baber/WOPTO huggingface dataset:
Patent GB-147968-A (GB)
Title: Improvements in apparatus for bending or shaping sheet metal articles
IPC: B21D22/02
Filed: 1919-03-20
Abstract: 147,968. Haslam, J. March 20, 1919. Road vehicles. - Sheet metal dash boards for road vehicles, particularly motor vehicles, are made in a stamping machine having pressing plates for holding the ends of the blank and two sets of dies, each upper die having a number of separately operable subsidiary dies. A partly bent blank is shown in Fig. 8, the portions adjacent to the edges y<1> being curved in two directions. This is effected by two sets of dies a, a<1>, e, e<1>. The dies a, a<1> are adjusted towards each other according to the width of the blank by screws &c. and are clamped in position by bolts c and plates c<1>. The portions a<2>, a<3> are machined or otherwise prepared to the shape desired and the parts a<4>, a<5> are of the appropriate curved shape and either integral with or detachable from the dies. The edges of the blank are held in the top of the dies by plates d, d' secured by bolts d<2>, the heads of which engage slots in the dies. The dies e, e<1> which are supported and movable vertically by pulley blocks &c. are lowered on to the dies a, a<1>, being slotted to engage guides g secured thereto. Screws m are then operated to cause the dies e, e<1> to press the blank on to the parts a<2>, a<3> and roughly shape the blank, the surfaces e<4>, e<5> of the dies corresponding approximately with the outer edges of the curved parts a<4>, a<5>. The part y<2> of the blank during this operation engages the guides g, which serve as stops, and the edges y<1> of the blank are dragged over the surfaces beneath the plates d, d<1>. Theshaping is completed by a series of sliding blocks h operated by screws h<1>. The part y<2> may then be bent by hand or by another pair of dies, and corner-pieces welded into the spaces y<4>. The dies a, a<1>, e, e<1> mav be shaped or additional dies employed to press the whole dashboard into shape and thus avoid the use of corner-pieces. The screws m may all be rotated simultaneously by gear wheels, cranks &c. According to the Provisional Specification a single set of dies only need be used, either with or without subsidiary dies, and a series of subsidiary dies may be replaced by a single subsidiary die.
Patent GB-141679-A (GB)
Title: Improved lock
IPC: E05B37/00
Filed: 1920-03-06
Abstract: 141,679. Schmidding, W., [Firm of]. April 15, 1919, [Convention date]. Addition to 138,082. Locks, permutation.-To increase the security of the lock described in the parent Specification, an additional toothed wheel 29 held by a spring pawl and having eleven teeth is provided on the spindle 1 carrying the tootled wheels 2, 3, 4 which are notched for engagement by, and operation on, a pivoted spring-pressed pawl 10 in the spindle, and the wheel 29 has a notch for engagement with, and operation on, the pawl 10 and also a notch engaging a lug 32 on the spindle but permitting lost angular motion to the extent of one tooth pitch corresponding to a click in setting. The pawl-engaging notch of the wheel 29 has the wall of the notch corresponding to the radial wall of the notch in the adjacent wheel 4 bevelled off. The setting of the wheels consists in first rotating the spindle to the right to bring the wheels into zero position wherein the spring- pressed pawl is arrested by a special-shaped tooth on the wheel 4, then turning to the left for the number of clicks corresponding to the hundreds in the setting number, whereupon after the lost motion has been taken up, the bevelled notch in the wheel 29 depresses the pawl clear of the opposite wall in the wheel 4, and so on in opposite directions corresponding to the tens and units in the setting number. When this action has been completed the pawl is wholly depressed into the spindle, and in this position disks 12, 13, 14 gearing with the wheels 2, 3, 4 respectively have the notches 15 therein alined with one another and with a lug 26 on a pivoted locking-lever 16, and the boltoperating lever 44 can then be rocked by the knob 43 on the sleeve 42 to withdraw the bolt 17.
Patent GB-485228-A (GB)
Title: Process for the preparation of etherified derivatives of pentahydroxy-fuchsone
IPC: C07C43/20
Filed: 1937-03-09
Abstract: Fuchsones are prepared by oxidizing partly or wholly etherified 3 : 4 : 31 : 41 : 311 : 411 hexahydroxy triphenylmethanes or their nuclear alkyl derivatives.  The oxidation may be effected simultaneously with the formation of the triarylmethanes.  In examples: (1) 3 : 31 : 4 : 41 : 411 - pentahydroxy - 311 - methoxy triphenylmethane and 3 : 31-dimethoxy-311 : 4 : 41 : 411-tetrahydroxytriphenylmethane are oxidized with benzoylperoxide in the presence of ethyl acetate; (2) 3 : 31 : 311-trimethoxy-4 : 41 : 411-trihydroxy triphenylmethane is oxidized in alcohol with amylnitrite; (3) guaicol and vanillin are condensed in the presence of alcohol and dry hydrochloric acid and oxidized by means of amylnitrite.  3 : 3 : 311-Trimethoxy-4 : 41 : 411 - trihydroxy - 5 : 51 - dipropyltriphenyl methane, 3 : 31 : 311 : 4-tetramethoxy-41 : 411-dihydroxytriphenylmethane and 3 : 31 - dimethoxy - 311 - ethoxy - 4 : 41 : 411 - trihydroxytriphenylmethane are specified starting materials.  The fuchsones have therapeutic, e.g. antiseptic properties.  The Specification as open to inspection under Sect. 91 refers to the condensation of catechol aldehyde or its ethers with catechol or its ethers and oxidation of the resulting triarylmethane.  It is also stated that the addition of oxidizing agents is not always necessary.  This subject-matter does not appear in the Specification as accepted.
Patent GB-216246-A (GB)
Title: Improvements in and relating to apparatus for wireless telegraphy and telephony
IPC: H04B1/08
Filed: 1923-03-10
Abstract: 216,246. Sterling Telephone & Electric Co., Ltd., and Miller, T. D. Ward-. March 10, 1923. Receiving sets, construction of; local disturbances, limiting.-Wireless apparatus comprises a cabinet or like enclocure completed by a metal deck 1 and tuning devices or like components mounted directly or indirectly upon the deck 1 having the control handles projecting through it. The Figure shows a sheet of insulating material 2 secured at right-angles to the deck 1 by brackets ? supporting components such as the variometer 4. Other components such as the rheostat 7 are secured directly to the deck. The deck preferably slides in grooves in the cabinet and may be of brass oxidized on the surface with indications engraved through the oxidized layer to expose the metal.
Patent GB-824487-A (GB)
Title: Improvements in folding supports for the lids of boxes and containers
IPC: E06B3/38
Filed: 1956-03-06
Abstract: 824,487. Boxes. ROTH, G., and SCHAFFER, S. June 4, 1957 [March 6, 1956], No.7054/56. Class 18. [Also in Group XXV] The lid 3 of a box may mount a mirror, or an infra-red radiator &c. and is pivotally connected to the bottom 8 by two rigid links 9 and two folding links 10, to permit the lid to be raised without its rear end 14 touching the base and be then rotated and lowered to stand on the latter. The links 9 are pivoted at 12 to the front end of the bottom and to the lid at points 13 nearer to the end 14, the folding links being pivoted to the lid at 15 near that end 14 and at 16 to the bottom. A stop 19 at the joint 11 of each folding link prevents reverse folding of the latter and anti-clockwise rotation of the links 9 is limited by integral stops 23. Stops 20 on the bottom 8 limit the pivoting of links 10 when the lid is closed.
Patent GB-560139-A (GB)
Title: Improvements relating to hollow articles
IPC: F16L9/16
Filed: 1942-05-26
Abstract: A light rigid tube comprises a plurality of concentric shells arranged to break joint and each formed of textile fabric heavily coated with film - forming thermoplastic material.  Strips of fabric are wound helically on a mandrel, adjacent layers being of opposite hand or if of the same hand, the line of abutment of successive turns of the helix of one layer are displaced axially with respect to that of the next layer.  The fabric may be cheese cloth or cotton bandage fabric or composed of high tenacity regenerated cellulose yarn or in addition to yarns of cotton or regenerated cellulose yarns may contain yarns of the cellulose derivative present in the dope with which they are coated.  The dope may comprise a cellulose ether or ester together with a plasticiser such as trimethyl citrate or ethyl-phthalyl-ethyl glycollate.  If a more highly water resistant product is required the dope may contain diphenol-propane-formaldehyde synthetic resin.  Specification 545,628 is referred to.
Patent GB-721372-A (GB)
Title: Improvements in or relating to electric retractive switches
IPC: G04F3/02
Filed: 1952-03-20
Abstract: 721,372. Press-button retractive switches. GENERAL ELECTRIC CO., Ltd., HARWOOD, A. E. J., and JENKINS, G. H. March 20, 1953 [March 20, 1952], No. 7231/52. Class 38 (5). A push button retractive switch of the kind in which the return movement of an operating member 12 associated with circuit controlling means-such as contacts 4, 6, 13-to a normal position is arranged to be frictionally, retarded after the push-button 2 has been released comprises an axially movable but non-rotatable operating shaft 12 carrying a contact disc 13 and a retarding element 17 arranged to be rotated by the screw like portion 15 of the operating shaft 12 during at least a part of the return movement of the shaft, the element 17 bearing against a felt friction disc 19 so as to retard the return movement of the shaft.
Patent GB-539527-A (GB)
Title: Improvements in and relating to refrigerating apparatus
IPC: F25D17/04
Filed: 1940-04-22
Abstract: 539,527. Refrigerators. BRITISH THOMSONHOUSTON CO., Ltd. April 22, 1940, No. 7241. Convention date, April 22, 1939. [Class 29] Odour absorbent material, such as activated charcoal, silica gel or fullers earth is retained in the hollow perforated door 16 of an evaporator or cooling element of a refrigerator. One wall or face 19 of the door is removably secured to the other wall by bolts 23 to permit recharging with the material. Alternatively the material may be placed in a hollow end or side wall.
Patent GB-305392-A (GB)
Title: Improvements in locking nuts
IPC: F16B39/36
Filed: 1928-03-08
Abstract: 305,392. Olsson, J. I., and Hult, G. U. A. March 8, 1928. Locking nuts.-In a lock-nut an inner nut 7 of elastic material and of double frustum cross-section is located in a single frustum crosssection recess in the end of the nut which faces the work. The inner nut is threaded with a thread of the same pitch as that of the main nut and the bolt works equally in both sections, but when the section 7 bears against the seat, this section is compressed longitudinally to cause locking of the nut on the bolt.
Patent GB-384979-A (GB)
Title: Improved process of and apparatus for recording sound
IPC: G11B7/28
Filed: 1931-03-09
Abstract: 384,979. Reproducing music. BRILLOUIN, J. G. C., 31, Boulevard de Port Royal, Paris. March 9, 1931, No. 7265. Convention date,. March 12, 1930. Void [Published under Sect. 91 of the Acts]. [Class 40 (iv).] A composite sound record is produced from a number of records of sound whose respective effects in the composite record may be varied to produce a record specially applicable for use in sound kinematography by making desired sound effects. The several individual records produce, current, variations in devices 34, 34<1>, 34<11> which are connected through adjustable resistances 35, 35<1>, 35<11> with separate coils 36, 36<1>, 36<11> constituting the primary of a transformer whose secondary coil 37 is connected with a device 38 for recording the composite record. A further secondary 39 of the transformer actuates a monitoring speaker by the aid of which the resistances may be adjusted to vary the effects of the original records in the composite record as desired.
Patent GB-115431-A (GB)
Title: Improvements in the Wheel Tyres for Railway and Tramway Vehicles and the like.
Inventor: CODA CARLO
IPC: B60B17/00
Filed: 1918-05-01
Abstract: 115,431. Coda, C. May 16, 1917, [Convention date]. Tyres, non-elastic.-The treads of railway &c. wheels are formed with the outer portion c-d of normal conicity (a-b), and the portion d-a of greater conicity. The latter portion may be curved, and in the form shown is struck from a circle to which the part c-d is tangential. This formation of the tread is stated to prevent slipping and to preserve the normal inclination of the wheels when rounding curves.
Patent GB-253599-A (GB)
Title: Improvements in apparatus for freezing ice cream and other substances
IPC: A23G9/12
Filed: 1925-03-18
Abstract: 253,599. Paterson, J. S., and Paterson & Co., Ltd., N. March 18. 1925. Ice - cream and like freezers; cooling mixtures.-The ice-cream &c. is container in an annular chamher formed between a container c, which is held stationary in the outer vacuum-insulated freezing-mixture container a, and a cupshaped closure-member g depending into the container c, the parts g, c having tight fitting conical flanges k, d at the upper part. The freezing- mixture has access to the inner wall of the vessel g as well as to the outside walls of the cream &c. chamber. The member 9 may have ribs l to divide the cream &c. into segments, and inner and outer stirrers p, o are carried on a sleeve n and shaft q supported on a post m provided on the member g. The member g need not extend to the bottom of the container c, and is preferably provided with a small bead s at the bottom so that the frozen material, which adheres to the wall of the cup g, may be lifted with the member g bodily from the container c, and be subsequently thawed off by warm water placed in the menber g. The freezing-mixture is preferably a mixture of ammonium nitrate and sodium carbonate.
Patent GB-1454157-A (GB)
Title: Electronic telephone subscriber set speech compressor
IPC: H04M1/50
Filed: 1975-02-21
Abstract: 1454157 Substation circuits PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd 21 Feb 1975 [26 Feb 1974] 7356/75 Heading H4K A telephone subscribers set includes an adjustable D.C. resistance 22, 23 and a line current detector 20, 21 which is operable to adjust the D.C. resistance to the lower of two different values for a line current smaller than a predetermined value, and to adjust the D.C. resistance to the higher of the two values for a line current larger than the predetermined value. The set also includes a transistor circuit 18, e.g. a speech signal amplifier or a tone pushbutton generator, requiring a relatively high operating voltage, and is associated with an exchange 3 which connects a high-5,6- or low-25,20-resistance into the line 16, 17 according to whether the line condition detected at 10 is looped or unlooped. When the subscriber goes off-hook and loops the line, enough current flows through the loop to actuate current source 20, but current source 21 is not actuated. Hence the path through 22 and 23 is a low resistance one, the voltage drop across 22 is small, and detector 10 is capable of detecting the loop condition, even for a relatively long line 16, 17. On detection of the loop, low value supply resistors 25, 26 are switched in and line current increases. This increase actuates current source 21, leading to the cut-off of transistor 23. Line potential is thereby supplied across 18, rendering this circuit operative. Each current source 20, 21 may comprise a transistor/resistor/diode combination, Fig. 2 (not shown).
Patent GB-410588-A (GB)
Title: Improvements in or relating to means for minimising retroaction between transmitting and receiving apparatus in alternating-current signalling systems
IPC: H04B1/58
Filed: 1933-03-10
Abstract: 410,588. Anti - side - tone circuits. GENERAL ELECTRIC CO., Ltd., Magnet House, Kingsway, London, and FAIRBAIRN, E. P., Telephone Works, Stoke, Coventry. March 10, 1933, No. 7369. [Class 40 (iv).] An anti-side-tone circuit comprises two pairs of triodes operating on the " push-push " principle, i.e. with each triode of a pair operating alternately on the two half-cycles and with the anode current in each normally suppressed, the microphone 1 being connected to the input of one pair A1, A2, and the receiver 7 to the output of the other pair B1, B2, whilst the output of the first pair and the input of the second pair are conductively connected together and associated with the two-way line 4.
Patent GB-291897-A (GB)
Title: Improvements in apparatus for the generation of acetylene gas under low or high pressure
IPC: C10H15/06
Filed: 1927-03-17
Abstract: 291,897. Haworth, J. March 17, 1927. Feed-openings for carbide regulated by floats.- A carbide-to-water generator for generating acetylene under pressure comprises a generating chamber A and one or more storage chambers C separated from each other by water or other sealing liquid X, but connected together at their upper parts by a pipe Q in which is a cock P, in order that the pressure in the storage chamber may be brought to the desirsd value. The supply of carbide is controlled by a float D, which actuates the carbide-supply valve E. The chamber K constitutes an extension to the storage chamber C. Cocks G, H serve for determining the water level and for draining the chamber K respectively. Gas is led away through a pipe Q<2> connected to safety devices comprising a chamber Y from which gas escapes through a water-sealed pipe V in the chamber F.
Patent GB-493763-A (GB)
Title: Improvements in or relating to apparatus for measuring electric currents
IPC: G01R13/00
Filed: 1937-03-13
Abstract: 493,763. Indicating and locating faults ; current meters. BILES, R. W., and NALDER BROS. & THOMPSON, Ltd. March 13, 1937, No. 7445. [Class 37] A current meter, particularly for overload currents, comprises a movable member displaced by a solenoid device and maintained in position by a one way holding member, the displacement being a measure of the current strength. As shown, the armature 9 in solenoid 16 impacts upon an indicator, sliding freely on a guide 15 but frictionally clutched thereto and held against gravity when the armature 9 falls. The indicator comprises a tapered member 20 closed by a cap 23 and containing balls 22. A spring- pressed sleeve 24 slides in the member 20 and these parts are provided with a retaining cover 26 which may have cups 27 for holding weights for calibration purposes. The cap 23 is provided with a tubular extension 30 against which the armature 9 impacts. To release the indicator the sleeve 24 is depressed and moves the balls out of frictional engagement with the guide 15, the indicator falling into engagement with stop 31. Two such indicators can be employed to locate a fault, for example, in connection with a current surge; one instrument being operated by a current component and the other by a voltage component, their ratio being proportional to the impedance to the fault.
Patent GB-1133363-A (GB)
Title: Improvements in or relating to teaching machines
IPC: G09B3/08
Filed: 1966-02-21
Abstract: 1,133,363. Teaching machine. W. E. JOHNSON, and M. S. STEELE. 18 May, 1967 [21 Feb., 1966], No. 7464/66. Heading G5G. A teaching device adapted to receive a stack of programmed sheets comprises two boxes, at least one having a window therein, open at their adjacent ends and interconnected by bridging means, a first box being longer than the combined length of the other box and the bridging means. The sheets are of a length substantially equal to the first box. The device also includes means for sliding the sheets from the other box into the first box. As illustrated the box 11 has a window 14 through which two questions and the answer to one can be viewed. Window 13 permits a design on the other wall of the box 10 to be viewed when the sheets are correctly positioned for commencement of the programme. Rollers 21 mounted on a stand 16 move the top sheet of a stack from the box 11 into the box 10, and this movement is assisted by rollers 21a coacting with a sheet via a slot in the box 10. Rollers 21, 21a are interconnected and the latter are of larger diameter. The student's answers may be recorded on a paper web advanced by rotation of a take up spindle (26) (Fig. 4, not shown). The web passes over a further roller which is drivingly connected with the rollers 21. The written answer is carried beneath a transparent window (28). Alternatively the answers may be recorded directly on the programme sheets. The window 10 may be positioned in box 10, and the drive of rollers 21 may include a clutch preventing reverse drive of the rollers.
Patent GB-653650-A (GB)
Title: Improvements in or relating to domestic sieves
IPC: F24B15/00
Filed: 1949-06-17
Abstract: 653,650. Domestic sieves. BUNCE, W. J. June 17, 1949, No. 7473/48. [Class 117] A domestic sieve has an external flange 4 in the form of a flat ring located and secured intermediate of its height between an external rib 8 on the sieve wall and tongues of which are upset from said wall. The flat ring may be passed up over the sieve from the bottom thereof and secured in place by outwardly displacing tongues 9 already cut from the sieve wall. The rib 8 may be pressed out from the sieve wall. When used in combination with a container 1 such as a dustbin on which the flange 4 is adapted to rest and a lid 2 is adapted to engage externally over the container 1 when the sieve is not in position, the sieve wall has a diameter considerably less than the diameter of the container mouth and lid rim and a depth above the sieve flange 4 such as to contact, as shown at 5, with the underside of the lid while the rim of the lid is supported on the flange 4.
Patent GB-822490-A (GB)
Title: High-titanium-carbide-content cutting alloy and process for the production thereof
Inventor: WEHNER ROBERT
IPC: C22C29/10
Filed: 1956-03-09
Abstract: A hard metal alloy for cutting tools has a composition within the following range in per cent by weight; Ti carbide 82-90, a carbide of a metal of Group VI such as W 2.5-5, a carbide of a metal of Group V such as V 2.5-5, and a binder metal 5-8.  The binder metal may be an alloy consisting of 10-90% of one or more metals of the iron group and the remainder Cr.  The carbide, preferably in mixed crystal form, and the binder metal are pressed and sintered at a temperature in the range 1300-1500 DEG C. in vacuum or an inert gas.
Patent GB-397787-A (GB)
Title: Method of treating pulp mill waste cooking liquors
IPC: D21C11/12
Filed: 1933-03-13
Abstract: <PICT:0397787/III/1> Waste liquors from cellulosic pulp, especially sulphate pulp manufacture, are spray-dried in the upper region of a recovery chamber, combustion of the dried product being substantially confined to a combustion and reducing zone below the drying zone. The liquor is discharged from a nozzle 34 as a coarse spray against the side walls 35 of the furnace.  Although two nozzles are preferred, the number may be varied and the spray projected also against the other two walls.  The size of the particles is regulated so that they all reach the wall 35 deprived of most of their water and coalesce to a spongy mass A which falls in lumps to the hearth 14.  These lumps contain substantially all the original organic matter and burn rapidly with the production of carbon and reducing carbon compounds. Air is supplied in regulated amount through inlets 37, 38.  The smelt is run off from a discharge spout 16, and the combustion gases ascend through the evaporating zone.  The furnace wall 25 is extended to form a baffle 28 on which an inclined baffle 29 is provided.  Boiler tubes 22 pass through the latter and are connected to headers 19, 20 communicating by pipes 24 with a boiler drum 23.  Combustion products pass around the tubes 22, over baffle 29 and out by pipe 33.  The temperature in the upper part of the furnace is relatively low, and to prevent overheating of the lining external cooling by a circulating fluid is used.  Dilute-liquors may be dried and burnt by the process but it is preferred to concentrate first, for example, until the ratio of solids to water is 1 : 1.