baber/WOPTO huggingface dataset:
Patent GB-703093-A (GB)
Title: Improvements in or relating to electrical plug and socket couplings
Filed: 1951-05-22
Abstract: 703,093. Two-part couplings. LIGHT & POWER ACCESSORIES CO., Ltd., and LOTT, F. J. May 22, 1952 [May 22, 1951], No. 11923/51 Class 38 (1) In order to prevent the socket of a plug-andsocket coupling from being used with any other than the correct plug, for example, a 3-phase socket with a single-phase plug, the socket body 4 has one or more " live " pins 7, Fig. 5, and an earthing pin 12 loosely housed in holes 8 therein and kept in position by the cablesecuring grub screws 9. Each " live " pin 7 has an insulating tip 13, e.g. of " Tufnol " (Registered Trade Mark) of equal, or slightly less diameter than the pin. A corresponding number of slit socket pins 15, Fig. 7, having axial bores 16 for the socket contacts 7, 12, are similarly housed in the insulating plug body 5. Both plug and socket bodies may be surrounded by earthed metal casings 3.
Patent GB-436842-A (GB)
Title: Improvements in fusion welding
IPC: B23K35/02
Filed: 1935-04-18
Abstract: 436,842. Uniting by fusion. BABCOCK & WILCOX, Ltd., Babcock House, Farringdon Street, London.-(Assignees of Galehouse, F. ; Boulder City, Nevada, U.S.A.) April 18, 1935, No. 12049. Convention date, April 20, 1934. [Class 83 (iv)] In a continuous process of fusion welding using a series of bare or coated weld rod sections 1 having male 3 and female terminals 2, so that they are connected together frictionally end to end, the rods are fed to the welding point with the female terminal towards the arc so that the male terminal which extends rearwardly is more rapidly heated and expands to lock the sections together. The fit of the terminals is such as to provide thermal resistance at the joint. As shown, the male terminal is knurled. The rods may be fed by one or more pairs of rolls carried by the welding head with the axes of one pair arranged at right angles to the axes of the other pair.
Patent GB-552084-A (GB)
Title: Improvements in or relating to insulating electrical conductors
IPC: H01B3/30
Filed: 1941-09-19
Abstract: 552,084. Polyamides; phenol and polyhydricalcohol - - polybasic acid resins. DU PONT DE NEMOURS & CO., E. I. Sept. 19, 1941, No. 12108. Convention date, Oct. 18, 1940. [Class 2 (iii)] Compositions for making electrical insulating coatings, e.g. wire enamels, comprise a synthetic linear polyamide, as described in U.S.A. Specifications 2,071,250, 2,130,523, 2,130,948, a phenol - aldehyde resin and an alkyd resin 8 ; an oxidised drying oil may also be added. In examples wires are coated with the following compositions :-(1) polyhexamethylene adipamide 50 parts, alkyd resin 17 parts, phenol formaldehyde resin 33 parts, cresols 200 parts, high flash coaltar naphtha 200 parts, liquid lead-manganese drier 1 part; (3) polyhexamethylene adipamide 25 parts, alkyd resin 37.5 parts, phenol formaldehyde resin 37.5 parts, thiodiphenylamine 0.5 parts, cresols 100 parts, naphtha 100 parts, drier 2 parts. The alkyd resin may comprise glyceryl phthalate with linseed oil, china wood oil, perilla oil or rosin mixed in specific proportions. The Specification as open to inspection under Sect. 91, also described the following compositions :-(4) polyhexamethylene adipamide 25 parts, phenol formaldehyde resin 37.5 parts, air blown linseed oil 37.5 parts, cresols 100 parts, naphtha 100 parts, driers 2 parts; (5) polyhexamethylene adipamide 50 parts, alkyd resin 25 parts, rosin 25 parts, cresols 200 parts, naphtha 200 parts, drier 1 part. This subjectmatter does not appear in the Specification as accepted.
Patent GB-701817-A (GB)
Title: Improvements in and connected with rail greasing apparatus or pumps therefor
Inventor: MEYRICK ALBERT CECIL
IPC: B61K3/00
Filed: 1951-05-23
Abstract: 701,817. Rail lubricators. P. & M. CO. (ENGLAND), Ltd. May 22, 1952 [May 23, 1951], No. 12113/51. Class 12(3) A rail and flange lubricator of the type in which a film of grease is extruded from a housing by the action of a pump actuated by passage of the wheels of a railway vehicle, is characterized in that between the pumn and the source of supply of the grease under pressure to the pump there is provided means preventing return of the grease to the source during actuation of the pump and also means absorbing return or back-pressure on the grease from the pump towards said source. In the arrangement shown, a housing 1 is provided with a conduit 2, along which grease is forced to the pump under pressure, and with a passage 3 through which grease is forced by the pump to means for spreading the grease along the rail. The pump comprises a casting 4 provided with a plunger 10 the upper part of which is positioned to be engaged by the wheels of rail- 'way vehicles and the lower part of which forms a piston 12 in a cylinder 11. On the plunger being depressed the piston moves. rearwardly against the action of a spring 11a and forces grease past a ballvalve 13 into a channel which communicates with the passage 3. Between the housing 1 and the casting 4 is a block 5 formed with a compartment 17 fitted at one end with a spring-pressed valve 20, the other end communicating with the cylinder 11. Communicating with the compartment 17 is a lateral chamber 25 fitted with a spring 30 and piston 29. The valve 20 prevents return of grease through the conduit 2 during the movement of the pump. Any back pressure between the piston 12 and the grease above it is taken up by the piston 29 and spring 30. The pump may be of the type described in Specification 658,820, [Group XXVIII].
Patent GB-708643-A (GB)
Title: Improvements in or relating to the photopolymerization of acrylic esters
IPC: C08F2/48
Filed: 1951-05-24
Abstract: A halogen-free ester of acrylic or an alphaalkyl acrylic acid is photopolymerized using as polymerization initiator an acyloin or acyloin ether in the presence of allyl glycidyl ether.  The ester may be methyl, isobutyl or 3, 5, 5-trimethylhexyl methacrylate, ethyl, n-propyl or n-decyl acrylate, ethyl-alpha-ethyl-acrylate or the dimethacrylate or diacrylate of ethylene glycol.  The initiator may be benzoin, alpha-methyl benzoin, acetoin, butyroin, 3-hydroxy-4-methyl-2-pentanone, toluin, tertiary butyl benzoin, p-tertiary butyl toluin, benzoin ethyl, methyl or propyl ether, pivaloin ethyl ether or anisoin methyl ether.  The amount of initiator may vary from 0.01 to 10 per cent. and the amount of allyl glycidyl ether from 0.5 per cent. to 15 per cent. by weight of the polymeric system. Polymerization may be effected by bulk, emulsion, granular or solution methods.  Examples of bulk polymerization are given.  In one example, partially polymerized methyl methacrylate is polymerized as a layer on the surface of magnesium chloride brine.
Patent GB-106388-A (GB)
Title: Improvements in Overedge, or Overlock, Sewing Machines.
Inventor: LOED RUDOLF
IPC: D05B61/00
Filed: 1916-08-30
Abstract: 106,388. Loeb, R. Aug. 30, 1916. Overedge-stitching machines ; loose stitches, causing formation of.-A sewing-machine of the type described in Specification 6557/92 for over-edge stitching is provided with means whereby the stitches are graduated in length to effect the formation of a scalloped edge ornamentation of the fabric, as described in Specification 8103/15. The stitches are formed over a wedge member 1, Fig. 8, which is reciprocated in the direction of the feed to position different parts of the wedge at the stitching position and simultaneously the tension on the looper thread is varied, being increased as the stitches shorten so as to fold over the edge of the material at the points of the scallops. The member 1, Fig. 6, is carried by a lever 2 supported on a shaft 11 which also supports the bell-crank lever 13, 2<a>, the arm 13 of which controls the tension of the looper-thread 8. The levers 2, 2a have adjustably secured to them plates 16 with grooves 3<a> in which work rollers carried by a vertically reciprocating bar 17 to rock the levers to an extent depending on the inclinat:on of the grooves. The member 17 is reciprocated by its connexion with an arm 39, Fig. 2, of a rod 38 carrying a roller 36 which engages an inclined slot 35 in a plate 34 reciprocated on guides 33 by means of the connecting-rod 29, eccentric 28, and worm-gearing 25, 26.
Patent GB-1124949-A (GB)
Title: Multi-stage pneumatic nut runner assembly
Inventor: STATES RONALD FREDERICK
IPC: B25B23/145
Filed: 1966-03-21
Abstract: 1,124,949. Multi-stage nut runner assembly. DESOUTTER BROS. Ltd. 27 Feb., 1967 [21 March, 1966], No. 12327/66. Heading B3N. A multi-stage multiple nut runner comprises a plurality of pneumatically operated tools, Fig. 1, mounted between a manifold 2, and a baseplate 1, the constant pressure air supply to the tool motors being interrupted automatically at the completion of each stage to stop the motors, and valve means which then automatically restart the motors. Each tool comprises a head portion 4 and a base portion 5 joined by a body 3, the portions. being. connected by pipes 35, 36, 68, and the tools are connected by pipes 65, 73. Head portion 4 has valves 54, 70, Figs. 10, 11, and base portion 5 is formed by parts 9, 13, Fig. 7, rotatable relative to each other, and an extension 18 on part 13, Figs. 4, 5, carries valves 22 and 51. Valve 22 is actuated when parts 9, 13 pivot relatively to each other against a spring 26 due to the applied torque, and air passes into pipe 35 and thence to bore 61, Fig. 10 leading.to valve 54 in head portion 4, to thus stop the motor when the required torque of the stage is reached. Valve 22, Fig. 4, is made to open at different relative positions of parts 9, 13 corresponding to each stage, by a cam 3, which is cyclically indexed by a pawl 44 actuated by a pneumatic piston 41, Fig. 5, supplied by pipes 67, 68, Fig. 1. The valves of all too's are connected in series. In operation, air is supplied to the bore 72 of the first tool, Fig. 11, from the main supply via a pipe 79, Fig. 1, and as soon as the nut is tightened to its initial torque stage, the motor stops, valve 70, Fig. 11 opens, and air is passed to piston 41, Fig. 5, to actuate pawl 44 so as to index cam 49, and also passes by way of pipes 73, Fig. 1, to the valves 70 of the second and subsequent tools. Three stages of torque are completed due to the indexing of the cam 49, and each tool comprises a micro-switch (63), Fig. 9 (not shown) which is actuated when valve 54, Fig. 10, is closed, and the operation is completed, and a light is observed on a pictorial display.
Patent GB-1056783-A (GB)
Title: Improvements in or relating to terrestrial globes
IPC: G04B19/22
Filed: 1964-03-24
Abstract: 1,056,783. Globes. G. FALK. March 24, 1964 [March 26, 1963], No. 12408/64. Heading G5G. A terrestrial globe comprises a translucent cylinder 1, Fig. 1, provided with an upper end face mask 2, the cylinder being rotatably supported on a vertical shaft 3 by retaining arms 4, Fig. 2. The outer surface of the cylinder has a cartographic representation of the earth in accordance with the mercator projection the meridians 19 on which correspond to the number of hours in a day. The shaft 3 is supported in a foot 5 and is driven by a clockwork (not shown). The foot 5 also supports an annular member 7 forming a radial bearing for the lower part of the cylinder 1 the member 7 also serving as a carrier for a time scale 8 co-operating with the meridians 19. To indicate the day and night time the interior is illuminated by a light source 11 screened by a diaphragm 15. To indicate seasonal variations of nocturnal and diurnal periods the light source 11 and the diaphragm 15 are pivotally mounted on a rod 10 in a bracket 9 the rod terminating in a handle 10<1> which co-operates with notches 13 opposite a recess 12 in the annular member 7. The handle 10<1> may be replaced by gearing driven by the clockwork. In another embodiment (Fig. 9, not shown) the end portions of the diaphragm may be cut off at angle, as shown at 21, to enhance the pivotal displacement of the diaphragm. In a further embodiment (Fig. 10, not shown) the diaphragm may be provided with lateral longitudinal strips 18 to accentuate the shadow line S, Fig. 1.
Patent GB-261619-A (GB)
Title: Improvements in pile raising or napping machines
IPC: D06C11/00
Filed: 1926-05-14
Abstract: 261,619. Klug, A. May 14, 1926. Variable-speed epicyclic gearing .-In a pile-raising or napping machine having the napping rollers 3, 4 arranged in the form of a rotatable drum, half the rollers 3 having conical friction rollers 5 at one end. and the other half 4 having conical friction rollers 6 at the other end to engage stationary friction rings 7, 8 which can be adjusted axially along the conical rollers 5, 6 to vary the speed of the napping rollers 3, 4, each ring 7, 8 is made of iron or other elastic material and has a single gap X which allows it to be expanded and contracted by bending to engage the conical rollers 5, 6 in all positions. The rings 7, 8 are adjusted axially by means of screws 13, 14 connected by chain and toothed gearing 30 with a handle 29. The handle 29 may also be connected through gearing 30, 31 and a screwed shaft 16 with one of two intergeared levers 17, 18 connected to the ends of each ring 7 or 8 so that the rings are adjusted in diameter when they are adjusted axially. Buffer springs 27, 28 are provided between the lever 17 and stops on the shaft 16. The rings 7, 8 preferably have smooth surfaces while the rollers 5, 6 have frictional coatings.
Patent GB-790538-A (GB)
Title: Non-reciprocal microwave transmission device
IPC: H01F1/34
Filed: 1956-04-24
Abstract: 790,538. Magnetic compositions. WESTERN ELECTRIC CO., Inc. April 24, 1956 [April 25, 1955; April 25, 1955; April 25, 1955], No. 12505/56. Drawings to Specification. Class 38 (2). [Also in Group XL (b)] Two ferrite compositions suitable for use at microwave frequencies (see Group XL (b)) are: The compositions have saturation magnetization values of 1700 gauss and 3600 gauss respectively. Strips of these compositions are arranged in waveguides to produce non-reciprocal transmission effects.
Patent GB-636820-A (GB)
Title: Improvements in or relating to peelers
IPC: A47J17/02
Filed: 1948-05-06
Abstract: 636,820. Potato &c., peelers. POUNCE, F. P. May 6, 1948, No. 12513 [Class 28(ii)] A handled potato peeler with pointed end C and an intermediate peeling edge D is provided with a freely rotatable roller E close to the edge D to assist in feeding the peel through the slot. The roller is held by bentup end lugs F.
Patent GB-290162-A (GB)
Title: Improvements in or relating to sifting machines
IPC: B07B4/02
Filed: 1928-04-28
Abstract: 290,162. Gesnel, C. A. May 7, 1927, [Convention date] Fixed sieves. - Sifting-apparatus comprises one or more cylindrical sieves 6, Fig. 1. with charging hoppers 3 acting in series and enclosed in a casing 10, and turbines 1 acting to project the material against the sieves and provided with sets of blades of different heights. The sifted material is discharged at 11 and the tailings collect in a receptacle 7 from which they are discharged through an opening 9 in the casing by blades 8 The Specification as open to inspection under Sect. 91 (3) (a) also comprises another construction of apparatus shown in Fig.12 (Cancelled) in which curved arms 12 supply air or water jets which impel the material against the sieves 6. The arms 12 may be radial and the direction of projection of the material varied by rotating them at different speeds. This subject-matter does not appear in the Specification as accepted.
Patent GB-517416-A (GB)
Title: Improvements in and relating to the photographic reproduction of coloured objects
IPC: B65B13/02
Filed: 1938-04-27
Abstract: 517,416. Colour photography. KODAK, Ltd. April 27, 1938, No. 12572. Convention date, April 27, 1937. Drawings to Specification. [Class 98 (ii)] A colour photographic printing element has at least three photographic emulsion layers superimposed on a single support and containing the colour component images in the form of transparent dye images, and has in at least one of the layers a record of the colour component image recorded as a dye image in that layer in the form of a substantially neutral grey complementary image of lower maximum density than the dye image. Two or all of the layers may contain the neutral grey images. The yellow component image layer preferably does not contain a neutral grey image, and the neutral grey image in one of the other layers may be of lower density than that in the other. The neutral grey image may be a dye or metallic gold image. The colour component images may be produced by colour development, the colour formers being either in the colour developer or in the emulsion. In an example, an exposed film having three differentially sensitized emulsions superimposed on the same side of a single support which may be of glass or a cellulose ester is developed in an elonhydroquinone developer and the film is treated in a neutral potassium permanganate bleaching bath until the image in the top layer is removed and the image in the middle layer is partially reduced. The film is treated in a sulphite clearing bath, and the two silver images are toned to gold images, the gold toning being controlled to produce gold images of a desired gamma. The silver salt produced by the toning is removed by redevelopment and a permanganate sulphuric acid bleaching bath, a permanganate or acid bath, or a differential fixing bath comprising a saturated solution of silver bromide in water which contains 32 grams of ammonium hydroxide per litre. The reversed silver salt images in the three layers are then processed to colour as described in Specification 440,032. The neutral grey image may also be produced by the use of a grey dye whose silver salt is insoluble or by effecting the original negative development with a coupling developer producing a neutral grey dye image. Specifications 427,517, 427,518, 444,198, 454,498 and 512,608 also are referred to.
Patent GB-769807-A (GB)
Title: Improvements in or relating to a bucket tooth and tooth point therefor
Inventor: BAER JOSEF
IPC: E02F9/28
Filed: 1955-05-02
Abstract: 769,807. Earth-excavating apparatus. RUSTON-BUCYRUS, Ltd. May 2, 1955, No. 12673/55. Class 68 (1). A detachable bucket toothcomprises an internallyrecessed point .15 which is fitted over a complementary shaped nose 22 of a pointsupporting body 10 and is secured thereto against axial movement by a tapered key 45 that is driven through aligned keyholes 46, 50 in the point and keyway 38 in the body. The extent of the driving in of the key 45 is limited by a shoulder 47 on the key engaging the wall 41 of the point remote from. the side of entry into the point. Removal of the key is prevented 'by bending the leading end portion thereof into a recess 55 in the body 10. Additional unity between the point and the 66 dy when assembled is obtained by a dovetail tongue 42 that extends from the rearward edge of the upperwall 40 of the point, and a tongue 43 of rectangularcross-sectionextendingparallel to thefirst tongue andfrom the lowerwall 41 of the point engaging in complementary recesses 30, 35 in the body 10.
Patent GB-337721-A (GB)
Title: Process of and apparatus for distilling and gasifying solid fuels
IPC: C10B1/04
Filed: 1930-04-24
Abstract: 337,721. Metallges. Akt.-Ges. May 2, 1929, [Convention date]. Gas heating furnaces.-Solid fuel is distilled and gasified during its travel through a vertical shaft, the heat being applied by steam or gas which is superheated in zone 6 of a heating apparatus and passes through pipe 14 and apertures 16 to below zone 3 on the fuel shaft. The heater is supplied with refractory bodies which pass downwards from a zone 5 in which they are heated by gases from a burner 20, these hot gases passing through conduits 22, 23 to the fuel preheating zone 1. The heated refractory bodies then deliver their heat to the steam entering by pipe 13, and are returned by elevator 29 to the top of the shaft. A screen 27 is provided for sifting away crushed pieces of the heating bodies, thus maintaining these at a uniform size.
Patent GB-1516441-A (GB)
Title: Gas ingestion and mixing device
IPC: B01F3/04
Filed: 1976-03-30
Abstract: 1516441 Aerating liquids ENVIROTECH CORP 30 March 1976 [28 April 1975] 12712/76 Heading B1C Apparatus for mixing gas into a liquid comprises a tank 13 for holding a body of liquid, an impellor 29 fixed to a vertical drive shaft 27 for rotation in the liquid, a vertically-extending conduit 35 whose diameter exceeds that of the impellor and is arranged about the shaft to provide a channel of communication between a source of gas and the impellor and a baffle 49 fixedly mounted in the conduit and arranged to limit the extent to which in use a liquid vortex can rise in the conduit, the baffle having a central aperture therethrough. The baffle may be flat and horizontal or of inverted frusto conical shape Fig. 2, or with a downwardly and inwardly curving undersurface Fig. 3.
Patent GB-514175-A (GB)
Title: Improvements in or relating to safety razors
IPC: B26B19/18
Filed: 1938-04-28
Abstract: 514,175. Dry shavers. FAIREY, C. R. April 28, 1938, No. 12721. [Class 131] In a dry shaver having a fixed blade 12 a toothed guard plate 11 and a rotary cutter 14 (which may be spring-loaded) carrying straight or helical cutting blades 13, the relation between the gap A, Fig. 1, and the gap C for safe shaving is determined by the formula A x C = N1, the maximum and minimum values of A being À03 inches and À01 inches and of N1, being À003 and À0015. The value of C relative to the rotor diameter D is determined by the formula C3 - = N2, where N2 has minimum and maximum <p> values À002 and À03. The distance B of the cutting edge of the fixed blade 12 from its outer surface lies between À002 inches and À004 inches, the width T of the teeth of the guard plate 11 lies between À01 inches and À02 inches, and the width of the gap G lies between À03 inches and À01 inches. Extra teeth 16 without cutting edges may be provided between the blades solely for driving the rotor. The leading faces of the blades 13 are ground away at 13a to form cutting edges.
Patent GB-1321382-A (GB)
Title: Magnetic head
IPC: G11B5/265
Filed: 1971-05-03
Abstract: 1321382 Magnetic heads HAMILTON DIGITAL CONTROLS Inc 3 May 1971 [4 May 1970] 12724/71 Heading G5R In an arrangement for reducing cross-talk between a bank of write transducers 16 and a bank of read transducers 18, a low reluctance panel 38 is positioned between the banks and linked through further such panels 41 to a similar panel 39 having one edge near to the outer edge of the read head poles, i.e. as shown relative to a read pole 34 in Fig. 4. Crosscoupled flux thus has a low reluctance path from write pole 22 to read pole 34 by-passing the read coil, as arrowed. Best results are obtained with panel 38 offset somewhat to the write bank side.
Patent GB-838935-A (GB)
Title: Improvements relating to sheet metal fastening devices
Inventor: STRANGE JOHN
IPC: F16B5/12
Filed: 1957-04-18
Abstract: 838,935. Stud and socket fastenings. SIMMONDS AEROCESSORIES Ltd. April 18, 1958 [April 18, 1957], No. 12742/57. Class 44 A fastener comprises a strip of spring steel or other metal of similar resilience and hardness return bent at its central region to provide a pair of spaced arms 4, 5 which in the untensioned condition of the fastener extend in the same general direction approximately parallel one to the other and which are shaped to provide in the untensioned condition of the fastener, a snap-stud portion, the leading end of which is formed by the bight of the fastener, and the end portions 9, 10 of the fastener strip providing opposed inwardly extending teeth 2, the arrangement being such that with the free ends of the arms forced somewhat apart, the fastener may be applied to a sealing strip 12 so that the fastener extends substantially at right angles to the sealing strip and on release of the arms, the teeth penetrate the sealing strip to secure the fastener thereto and provide it with a snap-stud fastening means.