baber/WOPTO huggingface dataset:
Patent GB-462578-A (GB)
Title: Improvements in electric current collecting devices having laminated contact paths
IPC: H01F29/06
Filed: 1936-04-29
Abstract: 462,578. Regulating switches ; transformers. SIEMENS-SCHUCKERTWERKE AKT.-GES. April 29, 1936, No. 12183. Convention date, May 14, 1935. [Class 38 (v), [Also in Group XXXV] In a regulating switch having a contact - making device engaging a laminated contact path, the contact lamellae of which are mutually insulated, the path is subdivided into two adjacently located longitudinal strips, along which the lamellµ extend up to the contact surface alternately only, first on the one and then on the other strip, and a separate contact maker is arranged to be traversed over each strip, the two contact makers being rigidly connected together and electrically connected in parallel to one another. In the case of a stage lighting transformer, having a winding of thin copper plates 11, 12 separated by insulating layers 13, contact makers adapted to tap off current from consecutive points along the winding engage a contact path 28. The plates 11, 12 have indentations formed therein which extend over slightly more than half the width of the path 28 and the plates are so assembled that the indentations in successive plates are located first on one side of the contact path and then on the other. The spaces formed by the indentations are then filled with an insulating mass 25, thus forming two contact strips I and II. The contact making device 20 consists of two laminated metal members 18, 19 mounted in a frame 22, the thickness of the laminae being less than that of the insulating layers 13. The members 18, 19 are spring-pressed into contact with the lamellµ and are insulated from one another in the frame 22, but each is connected through a resistance with the tapping line. Each contact member may be in the form of a pair of rollers 16, 17, carried by an arm, the two arms being rigidly connected together. The rollers 16, 17 of each member are slightly displaced relatively to one another and are directly connected together, while the two members are connected in parallel through a resistance. Only one roller need be employed, in which case the parts of the sheets 11, 12 forming the contact path are widened by bending over the edges. The plates 11, 12 forming the winding are formed of the same shape, alternate plates being turned over in order to form the displaced arrangement of the indentations, and the contact path may be formed of a number of pairs of longitudinal strips.
Patent GB-343814-A (GB)
Title: Improvements in drying apparatus for cellulose films and the like
IPC: F26B13/14
Filed: 1930-04-17
Abstract: 343,814. Drying cellulose films. BLEIBLER, E., 13, Konradstrasse, Winterthur, Switzerland. April 17, 1930, No. 12237. Convention date, May 2, 1929. [Class 34 (i).] To eliminate shocks due to irregularities in driving, cellulose films are dried by passage on alternate sides over a series of rollers which are driven individually or in groups and are coupled together by a separate gearing. In Fig. 2 the film (not shown) passes alternately above and below the rollers 31, 20, 21 .. which have each a separate drive 25, 23, 25 .. and are coupled by an endless belt 28. In a modification the drives 25 of some of the upper rollers are omitted. In Fig. 4, the rollers are driven in groups of three, the upper rollers each being common to two groups. Steam is led into the rollers through their trunnions. The peripheral speed of the later rollers is reduced to allow for the shrinkage of the film. Toothed gearing may be substituted for the belt drives shown.
Patent GB-1500076-A (GB)
Title: Apparatus for crushing synthetic material in particular synthetic tubes
IPC: B02C23/02
Filed: 1975-03-24
Abstract: 1500076 Comminuting apparatus WAVIN BV 24 March 1975 [29 March 1974] 12278/75 Heading B2A  Tubular synthetic material 9 is fed into a mill 3 along a feeder 12 which prevents the tubes 9 from tipping up or rotating by use of an upper angled surface 10.
Patent GB-162915-A (GB)
Title: A removable and renewable striking attachment for pocket match-boxes
IPC: A24F29/00
Filed: 1920-05-04
Abstract: 162,915. Paterson, E., and Portal, H. V. E. May 4, 1920. Match-striking surfaces. - The striking device comprises a removable steel sawblade C, the teeth of which protrude in the bottom of a groove in the box. One end of the blade fits into a recess D and the other is secured by a pin B on a spring A, which is made to lift easily for withdrawal of the blade; the blade may be held at both ends by pins, the groove being carried out at both ends of the box.
Patent GB-1082186-A (GB)
Title: Improvements in clips for joining pairs of flanged frame members
Inventor: VIEHMANN GEORGE ANTHONY
IPC: E06B7/084
Filed: 1965-03-22
Abstract: 1,082,186. Spring clips; stud and socket fastenings. CONSTRUCTION SPECIALTIES Inc. March 22, 1965 No. 12317/66. Divided out of 1,050,868. Heading E2B. [Also in Division F4] Two frame members 12 and 14 of a louvre ventilator are clamped against a wall 11 by screws 17 passing through a flange of the member 14 and engaging clips 18 held between flanges 19 and 28 of the member 12. Each clip 18 comprises an L- shaped portion 21 inserted in a slot 24 formed between the flange 19 and a portion 27 of the member 12 and further comprises a plate 20 which, after insertion of the clip in the slot 24, is wedged against the flange 28. Each louvre blade 13 is pivotally mounted at one end by means of a plate 30 which has three pins 32, 33, 34 on one face, the pin 32 entering a boss 35 on the blade and the pins 33 and 34 engaging the blade on either side of the boss. The other face of the plate 30 has two pins, one pivoting in the frame member 12 and the other engaging a common actuating bar 40.
Patent GB-1154138-A (GB)
Title: Hydrostatic Steering System.
IPC: F15B20/00
Filed: 1968-03-14
Abstract: 1,154,138. Hydrostatic steering mechanism. DANFOSS A.S. 14 March, 1968 [23 March, 1967], No. 12429/68. Heading B7H. A hydrostatic steering system includes an isolating valve 9 connected in the flow and return lines 5, 7 and 6, 8 of two parallel hydraulic circuits extending between two mechanicallyinterconnected steering rams 14, 15 and steering control means 1 actuated by a steering wheel 2, the valve 9 being arranged such that if fracture of one of flexible hoses 10, 11, 12 or 13 incorporated in each line results in a pressure drop in the line, then the circuit containing that line will be isolated from the control means 1 and steering may still be effected by the ram supplied by the other circuit. The valve 9 includes a spool 20 centred by springs 21, 22 and formed with grooves 53, 63, 73, 83 aligned with parts 51, 61, 71, 81 and 54, 64, 74, 84 in the lines 5, 6, 7, 8. Pairs of equal-area end faces 23, 24 and 25, 26 on the spool are subjected through branch lines 43, 44, 45, 46 to the pressure in the lines 5, 6, 7, 8. A drop in pressure on one end face results in axial movement of the spool whereupon both lines in the offending circuit are isolated from the control means 1 and connected through passages 90, 91 or 92, 93 in the spool to atmospheric vents 94, 95 or 96, 97 the other circuit remaining open due to alignment of the associated grooves 53, 73 or 63, 83 with branch ports 52, 55 and 72, 75 or 62, 65 and 82, 85.
Patent GB-550554-A (GB)
Title: Improvements relating to frequency modulation
IPC: H04B14/00
Filed: 1941-09-25
Abstract: 550,554. Frequency modulation. MARCONI'S WIRELESS TELEGRAPH CO., Ltd. Sept. 25, 1941, No. 12464. Convention date, Sept. 26, 1940. [Class 40 (v)] In a frequency modulation system, the carrier is given a frequency shift in accordance with the asymmetry of the signal wave, thus allowing the frequency swing to lie symmetrically within the allotted channel. The carrier oscillator 10 is frequency modulated by a valve reactance 40 with the signal applied through a transformer 46 to its control grid. The main frequency of the oscillator 10 is maintained constant by causing its output to beat in the mixer valve 20 with a standard frequency controlled by a crystal 26, the beat frequency being fed to a discriminator 54 of the off-tune type, giving a correcting voltage across the rectifier load resistances 60, 61 which is smoothed by resistance 62 and condenser 64 and fed to the control grid of the reactance valve 40. The signal voltage is fed from transformer coil 49, or from the unsmoothed output of the discriminator 54, according to the position of the switch S, to amplifiers 70, 80 and peak rectifiers 90, 901 so as to create across resistances 89, 91 a voltage proportional to the asymmetry of the signal wave. This voltage is also fed to the control grid of the reactance valve 40 to effect the desired frequency shift. The amplifier valve 80 is given a low internal impedance by the feedback circuit 82, 84. At the receiver, the signal is de-modulated by a normal frequency discriminator and is then combined with a component derived from the de-modulated signal by amplifiers and rectifiers similar to 70, 80, 90, 901 at the transmitter, thus restoring the asymmetry of the original signal wave (Fig 3, not shown). Specifications 504,766 and 507,826, [Group XXXIX], are referred to.
Patent GB-831888-A (GB)
Title: Improvements in and relating to electrohydraulic apparatus for controlling hydraulicactuators more especially for operating section switches
IPC: H01H33/34
Filed: 1957-04-17
Abstract: 831,888. Controllers. GRATZMULLER, J. L. April 17, 1957 [April 18, 1956], No. 12509/57. Class 38 (3). [Also in Group XXIX] The movable contact mechanism of a section switch is closed and opened by a double-acting hydraulic jack or by single-acting jacks which are respectively controlled by valves 1, 2. A push-button 20 is pressed to close the section switch, so energizing coil 10 and depressing armature 9, whereby holding-contacts 11 are closed. Contacts 12 open the circuit of coil 16, and contacts 13 establish a circuit for coil 32 so that motor 4 is started to drive pump 3, and contacts 33 are closed to complete the holding- circuit of coil 10. At the same time, armature 9 depresses the plunger of valve 1 and interconnects pipes a and c to energize the appropriate actuator. When the actuator completes its stroke, the consequent rise of pressure in pipe 35, which is subjected to the delivery pressure of pump 3, opens switch 39 to deenergize coil 32, stop the motor and pump, and open the holding-circuit of the coil 10. The switch 39 is biased to the closed position by means of a calibrated spring 40. The section switch may now be opened by depressing pushbutton 21 to energize coil 16, the subsequent cycle of operations being similar to that described. When the system is in its inert state, the coils 10, 16 are doubly isolated by doublepole contacts 24, 25, and 26, 27, as well as by contacts 11, 17 and 33. The motor cannot be re-started immediately after a supply-failure since de-energization of coil 32, which is fed from two phases of the three-phase supply, opens contact 33 so, in turn, opening that contact 13 or 19 which was closed at the time.
Patent GB-1157762-A (GB)
Title: Floor Covering
Inventor: PANTON VERNER
IPC: A47B13/00
Filed: 1967-03-17
Abstract: 1,157,762. Floor coverings; unit furniture. V. PANTON. 17 March, 1967 [19 March, 1966], No. 12513/67. Headings A4S and A4U. Carpet panels 1, in close interfitting relationship on a floor, are replaceable by interchangeable furniture units 3, 4, 5 in the form of tables, stools and chairs, each having a flat base of the same shape as the panels, part panels 2, 2b being provided, if necessary, at the edges of the floor. The units include low and high-backed chairs, with or without arm rests, and lateral surfaces of the units are vertical so that adjacent panels can be replaced thereby to form bench seats. In a modification the panels are rectangular or square.
Patent GB-345849-A (GB)
Title: Improvements in or relating to centrifugal separator bowls
IPC: B04B11/04
Filed: 1930-04-23
Abstract: 345,849. Centrifugal machines. AKTIEBOLAGET SEPARATOR, 8, Fleminggatan, Stockholm. April 23, 1930, No. 12539. Convention date, April 24, 1929. Addition to 316,181, [Class 23, Centrifugal machines &c.]. [Class 23.] Density separators.-In a liquid separator of the type described in the parent Specification, the discharge outlets for the heavy and light components are arranged at opposite ends of the bowl. A cone 13 is attached at the upper end of the bowl wall so that the light component after separation in the bowl passes inwardly over the outer surface of the cone, through the annular opening 15 and outwardly over the inner surface of the cone. The heavy component is discharged through openings 20 and chamber 21 over the edge of an exchangeable regulating disc 22.
Patent GB-788217-A (GB)
Title: Heat exchanger units
IPC: F22G7/02
Filed: 1956-04-24
Abstract: 788,217. Tubular heat exchangers. BATEY, A. April 24, 1956 [May 4, 1955], No. 12555/56. Class 64(3) [Also in Group XXVIII] An economizer or steam generator tube element is provided with axially spaced gills 15 and with two opposed pairs of spaced longitudinal walls 17, 19 respectively, extending from the tube, the outer ends of one pair of walls (e.g. the walls 19) being more widely spaced apart than are the outer ends of the other pair. In the form shown a plurality of such elements are arranged one above the other and the extremities of the walls 17 of one element nest within the extremities of the walls 19 of an adjacent element (Fig. 3). Each cavity thus formed between the walls of the nested elements is arranged to receive a soot blower steam diffusion tube 37 (see Group XXVIII). The tube assembly is contained within a rectangular gas duct two opposite walls of which receive the ends of the tubes. The gills 15 are so positioned in relation to the tube ends that on assembly, the gills 15 of adjacent elements are relatively staggered. Each tubular element comprises a plurality of finned sleeves mounted on a plain tube. Preformed finned sleeves may be secured to the tubes through an intervening layer of metal such as aluminium or the sleeves may be cast directly on to the tubes.
Patent GB-270768-A (GB)
Title: Weighing machines
IPC: G01G1/28
Filed: 1927-05-10
Abstract: 270,768. Rival, T. May 10, 1926, [Convention date]. Addition to 237,550 and 268,543. Loose-weight apparatus; indicating-mechanism. -The weighing-apparatus described in Specification 237,550 and as modified in the parent Specification is provided with means for indicating the fractions, units, and multiples of units, of the load. The beam 1 of a balance supports at one end a weights-plate 8 adapted to pick up weights P, Q to counterbalance the tens of units in the load. The last two weights P to be picked up are connected by a rod 19 and lever 16 to a second weights-plate 20 adapted to pick up weights p, q and thereby counterbalance the units of the load. A pendulous lever 29 connected to the last two weights p to be picked up counterbalances the fractions of the load. The tens of units are indicated on two similar, slotted boards 32 by means of two differently-coloured indexes 33 connected to the weights-plate 8. The boards 32 may be stationary or connected to the draw-rod 35. The units are indicated bv an index 34 connected to the weights-plate 20 and movable behind two sets of slots in a board 36. The index 34 is marked in two colours corresponding to the colours on the indexes 33, and the slots are numbered upwardly from 0 to 4 in one set and downwardly from 5 to 9 in the other set, the numbers being alternately coloured or otherwise characterized. The tens of units in the load is determined by the slot through which an index 33 is visible, the units by the slot through which that part of the index 34 is visible that corresponds in colour to the visible index 33, and the fractions by that reading on the chart 37 that corresponds in characterization to the number of the said units slot.
Patent GB-240389-A (GB)
Title: Improvements in or relating to power-translating mechanisms
IPC: F16C3/22
Filed: 1925-05-14
Abstract: 240,389. Morison, G. S. May 14, 1925. Converting rotary into oscillating rnotion; friction and toothed gearing. - An eccentric wobbling motion is imparted to a ring member 12, Fig. 1, from a rapidly-rotating friction pinion 5 through loosely planetating friction rollers 6, 7, 8 which are not all the same size. There is preferably one large roller 6 and two smaller equal ones 7, 8 coupled by links 10. The larger roller keeps in the widest space between the elements 5, 12 so that the latter moves like an eccentric. The ring 12 may be coupled by linkwork 13, 18 to a rod 20 which is reciprocated. Alternatively, a rotary epicyclic drive may be taken from the links 10. The eccentricallymoving ring 12 held from rotation mav be formed with peripheral teeth 12a, Fig. 3, which drive an internal gear 32 at much reduced speed. The gear 32 may be a belt pulley or toothed wheel externally. The epicyclic friction rollers may be stepped in two diameters to obtain greater speed reduction.
Patent GB-1074355-A (GB)
Title: Actuatable member for shutter tensioning and film transport in photographic cameras
IPC: G03B17/42
Filed: 1966-03-23
Abstract: 1,074,355. Photographic cameras. ERNST LEITZ G.m.b.H. March 23, 1966 [March 25, 1965], No. 12704/66. Heading G2A. In a photographic camera 1 having an actuating lever 3 for shutter tensioning and film winding, the lever is disposed in a first position (shown in solid lines) when not in use, and is rotated through an angle # to a second position so as to be ready to actuate the shutter tensioning and film wind, by further rotation through an angle alpha. Rotation of the lever from first to second position causes a cam (6) Fig. 3 (not shown) to close electric contact (7) in the circuit of an exposure meter (13), the contact remaining closed when the lever is rotated through the angle alpha, and opening when the lever returns to the first position. In another embodiment Fig. 4 (not shown) a cam (15) closes contact (12) in the circuit of a removable electric motor (14) for film wind and shutter tensioning when the lever (3) is in the first position. The control cam (15) opens the contact (12) when the lever (3) is moved into its second position or beyond. The electric motor (14) may be arranged to effect shutter triggering in addition to, or instead of, film wind and shutter tensioning. The lever 3 may be provided with both the cams (6), (15), and their associated devices. In this case, a third position, nearer the camera body than the first position, is provided for the lever (3) so that both contacts (7), (12) are open when the lever is in this third position.
Patent GB-552437-A (GB)
Title: Improvements relating to containers for storing gases or liquids under pressure
IPC: F17C1/16
Filed: 1941-10-03
Abstract: 552,437. Storing gases and liquids under pressure. DAVIES, H. Oct. 3, 1941, Nos. 12822 and 14543. [Class 8 (ii)] [Also in Groups IV and XVII] A pressure storage vessel is formed of homogeneous thermoplastic material and is reinforced by a winding of wire which may be coated. The vessel may be formed of sections jointed longitudinally or zonally and may be fitted with a lining also in sections, the joints being out of line. The material of the vessel may be polymethyl methacrylate or polymerized styrene. The joints may be cemented by polymethyl methacrylate powder dispersed in the monomethyl ester with addition of chloroform &c. The vessel may be coated with metal before winding and after application of an anti-corrosive such as a syrup of urea-formaldehyde resin or a solution of cellulose acetate. The wire may be coated with rubber or resin such as polyvinyl or polystyrene or cellulose acetate. Fig. 6 shows an end fitting to facilitate filling and withdrawal comprising a skirted insert b held by a nut n and sealed by packing in a groove o.
Patent GB-220083-A (GB)
Title: Improvements in fish and potato cooking ranges
IPC: A47J37/10
Filed: 1923-05-14
Abstract: 220,083. Walton, T., and Walton, C. May 14, 1923. Frying - ranges.- In frying-pans for fish and potato ranges, of the kind in which an inwardly projecting flange extends from the side of the pan to check splashing and boiling-over, the flange projects downwardly. In the case of a horizontal flange a small downwardly-extending lip or beading is formed on the inner edge; inclined flanges are preferably, as shown, provided with a similar lip.. The flange may be integral with the pan or united to it by welding, and it may be provided yith holes closed by screwed plugs to facilitate washing-out.
Patent GB-957961-A (GB)
Title: Improvements in or relating to the formation of eyes in ropes
Inventor: TERRY STANLEY EDWARD
IPC: D07B1/18
Filed: 1962-04-04
Abstract: 957,961. Moulding eyes on ropes. BRITISH NYLON SPINNERS Ltd. March 12, 1963 [April 4, 1962], No. 12845/62. Heading B5A. [Also in Division D1] A method of forming an eye at a rope end comprises making a loop in the rope to provide the shape of an eye, inserting the loop into a mould adapted to contain the loop, and pouring a hardenable resin into the mould to cover the rope structure of said loop, the resin being allowed to harden before withdrawing the loop from the mould. The loop may be formed about a thimble and the loop and thimble embedded in the resin. The mould is in two halves, each half comprising a rectangular mould plate 20, having a cavity for receiving the eye, an elongated groove 21 for the rope at one end of the mould, and an inlet groove 22 at the opposite end for the introduction of resin. A heating element 23 is placed against the outer face of each plate 20 and an insulating element 24 is fastened against elements 23 by bolts 25 and 25<SP>1</SP>. The heating elements are energized via wires 26, 26<SP>1</SP>. A preferred resin for use with nylon rope is a mixture of 70 parts of an epoxy resin with 30 parts of a polyamide resin.
Patent GB-802955-A (GB)
Title: Electric pulse counter
IPC: G06M1/10
Filed: 1955-05-04
Abstract: 802,955. Counting-apparatus. ELMECO A.G. May 4, 1955 [May 11, 1954], No. 12961/55. Class 106 (1). An electromagnetically operated pulse counter comprises a magnet wheel P, Figs. 1 and 2, which is rotated in step-by-step manner by the combined action of an electromagnet E the coil Sp of which receives the impulses to be counted and an additional permanent or electromagnet R. The pole shoes of the magnets E and R are tapered to extend in the opposite direction to the direction of rotation of the magnet wheel P which may, as shown, be rigidly connected to the first numeral wheel a of the counter or may be connected thereto through suitable gearing. Each numeral wheel may be in the form of a magnet wheel.
Patent GB-437735-A (GB)
Title: Improvements relating to laundry and textile drying machines and the like
IPC: D06F58/12
Filed: 1934-04-30
Abstract: 437,735. Endless chain conveyers. LISTER, V., and LISTER, S. W., (trading as LISTER BROS.), Nightingale Vale, Woolwich, and BROAD, L. F., 215, Rochester Way, Kidbrooke, Blackheath, both in London. April 30, 1934, No. 12968. [Class 78 (i)] [See also Group XIII] A conveyer for drying - apparatus comprises a chain passing round sprockets and secured to members 79 depending from spindles 76 having rollers 77 running on tracks, the articles to be conveyed being secured by gravity gripping elements 81. The articles are discharged by the engagement of fixed cams 84 with projections 82 on the gripping members.