baber/WOPTO huggingface dataset:
Patent GB-1332338-A (GB)
Title: Broach assembly
IPC: B23D43/04
Filed: 1970-12-16
Abstract: 1332338 Broach tool LAPOINTE MACHINE TOOL CO 16 Dec 1970 [2 Jan 1970] 59698/70 Heading B3L A broach assembly comprises a plurality of elongated bars 18 having cutting teeth along one edge mounted within a cylindrical holder 10 annularly about a common axis to form an internal broach through which a workpiece is moved to effect surface broaching thereof, e.g. helical gear teeth or splines, said bars providing mutual support for each other by side-by-side contact and the teeth along each bar, having a uniform spacing and increasing progressively in height from one end to the other. The bars have converging sides and an arcuate outer surface so as together they form a cylindrical assembly. A first bar 18a is located by pins 30 and the rest are arranged relative thereto and clamped by bolts 42. End caps 14, 16 locate and clamp the bars longitudinally, the end cap 14 including adjusting screws 14e. The broach assembly may comprise a plurality of longitudinally arranged sets or arrays of bars 18 between the end caps 14, 16. For cutting helical teeth on a workpiece each tooth may be inclined to a helix angle. A machine tool for producing a helical gear (Fig. 8, not shown) comprises a stationary mounting (50), (52) for the broach assembly and a vertically movable drawbar (56) on which a gear blank is mounted. A coupling (62) allows the drawbar to rotate as it moves by the action of a helically grooved guide portion (56b) engaging in a nut (58a) in a vertically movable bearing block (58). The drawbar can be moved by an hydraulic ram or a screw driven ram.
Patent GB-1396088-A (GB)
Title: Secondary recovery process using surfactant mixtures
IPC: C09K8/584
Filed: 1973-12-28
Abstract: 1396088 Secondary recovery from wells TEXACO DEVELOPMENT CORP 28 Dec 1973 59958/73 Heading E1F Oil is recovered from a reservoir by injecting, through an injection well, an aqueous saline slug containing a mixture of a nonionic and an anionic surfactant, driving the slug through the reservoir by injecting an aqueous driving medium, and recovering the oil so displaced from a production well. The saline slug contains a salt of a monovalent cation, preferably sodium chloride, and a thickening agent. The nonionic surfactant may be an ethoxylated alkyl phenol, alcohol, thioether or amine, or a polymer or copolymer of ethylene oxide and/or propylene oxide; the anionic surfactant may be a petroleum, alkyl aryl or alkyl sulphonate, an alkyl sulphate or a sulphosuccinate, or a sodium salt thereof. The driving medium is water or brine, which may be thickened. Before introduction of the slug the reservoir is injected with water or brine, thickened or not, or an aqueous solution of sodium sulphate, nitrate, hydroxide, silicate, phosphate or fluoride, or hydrofluoric acid or a quaternary ammonium salt.
Patent GB-1371550-A (GB)
Title: Titanium carbide steel-base hard facing composition
IPC: C22C29/10
Filed: 1972-12-29
Abstract: 1371550 Titanium carbide - steel compositions CHROMALLOY AMERICAN CORP 29 Dec 1972 [24 Jan 1972] 60069/72 Headings C7A and C7D  A composition especially suited for hard-facing of metal substrates consists of 10 to 75 wt per cent of titanium carbide and 25 to 90% of a steel matrix comprising: - the balance of the matrix being iron. In preferred embodiments a sintered powder containing 10 to 75% titanium carbide dispersed as rounded grains through a matrix comprising:- balance iron, is blended with boron and silicon and any one or more of chromium, carbon, titanium carbide and molybdenum necessary to produce the required hard-facing composition. The hard-facing composition is slurried with a suitable organic binder, and applied to a metal substrate (e.g. a steel containing 0À5% C, 1À5% Cr, 2À5% W, balance Fe which has been degreased and shot-blasted) by spraying, dipping or painting. The coating is dried and then heated at 1190- 1200‹C to fuse the matrix and metallurgically bond it to the substrate. The coating is then hardened by rapid cooling.
Patent GB-1368460-A (GB)
Title: Manufacture of caprolactam
IPC: C07D201/04
Filed: 1971-12-30
Abstract: 1368460 Caprolactam BADISCHE ANILIN- & SODA-FABRIK AG 30 Dec 1971 [2 Jan 1971] 60677/71 Heading C2C [Also in Division B2] Caprolactam is obtained by catalytic rearrangement of cyclohexanone oxime in a fluidizied bed containing a heated catalyst optionally supported on a carrier, the cyclohexanone oxime being introduced in liquid form, wherein molten cyclohexanone oxime or cyclohexanone oxime in solution in an inert solvent is injected into the fluidized bed through the inner tube of one or more nozzles at a pressure of from 5 to 150 atmospheres and a temperature of from 50‹ to 350‹ C. without the use of a gaseous propellant, a stream of scavenging gas being simultaneously fed to the fluidized bed through the outer annular gap of said nozzle at an angle defining the angle of divergence of the hollow core of injected liquid at from 15‹ to 110‹ C. The reaction in the catalyst bed generally takes place at a temperature of from 210‹ to 450‹ C. employing a boron oxide on aluminium catalyst and a residence time of 0À01 to 30 seconds. The scavenging gas is suitably passed through the annular gap at a pressure of 0À5 to 2À5 atmospheres at a rete of 20 to 80 m/s. An aqueous solution of boric acid and/or ammonium borate may be introduced into the fluidized bed through one or more two-component nozzles or together with the cyolohexanone oxime.
Patent GB-1201878-A (GB)
Title: Improvements in or relating to slide resistances
IPC: H01C10/14
Filed: 1968-12-20
Abstract: 1,201,878. Variable resistors. W. PREH, [trading as PREH ELEKTROFEINMECHANISCH WERKE JAKOB PREH NACHFOLGER]. 20 Dec., 1968 [23 Dec., 1967], No. 60851/68. Heading H1S. [Also in Division H3] In a slide resistor 1, coarse adjustments are made by sliding a knob 4 mounted on a slider 2 along the resistance and collector tracks, and a fine adjustment is effected by rotating the knob 4 (Figs. 3-6, not shown) or a member 10, coaxial with the knob 4 to rotate a pinion 8 after this pinion is brought into engagement with a rack 3 against the action of a spring 13. The knob 4 is retained on the slider carriage 5 by shoulder and rim portions 6, 7. When the pinion is rotated by the knob an enclosed depending central column (9, Fig. 3, not shown) of the knob has formed at one end the pinion (8) which is urged away from the rack by a helical spring (13) captive on the column between a coaxial slider carriage portion (15) supporting the knob and the blind end of the knob. The knob may be locked in either of two positions by a U-spring carried by the slider carriage and tangential to the central column (9, Fig. 5, not shown) of the knob which snaps into circumferential grooves (17) on the column as the knob is raised or depressed. In one position the rack and pinion are in engagement and in the other they are disengaged allowing the knob to be slid along the track.
Patent GB-1262728-A (GB)
Title: Process for the continuous production of fibre-reinforced polyamide moulding compositions
Inventor: MICHAEL DIETRICH
IPC: C08G69/20
Filed: 1969-12-23
Abstract: 1,262,728. Fibre-reinforced polylactam moulding compositions. FARBENFABRIKEN BAYER A.G. 23 Dec., 1969 [7 Jan., 1969], No. 62528/69. Heading C3R. In a continuous process for producing fibrereinforced polyamide moulding compositions by impregnating a fibre structure by drawing it through a melt of a polymerization mixture and then guiding it through a zone heated to a temperature between that of the melt and 350 C., cooling and chopping it into a granulate, the polymerization mixture which is stable for at least 30 minutes at the temperature of the melt comprises a lactam, 0À05 to 10 wt. per cent of a catalyst which is an alkali or alkaline earth metal salt of an organic carboxylic acid of pK a  between 3 and the pKb of the lactam, and 0À05 to 20 wt. per cent of an isocyanate or washed isocyanate activator. Formates are the only salts specified. An additional basic catalyst may be present, e.g. Na phenoxide, cyanamide or cyanide, KNO 2 , K 2 CO 3  or Ca(CN) 2 . The lactam may be capro-, caprylic or lauric lactam and the fibre, which may be sized with a bonding agent, may be a strand, woven fabric, web or mat of glass, cotton, sisal, asbestos, carbon-boron, or metal, e.g. iron. Fillers, dyes, pigments, lubricants, plasticizers, antistatic agents, stabilizers or surfactants may also be included in the melt, especially 10 to 100 Á silica or 1 to 3% of a soluble polyamide.
Patent GB-733017-A (GB)
Abstract: 733,017. Stair-carpet fasteners. HARRISON (BIRMINGHAM), Ltd. March 24, 1954 [March 28, 1953], No. 8617/53. Class 52 (5). A stair-carpet holder comprises a U-shaped metal clip 10 having a slotted rear arm containing a resilient portion for engaging under a head portion of the riser attachment member, in this example a threaded screw 13. An annular shoulder on the shank of the screw or a bearing plate 14 with a hollow boss 16 for the fixing screw may be used for spacing the head of the screw 13 away from the riser 15. The resilient portion of the rear arm may be a locally bowed portion 22 with perhaps slips 21 and right angle flanges 24.
Patent GB-2023664-A (GB)
Title: Apparatus for applying metal coating to continuously fed band of glass
IPC: C23C2/26
Filed: 1978-06-22
Abstract: An apparatus for applying a metal coating to a continuously fed band of glass 9 comprises a water- cooled horseshoe electromagnet 12 having poles extending transversely of the glass band and spaced apart in the feed direction, a pipe 8 with perforations 10 for depositing molten metal 11 onto the glass band between the poles, a pipe 14 for supplying oxidizing atmosphere, and electrical contacts 13 carried at the ends of the electromagnet 12 for passing an electric current through the layer of molten metal. Electrical contacts 15 carried by the electromagnet sense the depth of the metal layer 11 on the glass and control the valve 16 in duct 6 to keep the depth constant. The vessel 1 includes heaters 3, thermocouple 4 and level indicator 5. The oxidizing gas oxidises the surface of the melt in the strip, the oxidised material adhering to the substrate during rotation of the melt. <IMAGE>
Patent GB-2003423-A (GB)
Title: Self crimping yarn and process
IPC: D01F6/62
Filed: 1978-08-16
Abstract: Polymer e.g. polyester, is extruded through two converging capillaries (26, 30) of a spinneret at different speeds to merge and form a combined stream. The stream is cooled to form a filament, which is withdrawn at a high speed to give yarn which self-crimps upon heating. In some embodiments, merging takes place substantially coincident with the face (28) of the spinneret, in other it takes place below the face; in the latter case, the yarn can be made to have a variable denier. Certain new yarns have non-round cross-sections and alternating S-twisted and Z-twisted helical crimp. A spinneret plate is described. <IMAGE>
Patent GB-2013533-A (GB)
Title: An Improved Method of Winding Armatures
IPC: H02K15/09
Filed: 1979-02-06
Abstract: A rotating flyer (8) winds wire (10) onto a slotted armature core (4), the wire at the beginning and end of the coil winding process being arrested and looped round a commutator hook (7). The wire extending from the hook is stretched beyond its elastic limit so that it tears at the hook after winding the first and last coils. In a preferred method, the wire is arrested and gripped at the beginning of the winding process by a clamping mechanism (13) which is moved from a wire catching position (15) to a first wire tearing position (16) and the armature is rotated to stretch the wire and cause it to sever at the commutator hook. The wire clamping mechanism then returns to its clamping position (15) until a second wire tearing step is to be performed at position (17). <IMAGE>
Patent GB-2042729-A (GB)
Title: Signal Recorders, in Particular Chart Recorders
IPC: G01D15/26
Filed: 1979-02-22
Abstract: A chart recorder for recording signals from a number of differing transducers (1) can record at a number of chart speeds, e.g. ten, selected by a selector (8). The chart (12) is periodically marked by a marker (11), periodicity of the marks being controlled by an oscillator (9) through the selector (8) to enable the speed at which the signals were recorded to be subsequently determined. There may be two frequencies of marking by marker (11), one for five chart speeds, and one for the other five chart speeds, the ten possible marking intervals on the chart corresponding to respective chart speeds. Marker (14) recording the input signal or signals is moved by a pen drive (6). Chart drive (7) controls a stepper motor (13). Power source (5) may be internal or external. <IMAGE>
Patent GB-2017354-A (GB)
Title: Control apparatus e.g. for temperature control
IPC: G05D23/19
Filed: 1979-04-06
Abstract: Control apparatus for providing an output signal which is responsive to a predetermined relationship between a flat and a second parameter and which is suitable for controlling the power output of a power supply, e.g. by means of a triac 32, has two sensors 1, 3 for sensing the respective parameters and means such as a bridge circuit for providing a signal representative of a predetermined relationship between the parameters, this signal and a set-point means being connected to the inputs of a comparator 11 which provides the output signal used to control the power output of the power supply and thus, for example, a space heating or refrigerating installation. In its application to a central heating installation, an infra-red radiation sensor 1 and an air temperature sensor 3 are each in the form of a thermistor coated respectively with matt-black paint and gloss white paint. The mark-to-space ratio of the output signal 13 from a general purpose timer/oscillator 12 varies according to the departure of the prevailing temperature conditions from the set-point and is used to control the period of time during which a pump unit for circulating water through the radiators of the installation operates, or to control the heating fuel supply by means of a valve. <IMAGE>
Patent GB-2026512-A (GB)
Title: Low modulus room temperature vulcanizable silicone rubber compositions
IPC: C08L83/04
Filed: 1979-06-26
Abstract: A low modulus room temperature vulcanizable silicone rubber sealant composition with a good shelf life comprising a silanol containing polysiloxane, a filler, an acyloxy functional silane as the cross-linking agent and as the catalyst a compound which is a zinc salt or a zirconium salt of a carboxylic acid or a co-catalyst system comprising as one co-catalyst a tin salt of carboxylic acid and as the other co-catalyst either a zinc salt or a zirconium salt of a carboxylic acid.
Patent GB-2053696-A (GB)
Title: Carbon fibre laminated sports equipment
IPC: A63B49/10
Filed: 1979-07-18
Abstract: A carbon fibre reinforced, laminated sports equipment shaft (15) comprises a wooden core (19), opposed layers (18) of carbon fibre laminated on opposite faces of the core and a woven carbon fibre outer sheath (16) wrapped around and bonded to the carbon fibre laminated core (19) by curing the carbon fibre in a mould, preferably by impregnation with epoxy resin. One end of the shaft is sandwiched between two layers of hardwood, cut to a taper, and bonded to a head using epoxy resin. A handle is fitted to the other end of the shaft. Glass fibre or carbon and glass fibre tape is used to reinforce the head and handle connections. <IMAGE>
Patent GB-2055306-A (GB)
Title: A process for treating coke oven parts
IPC: F27D1/00
Filed: 1979-08-01
Abstract: A process is disclosed for providing a surface on coke oven parts, e.g., doors and door jambs, forging dies, metal handling and processing equipment and ingot moulds which surface resists the adhesion of contaminates thereto. After cleaning the metal surface, the process involves the building up a suitable surface by the application to the metal of a suspension containing 5% to 25% micro micron particles of graphite. Sufficient suspension is applied to build up a smooth covering of graphite.
Patent GB-2027588-A (GB)
Title: Knock-down furniture
IPC: A47B43/00
Filed: 1979-08-10
Abstract: A frame for a collapsible furniture unit, such as a wall unit, comprises four elongate upright members 1 to 4 and a plurality of parallel planar elements 5 to 9 which are pivoted to the upright members so that the frame can be adjusted between an upright condition, as shown in Fig. 1, in which the uprights are located at the corners of a rectangle, and a collapsed condition (as shown in Fig. 5) in which the members and elements lie substantially flat. Locking devices may be included, e.g. in the pivots, to retain the frame erected, or panels 10, 11 (which act as struts) can be inserted between the uprights 1, 4. Further panels (14, 15) can be fitted to the sides of the frame to improve its rigidity. <IMAGE>
Patent GB-2056901-A (GB)
Title: Method of and apparatus for batch casting ceramic cisterns and the like articles
IPC: B28B1/26
Filed: 1979-08-25
Abstract: Apparatus for batch casting ceramic cisterns comprises a triple deck frame structure having a lower deck (2), an intermediate movable deck (4), and an upper deck (3), a plurality of mould shells (6) are arranged on the lower deck to register with a corresponding number of mould cores (7) suspended from the intermediate deck when the intermediate deck is moved in the direction of the lower deck, and a plurality of mould shells (8) arranged on the intermediate deck registers with a corresponding number of mould cores (9) suspended from the upper deck when the intermediate deck is moved in the direction of the upper deck. Valve means located on the underside of each mould shell are actuated when the moulds are assembled to fill the moulds with slip during a casting cycle, after which the intermediate deck is moved to its other extreme position to form assembled moulds which are filled with slip during a further casting cycle. When the casts are sufficiently stiff to be handled they are removed from the mould shells. The intermediate deck is secured by clamp means in either of its extreme positions and can be located in its intermediate position to allow the moulds to dry. <IMAGE>
Patent GB-2058387-A (GB)
Title: Colour Matching
IPC: G01J3/46
Filed: 1979-09-12
Abstract: The invention is aimed at the problem of matching the colour of new paint to that of an existing painted area, particularly when repairing and repainting car bodywork. A series of filters of different colours and different intensities of those colours is provided. A test sample from a bulk supply of paint of approximately the correct colour is prepared, and this sample is placed alongside the existing paintwork. A filter is then found, by a process of trial and error, which when placed over the sample provides a resultant colour which is seen to match that of the existing paintwork. The colour of the filter is that colour of paint which needs to be added to the bulk supply in order to correct its colour. The filters may be calibrated to indicate the quantity of additional paint which needs to be added to the bulk supply.
Patent GB-2031088-A (GB)
Title: Ant-skid brake control system
IPC: B60T8/1761
Filed: 1979-09-14
Abstract: The invention provides a control system which controls the brake re-apply point during a brake pressure release/re-apply cycle depending on the duration of the synchronous running period, that period during which the wheel is decelerating at substantially the same rate as the vehicle. An increase in the synchronous running period above an optimum period is arranged to bring about an earlier re-application of the brakes in a cycle, and a decrease in the synchronous running period is used to effect a later re-application of the brakes. Various circuits are disclosed for detecting the duration of the synchronous running period. In a preferred circuit a track and store circuit (29) compares an acceleration/deceleration signal with a stored signal whose amplitude follows that of the acceleration/deceleration signal, and the synchronous running period is taken to be the period between coincidences between the acceleration/deceleration signal and the stored signal. Alternatively the synchronous running period is taken to start at the point of peak wheel reacceleration and to terminals when wheel deceleration reaches a predetermined value. The timing of the brake re-apply signal is preferably controlled by varying a re-set threshold (Vb) of a threshold switch (4) responsive to wheel acceleration/deceleration.
Patent GB-2060532-A (GB)
Title: Sail Handling Apparatus
IPC: B63H9/10
Filed: 1979-09-21
Abstract: Sail handling apparatus comprises an elongate guide element (11), e.g. a rod or a cable, located along a path along which a tie (17) locating an edge portion of a sail is required to move during sail handling operations. The tie (17) is attached to the guide element (11) by a load-transfer device (1) comprising a pair of rotatable recessed wheels (2) having a guide member (9) located between them at the periphery of the wheels. When the tie (17) is moved along the guide element (11) it can pass intermediate attachment members (18a) supporting the guide element (11) with such members (18a) being received in the recesses (6) in the wheels which then rotate with respect to the guide element (11) to pass the attachment members (18a) through the load-transfer device (1). Alternatively the load-transfer devices (1) form part of the intermediate attachments for the guide element (11) to enable the sail securing ties to pass such attachment points. <IMAGE>
Patent GB-2034837-A (GB)
Title: Servo booster assembly
IPC: B60T13/569
Filed: 1979-10-11
Abstract: A servo booster assembly comprises a fixed part (3) and a movable part (2) defining a chamber therebetween, a control valve (14) for communicating the chamber alternately with vacuum and ambient air, and an input member (21) movement of which operates the control valve. In response to operation of the control valve the movable part (2) moves relative to the fixed part (3) between an inoperative position and an operative, brake-applying position, the movable part being connected to an output member. The parts (2, 3) are interconnected by a tie bar (6) the ends (7, 8) of which extend outside the housing and are adapted respectively for connection to a master cylinder and a vehicle bulkhead. <IMAGE>
Patent GB-2034618-A (GB)
Title: A method and apparatus for forming a circumferential groove around a workpiece
IPC: B21D/
Filed: 1979-11-14
Abstract: In a method of forming a circumferentially extending groove (43) in a circular peripheral surface of a workpiece (44), particularly a pipe, the groove is formed by means of a tool (42) having at least two engagement means (47, 48) for co-operation with the workpiece, at least one of the engagement means comprising a groove- forming roller (48). The engagement means are pressed radially against the workpiece (44) so that the workpiece is clamped between them, and the tool (42) and the workpiece (44) are rotated relative to one another through an angle necessary for the groove forming roller (48) or rollers to describe a groove around the workpiece. The rotary movement is repeated while progressively decreasing the distance between the groove forming engagement means (48) and the centre of the workpiece until the groove is formed to the desired depth. <IMAGE>