baber/WOPTO huggingface dataset:
Patent GB-803484-A (GB)
Title: Improvements in or relating to structural building units
Inventor: ISAAC GWYLON
IPC: E04B5/19
Filed: 1955-09-12
Abstract: 803,484. Reinforced concrete; floors; roofs; girders. PRE-STRESSED CONCRETE CO., Ltd. Nov. 28, 1956 [Sept. 12, 1955], No. 26057/55. Class 20(4) A slab for a large span floor or roof comprises a number of pre-cast pre-stressed concrete planks 1 arranged side-by-side with bars 3 projecting from the upper surface and light hollow boxes 5 of e.g. cardboard, placed along at least one plank and a continuous concrete layer 9 cast In-situ over the surface and covering the bars 3 which reinforces the joint between the concrete covering 9 and the planks 1. The planks 1 are pernanently supported on walls 2 and may have temporary intermediate supports if necessary. The bars 3 are U-shaped stirrups having hooked ends 4 and are cast in the planks 1 at equal intervals along their length. As shown, the boxes 5 are arranged in rows between the hooked ends 4, and transversely aligned spaces 7 are left between adjacent boxes in each row in which is placed a reinforcing bar 8. The in-situ concrete 9 penetrates between the rows of boxes 5 forming longitudinal concrete webs 10 and also into the spaces 7 forming transverse stiffening ribs and is tied to the planks by the stirrups 3. When an intermediate support is required but. is not available, a reinforced concrete beam may be constructed within the depth of the slab. Fig. 6 shows angle irons affixed to the ends of the planks 1 which are temporarily supported by props, and reinforcing bars 15, 16 placed in position. U-shaped bars 17 placed over the reinforcing bars have threaded ends 18 which project through holes in the angle irons 14 and are secured in position by nuts 19. The covering concrete 19 is cast around the bars 15, 16 to form the reinforced concrete beam which, when set, supports the bars 17 and the temporary props can then be removed. In Fig. 7 (not shown), an arched roof slab is formed by tensioning tie rods to the ends of the concrete planks, the slab then built up in the same manner as before. The boxes 5 alternatively may be formed of hollow tiles or solid blocks of lightweight material, e.g. aerated concrete, foamed slag or vermiculite. Specification 748,104 is referred to.
Patent GB-309203-A (GB)
Title: Improvements in the manufacture and production of cellulose esters
IPC: C08B3/02
Filed: 1927-10-03
Abstract: 309,203. Johnson, J. Y., (I. G. Farbenindustrie Akt.-Ges.). Oct. 3. 1927. Cellulose carboxylates.-To the acetylation or other esterification bath used for the manufacture of cellulose acetates or other cellulose carboxylates, there is added a naphthalene sulphonic acid substituted with one or more alkyl radicles such as propyl or higher alkyl groups, or a salt of such acid. To prevent separation of the addition to the bath, inert dissolving interrnediates or protective colloids such as the addition products obtained on treating oleic acid with sulphuric acid, may be added. In an example, cotton waste is acetylated in a bath consisting of acetic anhydride, acetic acid, sulphuric acid and isopropylnaphthalene sulphonic acid.
Patent GB-241896-A (GB)
Title: Mechanical pencil
IPC: B43K21/08
Filed: 1925-10-19
Abstract: 241,896. Deyhle, P. [Firm of]. Oct. 28, 1924, [Convention date]. Pencil holders.-The follower of a screw-propelling pencil is provided with portions which are movable in a radial direction under the action of guide-bars, and are automatically disengaged from co-operating screw-threads on the casing when the follower is in its forward position, thereby allowing the follower to be slidably withdrawn from the casing for insertion of a new lead, the follower becoming automatically re-engaged on replacement. An internally threaded sleeve 6, Fig. 1, rigidly secured within the casing 1 maintains a lead guide tube 14 in connection with. a member 15 into which is screwed a metal end-point 16. A split tube 5, rotatable within the sleeve 6, is provided with a disc or plate 8 which forms the bottom of a refill chamber 13 and supports two downwardly-extending guide-bars 9 of the shape shown in Fig. 4. The forward ends of the tube 5 and bars 9 are correspondingly tapered. The radially movable portions of the follower are supported in a cage 10, Fig. 1 .. 3, which is guided by the bars 9 and carries a push rod 12. On rotating the tube 5 by means of an end cap 2, the follower advances until it reaches the taper - ing portion of the tube, where the portions 11 are moved out of engagement with the threaded tube 6, from the position shown in Fig. 2 to that shown in Fig. 3, so that the tube 5 and the follower can then be withdrawn. On inserting a fresh lead 17 within the end 16 and re-inserting the tube 5, the push rod 12 abuts against the inner end of the lead, the outer end of which is held, and the guide-bars 9 on their inward movement move the follower members 11 outwardly into engagement with the threaded sleeve 6. A cap 7 on the front end of the tube 5 holds the ends of the bars 9 and guides the propelling- mechanism in a central position.
Patent GB-917040-A (GB)
Title: The production of crimped polyacrylonitrile filaments
Inventor: REEDER FRANK
IPC: D02J1/22
Filed: 1960-07-27
Abstract: Crimped polyacrylonitrile filaments are produced by passing polyacrylonitrile filaments which have been wet-spun and not subsequently dried at an elevated temperature and under stretching tension over an edge and subsequently immersing the stretched filaments, under conditions allowing them to shrink, in an aqueous bath at a temperature of 70 DEG -100 DEG C.  The edge may have a radius of curvature of 2 to 40 thousandths of an inch and may enclose an angle of 30 to 140 degrees.  The edge may be made of stainless steel, a ceramic material or compressed asbestos.  The filaments may be stretched to 8 to 14 times their original length while being maintained at 50 DEG -100 DEG C.; heating may be effected in 2 or more stages.  After passing the edge the filaments may be cooled by contact with air or water at 20 DEG C. before treatment in an aqueous bath containing a wetting agent at 80 DEG -92 DEG C.  The term polyacrylonitrile includes copolymers containing at least 80% acrylonitrile with styrene, methyl acrylate, itaconic acid, methallyl sulphonic acid and its salts, vinyl acetate and vinyl pyridine.  The crimped filaments obtained should be dried, preferably at 70 DEG -150 DEG C., under a tension preferably not exceeding 10 mgms./denier. The angle between the path of travel of the filaments approaching the edge and their path of travel when leaving the edge is preferably about 60-150 degrees; particularly 80-120 degrees.  Specification 910,323 is referred to.
Patent GB-584360-A (GB)
Title: Improvements in or relating to clips for securing piping or the like
IPC: F16L3/10
Filed: 1944-12-29
Abstract: 584,360. Clips for piping. RANDALL, R. J. Dec. 29, 1944, No. 26113. [Class 52 (iv)] [Also in Group XXXVI] A clip for securing a pipe, conduit, or the like to a support comprises a member 10 adapted to be fastened to the wall by a screw 13 and shaped to fit at least partly around the pipe and bent at 17 and 18 to form channels or grooves which receive edge portions 19, 20 of a second member 11, one or both of the channels and the corresponding edges 19 and 20 being inclined 'to the axis of the clip so as to produce a clamping action and one or both of the members 10, 11 being flexible.
Patent GB-320730-A (GB)
Title: Improvements in or relating to aircraft lamps
IPC: B64D47/06
Filed: 1928-09-13
Abstract: 32.0,730. Davis A. L. Sept. 13, 1923. Caps.-In a central type of navigation lamp for aircraft, a lamp bulb 8, fitted with one or more vertical filaments, is carried by a collar 9 slidably mounted in a cap 10 to which is riveted or brazed a hollow stem 11 of square or rectangular crosssection externally. The stem 11 is adapted to be closely embraced by a machined trough-shaped holder 14 and locked in position by a taper bolt 15, a transverse groove being cut in the top face of the stem 11 so as to allow the bolt to be inserted only when the stem is correctly placed in the holder. The holder 14 is prevented from turning by insulated position pins 30. Specifications 188,357; and 239,688, [Class 75 (iv), Lamps &c., Kinds &c. of], are referred to.
Patent GB-768726-A (GB)
Title: Electric lighting fittings
Inventor: DALLAWAY JOHN ROBERT
IPC: B60Q3/02
Filed: 1954-09-10
Abstract: 768,726. Switches held set and freed mechanically. WILMOT-BREEDEN, Ltd. Sept. 5, 1955 [Sept. 10, 1954], No. 26255/54. Class 38(5) [Also in Group XI] In a lamp fitting suitable for the interior lighting of vehicles, the insulating translucent channel-shaped cover 10, Fig. 3, normally separates a spring-contact member 9 from the earthed casing 4. When the cover 10 is moved into the dotted position, Fig. 2, the contact 9 engages the casing 4 to complete a circuit to the lamp 7 which is mounted between two spring blades 5, 6. The blade 6 is fixed to the contact strip 9 and also to a terminal 12 which may be connected to earth by another switch (not shown). The cover 10 pivots about a projection 10a and is held in place by spring blades. Its movement is normally limited by projections 10d, 4b, but these may be made to pass each other by squeezing the walls of the cover, and the cover then entirely removed.
Patent GB-326751-A (GB)
Title: A machine for harvesting root (and other) crops
IPC: A01D23/04
Filed: 1929-08-29
Abstract: 326,751. Norris, S. Aug. 29, 1929. Crops, root, digging and top. ping machines for; harvesting- machines.-Root or other crops are pulled from the ground by tines 9 carried by arms 8 extending from a rotary drum which may be provided with a fly-wheel. The tines impale the green tops of the roots, pull them from the soil, pass them across a fixed or rotating brush or scraper 10, and bring them against a fixed, reciprocating, band or rotary knife 11 that severs the roots from the tops. The roots fall down a grid 12 on to a conveyer 3 which carries them to the rear and deposits them in a waggon. The tops are removed from the tines by a rotary or reciprocating comb 15 and fall upon a transverse conveyer 13 that delivers them at the side of the machine. The moving parts of the machine are driven from a motor 2 on a main frame 1 carried by endless track chains 4. The convever is pivoted on the main frame and its inclination is adjusted by pins passing through holes in vertical members depending from forwardly-projecting brackets 14. The vertical members at their lower ends are attached to arms 5 pivoted on the main frame and supported by caster wheels 6, these arms being extended forwards to carry the tine drum. Handwheels 7 on threaded screws adjust the wheels 6 for height. In a modification the lifting tines are attached to the conveyer itself.
Patent GB-382382-A (GB)
Title: An improved method of and means for connecting pipes to the walls of enclosed receptacles, such as tanks or cylinders or surfaces the rear side of which is inaccessible
IPC: F16L41/14
Filed: 1931-09-21
Abstract: 382,382. Jointing pipes to tanks &c. GOLDFINCH, G. E., 12, Moorcroft Road, Wallasey, Cheshire, and BROTHERTON, W. R., 23, Cedar Grove, Waterloo, Liverpool. Sept. 21, 1931, No. 26319. [Class 99 (i).] A pipe is connected to the wall 2 of a tank &c. by means of a sleeve 3 which is internally threaded at 5 to receive the pipe and is formed at one end with a series of radial projections 6 or an interrupted flange adapted to be inserted through an aperture 1 of smaller diameter in the tank wall and to be held against the inner surface of the wall by a nut 15 screwed upon the other end of the sleeve. A washer 10, having a scarfed split 11, and a rubber ring 12, both larger than the aperture 1, are provided between the flange 6 and the wall 2, and a rubber ring 13 and a washer 14 between the nut 15 and the wall. The parts are assembled as shown by a tool comprising a rod 7 having a pivotal head 8 at one end in the form of a cross-bar.
Patent GB-634887-A (GB)
Title: Improvements in or relating to the method of, and apparatus for, the production of pre-formed building units
IPC: E04C2/04
Filed: 1947-09-30
Abstract: 634,887. Making compound building units ; walls ; bricklayers' guides. BRADLEY, J. W., and BRADLEY, E. Sept. 30, 1947, No. 26357. [Classes 20 (ii), 20 (iv)] and 87 (i)] In a method of making building units from a number of bricks having machined and recessed bonding faces 42, 43, as described for example in Specification 634,886, laid in face to face contact and secured together by mortar subsequently run into the recesses, a jig is employed consisting of top and bottom plates 32, 31 between which are vertical rods 34, 36 for positioning the bricks laterally in the various courses. For a unit having stepped ends, a member 52 carrying pegs 51 is provided, while for straight ends vertical rods are provided. The vertical rods are fixed to the top plate 32 and engage holes in the bottom plate 31. The recesses in the bricks may receive metal tie members 44, 46 some of which project at 47 from the sides of the unit to facilitate lifting. Apparatus is described for making plane units, Fig. 8, having one or both ends stepped, units for comers, wall junctions, bays, chimneys and cavity walls. In the latter case, inner and outer skins are connected by metal ties 83. provided with slots 87 and recesses 88 to receive screwed clamping rods which hold the bricks together during assembly and transport of the units. Slotted horizontal tie bars 93 are engaged with the clamping rods to further hold the bricks together. Vertical screwed rods and horizontal tie bars are used during erection of a wall to hold units together until the jointing material has set. To facilitate the laying of units, U-shaped guide members 112 having tapered ends 113 may be temporarily secured to the tie members 83 so as to project beyond the edges of the units.
Patent GB-284027-A (GB)
Title: Improvements in structures comprising room spaces and a corridor
IPC: B61D1/04
Filed: 1926-10-23
Abstract: 284,027. Stone &. Co., Ltd., J., (Darker, A. H.). Oct. 23, 1926. Seats, disposition of.-In structures comprising a series of room spaces or compartments a and a corridor n communicating therewith, such as railway carriages, the corridor is widened at intervals so as to allow two persons to pass each other with greater facility by forming recesses g in the inner wall of the corridor, while, in order to allow one or two persons to sit within the recesses hinged or folding seats h, k, which may also be removable, are mounted on short wall portions e or on the outside of one or both doors f.
Patent GB-350833-A (GB)
Title: Improvements in or relating to the production of coated fabric material resistant tothe growth of fungus
Filed: 1930-09-05
Abstract: A fungus resistant and waterproof fabric comprises a fabric impregnated with a fungicide and a superposed layer of plastic waterproof material such as rubber.  Preferably the fungicides are slightly soluble heavy metal salts of organic acids having antiseptic properties such as zinc salicylate or benzoate, but pine tar may be used.  The plastic coating may contain a fungicide, acid-proofing material such as paraffin or fire-resisting substances such as barytes, asbestos, silex and lithopone.  In an example, a heavy fabric such as duck, drill or an Osnaburg is impregnated with an aqueous 2 1/2 per cent solution of zinc salicylate.  After drying, a rubber composition containing crude rubber, litharge, sulphur, barytes, zinc salicylate, pine tar and paraffin dissolved in gasoline is applied to one or both sides of the fabric, and subsequently vulcanized at about 250 DEG  F. for 2 1/2 hours.  When used for mine ventilating tubing, one side only of the fabric need be coated and the plastic composition should contain from 5 per cent to 10 per cent of acid proofing material.
Patent GB-1076439-A (GB)
Title: Process for the production of hydroxy-methyl-substituted organosiloxanes
Inventor: NIEDERPRUM HANS
IPC: C08G77/14
Filed: 1966-06-15
Abstract: An organosiloxane which contains at least one unit of the formula <FORM:1076439/C3/1> in which m is 1 or 2, any remaining units being of the formula <FORM:1076439/C3/2> in which n is 1, 2 or 3, and each R is an alkyl or aryl radical, is made by reacting an acyloxymethylsilicon compound which is either a silane of the formula <FORM:1076439/C3/3> or a siloxane containing at least one unit of the formula <FORM:1076439/C3/4> any remaining units having the formula <FORM:1076439/C3/5> in which formulae R1 is H, CH3, C2H5, C3H7 or C4H9 and R11 is OCH3, OC2H5, OC3H7 or OC(O)R1, at a temperature between 0 DEG  and 100 DEG  C., with an alkali metal borohydride and with BF3, BCl3, BBr3 or a silane of the formula RaSiCl4- a, in which a is 0, 1, 2 or 3, hydrolysing the primary product so obtained with an aqueous mineral acid or an alkali metal hydroxide solution, and recovering the hydrolysate.  The reaction is preferably effected in an inert solvent or diluent, e.g. tetrahydrofuran, tetrahydropyran and diglycoldimethylether.  Examples of the above process are given. Uses-as intermediates for the preparation of esters, urethanes, acetals and polyethersiloxanes and for the modification of polyesters and polyurethanes.
Patent GB-1309820-A (GB)
Title: Gatecontrolled phase failure protection circuit
IPC: H02H3/10
Filed: 1970-06-03
Abstract: 1309820 Protective arrangements ALLENBRADLEY CO 3 June 1970 [9 June 1969] 26751/70 Heading H2K To protect against phase failure in a polyphase load circuit, e.g. of a motor 1, an "exelusive-or" gate is connected to a protective arrangement such as the overload protective arrangement of Specification 1,309,819, the inputs to the gate being provided by separate means, e.g. current transformers 34 ... 36 and diodes 37, associated with the respective phases 3 ... 5, and the output of the gate serving to trigger the silicon controlled rectifier 21. The rectifier turns on to shunt the gating signal from the triac 15 which ceases to conduct, so that the coil 7 is de-energized to open contacts 6. The "exclusive or" gate comprises a "not and" circuit formed by series-connected transistors 39, an "or" circuit provided by parallel connected transistors 40 and an "an" gate formed by transistors 41, 42. When current flows in all three phase conductors 3 ... 5, the transistors 39 are rendered conductive to cause transistor 41 to be non-conductive. The transistors 40 also conduct to cause transistor 42 to conduct. Should a phase fail one of the transistors 39 ceases to conduct so that the voltage drop across the series circuit through the transistors 39 is now sufficient for the transistor 41 to conduct. With both transistors 41, 42 conducting, the SCR 21 is triggered. When there is no current in any of the phases, none of the transistors 40 conduct so that transistor 42 is non-conducting.
Patent GB-1536530-A (GB)
Title: Digital magnetic recording circuitry
IPC: H04L25/49
Filed: 1977-06-28
Abstract: 1536530 Digital magnetic recording circuits HONEYWELL INFORMATION SYSTEMS Inc 28 June 1977 [28 June 1976] 26954/77 Heading G4C A timing window of half a data cell width is provided to determine whether a data bit occurs in the half cell period following that in which a clock bit occurred with a tolerance of a quarter of a cell width. As described each input bit (clock or data) sets bi-stables S1, T1 (Fig. 2), the latter feeding a delay line comprising shift registers SR1, SR2, SR3 (clocked 8 times per half cell period and through which clock and data bits are stepped) and the former controlling the setting of bi-stable CD in the middle of the half cell period following a clock pulse and the setting of bi-stable DD in the middle of the half cell period following a data pulse provided it was preceded by a clock pulse. The bi-stable DD supplies the output data bits via register Q1, Q2 provided marker circuitry MD has detected an address mark. The bi-stable DD is set providing a data bit is in shift register SR1 when the preceding clock bit provides a sampling signal A12.
Patent GB-1562149-A (GB)
Title: Bath tubs
IPC: B29D22/00
Filed: 1977-06-28
Abstract: The plastic bathtub is provided with a peripheral tub edge (2) bent downwards. In order that said edge can absorb all the loads occurring, it is filled at least in partial regions with a hardened compound (4). <IMAGE>
Patent GB-962451-A (GB)
Title: Improvements in or relating to ceramic panels and components
Inventor: BENNETT ARTHUR
IPC: F25D23/06
Filed: 1959-08-07
Abstract: 962,451. Refrigerators; space heating radiators. ENGLISH ELECTRIC CO. Ltd. Oct. 27, 1960 [Aug. 7, 1959], No. 27066/59. Headings F4H and F4S. [Also in Divisions B1 and B5] A hollow ceramic panel or a bowl-shaped component, particularly for refrigeration, as shown, comprises walls 11, 13 separated by four pillars 16 and is provided on two edges with rabbets 20 and on each of the remaining edges with two indents for fixing purposes. One face of the panel is corrugated, the other face having dimples 14 corresponding to the pillars. The panel is formed in an absorbent mould of plaster of Paris and may be evacuated and given a gloss or metal finish. For use in a space-heating installation water may be circulated through the panel which in the form of the bowl-shaped component is particularly appropriate for use as at least one wall of a domestic refrigerator.
Patent GB-727509-A (GB)
Title: Improvements in or relating to relay adding or subtracting circuits
Inventor: CARTWRIGHT JOHN ROBERT
IPC: G06F7/40
Filed: 1952-10-28
Abstract: 727,509. Digital electric calculating-apparatus. BRITISH TABULATING MACHINE CO., Ltd. Sept. 15, 1953 [Oct. 28, 1952], No. 27076/52. Class 106 (1). In apparatus for " summing " (i.e. adding or subtracting) two or more numbers comprising a group of electromagnetic relays for each number, separate means for selectively and directly energizing the relays of each group to represent the numbers to be summed, and switches controlled by the relays and connected to complete sum circuits to the relays of one group, electrical means prevent actuation of these relays to represent the sum until the energizing means are rendered ineffective. In the apparatus shown, two binary numbers to be added are registered on sets of relays R1, R2, R3. and R4, R5, R6 by selectively closing switches 4 and 5; each relay, if energized (to represent " 1 "), is held through a circuit between supply lines 2 and 3 and including a switch 7 and contacts a. The relays R1, R2, R3 each have a second coil arranged to be energized through a condenser 12 to register the sum. The pair of relays, such as R2, R5, for each binary denomination control a contact network which supplies an operative potential received from a left or right input line, corresponding to " no-carry " and " carry " respectively, from the preceding denomination, to the appropriate output carry line leading to the next denomination, the potential being supplied from line 1 to the lowest denomination through a switch 6; the denomination networks are connected also to sum output lines leading to the condensers 12, and include isolating rectifiers 8-11. In operation, after the numbers have been entered, the switch 6 is closed and current flows from selected sum outputs through resistors 14 to charge up associated condensers 12; the corresponding relays R1, R2, R3 are not energized due to the low impedance path provided by rectifiers 13. When the switch is re-opened, however, the condensers discharge through the relay coils to register the sum, the relay holding circuits being opened and re-closed by operating switch 7 to clear the previous registration. In a bi-quinary decimal-coded arrangement (Figs. 2 and 3, not shown), in which two relays are energized for each decimal digit (including " 0 "), to facilitate checking, the quinary sections include separate contact chains for obtaining the sum and carry digits. Reference is made also to other coded arrangements, e.g. duo-decimal, and to the use of contact networks, e.g. as described in Specification 685,441, for subtraction or for simultaneous addition of three numbers. The Provisional Specification refers to Specification 704,860.