baber/WOPTO huggingface dataset:
Patent GB-444782-A (GB)
Title: Improvements in cooling apparatus for use with surgical cold packs
IPC: A61F7/10
Filed: 1935-06-13
Abstract: 444,782. Cooling liquids for surgical packs. SOC. NOUVEAUTES INDUSTRIELLES & MEDICALES SOC. ANON., 4, Rue du Lion d'Or, Lausanne, Switzerland. June 13, 1935, No. 17123. Convention date, June 13, 1934. [Class 29] [See also Group XXVIII] Liquid to be circulated through a surgical cold pack is cooled by passage through a sinuous coil 15 in contact with ice or other cold source in a receptacle 4 in a compartment of a heat-insulated wheeled trolley 1. The liquid is circulated between a reservoir 5 and the cold pack through pipes 16, 17 by a pump 8 driven by an electric motor 7 supported by rubber or leather straps 19 or by springs, the motor being cooled by a fan 9. The reservoir has an inspection opening 20 above the outlet 18 of the pipe 17 so that the flow of liquid may be observed. The pump may be carried directly by the frame of the motor, the speed of which may be regulated by resistances cooled by the fan. The flow of liquid through the cold pack may be controlled by a cock 24, Fig. 3, having a nipple 25 adapted to be detachably coupled to a socket member 26 of a pipe 27. The socket member is fitted with alternate rubber and brass washers 31, 32 providing a friction grip. The cooling apparatus may supply in parallel a number of connections for cold packs adjacent a number of beds.
Patent GB-146278-A (GB)
Title: Improvements in and relating to control mechanisms for apparatus such as variable speed gearing and bomb droppers
IPC: B64D1/04
Filed: 1920-06-24
Abstract: 146,278. Zahnradfabrik Ges., and Soden-Fraunhofen, Graf A. von. May 13, 1919, [Convention date]. Dropping bombs from a height.-Relates to controlling-mechanism for apparatus such as bomb-droppers, of the kind in which a control handle or part is moved to position for a change of speed &c. and the part to be operated follows under spring action. In the form shown in Fig. 1, the operating-handle e<1> has a pointer e<2> moving over a scale C and is secured to a cap E rotating on a cup A geared to the gear &c. operating-rod B. Two diametrically opposed stops e<3>, e<4> on the cap E and two corresponding but slightly displaced diametrically-opposed stops a<3>, a<4> on the cup A are normally all engaged by the ends of a spiral spring D under tension. The rod B being locked, the handle e' is moved to the required point on the scale and locked by a pin passed through a hole e<5> into one of the holes F in the scale; the stop e<3> or e<4> rotates one end of the spring D, the other end being retained by the stop a<4> or a<3> until the rod B is released, when the increased tension in the springs brings the pointer a<2> on the cup A into alinement with the pointer e<2>. In the modification shown in Figs. 3 and 5, two oppositely-acting springs 0, P are used, each secured at the inner end to the operating-cap M and at their outer ends curved and enlarged so that they normally bear on opposite sides of pins m<5>, n<3> secured respectively to the cap M and to a plate n<1> secured to the gear &c. operating-spindle N. The cap M is lightly connected by a spring ball snap connexion l<3> to a stationary plate l<1>. When the cap M is rotated in either direction, the two ends of one spring move therewith without increase of tension, whereas the outer end of the other spring is retained by a pin n<3> until the spindle N is released, when the stressed spring brings the parts again into register. Fig. 2 shows the use of two springs for conveying longitudinal motion. The operating- casing G contains springs J, K bearing normally through washers k<1>, i<1> on a flange h<1> on the gear actuating-rod H, which flange passes freely into an aperture in a web g<1> in the casing. Motion in either direction of the casing G stresses one spring without action on the other, the stressed spring effecting the motion of the rod H.
Patent GB-543414-A (GB)
Title: Improvements in sound recording amplifier circuits
IPC: H03G7/02
Filed: 1940-12-02
Abstract: 543,414. Automatic volume control. MARCONI'S WIRELESS TELEGRAPH CO., Ltd. Dec. 2, 1940, No. 17161. Convention date, Dec. 1, 1939. [Class 40 (v)] An automatic gain control amplifier for a sound recording system comprises an arrangement for varying the gain of the amplifier over different amplitude ranges of the signals impressed on it by means of a plurality of rectifier units fed in parallel from the output of the amplifier and having their outputs connected in series in a gain control circuit of the amplifier. In Fig. 1 a microphone 5 and amplifier 6 feed a pair of pushpull amplifiers 10, 11 the output of which passes by way of leads 16, 18 respectively to a galvanometer and to a sound recording unit not shown. A branch of the output is taken through leads 23 and fed in parallel to rectifiers 26, 31, 36, having biases 27, 32, 37 and load resistors 28, 33, 38. The gain control bias applied by lead 42 to the grids of amplifiers 10, 11 is supplied by the load resistors 28, 33, 38 in series, the resistor 28 being opposed to resistors 33, 38. Fig. 2 shows the relation between input and output when the delay voltages 32, 37 are equal and larger than 27. This gives linear amplification up to point x when rectifier 26 begins to give positive bias and causes volume expansion up to y. At this point rectifiers 31, 36 produce negative bias which overcomes the bias of 26 and gives volume compression in the higher part of the amplitude range. Other effects of varying gain in different parts of the range may be produced by varying the delay voltages and the values of the load resistors. U.S.A. Specifications 2,102,776, 2,102,777 and 2,102,778 are referred to.
Patent GB-319253-A (GB)
Title: Improvements in devices for measuring and indicating fluid pressures
IPC: G01L7/16
Filed: 1928-06-14
Abstract: 319,253. Okill, J., and Tate, J. R. June 14, 1928. Piston-and-spring pressure gauges.-Relate to gauges of the type in which the piston is held just clear of a fixed stop by the pressure of the spring, the tension of which is indicated, and consists in a construction adapted to measure pressure both above and below atmospheric. The piston B works in a cylinder bored in a plug A and is provided with a collar C adapted to engage an upper fixed stop d<1> or a lower stop a<8> formed by a spigot washer. This washer serves as a closure for a cavity p<3> surrounding the cylinder and forming a jacket through which water is passed from a. nozzle a<6> to a nozzle a<7>. A cylindrical casing D is screwed on to the plug A and is screwed to receive a sleeve E having an external portion e<2>. The sleeve serves for regulating the tension of an enclosed spring F which is fastened at the ends to the closed end of the sleeve E and the piston B respectively. A branch cylinder G on the casing D holds lubricant which is supplied to the piston B through passages a', d<3> by moving the plunger g<1>. A pointer H is mounted on a pivot h<2> and is pressed by a spring h<3> so that the short arm h<2> engages the collar C. The long arm carries a double contact h<5> adapted to engage an adjustable contact strip p<1> or p<2> both connected to a terminal p<4>. The pointer is in metallic contact with the bracket K to which a terminal k<2> is fitted. The terminals k<2>, p<4> are connected through a switch q<3> and lamp q<4> to a battery. The contact strips p<1>, p<2> are adjusted by cams p<5> so that immediately the collar Cleaves the stop d<1> or the stop a<8> the electric circuit is broken. For pressure, especially fluctuating pressure, above atmospheric, the piston will be lifted from the stop a<8> and as the pressure fluctuates the pointer H will vibrate until the spring compression is sufficiently increased. The collar C is then just held in contact with the lower stop and the lamp flickers. In measuring pressures below atmospheric, the spring is extended until the upward pull is just sufficient to hold the collar against the top d<1>. The pressure or extension of the spring is indicated on a scale R, Fig. 3, two circles e<3>, e<4> each divided into ten equal graduations are engraved on the part e<2> cooperating with this scale and each being first brought into line with the suitable zero on the scale D. A ball valve may be fitted to the lower end of the device in the case of pressures being measured during the suction stroke of an internal combustion engine.
Patent GB-581279-A (GB)
Title: New derivatives from polymers and interpolymers of ethylene
IPC: C08F8/06
Filed: 1942-12-04
Abstract: Oxidation products of high molecular weight solid and semi-solid polymers and interpolymers obtained at high temperatures and pressures from ethylene alone or mixed with other organic compounds containing one or more double bonds and capable of forming dimers or higher polymers, e.g. those made as described in Specifications 471,590, 497,643, 578,584 and 8070/40 (as open to inspection under Sect. 91) are made by contacting the polymers or interpolymers with air or other oxidizing agents at an elevated temperature not exceeding 250 DEG  C.  Oxidation may be effected (1) by heating the molten polymer in air on mixing rolls at temperatures between 140 DEG and 250 DEG  C.; (2) by heating the polymer with aqueous nitric acid at 70 DEG  to 130 DEG  C.; (3) by bubbling a mixture of oxygen and ozone through a solution of the polymer in carbon tetrachloride at 70 DEG  to 78 DEG  C. or in a mixture of carbon tetrachloride and hexachlorethane at temperatures up to 100 DEG  C.; (4) by exposing thin films of the polymer to air or other oxidizing agents at 60 DEG to 250 DEG  C.or in powder form at 60 DEG  to 110 DEG  C.  Oxidation may be accelerated by ultraviolet light or catalyst, e.g. tetrahydronaphthalene, ammonium vandate, turpentine, benzaldehyde and fatty acid or naphthenic acid salts of cobalt, lead and manganese. Alternative oxidizing agents specified are hydrogen, benzoyl, and diethyl peroxides, ammonium persulphates, sodium hypochlorite, potassium chlorate, chromic acid, potassium permanganate.  Mixtures of nitric and chromic acids and peroxides formed in situ, e.g. tetrahydronaphthalene peroxide formed in the presence of air in a solution of the polymer.  The products may be hard waxes which may be used in polishes, coating compositions, for moulding and electrical insulations, or soft waxes or greases which may be used for making cyclic ketones and lactones for perfumes and long chain esters or amides and in the preparation of water-repellents and rust inhibitors.  The process may be carried out batch-wise or continuously.
Patent GB-366850-A (GB)
Title: Duplicating block
IPC: B41L1/24
Filed: 1931-06-15
Abstract: 366,850. Duplicating-pads. THYSSEN, G., 159, Ballenweg, Forsthaus, Krefeld, Germany. June 15, 1931, No. 17354. [Class 16.] In a duplicating-pad composed of sheets of paper a and interleaved carbon sheets b bound together and perforated at one edge c, and wherein the carbon sheets project beyond the edge of the paper sheets opposite the bound edge, spaced apertures f are provided in the carbon sheets b at the line of perforations g. The carbon sheets are cut away at one corner e and their projecting edges d are non- carbonized. The apertures f further weaken the carbon sheets so that when the pad is gripped at the corner e and the non-carbonized edges d of the carbon sheets are pulled, the latter sheets are removed without injury to the paper sheets. The sheets of the pad may be bound by staples or glue.
Patent GB-1310327-A (GB)
Title: Turning bar for the deflection of paper webs
IPC: B29C48/94
Filed: 1971-05-26
Abstract: 1310327 Guiding webs ROLAND OFFSETMASCHINENFABRIK FABER & SCHLEICHER AG 26 May 1971 [29 May 1970] 17356/71 Heading B8R A turning bar comprises a fixed body portion 8 provided with end caps 5, (6), Fig. 1 (not shown), and a detachable air-permeable porous portion 3 connected to the portion 8 by screws 4. In use, air supplied to the interior of the bar passes through the detachable portion 3 to cushion a web passing thereover. Detachable covers, e.g. of synthetic plastics material, may be provided to seal off parts of the porous surface and thus shorten the effective length of the bar (Figs. 1 and 3, not shown). In a modification the fixed portion comprises a hollow body (18) provided with a plurality of openings (25) through which air can escape, and the detachable portion comprises a flexible porous sheet 27 which is releasably clamped to the fixed body (Figs. 4 and 5, not shown).
Patent GB-203102-A (GB)
Title: Improvements in life guards for the front of motor vehicles
IPC: B60R21/34
Filed: 1922-06-23
Abstract: 203,102. Pickering, C. June 23, 1922. Wheel-guards and obstruction - removers. -An obstruction - remover of the kind comprising a substantially horizontal portion extending forwardly from the front of the vehicle close to the ground, a vertical back portion extending up from the horizontal portion, and portions on either side of this horizontal portion disposed as guards in front of the vehicle wheels has the wings or side-guards extending over the front and partly round the sides of the wheels of the vehicle and sloping upwardly towards the chassis. Fig. 2 a plan is and Fig. 4 a side extension. The tray 2 is hinged at 3 and resiliently supported by a torsional spring 5 and has rollers 8 mounted on its forward edge. Vertical sides 16 and back 1 surround the tray 2, the sides 16 being carried round the front and sides of the wheels at 9<a> and 9<b> respectively and slope upwardly toward the chassis. A pair of flexible arms 14, Fig. 4, support the framework. Holes 13, Fig. 2, in the front portion 9<a> are provided for connecting a towing rope to the chassis.
Patent GB-692839-A (GB)
Title: Improvements in or relating to arc welding flux compositions
IPC: B23K35/362
Filed: 1949-06-29
Abstract: The flux composition of the parent Specification is modified in that it is agglomerated by the fusion of substantially anhydrous sodium or potassium silicate or both.
Patent GB-752854-A (GB)
Title: Cage for roller bearings, more particularly needle bearings
IPC: F16C33/46
Filed: 1954-06-14
Abstract: 752,854. Roller bearing cages. SCHAEFFLER, W., and SCHAEFFLER, G. June 14, 1954 [June 13, 1953], No. 17446/54. Class 12 (1). A roller bearing cage 1 has a plurality of apertures 5 in each of which is disposed a pair of rollers 6, 7. The rollers are retained by projections 12 and central webs 13, as shown in the left-hand side of Fig. 2, or by axially-extending projections 14, as on the right-hand side. The central webs 13 may be replaced by projections 27, 28, as shown in Figs. 12 and 13. The outer or inner race itself may constitute the outer or inner retaining means respectively. Instead of deformation of the cage, retaining strips 17, 18, Fig. 5, may be provided.
Patent GB-380799-A (GB)
Title: Improvements in or relating to a method of and apparatus for use in making snugs, keys and the like
IPC: B21D53/42
Filed: 1931-06-17
Abstract: 380,799. Forging. HOOKER (1928), Ltd., P. and BARTLETT, E. R., Folly Lane, South Chingford, London. June 17, 1931, No. 17604. [Classes 83 (ii) and 83 (iv.).] Dies ; making bolts and toothed gearing.- Keys, splines, &c. on bolts, shafts, &c. or the teeth on sprocket wheels &c. are formed by oppositely moving tools cutting and raising the metal of the article itself. Tools 33, 34 are carried in sliding holders 31 slotted at 29, 30 to receive the heads 27, 28 of levers 23, 24 operated from a cam 5 on a shaft 6 through a roller 70 and toggle levers 3, 4. The bolt or other article is supported in a hole 41 in a bush 40 in an extension of the casing 2 of the machine. A sprocket wheel &c. may be supported on a horizontal shaft in a bracket 63 and rotated between the formation of each tooth. The tools may be formed to produce a single projection 45, or a series of detached or a continuous projection along the length of the bolt which may be disposed along a curved path 37, Fig. 14, by partial rotation of the article between each operation. An ejector rod 62 is actuated by a cam 59 on the shaft 6, through a lever 60. The shaft 6 is geared to a shaft 9 coupled to the drive pulley 11 by a clutch 10 controlled by one-revolution mechanism. The clutch is engaged by a pedal 12 rocking a bell-crank lever 16, a double lever 50, 51 falling to engage the upper end of lever 16 and retain the clutch in engagement, until a cam 22 depresses a rod 49 to rock lever 51 and release the clutch. Other mechanical hydraulic, &c. operating mechanism may replace that shown. According to the Provisional Specification the tools may be moved manually by rotation of a spindle having left and right-hand threads thereon, and it is also stated that the machine may include blank feeding and ejecting means and be entirely automatic in operation.
Patent GB-103114-A (GB)
Title: Improvements in Carburetters for Explosion Engines.
Inventor: PIAT JOANNES
IPC: F02M7/14
Filed: 1916-12-07
Abstract: 103,114. Piat, J. Dec. 31, 1915, [Convention date]. Spray carburettors.-The discharge orifice d of the fuel nozzle a is arranged eccentrically to the nozzle axis, and its effective area is controlled by an orifice g arranged eccentrically in the end f of a tubular cap e mounted rotatably over the nozzle. A flanged nut k retains the cap in position by bearing against a flange i formed thereon. The cap is provided with a square part h which is rotated by a key moving over a graduated scale. A lock-nut l is fitted between the nut k and an hexagonal enlargement b.
Patent GB-1287352-A (GB)
Title: Regenerative air preheaters in boiler plants
Inventor: PETTERSSON BIRGER
IPC: F23L15/02
Filed: 1970-04-14
Abstract: 1287352 Thermal regenerators SVENSKA ROTOR MASKINER AB 19 April 1971 [14 April 1970] 17666/70 Heading F4K In a boiler plant utilizing two parallel-connected rotary thermal regenerators 10 to extract heat to air from the boiler flue gases, the distribution of the air or gas between the two regenerators is regulated by a damper. In the apparatus shown the heating gas is proportioned between the two regenerators by the damper 28 so as to maintain the same gas temperature in the discharge duct 16 for both regenerators. The damper 28 is controlled by temperature sensing means 32 in each of the ducts 16. The overall gas discharge temperature is maintained above a predetermined minimum and within a predetermined temperature range for practical reasons by temperature sensing means 34 which controls via dampers 26 the quantity of air caused to by-pass the regenerators through ducts 24. The device 34 may be replaced by temperature sensing devices in the ducts 16 these being connected to a single computer device for indicating the mean temperature. The air may be supplied to the air inlet ducts by one or more fans.
Patent GB-624817-A (GB)
Title: Improvements in or relating to contact breakers
IPC: H01H3/00
Filed: 1947-07-04
Abstract: 624.817. Interrupters. BENDIX AVIATION CORPORATION. July 4, 1947, No. 17761. Convention date, July 27, 1946. [Class 38(v)] To reduce wear in a contact-breaker, particularly when used in magnetos having plastic cams, a strip 40 of fish-paper or other springy non-metallic material, is interposed between the cam-follower 25 and the moving contact blade 50. The cam-follower is carried by a spring-blade 21 which is insulatingly mounted, together with the contact blade 50, on a lug 16 on the support 10. A contact 54 on the blade 50 normally engages a fixed contact 19 mounted on the support. A wick 35, to lubricate the cam, is clipped to the spring 21 underneath the cam-follower.
Patent GB-458134-A (GB)
Title: Improvements in the manufacture of flux-coated electrodes for electric arc welding
IPC: B23K35/04
Filed: 1935-06-20
Abstract: 458,134. Coating wires. MORITZ, M. R., 13, Dunollie Road, Sale Moor, Cheshire, and METROPOLITAN - VICKERS ELECTRICAL CO., Ltd., I, Kingsway, London. June 20,1935, No. 17803. [Class 140] Arc welding electrode wire is coated with flux material by passing the wire longitudinally through a bath of flux paste and rocking or pulsating the flux by laterally moving the bath, or a part or wall thereof, in relation to the wire, and removing excess paste from the wire. Figs. 1 and 4 show one form of apparatus comprising a flexible bag 13 of rubber or waterproof fabric supported within a bath 6 which is rocked upon trunnions 4, 5 by crank mechanism. The wire 16 is guided through entrance and exit dies 12 which are secured to brackets 2, 3 and, by clamping plates 15, to the bag 13, and which pass through arcuate slots 11 in the bath 6. Fig. 5 shows a modification in which the paste is contained in a rigid bath 17 surmounted by a hopper 18 and provided with an open bottom closed by a sheet 20 of india rubber clamped between plates 21 secured by a nut 23 to a rod 22 which is oscillated by a crank or cam.
Patent GB-216007-A (GB)
Title: Improvements in, or relating to, bonnets of motor vehicles
IPC: B62D25/10
Filed: 1923-07-10
Abstract: 216,007. Austin, Sir H. July 10, 1923. Bonnets.-The edges of the body are supported upon ihe front end of the bonnet and upon the radiator by strips E of rubber or other elastic or soft material. Each strip is made with a beading forming a shoulder against which the end of the bonnet abuts and with a shoulder a which bears against the edge of the body and the radiator. The beading may overlap the body or radiator.
Patent GB-1200992-A (GB)
Title: Apparatus for pulsation mixing of liquid reagents and liquid-and-solid reagents
Inventor: KARPACHEVA SUSANNA MIKHAILOVNA
IPC: B01F11/00
Filed: 1968-04-16
Abstract: 1,200,992. Mixing apparatus. S. M. KARPACHEVA, V. M. MURATOV, L. S. RAGINSKY, V. D. IVANOV and V. E. CHERNOV. 16 April, 1968, No. 17873/68. Headings B1C and B1F. Mixing apparatus comprises a tank 1 having an inlet 2 and an outlet 3 and connected to pulsating chambers 5 by means of nozzles 4 so arranged that, when the tank contains reagents and the pulsation chambers are connected to a source of pulsating pressure, some of the nozzles direct reagents from the pulsation chambers into the tank so as to impart to the reagents therein a rotary motion about axis A-A and the others direct reagents towards axis A-A. The nozzles may be arranged so as to direct reagents downwards at an acute angle α to axis A-A and may be disposed in rows about the periphery of the tank. The apparatus may be used for mixing liquid reagents as well as liquid and solid reagents.
Patent GB-682112-A (GB)
Title: Improvements in and relating to the transmission of heat to products, such as moulded bodies, treated in closed steam chambers
IPC: C04B40/02
Filed: 1950-07-18
Abstract: 682,112. Heating systems. INTERNATIONELLA SIPOREX AKTIEBOLAG. July 18,1950 [July 21, 1949], No. 17900/50. Class 64 (ii) [Also in Group V] In an autoclave 1 light-weight concrete bodies 2 are placed one above the other to be steam-hardened. Through a tube 3 arranged horizontally at one side of the bodies 2 air can be exhausted by a pump (not shown), while steam is supplied under pressure to the autoclave through a longitudinally arranged tube 4. The exhaust tube 3 is perforated along its length so that the suction effect is uniformly distributed and the steam-supply tube is provided with perforations, slots or nozzles so arranged that the steam flows over the surfaces of the moulded bodies and is directed with special force into the spaces between the bodies. The perforations 3<SP>I</SP> in the exhaust tube may be arranged to increase the flow of steam in the desired directions. The air is first exhausted, then the suction is interrupted and steam supplied preferably at right angles to the longitudinal axis of the autoclave and parallel to the horizontal surfaces of the moulded bodies.