baber/WOPTO huggingface dataset:
Patent GB-150379-A (GB)
Title: Improvements in microphones or electric transmitters for submarine signalling and the reception of subaqueous vibrations
IPC: G01S1/72
Filed: 1919-05-02
Abstract: 150,379. Gardner, J. May 2, 1919. Subaqueous sound signals.-In apparatus for the reception of subaqueous sound impulses two electrodes of a microphone are carried by separate vibrating and tunable members having different natural periods, and disposed parallel to the wall of the sound-receiving vessel on which they are mounted, and from which each of the members derives its impulses only by way of its node or nodes. The vibrator a, Fig. 2, is of greater mass and preferably higher frequency than the vibrator b which is mounted thereon. The vibrators are fixed upon the massive base of the protective casing c, which is rigidly secured to the plating l of the sound-receiving vessel. The vibrator a is clamped at one end between washers h to the casing, and is formed with a slot g for varying its vibrating length and pitch. The other end is fitted with another nodal point in the form of a screw stud k, by the adjustment of which the reed may be slightly strained. One electrode d of an "inertia" microphone is attached to the vibrator a, the other electrode e being flexibly supported by the vibrator b, which consists of a disk of mica or other appropriate material clamped on the rim of the microphone casing f. In a modification, Fig. 3, the vibrators a, b are both in the form of reeds and are attached at both ends to the plating l. The electrodes d and e are respectively attached to the vibrators a, b, which have different natural periods. Weights may be used to vary or fix the frequency of the vibrators. The microphones may be employed singly or used in plurality in combination with the device described in Specification 16472/07.
Patent GB-883139-A (GB)
Title: Improvements in the manufacture of non-woven textile fabrics
Inventor: ASPDEN NORMAN WILLIAM
IPC: D04H1/732
Filed: 1959-03-31
Abstract: 883,139. Forming fibrous webs. TWEEDALES & SMALLEY Ltd. March 22, 1960 [March 31, 1959], No. 10933/59. Class 120(1) In apparatus for forming a web in which component fibres are disposed at random in all directions in the plane thereof, as used in the production of non-woven fabrics, a passage through which fibres are conveyed by an air stream from a taker-in cylinder to a condenser, e.g. a rotary, perforated suction-cage, is of uniform cross-sectional shape and conforms to the periphery of the cylinder. As shown, a web fed along a plate B is presented by a roller C over the nose of a member D to a rotary, toothed cylinder A and fibres disintegrated thereby are entrained at E by an air stream generated by a fan F and impelled along a duct H. The fibres are carried through a passage J, part of which is constituted by the curved floor of a machine casing JA, to the intake K of a cage condenser L, which is exhausted through outlet N, and the collected fibre material is removed by an endless conveyer M. The surface DA of member D may be parallel to the surface of revolution of cylinder A.
Patent GB-452199-A (GB)
Title: Apparatus for simultaneously separating and cooling fine pulverulent materials
IPC: B01D46/02
Filed: 1936-04-16
Abstract: 452,199. Cooling pulverulent material. LEHMANN, F. B., (trading as LEHMANN, J. M., [Firm of]), 108, Freiberger Strasse, Dresden, Germany. April 16, 1936, No. 10936. Convention date, June 11, 1935. [Class 29] [See also Group XXVIII] In apparatus for depositing, separating from air, and cooling fine pulverulent material, the warm material enters with air through an inlet 1 into a chamber 2 in which it deposits on its way to the filter tubes 3, mainly beneath the set of filters, on the floor 4. The deposited material is scraped continuously over the floor 4 to a collector 7 by a conveyor 6 provided with scraper bars 5. The air entering the compartment 8 from the filter tubes is sucked by a fan or blower 9 through a cooling chamber 11 provided with a system of cooling tubes 10, and after being laden with a fresh supply of material is again led back to the inlet 1. The air cooled by the tubes 10 thus serves to cool the depositing floor 4.
Patent GB-132746-A (GB)
Title: Improved Portable Apparatus for Washing and Cleaning Windows, Carriages, and like purposes.
Inventor: MOSER WALTER EDWARD
IPC: A47L1/08
Filed: 1919-05-02
Abstract: 132,746. Moser, W. E. May 2, 1919. Reservoir squeegees.-For washing windows &c. a hand pump or syringe a for ejecting water is combined with a squeegee g. The nozzle c of the pump is secured to a transverse metal clip f in which strips of caoutchouc or other cleaning- material are held.
Patent GB-374201-A (GB)
Title: Improvements in or relating to hand grips, applicable particularly to golf clubs
IPC: A63B49/08
Filed: 1931-04-14
Abstract: 374,201. Hand-rails. DUNLOP RUBBER CO., Ltd., 32, Osnaburgh Street, London, and MATTHEWS, E. W. R., of Dunlop Rubber Co., Fort Dunlop, Erding- ton, Birmingham. April 14, 1931 No. 10992. [Class 45.] A hand grip for banisters or other appliances or members adapted to be grasped by the hand comprises a loose or open helix set into that formation by a moulding operation. As shown in Fig. 1, applied to the handle 4 of a golf club, the convolutions 1 terminate in unbroken end portions 2, 3 which may be of different material from the body of the grip and may be added after the grip is placed on the handle. In placing the grip in position, the end 3 may first be fitted to the handle, the body of the grip wound in convolutions and finally the end 2 applied, the convolutions being tightened up to eliminate the groove 5 and the ends being secured by binding or adhesive. The groove 5 may be left open or may be filled in with material of contrasting colour. The ends 2, 3 may be slit to facilitate fitment to the handle. The inner and outer surfaces of the grip may vary or differ in form, and the edges of the helix may be shaped, for example by bevelling, so as to interlock. The grip may be moulded of rubber in a mould comprising a central core 6, Fig. 2, outer members 7, 8 and a helical member 9. In a modified method, a strip 14, Fig. 3, of raw rubber compound is wound spirally round a helical mandrel 12 and is temporarily enclosed in a textile wrapping 13 during the subsequent vulcanization; or alternatively the strip is wrapped helically upon a plain mandrel and the adjacent edges of the spiral are treated with soapstone to prevent them uniting during subsequent treatment.
Patent GB-828211-A (GB)
Title: Method of making dense silicon carbide articles
IPC: C01B31/36
Filed: 1956-04-11
Abstract: A dense body of silicon carbide having a density of about 3 is produced by impregnation of a porous body of silicon carbide with carbon and then heating in the presence of silicon.  The silicon carbide body is preferably fired before the impregnation with carbon. A porous silicon carbide body having a porosity of 25-30% may be produced by mixing silicon carbide of 100-1000 mesh with a phenolic resin and pine oil as temporary binder, cold pressing the mix at 5000-10,000 p.s.i., oven drying the moulded article, and firing at a temperature of 2300 DEG  C. in a high-frequency furnace, recrystallization thereby taking place. Firing may also take place at lower temperatures without recrystallization.  Alternatively the porous body may be produced by first forming a porous moulded body of silicon carbide and silicon and firing said body in a carbonaceous atmosphere at a temperature of 1350 DEG  C.  Impregnation with carbon may be effected in one or more treatments by introducing furfural and/or furfuryl alcohol into the porous body and then exposing to gaseous hydrogen chloride, (or) by introducing a liquid phenol-formaldehyde resin into the porous body and then thermally decomposing the resin, or by heating the porous body in methane or acetylene.  The conversion of the introduced carbon to silicon carbide is effected by heating the impregnated body at a temperature of 2000 DEG  C. or more in the presence of silicon or silicon nitride.  A temperature of 2100-2300 DEG  C. is preferably employed for sufficient time to effect recrystallization and vaporization of residual silicon. Residual silicon may alternatively be removed by leaching with a solution of nitric and hydrofluoric acid.  The complete treatment may be repeated.
Patent GB-294676-A (GB)
Title: Improvements in the continuous manufacture of cellulosic materials
IPC: D01F11/02
Filed: 1927-04-25
Abstract: 294,676. Muller, E. April 25, 1927. Drawings to Specification. Drying materials in long lengths. - To avoid loss of glycerine or other softening-agent during the dehydration of cellulose hydrate films, filaments, &c., the glycerine &c. is incorporated in the film &c. during and towards the end of the drying operation. Thus, the partly-dried film may be treated with a solution of the softening- agent, and the wetted film then dried out completely; or the softening-agent may be applied in the form of a powder or as a vapour. The solu. tion may be applied by means of rolls in contact with one or both faces of the film, or the latter may be passed through a bath of the solution. Specification 116,366, [Class 2 (ii), Cellulose &c.], is referred to.
Patent GB-635466-A (GB)
Title: Improvements relating to chair and other seat springs
IPC: A47C23/02
Filed: 1948-04-22
Abstract: 635,466. Spring seats. STONE & SON, Ltd., H., and WHITEHILL, R. H. April 22, 1948, No. 11131. [Class 52 (iv)] A seat spring assembly comprises metal or other strips which are connected together and adapted for connection to both the rear and front of the seat and to the top of the back. As shown, a main strip a extends from the front of the seat at d to the top e of the back and an auxiliary strip h is connected to it at k and is connected, by the aid of a further strip to which it is secured at m, to the rear of the seat at i. In modifications the main strip may extend from the front to the rear of the seat and the auxiliary strip may be connected to it at about the point k and to the top of the back. Reinforcing springs f, g, j may be provided where the strips are connected to the frame. The main and auxiliary strips may each consist of two or more interconnected strips. The seat assembly comprises a series of such arrangements disposed in parallel relationship.
Patent GB-489924-A (GB)
Title: Improvements in or relating to machines for bending metal bar sections
IPC: B21D7/08
Filed: 1938-04-12
Abstract: 489,924. Curving. ODDIE, W. M. April 12, 1938, No. 11139. [Class 83 (iv)] In a machine for bending angles, flats, channels, joists, panels, &c. into curved, circular, or scroll forms, an electromotor drives through worm gearing a roll 3 on shaft 2. Two bending rolls 10 are mounted on shafts 9 in a box-shaped frame 7 adjustable by screw means not shown. An additional roll 13 is carried by a slide 14 adjusted by a screw 15.
Patent GB-557799-A (GB)
Title: Improvements in outer covers for pneumatic tyres
IPC: B60C5/00
Filed: 1942-08-10
Abstract: 557,799. Wheel tyres. LEVY, B. Aug. 10, 1942, No. 11164. [Classes 144 (i) and 144 (ii)] Outer covers for pneumatic tyres are constructed by stretching a foundation of canvas 2, Fig. 1, over a circular core 1 (preferably collapsable), the stretching being both circumferential and transverse, leaving side flaps 5, applying an outer facing 3 of leather or other reinforcing material applying bead wires 4, turning the flaps back over the bead wires and securing them in superimposed position. An additional leather sheath extending as far as the bead wires may be glued on the cover thus formed. In a further embodiment, Fig. 3, the flaps 11, 12 are not completely returned but are left to project outwards and embrace a number of strips 13 of leather which may be secured by wire stitching 15. Outer leather walls 14 may be added.
Patent GB-239141-A (GB)
Title: Improvements in tractor steering and braking mechanism
IPC: B62D11/08
Filed: 1924-07-03
Abstract: 239,141. Jett, G. C. July 3, 1924. Differential braking for steering.-Relates to steering and braking mechanism for endless-track vehicles of the kind in which driving or sprocket wheels 24 on each side of the vehicle are independently braked for steering by the rocking of a centrally-pivoted lever 86, or are braked together for stopping the vehicle, and comprises a connection, adjustable in length, between the lever 86 and one of the brakes whereby the vehicle braking is effected. The invention may be applied to a vehicle converted from the wheeled to the endless-track type, in which case the steering hand-wheel and the rocker shaft actuated thereby (not shown) are retained, this rocker shaft being connected by a link 92 to the lever 86. One end of the lever 86 is connected directly to one of the brakes 93, and the other end is connected to the other brake 94 by a link 107 and a two-part arm 108, 109, these parts being connected by a quadrant and pawl. Ordinarily, when the steering-wheel is rotated for steering, one brake is applied and the other is, left free, while to apply both brakes, the steering-wheel is rotated and the arm 108 is moved to the position shown in dotted lines in Fig. 3, thus lengthening the connection between the lever 86 and the brake 94.
Patent GB-288987-A (GB)
Title: Improvements in and relating to alternating current commutator motors
IPC: H02K27/18
Filed: 1928-04-16
Abstract: 288,987. British Thomson-Houston Co., Ltd., (Assignees of Compagnie Francaise pour l'Exploitation des ProcÚdÚs Thomson-Houston). April 16, 1927, [Convention date]. Alternating-current commutator and induction machines. - An alternating-current commutator motor having shunt characteristics and regulatable speed is rendered capable of wording with constant horse-power output by arranging that the effective number of turns in each phase of the stator secondary winding can be regulated. The invention is specially applicable to machines with speed adjustment by brush displacement as described in Specification 25358/11. Fig. 1 shows the application to a machine of this type in which the rotor carries the primary winding P and the commutator winding and in which the secondary winding on the stator is connected in separate phases to brush pairs a1, b1, a2, b2, a3, b3. According to the invention in this form, the secondary windings s1, s2, s3 are made in sections, such as S1, R, which are changed from series to parallel to give the required speed change to ensure constant output. In place of re-grouping the sections from series to parallel, other groupings may be employed or the effective number of turns may be altered by means of a transformer of variable transformation ratio or by means of an induction regulator. The invention is also applicable to groups comprising an induction motor and a. commutator frequency changer, the latter having two polyphase sets of brushes, each set carried by a ring concentric with the armature and capable of being displaced about the common axis.
Patent GB-1473480-A (GB)
Title: Tripeptides and their production
IPC: C07K1/113
Filed: 1975-03-18
Abstract: 1473480 L - 2 - Ketoimidazolidine - 5 - carboxylic acid MERCK & CO Inc 18 March 1975 [3 April 1974 27 Jan 1975] 11262/75 Heading C2C [Also in Division C3] In Example 1(A), L-2-ketoimidazolidine-5- carboxylic acid is prepared by the reaction of N<SP>α</SP>-benzyloxycarbonyl asparagine with bromine/sodium hydroxide.
Patent GB-473663-A (GB)
Title: Improvements in oil seals for shafts and methods of making the same
IPC: F16C33/74
Filed: 1936-04-20
Abstract: 473,663. Making packing. LEONARD, jun., S. C. April 20, 1936, No. 11268. Convention date, Aug. 3, 1935. [Classes 83 (ii) and 83 (iv)] [Also in Group XXVI] Rolling; curling.-A cup - shaped metal housing 20 for a shaft packing 24 has its outer edge 22 reduced in thickness by rolling, e.g. between rollers 30, 32, Fig. 3. The packing and an end plate 26 are then mounted in the housing which is clamped between rollers 36, 38 and moved axially into contact with a shoulder 52 on a further roller 46, whereby the reduced edge 22 is bent over to retain the packing in position. Specification 473,656, [Group XXVI], is referred to.
Patent GB-782811-A (GB)
Title: Improvements in derivatives of purine
IPC: C07D473/38
Filed: 1953-04-24
Abstract: 6-Mercaptopurine is prepared by heating an alkali metal salt of 4-amino-5-formamido-6-mercaptopyrimidine and acidifying the alkali metal salt of 6-mercaptopurine so formed.  Preferably the sodium salt is heated at 240 DEG  C. for one hour.  An example is given. Starting material.  4-Amino-5-formamido-6-mercaptopyrimidine is prepared by heating 4,5-diamino - 6 - mercaptopyrimidine with formic acid.  The preparation of 4,5-diamino-6-mercaptopyrimidine is described in Specification 782,812.  Specification 713,286 also is referred to.
Patent GB-1335646-A (GB)
Title: Method and apparatus for aerating bodies of liquids
IPC: B01F3/04
Filed: 1972-03-10
Abstract: 1335646 Perforated hose A G BASTIAANSE 10 March 1972 [10 March 1971] 11368/72 Heading F2P [Also in Division B1] In apparatus for perforating a resilient hose at an angle X not less than 25 degrees to the normal to the surface, the hose is stretched over a back-up roll 34 by a tension roll 36 and perforated by a needle 40 actuated by a solenoid 38; the roll 34 is of soft material to accommodate the needle. The hose is used for aerating a liquid in which it is submerged, see Division B1.
Patent GB-890964-A (GB)
Title: Improvements relating to baggage
IPC: A45C5/00
Filed: 1959-05-03
Abstract: 890,964. Furniture combinations. DRAKE, R. F. H. Aug. 3, 1960 [May 3, 1959], No. 11383/59. Class 52(3) [Also in Group XVII] A container comprises a top 1 and a bottom 2 which can be moved apart to form a pair of spaced uprights supporting the ends of at least one horizontal rail 23 from which clothes are suspended, the article then constituting a wardrobe, the rail and clothes hangers 25 being stowable within the container. The lid and body are provided with pivoted links 9, 10, which are stowable within the closed container. A rail 19, comprising an inverted channel is attached to a support 21 within the lid 1 to which a rail 23 is pivotally connected at one end. The body 2 of the case is provided with similar parts. Where the rails 20, 24 are of smaller cross-section than members 19, 23 for engagement with the latter to form a continuous rail, from which the hangers 25 are suspended.
Patent GB-1521017-A (GB)
Title: Non-slip therapeutic stocking
IPC: B29C65/02
Filed: 1977-03-17
Abstract: 1521017 Therapeutic stocking KENDALL CO 17 March 1977 [13 April 1976] 11413/77 Headings A3B and A3V A therapeutic stocking has a foot portion 20 including a strip 34 of non-slip material attached to a circumferentially prestretched region of the foot to contact the floor in use and minimize slippage. The stocking may be of nylon with laid in stretch yarns.
Patent GB-558694-A (GB)
Title: Improvements in or relating to the manufacture of carbonised fuel briquettes
IPC: C10L5/14
Filed: 1942-08-18
Abstract: 558,694. Fuel briquettes. SQUIRE, L. R. L. Aug. 18, 1942, No. 11565. [Class 55 (ii)] Peat prepared according to Specification 417,923 is used as a binding material in the production of briquettes containing coal fines which may be a mixture of coking and non-coking coal, the briquettes being carbonized to convert the peat into charcoal which forms a matrix for the carbonized fines. The briquettes are dried before carbonization which takes place at high or low temperature. The peat binder is prepared by converting peat to a dispersed condition by the addition of an alkali such as sodium carbonate, caustic soda, or caustic potash in the manner described in Specification 417,923. The dry weight of the binder varies from 1¢ to 6 per cent according to the coking index of the coal, which should generally not exceed 9. The powdered coal is mixed with the wet binding material. The fuel may be produced in pellet form for gas producers.
Patent GB-333592-A (GB)
Title: Improvements in or relating to electric motors of artificial silk spinning and like machines
IPC: H02K7/16
Filed: 1929-04-15
Abstract: 333,592. General Electric Co., Ltd., Cranston, W. M., and Line, R. H. April 15, 1929. Mounting rotors; casings; cores and carcass structures. - In an artificial silk spinning or like machine of the kind in which a pot is removably mounted at the upper end of a rigid motor spindle which takes the whole downward thrust of the pot, the upper bearing of the spindle is supported in a floating manner in the top of the motor casing by means of one or more annular spiral springs encircling the outer race of the top bearing and in close contact with the wall of the socket. Means are also provided for preventing fouling between the rotor and stator of the motor. In the form shown, the lower bearing 9 is fixed and the upper one 11 is resiliently mounted in a socket 12 on the top plate 4 of the motor casing by means of two annular spiral springs 13, shown separately in Fig. 2. These springs fit tightly in the socket 12 and give a push fit around the outer rings of the bearing 11. A cover 14 protects the bearing and its mounting. The rotor may be barrelled, as shown, to prevent fouling, or, alternatively, a cylindrical rotor may be employed in a coned stator bore, the smallest diameter of which adjoins the lower bearing of the motor. Specification 227,796 is referred to.
Patent GB-179798-A (GB)
Title: Improvements in and relating to locks and latches for sliding doors and the like
IPC: E05B65/08
Filed: 1921-04-22
Abstract: 179,798. Beresford & Sons, Ltd., J., and Beresford, H. J. April 22, 1921. Catches, spring.- In fastenings for sliding doors of the kind in which a pair of expanding pivoted catches on one part engage projections on the other and are secured by a plunger on the second part entering between the catches, a sliding rod is provided between the catches to enable the fastening to be released by handles fitted to each part. The spring-controlled catches n, pivoted to the casing d on one door, engage projections h on the casing e fitted on the second door and are engaged or disengaged by the rounded ends n<2> slipping under the parts h. A plunger j, urged by the spring j<2>, enters between the catches to secure them. On turning the handle f, the follower q<2> rocks the lever q to advance a slidable rod p and thrust back the plunger j, so that the catches n can collapse and allow the doors to be opened. If the handle f<1> is operated, the follower g<2> rocks the lever k and pulls back the plunger directly, allowing the doors to be opened. The plunger j may be locked against withdrawal from the catches n by the follower m of a spindle operated by a square key. In order that this spindle may not be turned to block the plunger until the catches are properly engaged, a sliding piece r' having a lug r is mounted to slide behind the plunger, its motion being limited by the slot t' and cross-pin t<2>. A pin t is secured to the crosspin t<2> and protrudes normally through a hole in the front of the plunger. When the catches are correctly engaged, the conical end p<5> of the rod p enters the hole in the front of the plunger j, pressing back the pin t and removing the lug r from the hole m<2> into which fits the square key. The plates h for engaging the catches may be made of hardened steel and are detachably fixed to the casing e by screws h<2>.
Patent GB-667915-A (GB)
Title: Toy motor vehicles
IPC: A63H29/06
Filed: 1950-05-10
Abstract: 667,915. Mechanical wheeled toys. ERNST, M. May 10, 1950, No. 11627/50. Class 132 (iii). A toy clockwork motor vehicle has a control rod which is used to start or stop the clockwork mechanism and to actuate the steering gear. In the Figure, a control rod 14 which may represent a radio antenna is rotatable and axially movable. Rotating the rod and elongated pinion 16 fixed thereto causes the latter to turn the segmental rack plate 10 pivoted at 11, thus operating a pair of steering brackets by means of a spacer plate 9. Upon depressing the rod 14, a buffer plate 18 engages a trigger 17 causing lever 2 to pivot forward thus actuating a mechanism stopping rod 7. Upward movement of the rod 14 causes rod 7 to slide forward, which clears part 6' of the clockwork motor and allows the vehicle to run.