baber/WOPTO huggingface dataset:
Patent GB-383416-A (GB)
Title: Improvements in centrifugal separators
IPC: B04C1/00
Filed: 1931-11-16
Abstract: 383,416. Centrifugal gas cleaners. HOWDEN & CO., Ltd., J. and HOWDEN, W. H., 195, Scotland Street, Glasgow. Nov. 16, 1931, No. 31641. [Class 23.] A centrifugal separator for removing dust from gases has a scroll or spiral intake casing with a scroll plate 1, Fig. 1, provided with spaced groups 5 of apertures through which the dust is discharged. The dust collector may be a hopper 2 as shown, or may be an annular chamber round the plate 1. The separator is used in conjunction with a fan of the type described in Specification 295,018, [Class 110 (i), Centrifugal and screw fans &c.], and the collector 2 is connected by a pipe 7 to the fan intake. Each group 5 consists of a number of apertures 12, Fig. 4, which may be countersunk in the plate 1 ; or they may be provided in renewable plates 13, Fig. 5, fitted to be flush with the interior surface of the plate 1. The apertures 12 may be circular, triangular or polygonal.
Patent GB-857396-A (GB)
Title: Improvements in or relating to refrigeration apparatus
IPC: F25D23/10
Filed: 1958-10-03
Abstract: 857,396. Refrigerators. BOSCH G.m.b.H., R. Oct. 3, 1958 [Oct. 5, 1957], No. 31641/58. Class 29 In a refrigerator, the rear finned condenser 8 is carried by bracket 7 on the motor compressor casing 5 which is supported at each side by a resilient cushion 12 on a cross frame member 15, the condenser being steadied by one or more resilient cushions carried by the rear wall 14 of the cabinet. A s shown, the latter cushions each comprise a bush 24 on one of the horizontal runs of the condenser and engaged by a hook 22 hinged to the rear wall 14. In a modification, a cross member fixed at its ends to the rear wall and extending behind the condenser carries resilient cushions engaging with the rear edges of the condenser fins
Patent GB-1344592-A (GB)
Title: Apparatus for sorting coated articles such as sweets
IPC: B07C5/06
Filed: 1972-07-06
Abstract: 1344592 Size-sorting apparatus BOEHRINGER MANNHEIM GmbH 6 July 1972 [8 July 1971] 31751/72 Heading B2H Apparatus for sorting articles, e.g. sweets or tablets, according to diameter and thickness comprises an adjustably downwardly inclined, oscillatory, circularly perforated plate sorting device 4 which is driven through two eccentrics 8 and a roller-type sorting device 13 arranged below the sorting device 4 and having a gradually widening sorting gap between adjacent contra-rotating rollers 13a. Articles to be sorted are delivered by means of a pneumatic conveyor tube 1 to a charging hopper 3 which contains a level switch 6 coupled to a solenoid valve 7 controlling the supply of compressed air to the conveyor tube. A resilient baffle or helical plastics member 5 in the container prevents the articles from being damaged. The articles slide from the hopper 3 on to the oscillatory perforated plate 4 where: articles having less than the required diameter fall through small perforations into a funnel 9 and a reject container 10; articles of the required diameter fall through larger perforations along guide plates 11 into two charging hoppers 12 for the sorting device 13; and articles of too large diameter slide from the plate 4 down a guide 14 into a reject container 15. From the hoppers 12 the articles are passed through two vibratory chutes 16 and tubes 17 to the rollertype sorting device 13 where each pair of adjacent contra-rotating rollers 13a which do not form a sorting track are covered by a plate 30. Riders 18 and bars 20 guide the articles between the sorting rollers. Articles which are too thin fall through the narrower part of the gap between adjacent rollers into a reject container 22; articles of the correct thickness fall through the majorpart of the gap along guide plates 23 into containers 24; and articles which are too thick fall through the wider part of the gap and off the rollers into a  hopper 25 and a reject container 26.
Patent GB-405767-A (GB)
Title: Improved means for cement grouting
IPC: E02D3/12
Filed: 1932-11-10
Abstract: 405,767. Piles. LEEDS, K. F. N., Werrington House, Werrington, Peterborough. Nov. 10, 1932, No. 31809. [Class 68 (ii).] A device for introducing cement grout into substrata for strengthening them comprises a length a of tube with four equiangularly spaced series of oblique slots b, a shoe c and at its upper end a sleeve e. Sliding on the tube a is a sleeve f with a series of round apertures g, corresponding with the slots b, and a helical fin h. A grub screw i on the sleeve f engages in a slot j, in the tube a, the length of the slot being equal to that of a slot b, plus twice the diameter of the screw i, the arrangement being such that when the screw i abuts against the upper end of the slot j the fin h lies in the same helix as the fin d on the shoe c. The device being screwed into the ground, the fin h causes the tube f to rise and to close the apertures b. When the rotation is reversed, the apertures b, g coincide, and cement grout, supplied through a coupling r and a spring-supported valve p, can be pumped through them.
Patent GB-323847-A (GB)
Title: An improved method of coating metal articles with metals
IPC: C25D5/14
Filed: 1928-11-01
Abstract: 323,847. Bosse, J. von. Nov. 1, 1928. Coating.-In a process of applying two or more different metal coatings to a metal, the first coating is freed from occluded gas and cleaned by subjecting it to an electric discharge in a vacuum as described in Specification 286,632, [Class 39 (i), Electric lamps, Arc &c.], and the second coating is then applied and may be treated in the same way. The process may be used for obtaining a hard track for a cylinder of an internal combustion engine, in which the track is nickelled and coated subsequently with chromium.
Patent GB-613436-A (GB)
Title: Improvements relating to liquid level indicators
IPC: B67D7/56
Filed: 1945-11-27
Abstract: 613,436. Indicating liquid - levels. HUGHES, R. M. (Scully Signal Co.). Nov. 27, 1945, No. 31955. [Class 123(i)] A filling nozzle 2, Fig. 1, for location within the filling neck &c. of a tank, is provided with a whistle 56 adapted to give an audible signal when the level in the tank reaches that determined by the open lower end 20 of a tube 18 which extends along said nozzle. The whistle opening is normally closed by a ball 60 housed in a passage 54, and both the latter passage and the upper end of the tube 18 open at 16, 14 respectively into a venturi section 12 of the nozzle, the arrangement being such that when the liquid in the tank reaches and closes the tube end 20, the suction created in the section 12 will be sufficient to raise the ball 60 and operate the whistle. In a modification, Fig. 6, the ball 60 is guided in a tube 68, this tube and the tube 18 communicating with the nozzle 2 through a common opening 10 and the nozzle being fitted with a semi-circular transverse suction creating baffle 6. The nozzle may be supported in the filling neck with the end 20 of the tube 18 at the required level, by a band clip 88, Fig 7, having its free ends sufficiently long to extend over the space between, preferably, the nozzle, the edge of said neck and the nozzle 2 being provided with one or more clip-positioning notches or graduations 86. In further modifications the whistle and ball are replaced by a pair of balls or clappers or piston-like members, which are caused to reciprocate and produce a chattering sound when the tube 18 is closed by the ,rising liquid.
Patent GB-287233-A (GB)
Title: An improved machine for dyeing or similarly treating fabrics with liquids
IPC: D06B3/10
Filed: 1926-12-17
Abstract: 287,233. Bailey, J., and Wadsworth, W. H. Dec. 17, 1926. Ziz-zag roller machines; fresh liquors, supplying and distributing. - Fabric F, preferably first passed through a preparing tank c and over a cooling device d and through nip and draw rollers d', is passed under an opening bar j and then zig-zag over and under rollers e of which certain of the upper rollers are driven, over another open. ing bar k, between nip rolls g, and over overhead rollers h to a cuttling device i, or a batch roll, at the feeding end ot the machine. Liquor to replace that withdrawn by the fabric is admitted from a container r with strainer r<1> through a regulating cock s and transverse pipe t behind a partition v, being distributed by paddles w , u<1>. Steamheated pipes may be provided at the bottom of the vessel a. The vessel a may be divided into a number of sections by transverse partitions.
Patent GB-214180-A (GB)
Title: Improvements in apparatus for mixing concrete or other materials
IPC: B28C5/20
Filed: 1923-12-22
Abstract: 214,180. Fowler & Co. (Leeds), Ltd., J., and Wilcock, C. M. Dec. 22, 1923. Rotary batch-mixers. - The bodv A of the mixing drum for concrete &c. is made of heavy cast steel, the heads D, buckets E<1>, and flights E<2> being of light pressed steel. The buckets and flights are disposed so as to confine the mixing to the drum body, which is formed with a flange B for the attachment of the driving member C.
Patent GB-1243485-A (GB)
Title: Device for locking the carriage of an electric typewriter
Inventor: NAVONE LORENZO
IPC: B41J/
Filed: 1970-07-02
Abstract: 1,243,485. Typewriters. ING C. OLIVETTI & C. S.p.A. 2 July, 1970 [15 July, 1969], No. 32253/70. Heading B6F. A carriage locking device for an electric typewriter comprises a motor switch 1 operating contacts 9, 10 and which is mechanically coupled to a locking member 31 resiliently biased against a movable guide 33 of the carriage of the typewriter so that it will notch into a slot 32 when the carriage is central and the motor switched off. In the Figure the switch 1 is in the off position, contacts 9, 10 are open and a link 11 draws a locking bail 14 beneath all keys 17 to prevent operation. A crankpin 18 also pulls a slider 19 forwardly which pivots lever 24 clockwise. A resilient connection 26, 27, 28 urges the locking member 31 against the guide 33. The slider 19 is also coupled to a carriage-return clutch 42 by a bellcrank 21 and a slotted connection 37, 38. The forward movement of the slider 19, in a switching off movement, disconnects the clutch which is held disengaged by a latch 45, 44 until a carriage return key, connected to tie rod 48 is subsequently operated. (For Figure see next page.)
Patent GB-1080493-A (GB)
Title: Improvements in or relating to engine pistons
IPC: F16J1/00
Filed: 1966-07-18
Abstract: 1,080,493. Pistons. TRW Inc. July 18, 1966 [Aug. 19, 1965], No.32258,166. Heading F2T. In a piston 10 comprising a head 11 having one or more piston-ring grooves 13, a pair of gudgeon-pin bosses 14 and a skirt 16 depending from the head, the skirt comprises opposed cylinder wall contacting outer portions 18 centred on a diametral line normal to the gudgeon pin axis and inner portions 17 located at the inner ends of the bosses 14 and joined to the outer portions 18 by curved portions 19. The bottom of the skirt may be scalloped. Peripheral slots (21, Fig. 6) may be provided in the bottom ring groove and a vertical slot (22) or inclined slots (24, Fig. 7) may extend from the slots (21) into the skirt 16.
Patent GB-1277196-A (GB)
Title: Improvements in or relating to panels made from blocks or tiles
IPC: E04F13/08
Filed: 1968-07-05
Abstract: 1277196 Composite block or tile panel REDLAND BRICKS Ltd and R A G POULTON 2 July 1969 [5 July 1968] 32279/68 Heading B5N [Also in Divisions B6 and E1] A panel comprises a rigid backing panel 13 and a plurality of spaced apart tiles or blocks 14 each in contact with one face of the backing panel and secured thereto by an adhesive synthetic resin 16, which fills the spaces between the tiles or blocks to a depth from the backing panel which is a fraction of the thickness of the tiles or blocks. The tiles or blocks may be chamfered to the depth of the resin. The backing panel may comprise a layer of foamed plastics material, e.g. polyurethane or polystyrene, or wood wool, and a layer of asbestos 12 may also be incorporated. The tiles may be ceramic tiles or concrete blocks. The resin may be an epoxy resin. The backing panel may include one or more reinforcing members in contact with the tiles and secured thereto by the resin. The panel may be made by placing the backing panel and tiles in a mould and then applying the resin to the required depth.
Patent GB-502203-A (GB)
Title: Expansible cutter tool
IPC: E21B10/32
Filed: 1937-11-24
Abstract: 502,203. Well - drilling tools. MAC CLATCHIE MANUFACTURING CO. OF CALIFORNIA. Nov. 24, 1937, No. 32388. Convention date,.Nov. 30, 1936. [Class 85] An expanding tool for enlarging wells &c. comprises a body carrying a cutter movable relative thereto, a movable mandrel, the periphery of which is overlaid by the cutter, and an operative connection betweer the mandrel and the overlying part of the cutter for moving thE cutter to expanded position on movement of the mandrel rela. tively to the body. The body 1 has non-radial slots 4 in which cutters 7, on pivots 8, are arranged so that lugs 11 thereon overlie the periphery of an axially movable mandrel 6. The mandrel is hollow and pressed by a spring 30, the bore of the mandrel being re: stricted by a plug 20 when the mandrel is in raised position. Pressure fluid admitted to the body depresses the mandrel and lugs 12 thereon engage the lugs 11 to expand the cutters into engagement with the wall of the well, some of the fluid passing through ports 18 to the cutters ; the weight of the drill string completes movement of the cutters to move lugs 11 clear of the lugs 12. ,
Patent GB-833992-A (GB)
Title: Improved windows
IPC: E06B3/28
Filed: 1955-11-12
Abstract: 833,992. Windows. CARR, H., and CARR, R. V., [trading as METAL WINDOW SERVICES CO.]. Nov. 7, 1956 [Nov. 12, 1955; Dec. 7, 1955], Nos. 32390/55 and 35062/55. Class 20(3) A window comprises a wooden frame 1 having a rebate 4 around its inner edge 2 to receive a resilient sealing strip 5 which, when the window is closed, is engaged by the inner flange 3b of a Z-section metal sash frame 3. A pane 6 is secured by putty 7 to the inner flange 3b of the frame 3, the outer flange 3a of which overlaps the frame 1 adjacent the rebate 4. In a modification a sliding pane is mounted in guide channels in an auxiliary frame secured to the inner side of the frame 1, the part of the auxiliary frame -which receives the sliding pane when open being provided with a cover board accommodated in a cavity in the surrounding wall structure. A resilient strip is fitted into a rebate in the vertical side of the auxiliary frame which is engaged by the sliding pane when it is shut. There may also be a resilient strip between the opposite stile of the frame 1 and the sliding panel. In a further modification, Fig. 5, four sliding panels 24...27 are arranged on the inner side of window composed of side hinged sashes 18, 19, central fixed panes 20, 21 and upper fanlights 22, 23.
Patent GB-362608-A (GB)
Title: Method of electroplating metal alloys containing chromium
IPC: C25D5/40
Filed: 1930-10-28
Abstract: Metal alloys containing chromium, particularly stainless steels, are prepared for electroplating by coating with a metal by fusion deposition.  The metal applied by fusion deposition may be tin, zinc, cadmium, lead, or alloys of these metals, and may be similar in composition to hard or soft solder, and the coating may be brushed while still liquid to reduce its thickness.  The electroplated coating may be of copper, nickel, silver, &c.
Patent GB-1457001-A (GB)
Title: Surface covering materials
IPC: B44C3/02
Filed: 1973-07-06
Abstract: 1457001 Laminates MARLEY TILE CO Ltd 1 Feb 1974 [6 July 1973] 32411/73 Heading B5N [Also in Division B2] A surface covering material, e.g. for floors, walls, shelves and working tops, which has a textured effect is produced by a process which comprises (a) applying a first foamable resinous composition on to a substrate to provide a layer with a substantially flat surface, (b) applying a second foamable resinous composition to a thickness of not greater than 0À006 inches on to selected areas of the surface of the first foamable resinous composition, (c) applying at least one essentially non-foaming layer over the first and second foamable resinous compositions and (d) heating to effect foaming of the first and second foamable resinous compositions, the first and second foamable resinous compositions being selected so that upon heating substantial foaming of the second foamable resinous composition occurs before any substantial foaming of the first foamable resinous composition. The substrate may be a non-woven or woven fabric of glass fabrics, asbestos paper, a pre-formed film or a film casting support, e.g. a treated paper, which may be removed after the heating step and a permanent backing layer, e.g. of polyvinyl chloride, then applied. The substrate may have one or more layers of resinous compositions applied either to the side to which the foamable resinous composition is applied or to the reverse side thereof. The foamable compositions may comprise polyvinyl chloride or a copolymer of vinyl chloride with vinyl acetate or vinylidine chloride, plasticizers, stabilizers, blowing agents, fillers, viscosity modifiers, volatile additives and pigments. The difference in foaming properties between the first and second compositions may be obtained by use of different blowing agents, by the use of the same blowing agent in different quantities and/or different physical form, by the use of different stabilizers or by the use of different polymers. The first foamable composition may be applied using a doctor blade or air-knife to a thickness of at least 0À005 inches, dried by infra red or hot air heating at a temperature of about 140 C., cooled by the contact with watercooled rollers and the second foamable composition applied by rotary screen printing. The overall layer may be a pre-formed film applied by calendering or a polyvinyl chloride plastisol which may be applied using a doctor blade, airknife, rotary screen printing equipment, reverse roll or curtain coating. The overall layer may be transparent or translucent in which case the first and second foamable compositions may be pigmented, or opaque in which case pigments may be incorporated into the overall layer. The overall layer may be printed with a decorative pattern and an overall transparent wear layer, e.g. of polyvinyl chloride, provided, e.g. in the form of a calendered film or plastisol. Heating to effect foaming may be carried out at 165- 200 C. in an oven.
Patent GB-229809-A (GB)
Title: Improvements in or relating to electric induction heating apparatus, particularly for smelting purposes
IPC: H05B6/04
Filed: 1923-12-31
Abstract: 229,809. Electrical Improvements, Ltd., and Grant, L. C. Dec. 31, 1923. Thermionic generators.-The inductor coil of an induction heating apparatus, particularly for smelting purposes, is energized by a thermionic valve circuit comprising two valves or valve sets having their plates so connected to an alternating supply source that each is operative in turn. As shown in Fig. 1, two valves or sets of valves A, B are used as oscillation generators, their filaments being supplied in parallel by the transformer C, C<1> and their plate circuits energized in opposite phase by the transformer D, D<1>. The centre points of the two transformer secondary coils are connected. High-frequency chokes D<2>, D<3> are connected in the plate leads, and the secondary coil D<1> is shunted by a by-pass condenser D<4>. The frequency of the oscillations is determined by a circuit G, H, one terminal F<2> of the condenser G being connected to the valve grids through a leak resistance F shunted by a condenser F<1>, the other terminal E<a> being connected to the valve plates through blocking- condensers E, E<1>. The filaments are connected to an adjustable tapping on the coil H. The coil H may itself act as the heating inductor, or a separate inductor coil may be connected across the terminals E<2>, F<2>. In a modification, the filaments are connected to the terminal F<2>, and the grids are connected to the filaments through a separate coil coupled to the coil H and shunted by a tuning condenser.
Patent GB-538163-A (GB)
Title: Improvements in duplicating machines
IPC: B41L11/00
Filed: 1939-12-21
Abstract: 538,163. Copying documents. FORD, F. R. Dec. 21, 1939, Nos. 32642/39 and 17808/40. [Class 100 (ii)] A mirror-script duplicator' has a' carriage traversed parallel to the shaft 15 of the cylinder 13 and provided with pressure rollers 40 and moistening members 73 both of line or paragraph width, the carriage also having a member 77 for pressing the copy sheets against the moistening member 73, the pressing member 77 being automatically raised once each revolution of the cylinder to allow the insertion of a copy sheet. The cylinder is checked by a spring- pressed roller 19 engaging a notch 18 and at this point a cam 20 engages a roller 83 carried by a bar 86 which raises the levers 78 carrying member 77. Rollers 40 are carried by spring- pressed stems 43 raised by levers 57 and held raised by manual detents 62. The moistening members 73 have handles 87. The carriage is traversed along rods 21, 23, the latter being engaged by adjustable rollers 38, and carries a tray 63 for a line-indicator sheet, a tank 24, and a feed-tray 26. The carriage carries a pivoted lever 109 engaging a helical groove on rod 21 which is rotated through gearing by a crank 114 which is so arranged that one turn of the crank moves the carriage by the width of one line. Crank 114 has a boss 119 engaged by a spring- pressed ball 118 to check the crank at each rotation. The feed tray 26 forms the subjectmatter of Specification 538,180 and is adjustable along a rod 94 carried by the support frame 25 and is held by a spring-pressed pawl 97 engaging a rack 99 in the frame 25. Alternative means for traversing the carriage, as in a typewriter, consists of a flexible connection to a spring drum, the carriage having a step-by-step release, Fig. 9. The carriage is moved against the spring by a reciprocating ratchet-rack 126 operated by a handle 129 and engaging a spring pawl 134 carried by a bracket 132 on the carriage. Rack 126 is mounted on a bar 124 having rack teeth 125 engaged by a pinion 141 loose on a spindle 137. Pinion 141 has a flange. 142 with a pawl 143 engaging a ratchet wheel 145 fixed to spindle 137. Ratchet wheels 138, 144 are also fixed to this spindle, wheel 138 being engaged by a pawl 139 and wheel 144 by two pawls 153, 154 pivoted on a lug carried by key 147, depression of which allows a one-step release of the carriage. Key 147 is also depressed by a bar' 165 actuated by a lever 164 engaged by a cam 163 on the cylinder, so that key 147 is automatically depressed at every rotation of the cylinder. Lever 164 can be moved out of the path of cam 163 for manual actuation of the carriage. Specification 483,287 also is referred to and Specifications 440,334, 486,799 and 496,493 are referred to in the first Provisional Specification.
Patent GB-281485-A (GB)
Title: Improved cutting machine for partition slabs, floor tiles and the like
IPC: B28D1/22
Filed: 1926-12-24
Abstract: 281,485. Higgs & Hill, Ltd., and Nevin, F. S. Dec. 24, 1926. Trimming slate and the like.-Partition slabs, tiles or the like are divided in a machine comprising upper and lower serrated members 7, 4 with pyramidal teeth, which are caused to approach one another, as shown, by screw and nut gear 9, 11, with an operating handle 10. One or other of the serrated members may be replaced by a knife edge, and their relative motion may be effected in other ways, as by pivoting them together. Specification 24457/07 is referred to.