baber/WOPTO huggingface dataset:
Patent GB-640463-A (GB)
Title: Improvements in or relating to a method of forming wrought metal fittings and the product resulting therefrom
IPC: B21C37/29
Filed: 1947-06-27
Abstract: 640,463. Making pipe fittings. NORTHERN INDIANA BRASS CO. June 27, 1947, No. 17015. Convention date, Sept. 28, 1946. [Classes 83 (ii) and 83 (iv)] Stamping.-In a method of making pipe fittings such as T's or Y's of substantially uniform thickness a capsule 4 of approximately the same thickness as the fitting is filled with a low melting-point metal 12 and pressed into a die with a smoothly-curved cavity by a plunger 13 with a shoulder 14 which feeds the capsule walls into the cavity, the ends of the fitting are sawn off and the filling melted out. The capsule is preferably of copper or a high copper alloy such as 85 per cent copper and 15 per cent zinc or may be a ferrous metal. The filler may be any low melting-point metal such as lead, type-metal or solder which does not react chemically with the capsule metal and may be inserted into the capsule in the molten state or in the form of a pre-cast slug. The capsule 4 formed by a drawing operation from a flat disc and containing the filler 12 is inserted into the feed passage 7 of a split die 5 into which the plunger 13 with a short supporting section 15 is introduced so as to compress the filler metal slightly before the shoulder 14 engages the capsule wall. On further lowering the plunger 13 the filler metal is bulged and carries the capsule wall, forced inwards by the shoulder 14, to fill the cavity 10 and the run passages 16 which have vents 9 to permit the escape of air. The ends of the run portions 16 may be sawn off before the filler metal is finally melted out. Fittings of similar shape may be made having the central cavity 17 of ellipsoidal or similar form with a smooth curved surface of larger cross-sectional area than the passages 7, 16 and smooth tangential reversed curved surfaces 11 at the entrance to the passages.
Patent GB-313086-A (GB)
Title: Improvements in driving mechanisms for vibrating sieves or the like apparatus
IPC: B07B1/42
Filed: 1929-06-04
Abstract: 313,086. Amme-Luther Werke Braunschweig der Miag M³hlenbau und Industrie Akt.-Ges. June 6, 1928, [Convention date]. Right to Patent relinquished. Machinery, utilizing inertia to obtain movements in. - In mechanism for actuating sieves or other apparatus of the kind comprising two oppositely rotating fly-weights so that the centrifugal forces have an additive and a cancelling effect during one rotation, the fly-weights p, q, Fig. 2, are mounted on stationary sleeves b, c secured by a flange a to the mechanism to be moved. Belt pulleys r, s are secured to the weights and carry stub shafts d, e intergeared at the inner ends f, g, so that. the meshed gears may act merely to secure the correct relative positions of the weights or to transmit drive from one to the other.
Patent GB-567152-A (GB)
Title: Improvements in or relating to apparatus for magnetically recording, reproducing andtransmitting speech and messages
IPC: G11B5/00
Filed: 1942-11-30
Abstract: 567,152. Magnetic sound recording and reproducing apparatus. TELEPHONE MANUFACTURING CO., Ltd., SMITH, S. J., and TERRY, R. ST. G. Nov. 30, 1942, No. 17023. [Class 40 (ii)] An apparatus for magnetically recording and reproducing sound comprises a storage reel 3, Fig. 1, on which a metal tape or wire is normally wound, a feed reel 4 on which the tape is wound from its storage reel before recording or reproducing, the operation of winding the tape on the feed reel also winding spring means for subsequently winding the tape back on the storage reel from the feed reel, during which rewinding the tape is drawn through a recording or reproducing head 12 to perform the recording or reproducing operation. In the apparatus shown, the winding of the tape on the feed reel is performed by means of a handle 5, which can be turned into a recess 5c when the apparatus is not in use. The spring means for winding the tape back comprise two spring drums 21, 21, Figs. 2 and 3, geared to the spindle 20 of the storage reel 3. The spring drums are given a preliminary winding by means of keys detachably fitted to their spindles. Then ratchet pawls 34, 34 are tightened up by screws 35. The storage reel is geared to a screw 25 in engagement with a non-rotatable nut 28 adapted to abut a fixed stop 31 to limit the unwinding of the tape from the storage reel. A spring cushioning device 30 is also provided on the nut to co-operate with rods which confine the nut against rotation. The feed reel 4 is similarly geared to a screw and nut device 37, 24, which limits the unwinding of the tape from the'feed reel, and is also connected to a lever 9 for indicating the extent of travel of the tape. The feed reel 3 is also geared to two centrifugal speed regulators 16, 17. The regulator 16 is a " fast " speed regulator permanently in gear with the feed reel. The other regulator 17 is a " low " speed regulator and is geared to the feed reel through a clutch which is thrown in and out by a fork 64 connected to the speed setting device 10. A " start-stop " control lever 11 is adapted to release or stop a spring cushioned finger on one of the spindles geared to the feed reel. The reels are detachable and interchangeable, co-operating lugs and slots being provided for this purpose. The magnetic head 12 can be opened and closed, and is held closed by a latch 12a. The mechanism is arranged behind a front panel 1 and is protected by a back cover 13.
Patent GB-614315-A (GB)
Title: Improvements relating to apparatus for applying lids to receptacles
IPC: B21D51/34
Filed: 1945-07-04
Abstract: 614,315. Apparatus for applying lids to receptacles. JACKSON & CROCKATT, Ltd., J. G., and GAIR, D. July 4, 1945. No. 17023. [Class 125 (ii)] [Also in Group II] In apparatus for applying lever lids to receptacles, individual lids are fed positively from a stack to a lidding station by a positively reciprocated push feed means comprising a conveyer having an aperture to receive a lid and a support for the conveyer having an aperture through which the lid falls when slidden to the lidding position by the conveyer. A conveyer slide 8 has an aperture 9 which may be positioned beneath a stack 5 and into which a lid is allowed to fall from the stack. The slide 8 is reciprocated by a cam 12 working through levers 13, 14 to position the aperture 9 over a corresponding aperture 10 in a support or base 7, whereupon the lid falls through the apertures onto a receptacle and is rammed home by a plunger. The slide 8 is returned to the position in which the aperture 9 is located beneath the stack 5 by a spring 15, but only when a receptacle is fed to the lidding station, an escapement motion being provided to p-event actuation in the absence of a receptacle. Means for positively separating the lowermost lid from the stack include three continuously rotated knife edged discs 31, only two being shown, which are intermittently advanced towaids the stack (see Group II).
Patent GB-613211-A (GB)
Title: Improvements in or relating to a mechanism of the nut and screw type
IPC: F16H25/22
Filed: 1946-06-05
Abstract: 613,211. Screw-and-nut gearing. RUSSELL, R. C. June 5, 1946, No. 17068. Convention date, June 14, 1945. [Class 80 (iii)] [Also in Groups XXXVII and XXXVIII] In screw-and-nut mechanism, Fig. 1, of the type comprising a screw member 10 having a concentric helical groove 16 thereon, a nut member 18 relatively rotatable with respect to and surrounding the screw member 10 and having concentric annular grooves 30 in the bore thereof, and a cage 34 interposed between the nut and the screw carrying a plurality of ball's 32 seated in the grooves 16, 30 of the screw and nut, collars 38 are mounted upon each end of the screw 10 which limit relative axial movement of the screw 10 and nut 18. The screw 10 has a flat eye portion 14 at each end for attachment to a clevis or the like and is prevented from rotating. The nut 18 constitutes the drive shaft of a reversible electric motor 20 rotatably mounted in a housing 26 and is prevented from axial movement. At the limits, stop surfaces 42 on the collars 38 engage surfaces 36 on the cage ends, the cage and screw member 10 remaining stationary whilst the balls 32 move in the annular grooves of the rotating nut member 18. Limit switches S may also be provided which, when actuated by the collars 38, cause the motor circuit comprising the armature 20a, field winding 22a, battery B and a control switch C to be broken. Reversal of the direction of rotation of the motor 'shaft 18 may be effected by operation of the control switch C. In a modification, Fig. 3, wherein the axial position of a screw 110 may be controlled at any point between its opposite limits of movement, a collar 152 fixed to the shaft 110 carries carbon pile type contacts 156. A rod 160 disposed parallel to the screw 110, slidably carries contact members 166, either of which may be moved into contact with a contact 156 by movement of a control rod 170, thus completing the circuit through field winding 182 or winding 184, thereby causing rotation of the armature in one direction or the other. The speed of the motor is dependent on the pressure applied to the rod 170. In another embodiment, nut members having annular grooves therein are axially displaceable on a screw member secured to the shaft of an electric motor and relative axial movement is limited by pins such as 150, Fig. 3, obstructing the passage of the balls in the helical groove. Electrical limit switches are also provided.
Patent GB-237720-A (GB)
Title: Improvements in or relating to collapsible beds, cots, hammocks or the like
IPC: A47C17/72
Filed: 1924-07-17
Abstract: 237,720. Hatherley Works, Ltd., and Morris, W. R. July 17, 1924. Folding bedsteads.-In a collapsable bed, cot, &c. of the kind comprising two trestle-like members a connected by parallel horizontal members b, below the apices of the tresles, these members b directly carry a fabric bed bottom c.
Patent GB-594298-A (GB)
Title: Improvements relating to garden frames
IPC: A01G9/20
Filed: 1944-09-08
Abstract: 594,298. Garden frames. GASCOIGNE, G. H., and KINGSTON, J. A. Sept. 8,1944, No. 17199. [Class 20(i)] The roof portion B of a garden frame is pivotally mounted on the top section A of the body portion by a pivot bar P, or the equivalent, and is counterbalanced by a container D loaded with soil, water, &c. The container D is mounted on the back wall of the roof portion B, and to allow freedom of movement the pivot bar P, which passes through the container, is supported on the bracket C at a suitable height and the underside d of the container is inclined. The container is closed by a removable cover d<1>. The body portion may consist of sections A, A<1> mounted tierwise, each section comprising wooden or metal frame members a and glazed openings a<1>. The number of sections may be increased as the plants grow. The walls b of the roof portion B may also have glazed openings, and may be braced inside by diagonal ties. The roof portion may be propped open by a swing- able strut E, engaging in the apertured bar e, or in the hook e<1> when the roof is closed. Friction discs or other movement restraining means may be incorporated. The Provisional Specification mentions the use of springs for a counterbalance, the mounting of the containers on trunnions so that it may be emptied by tipping it, and, when water is used for the counterbalance, means to cause it to escape at a predetermined rate and so to result in the automatic closing of the roof portion.
Patent GB-619525-A (GB)
Title: Apparatus for measuring and detecting magnetic fields
IPC: G01R33/04
Filed: 1946-06-07
Abstract: 619,525. Electric indicating systems. HINE, A., and HITCHINS, H. L. June 7, 1946, No. 17297. [Class 40 (i)] [Also in Group XXXVI] In apparatus for measuring and detecting magnetic fields, a saturable inductor detector D comprises high-permeability cores a, Fig. 1, having opposed primary windings p coupled to a secondary winding S connected in circuit with a potentiometer R, a choke L, and a transformer T. The primary windings are excited by an A.C. of frequency f and a considerably lower frequency f2 is injected between the centrepoint of transformer T and the tapping of potentiometer R. An external magnetic field threading the core a produces an alternating voltage of frequency 2f1 across the secondary of T, dependent in magnitude and phase on the intensity and direction of the external field, and modulated by f2. After demodulation and amplification a signal is produced at frequency f2, magnitude and phase sensitive to the strength and direction of the external field, which frequency may be applied to a phase-sensitive detector to produce a similarly varying D.C. signal, which is fed back into coil F coupled to the detector' so as to oppose the applied field and stabilise the system, and which may operate an indicator of the external field direction, or control a gyroscope. Modifications of the detector circuit are described (Figs. 1A, 1B, not shown) and a mathematical analysis of the detector action is given. In an application to a compass, Fig. 9, two magnetic detectors D1, D2 are arranged along the axes of a craft to measure the components of the earth's horizontal field, and are excited with A.C. of frequency f 1 by generator E, the outputs being modulated at M by A.C. of frequency f2 from generator O. The signals are amplified, demodulated, and fed to a rectifier R in which they are mixed with the original modulating signal f2. Part of the rectified signal is fed back to the detectors and part operates an indicator X.
Patent GB-561595-A (GB)
Title: Improvements in or relating to scraping tools
IPC: A47L13/08
Filed: 1942-12-04
Abstract: 561,595. Scraping tools. CROXFORD, J. T. Dec. 4, 1942, No. 17299. [Class 39 (iii)] A scraping tool applicable for removing chewing gum from carpets, floors and seats, comprises a hollow handle consisting of a wooden part 2 connected to a metal sleeve 1 by a metal sleeve 3. A resistance heating wire 10 is embedded in, or wound on, an insulating tube 9 and connected to terminals 11, 12 in the handle. A copper rod 14 carrying a scraper 13 is secured by a screw 16 in the tube 9. The scraper may be flat or curved, and its edge may be straight or toothed.
Patent GB-1049804-A (GB)
Title: Improvements in or relating to the manufacture of ice cream
IPC: B01F15/00
Filed: 1964-04-27
Abstract: 1,049,804. Ice cream. J. H. MAELAND. April 27, 1964 [May 16, 1963], No. 17300/64. Heading A2B. In the preparation of ice cream mixes especially for soft ices comprising the steps of heating together and maintaining the ingredients at a predetermined temperature, homogenizing with concomitant circulation of the mass to form a paste-like mix, and cooling, the homogenization is started prior to the completion of the heating step and is continued for at least a part of the cooling down step. A suitable apparatus comprises an inner container open at the top for the ingredients of the mix, and an outer container surrounding the sides and bottom of the inner container to form a closed chamber which has valve-controlled feed and discharge means for intermittently supplying and withdrawing a heat transfer medium from the chamber, and a removable closure for the inner container mounted on the top of the outer container and carrying homogenizing means, e.g. a stirrer, projecting into the lower half of the inner container and adapted to circulate as well as homogenize the contents. Fig. 1 shows a suitable apparatus, and Fig. 3 (not shown) is a section of a suitable homogenizing means. A closed chamber 12 formed by inner container 10 and outer container 11 is provided with fluid inlet and outlet pipes 22 and 24 controlled by valves 23 and 25, and heating element 26. A lid 32 carries motor 33 which drives homogenizing means 40, carried by supports 36, via shaft 35. The homogenizer consists of blades 38 which extend outwardly and downwardly in a cavity 39 in housing 40. By the rotation of the blades, which desirably have sharp edges 38a, the contents are forced through three passageways 43 and against deflector plate 45, which may be adjusted vertically, thereby achieving circulation and homogenization. The inner container may be drained by line 17 and valve 18, the botom of the container being concave, as shown, to assist in the draining.
Patent GB-195032-A (GB)
Title: Improvements in machines for measuring surface areas
IPC: G01B5/26
Filed: 1922-06-23
Abstract: 195,032. Krupp Akt.-Ges., F. March 17, 1922, [Convention date]. Surface areas, computing.-Machines of the Sawyer-type, previously provided with means to compensate for the " error of breadth " in which each two neighbouring contact wheels have been connected with one measuring member actuating the adding mechanism, have, owing to the space between the contact wheels, been subject to error due to oblique edges of the leather, since both neighbouring wheels must be lifted before the adding mechanism is operated. The present invention provides means to compensate for this second error. Each contact wheel B is carried by an arm C - - - having a pinion E - - - and at its free end one or two set-screws N - - . Arms J - - - on the shaft M carry spur wheels F - - - into contact with the pinions E - - -. This is prevented in the position shown by the screws N - - The first measuring member F is held out of engagement with the pinion E by the set-screw N bearing on the projection i<5> of the lever J against the action of the weight K, and the second wheel F<1> is held out of engagement by the projection i<6> which is held by the screw N<1> connected with the contact wheel B' and the screw N' of the wheel B<2>, so that both wheels B', B' must be raised by the leather before the wheel F<1> can mesh with the pinion E<1>. The wheel F' is held out of engagement with the pinion E<2> by the piece i' and the screw N<3> of wheel B<3>. A second screw N<4> of wheel B<3> together with the screw N<5> of wheel B<4> hold wheel F<3> away from pinion E<3> and so on. This arrangement where alternate spur wheels are in connection with one and two contact wheels holds where the distance between the equidistantly spaced contact wheels is equal to the width of a contact wheel. If this distance is one fifth of the width of a contact wheel, the first, seventh, thirteenth &c. spur wheels would co-operate with one contact wheel and the remainder with two. Specification 178,078 is referred to.
Patent GB-503582-A (GB)
Title: Phase changer for alternating voltages
IPC: H01Q3/30
Filed: 1938-06-10
Abstract: 503,582. Variable condensers. STANDARD TELEPHONES & CABLES, Ltd. June 10, 1938, No. 17322. Convention date, July 3, 1937. [Class 37] [Also in Groups XL and XXXV] A phase - shifting compound condenser comprises four pairs of quadrantal stator plates 34, between which moves an eccentric circular rotor plate 35.
Patent GB-140292-A (GB)
Title: Improvements in or relating to tobacco ash receptacles
IPC: A24F19/00
Filed: 1919-07-11
Abstract: 140,292. Rumley, C. W., Rumley, M., Dawe, W. A., and Whitehead, W. E. July 11, 1919. Ash-trays. - A smoker's pedestal stand is constructed of a hollow column f connected to a base a by a pivot pin i and secured in its normal position by a spring bolt or catch j. A hopper head h is fitted with match-strikers, pipe and cigar rests, and a screen m with a knob n for striking pipes on. The base a is fitted with an ash-receptacle c and a heavy ring e inserted in a recess d.
Patent GB-567417-A (GB)
Title: Improvements in or relating to cleaning or pickling apparatus
IPC: B08B3/02
Filed: 1943-10-23
Abstract: 567,417. Cleaning and pickling metals. CURRAN BROS, Ltd., CURRAN, J., and WORTHINGTON, J. T. C. Oct. 23, 1943, No. 17463. [Class 82 (ii)] In apparatus for cleaning or pickling metals, e.g. metal strip, in which the strip 1 is drawn through a chamber 2 and sprayed with acid from perforated tubes 3, streams of air or other suitable gas, e.g. nitrogen, tmder pressure are directed from slots 5a in tubes 5 located near the exit 4 of the chamber. A baffle 6 is located above the upper tube 5 to catch any condensate on the wall of the chamber and lead it into the interior of the latter. A similar set of tubes 5 may be located inside the entry end of the chamber and the slots 5a located so that the air &c. is directed into the chamber 1.
Patent GB-1179483-A (GB)
Title: Examining and Identifying Banknotes or other Documents
Inventor: SODERSTROM KARL GUNNAR RUNE
IPC: G07D7/16
Filed: 1967-04-17
Abstract: 1,179,483. Checking notes such as banknotes. K.G.R. SODERSTROM. April 17, 1967 [May 2, 1966; March 31, 1967], No.17496/67. Heading G1M. A method and apparatus for checking banknotes and for passing genuine undamaged notes to an apparatus for dispensing items and changing notes to coins comprises positioning a banknote in a checking station 7, gauging the dimension of at least one characterizing portion of the banknote, the values obtained being compared with standard values and/or measurement magnitudes at other portions of the banknote, as a result of which the forged or damaged notes are distinguished from the genuine undamaged ones, the genuine undamaged notes are passed to a place of collection and possibly start a dispensing apparatus and the forged and damaged notes are returned. The notes are fed through the apparatus by drive rolling 10 which in its operative position presses on roller 35. The note 21 is fed into the gauging apparatus through slot 40 passing under plungers 31, 34<SP>1</SP> having different surface areas which sink into the note by different amounts depending on the degree of uneveness, the plunger of smaller area plunging deepest. The difference in movement of the plungers with genuine undamaged notes should lie between certain limits e. g. the difference with smooth photographic paper is too small and with some forgeries is too great due to excessive roughness. The movement of the plungers 31, 34<SP>1</SP> is transmitted via leavers 28, 29 and 45, 46 to springs 61, 62 carrying contacts 65, 75 and 76, 77. If the banknote is a forgery contact is made over one or more of the contacts and the motor 17 is started in the reverse direction to return the note. If the banknote is genuine and undamaged the motor M continues in the same direction either to the dispencing apparatus or to a further gauging apparatus such as a photo-electric gauging mechanism 11, 19 for gauging the light transmission and light reflection of the banknote.
Patent GB-255856-A (GB)
Title: Improvements in the manufacture of tubes having fins
IPC: B21C37/22
Filed: 1926-07-13
Abstract: 255,856. International Combustion Engineering Corporation, (Assignees of Reed, C. S.). July 23, 1925, [Convention date]. Tubes. - Longitudinal ribs 2 are arc-welded to tubes 4 by electrodes mounted on a carriage guided by the tube itself. The tube is placed in a longitudinal recess in the work table and has the fins 2 clamped thereagainst by a series of pairs of clamping members as described in Specification 265,626. The welding material 14 is fed through nozzles 12 which are mounted on platforms 18 of a member 20 universally jointed to a carriage 8, the members 20 being supported and guided by a roller 28 riding on the pipe 4. The carriage is traversed along rails 40 by a geared electric motor mounted on the carriage. The work is afterwards reversed to be welded on the other side. The machine may be designed to weld only one rib at a time.