baber/WOPTO huggingface dataset:
Patent GB-1489337-A (GB)
Title: Space heating appliances
IPC: F24C15/00
Filed: 1974-11-07
Abstract: 1489337 Outlets to flues; space heating apparatus UNITED GAS INDUSTRIES Ltd 7 Nov 1974 [13 Nov 1973] 52549/73 Headings F4W and F4S A gas- or oil-fired space heater comprises a duct assembly forming a connection between an exhaust gas outlet duct 20 and a combustion air inlet duct 30, (Fig. 1) and a balanced flue, the assembly including ducts 22, 28 which turn through 90 degrees along their lengths and being detachably secured so that the assembly may be detached, turned so that the ducts 22, 28 are directed in a different direction and re-attached. The balanced flue can thus be disposed largely inside the building or can extend directly through an outside wall thereof. In the form shown, the assembly is secured in place by bolts or screws in uniformly spaced holes in a square flange 24. The combustion air inlet duct (30) communicates with the inlet of a centrifugal fan (16) which discharges combustion air through an opening 14 into a combustion chamber 13 containing a gas or oil burner (11). The electric motor (17) which drives the fan (16) also drives a vane for cooling the motor. Combustion products are passed from the combustion chamber 13 to the exhaust duct 20 via a ribbed heat exchanger 19. A cross-flow fan 32 delivers air from a grille in an opening 33 downwardly through passages in front of chamber 13, between chamber 13 and heat exchanger 19 and therebehind to a grille in an opening 34, leading to a space to be heated. A casing 35 for the heater includes a punch-out opening 36 for optionally delivering heated air to a further space when the heater is mounted on or gainst an interior wall.
Patent GB-1404849-A (GB)
Title: Carpet and preparation thereof
IPC: A47G27/02
Filed: 1972-11-15
Abstract: 1404849 Foam-backed carpets DOW CHEMICAL CO 15 Nov 1972 [17 Nov 1971] 52843/72 Heading B2E [Also in Divisions C3 and D1] A resilient foam backing of a pile carpet comprises synthetic resinous hollow expandable gas-filled microspheres with a glass transition temperature (Tg) of at least 50‹C in a synthetic resinous thermoplastic matrix having a Tg between -7‹C and +20‹C. The microspheres contain neopentane and have a shell of a co-polymer or polymer of styrene/acrylonitrile, methyl methacrylalate/ methyl acrylate or methyl methacrylate/acrylo nitrile. The matrix comprises a latex of styrene/ butadiene, vinylidene chloride/butyl acrylate/ acrylonitrile, isobutylacrylate/vinyl acetate or ethyl acrylate/styrene, with additions of sodium lauryl sulphate and the sodium salt of polyacrylic acid. Dyes, fillers, heat and light stabilisers, flame retardants and other additives may also be incorporated. A coating on the carpet back is heated between plates or parallel belts or without restriction, when its thickness is controlled by a doctor blade, to form a matrix and then expand the microspheres.
Patent GB-1533868-A (GB)
Title: Serial printing apparatus
IPC: B41J1/60
Filed: 1975-12-29
Abstract: 1533868 Selective printing RICOH CO Ltd 29 Dec 1975 [28 Dec 1974 6 Aug 1975 18 Aug 1975] 53046/75 Heading B6F [Also in Division F2] A serial printer includes a type disc comprising two or three coaxial hubs 42, 44 each having radial tongues 48, 46 respectively, carrying type characters 50, two concentric groups of characters being provided and the disc being displaceable in its plane to select one or other of the groups.
Patent GB-1100138-A (GB)
Title: Improvements in and relating to electric radiant heaters
IPC: F24C7/06
Filed: 1964-12-31
Abstract: 1,100,138. Electric resistance heating. E. F. HALLIWELL. 29 March, 1966 [31 Dec., 1964], No. 53053/64. Heading H5H. In an electric heater having a reflector 1 disposed behind a radiant heating element 2, 3, a space 4 behind the reflector is defined by the reflector, a back plate 6 and side walls 4, the space is divided by a horizontal perforated heating means 12 and is provided with top and bottom openings 15, 11, for the passage of convected air. The size of the openings may be controlled. The reflector and back plate are curved and form an inverted V-shape. The heating means 12 may have vertical fins; they may be supplemented or replaced by a wire grid, fins attached to the reflector or a resistance heater. A water trough rests at the bottom of the heater to increase humidity.
Patent GB-1458662-A (GB)
Title: Sandstone consolidation
IPC: C09K17/46
Filed: 1972-11-17
Abstract: 1458662 Consolidating soil FOSROC AG 6 Feb 1974 [17 Nov 1972] 53350/72 Heading E1F A friable sand stone is consolidated by applying an aqueous composition of an alkali metal silicate, e.g. sodium silicate, and a gelling agent, e.g. a hydrolysable ester. The viscosity of the silicate solution before addition of the gelling agent is preferably from 1-2 cps and the silicate has a SiO 2 :Na 2 O ratio of about 3:1. The aqueous composition may be injected in or sprayed on the sand stone.
Patent GB-1236408-A (GB)
Title: Preselection tuning devices
Inventor: OHASHI TAMAKI
IPC: H03J5/12
Filed: 1968-11-11
Abstract: 1,236,408. Releasable fastenenings. T. OHASHI. 11 Nov., 1968, No. 53406/68. Heading E2A. [Also in Division H3] In a preselection tuning device having first and second elongate members 1, 9 guided in means 13, 14, a tuning cam 3 is pivotally mounted on the first member 1 and an actuating member 6 and is pivotally connected to the second member 9 so that a component of a force causing longitudinal movement of the second member 9 acts transversely on the first first member 1 to keep one side of the first member 1 in contact with the guide means 13. As shown when the push button 10 and arm 9 are pressed the tuning cam is rotated to correspond to the position of the parallel rods b. Further pressing of the button 10 and arm 9 cause the actuating member 6 to slide relative to the arm 1 and move locking member 5 to lock the cam 3 in the set position (Fig. 4, not shown). Due to the offsetting of the pivot pins 7 and 12 on which the coupling member 11 is pivoted, during this further pressing, the arms 1 and 9 are forced upwards and downwards as viewed in Fig. 2 so that the edges of the arms engage the guides 13, 14. This ensures accurate setting and resetting of the tuning.
Patent GB-1335700-A (GB)
Title: Electrophotographic photosensitive memb'r
IPC: G03G5/02
Filed: 1970-11-10
Abstract: 1335700 Electro-photographic plate CANON KK 10 Nov 1970 [14 Nov 1969 5 March 1970 9 March 1970 18 March 1970] 53428/70 Headings G2C and C17D2 An electro-photographic element comprises a base, a photo-conductive layer and an insulating layer wherein the photo-conductive layer is a tellurium alloy layer in which the tellurium content increases from the base side towards the insulating layer. In the preferred embodiments alloys of Se and Te and optionally As are used to form photo-conductive layers of graded content either by evaporating an inhomogenous block of alloy or simultaneously evaporating an alloy of Se + Te and elemental Se. In one embodiment the photo-conductive layer is solely Se on one side. The presence of arsenic prevents crystallization of the alloy. The insulating layer may be provided by adhering a polyester film to the photo-conductive layer. It is preferred to maintain the base at a temperature above 63‹C during deposition of the photo-conductive layer and thus produce a photo-conductive layer of low residual potential.
Patent GB-1291829-A (GB)
Title: Formwork for the casting of concrete slabs
Inventor: YOUNG GEORGE BERNARD ARTHUR
IPC: E04G11/38
Filed: 1968-11-12
Abstract: 1291829 Formwork for concrete slabs RAPID METAL DEVELOPMENTS Ltd 3 Nov 1969 [12 Nov 1968] 53465/68 Heading E1S Supporting formwork for the casting of concrete slabs comprises in combination a plurality of beams 10 as disclosed in Specification 1250875 which are supported on props 11, 12 and are interconnected by cross beams 15 adjustably supported on bars 14 forming part of the beams 10. Each cross beam consists of a flanged channel section of metal filled with a timber beam and provided at each end with notched positioning brackets for details of which Figs. 2 and 3, (not shown), should be referred to. (For Figure see next page)
Patent GB-1456023-A (GB)
Title: Machine tools embodying driving devices
IPC: B23Q5/40
Filed: 1973-11-20
Abstract: 1456023 Actuating slides; grinding PA LEGUEU 20 Nov 1973 [17 April 1973] 53753/ 73 Headings B3B B3D [Also in Division F2] A machine tool embodying a drive device for linear displacement of a movable carriage comprises a recirculating ball screw and nut transmission wherein the nut comprises a rack made up of a series of rack members 1 mounted directly in the machine tool frame, the movable carriage carrying a half-bush covering the section of the screw not engaging the half-nuts 1 and supporting the screw in bearing housings, and wherein each rack member 1 has a measurement reference member 9 adjacent its end faces to adjust the relative axial positioning of the rack members (dimension e) to enable the pitch of the threads thereof to be correctly related. The screw is mounted in bearings (Fig. 3, not shown) in end casings (12) attached to the half-bush (6) and pre-stressed to eliminate deflection.
Patent GB-1163009-A (GB)
Title: Arrangements for Securing Sinuous Springs
IPC: A47C31/06
Filed: 1966-12-01
Abstract: 1,163,009. Spring upholstery. ETABS. BERTRAND FAURE. 1 Dec., 1966 [15 Dec., 1965], No. 53908/66. Heading A4M. The end of a sinuous spring 1 has a hook engagement with a rigid, undulated wire 5 welded, as at 6, to a tubular frame 4, the wire 5 extending through the end wave of the spring 1 and treating it against transverse displacement, and the spring 1 be loaded in normal use such that the spring 1 bears in opposite senses either against opposite sides of the wire 5, as in Fig 2, or against the wire 5 and the frame 4, as in Fig. 4. In one embodiment, Fig. 2, the end limb 2 of the spring 1 engages beneath sections 5 1 , 5 2  of the wire 5 in a recess (9, Fig 1) defined between the wire 5 and the frame 4. The penultimate limb 8 bears on top of the sections 5 1 , 5 2 . In another embodiment, Fig 4, the undulations of the wire 5 one of lesser height than the spacing of adjacent spring limbs (2, 8). The end limbs (2) bears on top of the frame 4 whilst the wire sections (5 1 , 5 2 -Fig. 5) are engaged from below by the arcuate portion 7 and the bent end 3 of the spring 1 respectively. The wires 5 and/or spring ends may be sheathed with rubber or plastics.
Patent GB-1180167-A (GB)
Title: Assembly Conveyor System
IPC: B23Q7/03
Filed: 1968-11-14
Abstract: 1,180,167. Endless conveyers. ITT INDUSTRIES Inc. 14 Nov., 1968 [21 Nov., 1967], No. 53994/68. Heading B8A. An assembly conveyer system comprises a plurality of endless conveyer units 14, 24, 34, arranged in generally parallel relationship and each having a plurality of longitudinally spaced stations (not shown) adjacent thereto, worksupporting means 12, 22, 32 on each conveyer unit, and drive means synchronously driving the conveyer units so as to move adjacent conveyer units in opposite directions, the drive means including stop means 42 for periodically simultaneously stopping the conveyer units with at least a portion of the work-supporting means of each conveyer unit in registry with at least one of the respective stations. The stop means consists of a Geneva mechanism 42, but to accurately position each unit a cam-actuated rod 100 is provided at each station and has a pointed end 102 which registers with a notch formed on the side of each unit. A spring 112 is provided between the cam and this rod 100 so as to provide a dwell action and a resilient loading of the rod 100. Each conveyer unit is supported by four running wheels 68 and four wheels 70 for providing lateral guidance. The unit is connected to a central endless drive chain 14. The conveyers described are for use in assembling photographic flash cube units.
Patent GB-1487629-A (GB)
Title: Supporting structure for partition wall or a suspended ceiling
IPC: E04B9/14
Filed: 1974-12-13
Abstract: 1487629 Suspended ceilings ODENWALD FASERPLATTENWERK GmbH 13 Dec 1974 54049/74 Heading E1W [Also in Division F2] A supporting structure for a partition wall or a suspended ceiling comprises T-section grid bars 10 joined by plates 13 at junctions of the bars, each plate having means 7 for attachment to a wall or roof structure and being of stellate form with a central portion and outwardly extending arms having projections 2 at their free ends which engage apertures in the T-section bars 10. The projections 12 are bent over after insertion in the apertures. Above the plate 13 there may be placed a hexagonal sectioned member 8a having ribs 14 which engage slots 9 in panels 11 supported by the bars 10. The plates 13 may have between three and twelve arms some of which may be bent out of the general plane of the plate to form various three dimensional structures.
Patent GB-1114736-A (GB)
Title: Blank feeding device
IPC: B31B160/10
Filed: 1965-12-22
Abstract: 1,114,736. Feeding sheets. R. WINKLER, and K. DUNNEBIER. 22 Dec., 1965 [12 Jan., 1965], No. 54327/65. Heading B6B. Envelope blanks 23, with windows 24, in a stationary or a moving stack, are separated sequentially in a path which diverges from the plane of the sheets in the stack, whereby the edges of the windows are not damaged, and separation of the blanks, is more smoothly effected. As shown in Fig. 1, the blanks 23 are partly supported by a plate 1 on which a deflection plate 17 is adjustably secured by screws 21 engaging elongated slots in the plate 17, the latter having a front tapered edge 22 arranged beneath the leading edges 25 of the windows 24. The front ends of the blanks 23 are supported by two opposed and gapped feed discs (10) and 11, and a serrated stack guide 16. An oscillating tongue 14 is arranged between the discs, and an oscillating sucker 8 is arranged below the tongue. Gapped feed discs 4, which co operate with a feed roll 6, are also arranged below the front end of the stack. In operation, the bottom blank 23<SP>1</SP> is pulled down by the sucker 8 immediately the tongue 14 is pivoted away from the stack, the tongue then returns below the stack and the gapped discs (10) and 11 are rotated so that their points (10<SP>1</SP>, 11<SP>1</SP>) are located between the stack and the partially separated blank 23<SP>1</SP>. The gapped feed discs 4 are now rotated so that their leading edges 4<SP>1</SP> depress the blank 23<SP>1</SP> about a rounded portion 1<SP>1</SP> of the plate 1, and the blank is finally separated from the stack when the shouldered portions 4<SP>11</SP> press the blank against the roller 6. Since the tapered front end 22 of the plate 17 allows the bottom blank 23<SP>1</SP> to peel away from the stack, the trailing window edge 26 of the blank cannot encounter the leading window edge 25 of the next blank. In a modification (Figs. 3 and 4), a stack of blanks (30) in staggered formation is fed forward by conveyer belts (37, 38) over a table (31) on which a wedgeshaped plate (39) is adjustably secured. The arrangement is such that the stack moves upwardly over the wedge-shaped plate, and then downwardly over an idler roller (42) or a curved support towards the bite of segmental feed discs (48) co-operating with cylindrical discs (47). A weak leaf spring (44), secured in an adjustable holder (45) above the stack, presses on the stack as it moves towards the discs (47, 48). The discs have a higher peripheral speed than the speed of the stack conveyer belts (37, 38), so that when the foremost blank (30<SP>1</SP>) is gripped by the discs, it is pulled rapidly away from the stack and spaced above the next blank (30<SP>11</SP>) so that the adjacent window apertures (50) do not catch each other. The leaf spring (44) will extend through the window (50) of the top blank, and press against the blank below to hold the latter down.
Patent GB-1255156-A (GB)
Title: Improvement in chemical embossing
IPC: B44C1/20
Filed: 1968-11-15
Abstract: 1,255,156. Coated sheet materials. ARMSTRONG CORK CO. 15 Nov., 1968 [16 Nov., 1967], No. 54334/68. Addition to 1,150,902. Heading B2E. [Also in Divisions B6 and C3] An embossed thermoplastic sheet is produced by blending a vinyl resin (e.g. polyvinyl chloride), a plasticiser for the resin, a heatdecomposable blowing agent and pentaerythritol tetramethacrylate, forming a sheet from the blend, applying to the sheet in a decorative pattern a polymerisation catalyst for the monomer and heating the patterned sheet to decompose the blowing agent and polymerise the monomer in contact with the catalyst. The blowing agent may be azobisformamide, substituted hydrazides, substituted azo compounds and substituted nitroso compounds. The plasticiser may be dioctyl phthalate. Blowing agent activators such as dibasic lead phosphite or zinc laurate may be present in the blend. Other ingredients of the blend may be pigments (e.g. TiO 2 ), dyes, granular fillers (e.g. clay, limestone or a silicate), heat and light stabilisers. The blend may be doctored, roll coated or otherwise applied to a backing or to a strippable carrier and gelled thereon. The catalyst may be a free radical generating type (e.g. benzoyl peroxide) or an aliphatic azo compound (e.g. alpha, alpha-azodiisobutyronitrile). The catalyst may be applied as a printing ink also containing vinyl chloride-vinyl acetate copolymer binder pigment, solvents and a wetting agent. A clear or coloured coating of the thermoplastic resin may be sprayed, doctored, or roll applied over the entire sheet after the catalyst.
Patent GB-1185829-A (GB)
Title: Press Brakes
Inventor: JEAVONS DANIEL
IPC: F16D49/10
Filed: 1966-12-06
Abstract: 1,185,829. Machinery safety devices; external shoe drum brakes; automatic brakes; controlling clutches. TAYLOR & CHALLEN Ltd. 30 Nov., 1967 [6 Dec., 1966], No. 54504/66. Headings F2E, F2F, F2J and F2L. In a press brake, wherein a crank-shaft 1 drives a tool, and a photo-electric or other sensing device initiates emergency braking of the crank-shaft if an operator's hand is dangerously close to the tool path, the emergency braking force is derived from the rotation of the crank-shaft. External shoes 3, 4 pivoted together at 5 embrace a brake drum 2 on the crank-shaft 1. The shoe 3 has a fixed pivot 23 and the shoe 4 is pivoted to a toggle linkage 7, 8, the lever 8 having a fixed pivot 9 and an extension forming a follower for a cam 14. A positive clutch (13, 17) (Fig. 2, not shown) between the cam 14 and a layshaft 18 geared to the crankshaft is normally held disengaged by a pneumatic cylinder 10 acting via a lever 11. For normal braking a pneumatic cylinder acts on the toggle linkage via a strut 22. In emergency, the sensing device opens a solenoid valve to vent the cylinder 10 to allow a spring (15) to engage the clutch (13, 17) so that the inertia of the crank-shaft rotates the cam and acts via the toggle linkage for powerful brake application. As the lever 11 moves for clutch engagement, it closes a micro-switch 19 to cut off the power supply to an electric motor driving the press. When the brake has worn a predetermined amount, the lever 8 closes a micro-switch 20 on brake application to light a warning lamp to remind the operator to take up the wear by means of a turnbuckle 6.
Patent GB-1367623-A (GB)
Title: Hydroformylation using iridium catalyst
IPC: C07C45/50
Filed: 1971-11-08
Abstract: 1367623 Hydroformylation IMPERIAL CHEMICAL INDUSTRIES Ltd 8 Nov 1971 [19 Nov 1970] 55026/70 Headng C2C Aldehydes are produced by reacting olefines at elevated temperatures and pressures with a mixture of carbon monoxide and hydrogen in a molecular ratio greater than 4 : 1 in the presence of a hydroformylation catalyst containing iridium such as iridium metal or tetrairidium dodecacarbonyl. In order to increase the yield of aldehyde and to decrease the hydrogenation of the olefine a biphyllic ligand may be added to the reaction mixture. Such a ligand may be a compound of trivalent phosphorus, antimony, or arsenic, for example, tributyl phosphine, trimethyl phosphite or a complex with the iridiumcontaining catalyst HIr(CO)(PPh 3 ) 3 .
Patent GB-1432338-A (GB)
Title: Supports or linings for shafts or tunnels
IPC: E21D11/18
Filed: 1972-11-29
Abstract: 1432338 Tunnel linings METAL SECTIONS Ltd 27 Nov 1973 [29 Nov 1972] 55113/72 Heading E1F A support or lining for a shaft or tunnel comprises a plurality of support members 10 which in use extend parallel to the axis of the tunnel, and a plurality of strut members 21 for in use interconnecting the support members 10, each support member comprising two outer channel-shaped elements 11, 12 connected together in back-to-back relationship and having inturned flanges 15, and two inner channel-shaped elements 17 slidably mounted within the outer elements. Each strut member 21 has an enlarged head 23 at each end, which is received in an outer element 11 and is retained therein by a pair of adjacent inner elements 17 which overlap the enlarged head. The strut member 21 is hollow and is open along its inner face at 22, this ensures that if any buckling occurs it will be in an outward direction.
Patent GB-1450904-A (GB)
Title: Transmission unit
IPC: F16H9/26
Filed: 1973-11-30
Abstract: 1450904 Securing sprocket wheels; variable speed gear A PHILPOTT and R S FUHER 21 Nov 1974 [30 Nov 1973] 55542/73 Addition to 1410756 Headings F2U and F2D The sprocket wheel assembly disclosed in the parent Specification is improved by releasably locking a secondary sprocket wheel 12 on to the shaft portion 13 of a primary sprocket wheel 11  in the desired angular position by means of, for example, a clamp 21. The shaft portion 13 of tubular form is inserted into a bore 16a of a sleeve 14 which is slit at 18, 19 and 20 and provided with flats 24, 25 for receiving clamp plates 22, 23. The bolts 28, 29 of the clamp pass through recesses 30 in the sleeve and engage in a circumferential groove 31 in the shaft portion so that the sprocket wheel 11 can be adjusted rotationally and prevented from moving axially. The modified transmission assembly shown comprises a chain 60 which passes over primary sprocket wheel and a first sprocket wheel 51, a chain 61 which passes over primary sprocket wheel 57 and the first sprocket wheel 51, a chain 62 which passes over secondary sprocket wheel 12 and second sprocket wheel 53, and a chain 63 which passes over secondary sprocket wheel 58 and the second sprocket wheel 53. Sprocket wheels 70 ... 73 serve to increase the wrap and adjust the tension of the chains. After the relative angular positions of the sprocket wheels 11, 12 have been automatically adjusted by rotating the input shaft 54, the clamp 21 is actuated to grip the sleeve 14 on the shaft portion 13.