baber/WOPTO huggingface dataset:
Patent GB-255399-A (GB)
Title: Improvements in milling cutters
IPC: B23C5/04
Filed: 1926-05-17
Abstract: 255,399. Krupp Akt.-Ges., F. Sept. 7, 1925, [Convention date]. Milling-cutters.-A milling-cutter such as a -worm hob is provided with rows of teeth a<8> arranged along continuous helices of coarse pitch and separated by teeth a<9> which lie along stepped helices of opposite hand from the teeth a<8>. In Fig. 1 the hob is composed of six discs A<1> to A<6> which are keved to a carrier B and secured by nuts C, D. The pitch h of the worm thread is Equal to half the thickness of each disc. When the discs are arranged in the order A<1> - - A@, Fig. 4, the teeth a<8> form continuous right-hand helices and the teeth a<9> lie along stepped lefthand hehces. The lateral faces a<10>, a<11>, Fig. 3, of the teeth are unsymmetrically arranged with respect to the median line of the thread, the lateral face a<11> of the teeth a<8> being at a greater distance from the median line than the opposite faces a<10>, while in the case of the teeth a<9> the faces a<10> are at the greater distance from the median line. In this way the cutting action is confined to the edges which intersect the front faces a<12> of the teeth at an acute angle. When the discs are arranged in inverse order on the carrier, Fig. 5, the teeth a' then form continuous left-hand helices while the teeth a<8> lie along stepped right-hand helices. Thus in manufacturing the hob, after the worm thread has been cut with the pitch h, the discs may be arranged as in Fig. 4 to cut the teeth a<8>, and then rearranged as in Fig. 5 to cut the teeth a<9>. The grinding and regrinding of the front faces a<12> may be effected in the same manner. In a modification, the rearrangement of the teeth may be effected by altering the angular relation of the discs. In a further modification, the thickness of each disc is one and a half times the pitch h of the worm or the thickness may be any integral multiple of the half pitch of the worm.
Patent GB-1104615-A (GB)
Title: Hot top with centering lugs
IPC: B22D7/10
Filed: 1966-03-22
Abstract: 1,104,615. Ingot moulds. INGOT AID CO. Inc. 22 March, 1966 [13 April, 1965], No. 12584/66. Heading B3F. A hot top comprises a metal casing 1 and a refractory bottom ring 5 located beneath the casing and extending laterally outward therefrom. Centring lugs 10 projecting outwardly from the casing above the bottom ring are provided for insertion into the top of an ingot mould with the casing and ring, the ring being provided with peripheral rib 6 for engaging the inner surface of the mould wall 3. Supporting lugs 18 extending beyond the centring lugs are provided to engage the top edge of the mould when the hot top is in position for pouring. The supporting lugs may be integral with the centring lugs or they may be separate notched plate members 24, (see Fig. 7) movable into selected positions on the side of the casing so as to effect adjustment of the height of the hot top in relation to the mould. The bottom ring 5 also extends inwardly to support an insulating or refractory liner formed by interlocking panels.
Patent GB-170881-A (GB)
Title: A plant for motors using mixtures of hot air and steam
IPC: F01K21/04
Filed: 1920-05-07
Abstract: 170,881. Brander, A. May 7, 1920. Superheating by hot gases.-A compressor for supplying air to a combined steam generator and superheater, Fig. 5, comprises a series of pump pistons arranged coaxially with cylinders working upon a two-stroke internal combustion cycle. One unit of the compressor is shown in Fig. 1 and consists of a pump cylinder B in line with an internal combustion cylinder A. The air delivered by the compressors is mixed with steam from a drum d, Fig. 5, and the mixture is heated by its passage over a series of tubes a through which are circulated exhaust gases from the cylinders of the internal-combustion engine. The mixture enters at m and after traversing a passage c in the central division plate f is discharged at m<11> for use in a motor which may be a turbine or a reciprocating engine. The combined generator and superheater comprises a series of inner tubes b, through which is circulated the cooling water from the cylinder jackets of the compressor shown in Fig. 1, and outer tubes a through which the exhaust gases are passed from the chamber i.
Patent GB-1027123-A (GB)
Title: Improvements in or relating to articles of holloware comprising a container and a lid
Inventor: WEBSTER FREDERICK PHILIP
IPC: A47G19/12
Filed: 1964-03-25
Abstract: 1,027,123. Lids for domestic vessels. MIDLAND METAL SPINNING CO. Ltd. March 16, 1965 [March 25, 1964], No. 12664/64. Heading A4A. A detachable lid 12 is prevented from falling off when a container 10, such as a jug, teapot or saucepan, is tilted for pouring, by interlocking of a surface 32 at the end of a plastic handle 13, riveted to the lid, with a surface 25, beneath a nose 24 on a plastic handle 11, which is riveted to the container body. The surfaces are spaced when the container is upright and the lid is placed in the mouth of the container, in position for interlocking, either directly or by placement therein followed by rotation. A flange 17 forms a pouring spout and an aperture or open-ended pouring slot is punched in the skirt of the lid opposite one or each end of the handle 13. In modifications the interlocking surfaces are curved in more than one plane or are dissimilar, or the handle is assymetrically placed on the lid and has only one locking position.
Patent GB-479917-A (GB)
Title: Improvements in or relating to the manufacture of bottles of paper, cardboard or thelike
IPC: B31B3/00
Filed: 1936-05-05
Abstract: 479,917. Paper &c. bottles. LICHTENSTEIN, F., and RANINGER, K. May 5, 1936, No. 12710. Void. Convention date, May 15, 1935. [Classes 18 and 66] Paper, cardboard, &c. bottles are made by first joining the lateral edges of the blank shown in Fig. 2 or 15 by means of adhesive 5 and then fitting this tube over a mandrel 10, Fig. 9, slidable over a pin 13 and carrying a base 18. The advancing of a ram 11 against the pressure of springs 14, shapes the neck, and the edges of the flaps 4 which are coated with adhesive. A fitting 21 serves to heat the ram. The mouth may be threaded to take a screw cap, or a ring may be fitted within it to take a disc or a plain cap may be used. End joints are shown in Figs. 4, 5, 13, 14. The neck may be covered by a segmentalshaped piece which may be assembled simultaneously with the shaping of the neck. The bottle may be impregnated with wax &c.
Patent GB-195293-A (GB)
Title: Improved hand operated punch
IPC: B21D28/24
Filed: 1922-05-05
Abstract: 195,293. Weeks, J. May 5, 1922. Pliers and cutters.-A hand-operated punch, particularly for punching sheet metal, comprises a punch 1, carried by a spindle 2 slidable within a guide 3 forming part of a head 4, and coacting with a die 7 screwed into an abutment 6 of the head 4, the spindle 2 being actuated by means of levers 13 carried by links 17 pivoted at 18 to the head and having cranked portions 14 connected by pivots 15 to the spindle 2. The spindle is retracted by a spring 19. An adjustable stop 8, out away at 11 and secured by a set screw 10, locates the edge of the work, and a pair of abutments 12 are provided to hold the work whilst the punch is being withdrawn.
Patent GB-648882-A (GB)
Title: Improvements in or relating to directional electromagnetic wave antenna apparatus
IPC: H01Q3/32
Filed: 1942-12-04
Abstract: 648,882. Wave-guides. SPERRY CORPORATION. Dec. 4, 1942, No. 12765/44. Divided out of 648,881. [Class 40 (viii)] [Also in Group XL (c)] Wave-guides 217, 218 are of rectangular section and are slotted to emit radiation. Coupling devices 215, 216 project through slots 219, 220. into the guide and are fed from the same wave source. They are rendered active alternately by altering the phase velocity of waves within the guides. This is done by rotating flat conductors 228, 229 within the guides, either continuously or intermittently through a Geneva stop mechanism. The conductors 228, 229 may be of semicircular section and may move in and out of a recess on one side of the guide.
Patent GB-152282-A (GB)
Title: Improvements in or relating to cages for ball- or roller-bearings
IPC: F16C33/42
Filed: 1920-05-08
Abstract: 152,282. Miller, C. H., and Skefko Ball Bearing Co. May 8, 1920. Ball or roller bearings. - A cage for ball or roller bearings comprises two sheet-metal rings one of which carries on its edge a number of lugs 11 which are bent over and down between the balls to form spacing-members consisting of curved wings 12, 13, the wings being secured to both side rings of the cage by passing projections 14 through holes 18 and riveting them. Seats 16 are provided in the side rings for the balls. The side rings may be connected by additional rivets 30, and the lugs 11 on one ring may receive tongues 23 formed on the other ring.
Patent GB-459765-A (GB)
Title: Improvements in or relating to spirometers
IPC: A61B5/09
Filed: 1936-05-06
Abstract: 459,765. Spirometers. DORNSEIF, H., 30, Ulfestrasse, Radevormwald, Germany. May 6, 1936, No. 12832. [Class 81 (ii)] A spirometer comprising a bladed wheel, particularly for axial air flow, and a counting mechanism operatively connected with the wheel, is characterized by a helical guide conduit for the air flow opening into the bladed wheel obliquely in the direction of rotation. As shown, the apparatus consists of a two-part casing 4, 5 in which is mounted between bearings 21, 22 a bladed wheel 1. Bearing 22 is vertically adjustable. The wheel is connected to counting mechanism 3, the number of revolutions of the wheel being indicated by a pointer 12 moving over a dial 11. The helical guide conduit consists of a pit 6 having a helically ascending bottom 31. Air is blown into the guide conduit through nozzle 7, and due to the rotation imparted to it, moisture and germs are thrown onto the walls of the pit; the condensed moisture flows through an opening 32 at the bottom, and is absorbed by a fibrous pad 34, preferably impregnated with disinfectant, which is held between the part 5 of the casing and a base 38. A rubber packing ring 40 is provided. A collecting groove 36 for moisture is formed in the upper edge of the pit wall, and is connected to the pad 34 by channel 37. A flap valve 23 disposed in front of nozzle 7 opens when the air pressure reaches a predetermined amount, say 0À07 atmospheres overpressure. The position of the valve and hence the air pressure is indicated by a pointer 27 connected to the valve shaft 24. Attached to the valve is a bundle of bristles 42, which, when the valve closes, brakes the bladed wheel. A hand-operable release member for the brake consists of a rod 48 which can be pressed against a spring 51 onto a nose 29 on the valve. Air passing through the bladed wheel 1, which projects over the side of the pit 6, is deflected through slots 8 by a conical portion 10 of the casing which is continued into a flange 41. A clock is disposed in the upper part 9 of the casing and is indicated by a winding knob 17, driving gear 19 and pointer 13. The dial 11, which also serves for indicating the time of the test, is adapted to be turned to its zero position by means of a rotatable ring 15 engaging therewith. The flap v lve 23 may be replaced by a rectilinearly moved valve, or may be controlled by a spring. A separate pressure gauge may be connected with the nozzle, and the valve released by hand or automatically when the gauge indicates the correct pressure. The release member 48 for the brake may be omitted, and the indicator 27 used as the hand operated release device.
Patent GB-1118141-A (GB)
Title: Improvements in ultrasonic transmitting or receiving devices
Inventor: DEAN DAVID STANLEY
IPC: G01N29/24
Filed: 1965-03-26
Abstract: 1,118,141. Ultrasonic testing. NATIONAL RESEARCH DEVELOPMENT CORP. 25 March, 1966 [26 March, 1965], No. 12892/65. Heading H4J. An ultrasonic transmitting or receiving device comprises a ceramic disc transducer 13 supported on an inner flat face 14 of an aluminium hub 12. The hub 12 is housed within a rim 15 of polymethyl methacrylate, an intermediate oil film acting as a lubricant and acoustic coupling. In use, an air-filled or deformable plastics tyre 16 is held in contact with the specimen. The hub 12, rim 15 and tyre 16 comprise materials of descending order of sound impedance. Relative movement between specimen and apparatus causes the tyre 16 to traverse the specimen, the rim 15 rotating on the hub 12. A support arm 11 carries the hub 12 and electrical connections 17 supply power for driving the transducer 13.
Patent GB-1173373-A (GB)
Title: Substituted 3-Aminopyrrolidines
Inventor: DAWSON NORMAN DAVID
IPC: C07D207/12
Filed: 1967-03-20
Abstract: 1,173,373. Substituted pyrrolidines. A. H. ROBINS CO. Inc. 20 March, 1967 [22 March, 1966 (2)], No. 12976/67. Heading C2] Novel pyrrolidines of the general Formula (and acid addition salts thereof), wherein R represents C 1-8  alkyl, and Ar represents phenyl, C 1-8  alkyl-phenyl, C 1-8  alkoxyphenyl, halophenyl or trifluoromethylphenyl are prepared by reacting maleimide (obtainable by the reaction of N-carbamoyl-maleimide and dimethylformamide) with HNRAr to form an aspartimide of the general formula and reducing this aspartimide with lithium aluminium hydride or by debenzylating the corresponding 1-benzyl-pyrrolidine, and may be converted to novel compounds of the general formula (and acid addition salts thereof), wherein R and Ar have the above significance and R<SP>1</SP> represents -R<SP>11</SP>Ar, -CH 2 CH 2 -pyridyl, in which R<SP>11</SP> is C 1-8  alkylene and R<SP>111</SP> represents a bond or C 1-6  alkylene, by reacting the novel compounds of the first general formula above with X-R<SP>11</SP>-Ar, H 2 C=CH-pyridyl, X-R<SP>11</SP>-O-Ar or in which X represents a replaceable halogen atom. p-Methylbenzene sulphonate ester of 1-benzyl-3- pyrrolidinol is prepared by reacting 1-benzyl-3- pyrrolidinol and p-methylbenzene sulphonyl chloride. Pharmaceutical compositions useful as central nervous system depressants and minor tranquilizers contain as the active ingredients the novel pyrrolidines of Formula I above.
Patent GB-594022-A (GB)
Title: Improvements in or relating to tuning devices for radio receivers and the like
IPC: H03J3/20
Filed: 1945-05-25
Abstract: 594,022. Condensers. MARCONI'S WIRELESS TELEGRAPH CO., Ltd. May 25, 1945, No. 13073. Convention date, May 25, 1944. [Class 37] A frame member 1 with upright arms 2, 3, carrying bearings 4, 5, supports a cylindrical member 7 mounted on a threaded rod 6 so that an axial movement of the cylindrical member 7 is produced by rotation of the rod 6. The member 7 may be of ceramic material and is coated with two metal films, each film extending slightly less than 180 degrees round the inner periphery of the cylinder and constituting two movable plates of a pair of condensers which serve to tune the oscillator and signal circuits of a superheterodyne receiver. The oscillator plate 10 is suitably shaped along its length to permit the oscillator circuit to " track " with the signal circuit, obviating the necessity for a padding condenser. The cylindrical member 7 engages varying amounts of a concentric metal cylinder 15 rigidly mounted to form the common plate of the two tuning condensers. The insulating tube 18 which supports the cylinder 15 may also constitute a former for an oscillator coil contained within the cylinder 15. Specification 559,717 is referred to.
Patent GB-737822-A (GB)
Title: Method of separating dispersed matter from fluid masses
Inventor: SIMPSON ROBERT DON
IPC: B04C5/14
Filed: 1953-05-11
Abstract: 737,822. Centrifugal separators. FARM PRODUCTION ENGINEERS, Inc. May 11, 1953, No. 13124/53. Class 23. In the separation of a mixture of particles, a mass of fluid and the particles is caused to whirl whilst descending, and the descending mass is met by an ascending whirling stream of fluid so that the mass is spread out in a generally horizontal plane. A separator suitable for the process comprises a vessel 2 having a conical part 3 connected by a cylindrical throat 4 to a bulbous chamber 6 for collection of the denser particles. The mixture is supplied to the vessel by a tangential inlet pipe 9 connected to a pump 11 which draws up carrier liquid and the particles from a container 13. If the particles are grain stalks and seeds, these may be threshed during passage through the pump. An outlet pipe 18 for the less dense particles has a telescopic inlet 19 situated on the axis of the vessel. Curved radial vanes 17 in the throat are arranged to cause liquid mixture from the bulbous chamber to whirl with the mixture in the conical part of the vessel. A jet tube 29 is supported by the vanes. Some of the liquid from the vessel passes through a pipe 26 to enter the bulbous chamber with a whirl opposite to that in the conical part of the vessel. In a modification in which the carrier fluid is air, the bulbous chamber is dispensed with so that ambient air is drawn in through the throat. A particle mixture may be run through the separator and one or the other of the fractions may be re-cycled to obtain a fraction of required density.
Patent GB-474689-A (GB)
Title: Improvements relating to rotary valves of internal combustion engines and the lubrication thereof
IPC: F01L7/04
Filed: 1936-05-09
Abstract: 474,689. Valves; lubricating. FLETCHER, A. H. CUDDON-. May 9, 1936, No. 13144. [Classes 7 (ii) and 7 (vi)] In rotary valves, such as are described in Specification 447,677, composed of two or more sleeves assembled one within the other but rotating as one, and having longitudinal slits to allow for expansion and also to distribute lubricant, oil feed ducts are provided in the valve casing so as to communicate with the slits as the valve rotates. The Figure shows a valve composed of three sleeves a, b, c formed with slits d, e, f respectively, and rotating in a housing formed with wedge-shaped oil ducts i, j. These ducts may communicate with supply and outlet channels k, m respectively. A series of holes n may be provided along the outer sleeve a in communication with the slit e of the intermediate sleeve b. In a modification, circumferential and longitudinal oil channels are provided between the outer and inner sleeves so as to form an oil seal.
Patent GB-642530-A (GB)
Title: Improvements in or relating to the manufacture of packages
IPC: B65B9/02
Filed: 1946-05-01
Abstract: 642,530. Moulding packages. SALFISBERG, L. L. May 1, 1946, No. 13147. Convention date, May 12, 1945. [Class 87 (ii)] [Also in Groups XVII and XXII] A package made of superimposed sheets of coated metal foil or " Cellophane " (Registered Trade Mark) has a central chamber for containing the material to be packaged, heatsealed transverse and longitudinal edges and a cold pressed part between the edges and the chamber. This cold pressed part allows the material in the chamber to expand without damaging the heat seal. Two webs 4, 5, Fig. 1, are drawn from rolls 1, 2 and passed between heated rollers 10, 11 which crimp and seal the longitudinal edges of the webs. The material to be packaged is introduced through two tubes one of which is shown at 9. The webs then pass between heated rollers 18, 19 which seal and score the transverse edges of the packages to be formed. As the webs are heat sealed while the material is contained between the webs, air is prevented from entering the packages. The partly formed packages then pass between rollers 31, 32 having pivotally mounted dies 39 which form the chambers 44 by longitudinally and transversely gathering the web material. The transverse scoring allows the web material to be torn to compensate for the gathering. The packages are severed by blades 56, in rubber sleeves 57, mounted on a roller 53. All the rollers are intergeared and the rollers 11, 19, 32 have means for adjusting them towards and away from their corresponding rollers. In a modification, Fig. 12, two packages are formed side by side in a horizontal plane, between reciprocating sealing and moulding parts mounted on blocks 78, 79. Webs 4, 5 are fed by brushes 74, 75 between heated sealing and crimping members mounted on blocks 76, 77 which seal the webs longitudinally at their edges and also in their central portion. A central knife 87 mounted on resilient plungers 88 cuts the webs along the centrally sealed portion. The webs then pass between horizontal, heated, crimping parts 94, 95 and knife blades 96, 97. The webs at this point are guided between plates 108, 109, which have slots 110 to allow the parts 94, 95, 96, 97 to pass through them. The distance between the plates may be adjusted. The webs next pass between dies 119 in blocks 117, 118 and then between severing apparatus mounted on blocks 123, 124. The reciprocable parts 78, 79 are moved by a toggle mechanism. The longitudinal edges of the webs may be offset or one web may be wider than the other to facilitate the opening of the packages. The package may be heat sealed at spaced points around the chamber in the cold pressed area.
Patent GB-734323-A (GB)
Title: Improvements in or relating to hydraulic installations more especially for mounting on towing vehicles, tractors or the like
IPC: F15B15/04
Filed: 1953-05-12
Abstract: 734,323. Hydraulic machines. HANNOVERSCHE MASCHINENBAU - AKT. - GES. VORM. G. EGESTORFF, HANOMAG, and BAAS, E., [trading as WITTENBURG, W. [Firm of]]. May 12, 1953 [Jan. 21, 1953], No. 13178/53. Class 69 (2). [Also in Groups XXVIII and XXX] A pivotally mounted cylinder 1 having a fluidactuated piston 2 operating therein has pipes 18, 19 leading to the cylinder and to a connecting-point comprising a pin 9 provided with axial and radial channels 20, mounted by means of a flange 10 on a bearing bracket 5 for the cylinder and having its central axis coincident with the pivotal axis of the cylinder, connecting rings or sleeves 11, 12 being rotatably mounted on the pin and providing communication between the pipes 18, 19 and feed and discharge lines 22, 23 communicating with the interior of the pin. The hydraulic connection may operate as a control valve by providing communication only at certain positions.
Patent GB-570149-A (GB)
Title: Improvements in and relating to hydraulic moulding presses
IPC: B30B15/16
Filed: 1943-08-13
Abstract: 570,149. Hydraulic presses. STREETLY MANUFACTURING CO., Ltd., and EVANS, A. Aug. 13, 1943, No. 13179. [Class 69 (ii)] A timing gear for actuating a high pressure liquid release valve 19 at a predetermined interval of time after the press is closed, comprises a controlled liquid feed to a valveactuating cylinder 30. Initial low pressure liquid L.P. is supplied to the press through check and control valves 22, 14, thus raising the ram 2. At a predetermined position, reached only if the mould parts are in correct register, the ram operates a tappet 7 to,raise a lever 9 and open a control valve 11 for high pressure 'liquid. This liquid passes to the valve 22, which is thereby closed, cutting off the low pressure supply, and thence proceeds to the press ram. As lever 9 rises, it also opens a valve 25, admitting L.P. liquid through an adjustable timing valve 28 to the timing cylinder 30. After a predetermined interval, during which the press is closed for curing, release valve 19 is opened by piston 32 and the press ram descends. Valves 11 and 25 close and an exhaust valve 37 for the timing cylinder is opened by a projection 39 on the descending ram.
Patent GB-514339-A (GB)
Title: Process for producing reflecting scales for indicating instruments
IPC: G01D13/02
Filed: 1938-05-03
Abstract: 514,339. Indicating apparatus. ASKANIAWERKE AKT.-GES. VORM. CENTRALWERKSTATT DESSAU UND C. BAMBERG-FRIEDENAU. May 3, 1938, No. 13199. Convention date, May 5, 1937. [Class 106 (iv)] The scale of an indicating - instrument is formed by coating a light-absorbing base with a layer of reflecting material and then removing this layer where necessary to form the scale markings. The reflecting layer may be of rhodium and the base of dark glass. The layer may be deposited on the base by cathode dispersion, by chemical deposit or by sublimation.