direction moves the elements away from each other. Each gripping element has shanks 39, 40, the shank 39 having a rounded shoulder 42 engaging a lug 34 secured to the member 26 while the shank 40 passes through a lug 33 formed on the member 22 and abuts against a lateral extension 35 of the lug 34. Each extension 35 is provided with an inflexion 36 to form stop means. The member 22 is in the form of a contrate gear wheel rotated by means of pinions 17, 20 and a crank 18, and the member 26 is frictionally held against rotation by means of spring fingers 28 formed on a member 29 secured to the sharpener.
Patent GB-176804-A (GB)
Title: Improvements in apparatus for sorting grain, seeds, and other like granular materials according to length
IPC: B07B1/30
Filed: 1922-03-10
Abstract: 176,804. Peter, J. March 10, 1921, [Convention date]. Void [Published under Sect. 91 of the Act]. Sieves and screens, forms and construction of.-Apparatus for sorting grain, seeds, and other granular materials according to the length of the grains, of the type wherein a plate perforated in parts has the perforated parts with imperforate plates facing them and a short distance away, comprises a plurality of superposed sifting-units of the type indicated. The lowest plate 9, Figs. 1 and 2, on one side is perforated at 6 and above the perforations a plate 1<a> is fixed at such a distance away that a grain entering between them lies lengthwise, the grains of a certain length passing through the perforations. Sifting-units made up of perforated plates 9<a>, 9<b> and imperforated plates 1<d>, 1<e> are superposed above the perforations 6 and plate 1<a> the combined plates being kept spaced by the flanges 1<b>, 1<c> of the plates and by spacing- pieces 14, the whole being secured by bolts 16. The seeds passing through the perforations are discharged through a common conduit 20 as indicated by the arrows in Fig. 2, which is a section through Fig. 1. On the other side of the plate 9 are groups of perforations 6<c> and above them are plates 1<f> having side flanges 1<g> and end flanges 1<h> covered bv a perforated plate 9<d>, above which is a similar flanged plate 1<j> arranged to form superposed sifting-units as before, the side flanges 1g forming box-like chambers as shown in Figs. 1 and 4; each series of these delivers into a conduit 20 as shown by the arrows in Fig. 4, and the side flanges 1<g> act as feeding and actuating devices. The plates are connected together by bolts 14<b> and spacing- pieces 14 having holes 14<a> for the reception of the bolts 14<b>.
Patent GB-628543-A (GB)
Title: Picture projection tube, particularly for television
IPC: H04N5/645
Filed: 1946-03-07
Abstract: 628,543. Reflecting objectives. EDWARDS, B. J., and PYE, Ltd. March 7, 1946, No. 7188. [Class 97 (i)] [Also in Group XL (a)] A Schmidt lens combination for use in a television picture projection apparatus comprises a concave mirror 31 supported within the envelope 1 of a cathode-ray tube and a correcting plate 40 adjustably mounted in front of the glass window 21. The mirror 31 is spaced from the target of the cathode-ray tube by struts 33 of an alloy having a low coefficient of expansion. The spacing may be varied by rotation of the struts. The correcting plate 40 is carried in a mounting ring 41 in front of the glass plate 21 by metal struts 42 carried from the ring 21a. The ring 41 is adjustable along these struts, being locked in position by the screws 39. The correcting plate 40 is adjustable laterally within its mount. ing ring 41. Fig. 2 shows the apparatus 1 mounted in a framework 50. Two of the struts 42 are each provided with a pair of rollers 53, adapted to run on a pair of rails 55 so that the plate 21 and correcting plate 40 can be moved bodily away from the envelope 1.
Patent GB-1219128-A (GB)
Title: Fastening devices for textile webs
IPC: F16J10/02
Filed: 1968-02-14
Abstract: 1,219,128. Strip fastening. FARBENFABRIKEN BAYER A.G. 14 Feb., 1968 [25 Feb., 1967], No. 7232/68. Heading E2S. [Also in Division A4] A strip fastener comprises a pair of co-operating plastics, e.g. polyethylene, foil strips 2, 5 each formed on one face with hooked projections, the projections of the respective strips 2, 5 being interengaged in the fastened condition,
Patent GB-1532703-A (GB)
Title: Machine for producing tank walls of plastics material
IPC: H02P5/50
Filed: 1976-02-24
Abstract: 1532703 Producing walls of glass fibre reinforced plastics OWENS-CORNING FIBERGLAS CORP 24 Feb 1976 [27 June 1975]  7244/76 Heading G3N [Also in Division B5] A machine produces a tank wall of glass fibre reinforced plastics on a rotatable mandrel 10 using a carriage 14, reciprocable parallel to the mandrel rotation axis, carrying a dispenser for hardenable liquid resin and reinforcing glass fibre. A control system keeps the carriage speed constant in relation to the mandrel speed to produce a cylindrical part AB of the wall and continuously changes the carriage speed at a constant rate with respect to mandrel speed to produce a conical part BC of the wall. The mandrel 10 is driven by an hydraulic motor 19 and digital tachometer 20 measures its speed which is multiplied in unit 22 by a number entered via thumbwheel switch TWS1 and bidirectional' counter 28. The product then controls the speed of reversible DC motor 16 which drives belt 11 for carriage 14. To produce the wall profile BC, gate 32 is enabled so that counter 28 is also under control of a second multiplier 30. Thus there are continuous changes in multiplier 22 output and thus carriage 14 speed varies with respect to mandrel speed. Multiplier 30 receives an input from tachometer 26, which measures the speed of the carriage 14 motor, and an input from thumbwheel switch TWS2 to vary the taper slope of the wall. The carriage 14 engages limit switches LS1, LS2 at the ends of its reciprocating path and these activate forward and reverse contacts 15, 17 for motor 16 and forward and reverse contacts 33, 34 of counter 28.