baber/WOPTO huggingface dataset:
Patent GB-1488533-A (GB)
Title: Pressure regulator
IPC: G05D16/10
Filed: 1975-10-30
Abstract: 1488533 Valves PARKER-HANNIFIN CORP 30 Oct 1975 44990/75 Heading F2V A fluid pressure regulator comprises a valve member 23 co-operating with a seat 19 to control a passage through the regulator, the valve member being biased to the open position by a spring 63 acting through a piston 58 and hollow stem 22 of the valve member 23 against the force of valve member spring 27. The outlet passage portions 17, 18 of the regulator are in communication with the piston chamber 57 via a passage 56 and with the piston chamber and a balancing chamber 34 of the valve member via holes (49), Figs. 2, 3 (not shown), and the bore 40 of the stem 22. The balancing chamber 34 is formed between a skirt 26 of the valve member and a pin 29 carrying V-shaped packing 36. The pin 29 is attached to a screwed insert 11 for ease of renewing the packing. When resistance to flow causes pressure in outlet port 17 to increase beyond the set pressure of spring 63, pressure in chamber 57 lifts the piston allowing the valve to close. Further increase in pressure moves piston 58 away from the stem 22 allowing venting via ports 61, 68 to atmosphere. The lower end of the stem, Figs. 2 and 3 (not shown), is provided with spaced radial flanges to hold the valve head secure and with a transverse slot to form flexible fingers to facilitate assembly of the stem and valve head. A cylindrical sleeve 51 prevents the stem and valve head from coming apart.
Patent GB-1152147-A (GB)
Title: A Ratchet-Action Spanner
IPC: B25B13/46
Filed: 1967-10-03
Abstract: 1,152,147. Spanners. HEINZ AMTENBRINK, [trading as HERMANN WERNER K.G.]. 3 Oct., 1967 [10 Oct., 1966], No. 45045/67. Heading B3N. A spanner comprises a ring 4 with a flange 5 thereon, carried in the eye 2 of a handle 1, rollers or pins 8 located in grooves 7 in the flange, and a clamping ring 10 screwed into the eye and engaging the members 8. Grooves 7 deepen to one end and each alternate groove is situated at a different side of the flange. In operation, the spanner is turned freely in the direction y when the rollers 8 are in the deepest part of the grooves. When the spanner is rotated in the opposite direction the rollers move into the shallow part of the grooves and ring 4 is locked in the eye. The spanner acts in the manner of a ratchet.
Patent GB-1274447-A (GB)
Title: Improvements in warp stop motion and similar thread breakage detectors
Inventor: BERRIDGE FRANCIS JAMES
IPC: D03D51/28
Filed: 1968-09-23
Abstract: 1,274,447. Beaming machines; stop motions. COURTAULDS Ltd. 22 Sept., 1969 [23 Sept., 1968], No. 45069/68. Heading DIM. A thread breakage detection device e.g. in a beaming machine comprises individual thread sensing switches ST for the threads of a group and a lamp L to indicate when any thread of the group is broken, the lamp being controlled by transistors T 1 , T 2 , so that current can only flow through the lamp L when transistor T 1  is conducting. The circuits of separate groups of threads are connected in parallel through the leads A, B, C, D. Closing of a switch ST on breakage of a thread in one group renders transistor T 1  of the circuit of that group conductory and causes actuation of a relay in a stop-motion control box, e.g. of the construction described in Specification 45070/68, connected to lead B to stop the machine. The current flow in lead B renders transistor T 2  conductory to hold transistor T 1  in its conducting state so that current can flow through the associated lamp L to earth via transistor T 1  and the closed contact ST of that group. The control box then applies full lamp operating voltage to all the leads D but only the lamp of the group in which transistor T 1  is conducting lights up, enabling identification of the group in which the break has occurred.
Patent GB-1522253-A (GB)
Title: Hot pellet transfer apparatus
IPC: B01J2/06
Filed: 1976-11-02
Abstract: 1522253 Pelleting MIDLAND ROSS CORP 2 Nov 1976 [3 Nov 1975] 45537/76 Heading B5A A hot thermoplastic composition is extruded from a die 5 of extruder 6 into a cutter 7 which produces a downward stream of pellets into collector 9. A stream of liquid, usually water, is discharged tangentially from a conduit 11 to produce a sheet of water circulating along the inner surface of the collector 9 (Fig. 5). The pellets form a slurry with the liquid which slurry passes into a liquid propulsion device comprising a venturi device (Fig. 4, not shown). The slurry is propelled through a conduit 18 (Fig. 7, not shown) where cooling takes place and the solids are separated in shaker screen 19, in a non-tacky state. The liquid is returned via tank 22 and conduit 11. Wet pellets are discharged from screen 19 to hopper 26 of pneumatic blower 27 and the pellets in a damp condition are discharged to cyclone separator 29 which removes the residual liquid and discharges to drum 31.
Patent GB-1144049-A (GB)
Title: Improvements in or relating to screw presses
IPC: B30B1/23
Filed: 1967-10-06
Abstract: 1,144,049. Screw presses; hydraulic presses. HILLER & LUTZ. 6 Oct., 1967 [5 Jan., 1967], No. 45613/67. Heading B5F. In a screw press including a flywheel 2 mounted on a support 7, a ram 3 is reciprocated by a pair of fluid-operable double-acting piston- and-cylinder devices 4 pivotally connected to the support 7 and the ram 3, the flywheel 2 and ram 3 having a screw-threaded connection 5 whereby the force of the flywheel is transmitted to the ram. Means may be provided for terminating the supply of fluid to the devices 4 during the upstroke or downstroke of the ram. During the downstroke the ram 3 may be braked by supplying fluid to the reverse side of the pistons.
Patent GB-1152241-A (GB)
Title: A Carriage for Holding a Welding or Cutting Tool
Inventor: GULLEY JOHN MICHAEL
IPC: B23K37/02
Filed: 1965-05-03
Abstract: 1,152,241. Cutting or welding by fusion. J. M. GULLEY. 3 May, 1966 [3 May, 1965; 28 Oct., 1965], Nos. 18473/65 and 45629/65. Headings B3R and B3V. A carriage mounting a welding or cutting tool and for use with a track 45 as described in Specification 1,152,242 comprises roller assemblies 50, 51 adapted to lock the carriage in travelling engagement with the rails 47 of the track and a driving pinion 32 movable into engagement with a rack 33 on the strip-like body of the track 45. The pinion 32 and its driving motor 13 are mounted on an arm pivoted to the frame 10 of the carriage. A spring urges the pinion into engagement with the rack 33 and a manually actuable lever serves to lift the arm and disengage the pinion 32 from the rack 33 to allow the carriage to be moved by hand. To facilitate movement along an undulating track the pinion 32 is located between an opposed pair of roller assemblies 50, 51. Each roller assembly comprises a pair of angled rollers 57 on a stub shaft 50, 54 journalled in the frame 10. The stub-shafts 50 on one side of the carriage are axially movable to unlock the carriage from the track 45 but are normally secured by latches 58 lockable in the position shown.
Patent GB-1283996-A (GB)
Title: Proportioning valve for vehicle brake systems
IPC: B60T8/30
Filed: 1970-09-25
Abstract: 1283996 Fluid pressure brakes; valves KELSEY-HAYES CO 25 Sept 1970 [13 Oct 1969] 45898/70 Headings F2F and F2V A proportioning valve 22 for controlling the pressure supplied to the rear wheels 20 of a braking system from a dual master cylinder 10 is responsive to a first pressure at an inlet 26 to increase the pressure at the outlet 44 at a first presented ratio, and to a second pressure to increase the outlet pressure at a second preselected ratio. Fluid enters the inlet 26 and normally passes to the rear wheels 20 through outlet 44 by way of passages 64, 62, 65 formed in a differential plunger 32, bore 31 and passed a perforate spring retainer 38 attached to a slotted head 36 of the plunger. When the inlet pressure exceeds a predetermined value the pressure in bore 31 overcomes the combined force of a spring 40 engaging retainer 40 and a spring 94 pivoted at 92 to the valve body 24 and responsive to load on a vehicle axle, plunger 32 moving downwardly so that a seal 52 seats against a shoulder 60 to cut off pressure fluid to the rear brakes. The pressure then increases at a preselected ratio as the seal 52 is seated and unseated against shoulder 60 determined by the diameters A2, A1 of the differential bore housing the plunger 32 and the forces F1, F2 of springs 94, 40, until it reaches a second predetermined value at which point the inlet pressure acting against a seal 72 contained in bore 28 overcomes the force of a spring 68 and causes a sleeve 70 slidably mounted on the large diameter portion 58 of the plunger to move upwardly thereby engaging a spring retainer 42. The pressure to the rear brakes then increases at a different ratio as the inlet pressure increases causing the seal 52 to be seated and unseated against shoulder 60, the ratio depending on diameters A1, A3, being the larger diameter portion of plunger 32, F1, F2 and F3 the latter being the force of spring 68.
Patent GB-982740-A (GB)
Title: Lubricating oil compositions
IPC: C07F9/38
Filed: 1961-12-21
Abstract: A lubricating composition comprises a major proportion of mineral or synthetic hydrocarbon lubricating oil and minor proportions of a polymeric nitrogen-containing detergent and of an oil-soluble amino-alkyl imidazoline salt or complex of an organic acid phosphate or phosphonate or of a thio derivative thereof. The polymeric detergent may contain amido or amino groups, and includes copolymers of vinyl-substituted pyridines, picolines, quinolines, pyrrolidones and acylamines, or polyamines, with polymerizable unsaturated alcohols, acids or esters, particularly acrylates and methacrylates. Numerous detergents are specified including those described in Specifications 726,785. 760,554 808,665, 818,254, and 842,010, The salt or complex may have the formula <FORM:0982740/C4-C5/1> where R is C10- 30 or alkenyl, R1 is hydrogen or C1- 4 alkyl, R11 is hydrogen, or hydrocarbon radical, including chloroalkyl, no more than one R11 being hydrogen, X is an amino alkyl or polyamino polyalkylene radical, Y is O or S, and n is 0 or 1.  Imidazoline salts of this formula are extensively exemplified.  A minor amount of an alkylated bisphenol of the formula <FORM:0982740/C4-C5/2> may also be added, where X stands for -S-, -S-S-, Se, -S-CH2-, -CH2-S-CH2-, -CHR-, CR2, -(CH2)n-, -NH-, or -O-, wherein R is methyl or ethyl, n is 1, 2 or 3, R1 is a primary, secondary or tertiary alkyl group, and m is zero or 1-4, at least one m being at least 1. These compounds are also extensively exemplified.  Still further, there may be added a partial or full ester of an organic phosphorus acid, including hydrocarbyl and chlorohydrocarbyl, phosphites, phosphates, phosphonates and their thio derivatives (e.g. dicresyl phosphate, dibutyl chlorobenzene phosphonate and numerous other specific examples); a P2S5-terpene or P2S5-pine oil reaction product or various metal salts thereof; hexadecanol; fatty oils, e.g. castor oil or lard oil; and polyisobutylene. Specification 806,961 also is referred to.
Patent GB-1069176-A (GB)
Title: Preparation of polyamides
Inventor: REICHOLD ERNST
IPC: C08K5/00
Filed: 1965-10-29
Abstract: Cross-linked polyamides of high melt viscosity are obtained by adding a cross-linking agent to a melt of a linear polyamide having a relative viscosity below 4, solidfying, and prior to shaping heating the solidified polyamide at a temperature below its melting point in an inert gas atmosphere containing water vapour. Specified cross-linking agents are epoxy resins; di- or poly-epoxides of mono- or polyamines, e.g. N - di - (2,3 - epoxypropyl) aniline; hexamethylene diisocyanate; and dioxides of dicyclohexenylalkanes. The polyamide may also contain age resistors, pigments, dyestuffs, metal powders, fillers, plasticizers, synthetic resins or plastics, crystallization nuclei and mould parting agents.  In all the examples the polyamide is polycaprolactam and the cross-linking agent 2,2 - bis - (3,4 - epoxycyclohexyl) propane, the initial monomer content ranging from 8 to 0.7% and the final content 1.5 to 0.5%.  The products may be used in the manufacture of hollow containers or uniform wall thickness, e.g. bottles, canisters or fuel tanks.
Patent GB-1131428-A (GB)
Title: Improvements in delivery rollers for textile spinning and twisting frames
IPC: D01H5/74
Filed: 1965-11-01
Abstract: 1,131,428. Universal joints; rollers. HAMEL PROJEKTIERUNGS-UND VERWALTUNGS A.G. 1 Nov., 1965 [11 Dec., 1964], No. 46111/65. Heading F2U. [Also in Division D1] Individual delivery roller sections 10, 32, of a spinning or twisting machine are coupled so as to permit relative longitudinal movement between the sections, e.g. due to temperature changes and relative angular displacement of their axes, e.g. due to uneven sinking of the floor carrying the machine. In Fig. 1 a journal 18 screwed into roller section 10 is carried by the inner race of a ball-bearing 14, the outer race of which is located in the machine frame 12. Some angular displacement of the inner race is permitted due to the spherical bearing surface of the outer race. A plate 20 is fixed on journal 18 and holds the inner race 16 of the bearing 14 against the end of roller section 10. A ball-headed shank 26 is mounted on plate 20 and is a sliding fit in a recess 28 of roller section 32 which it thus supports. Drive is transmitted from one roller section to the other by a ring 34 having spigots 36 (see also Fig. 2, not shown) on one side engaging bores 40 in plate 20 and spigots 38 on the other engaging bores 42 in the roller section 32.
Patent GB-1519795-A (GB)
Title: Foams
IPC: C08J9/42
Filed: 1975-11-06
Abstract: 1519795 Fire retardant coatings for foams DUNLOP Ltd 18 Oct 1976 [6 Nov 1975] 46132/75 Heading B2E [Also in Division C3] Flexible, open celled foam, e.g. polyurethane, natural or synthetic rubber or plasticised polyvinyl chloride of density 10-50 kg/m<SP>3</SP> is impregnated with a polymer latex, e.g. natural rubber, polyisoprene rubber, styrene-butadiene rubber or mixtures of these or a polystyrene or acrylic latex, containing a particulate flame retardant additive e.g. alumina hydrate MgCO 3 , Mg(OH) 2  or Al(OH) 3 . Such foams may be used in furniture or for insulation, e.g. of pipes.
Patent GB-1402258-A (GB)
Title: Refractory insulating compositions
IPC: C04B28/06
Filed: 1971-10-06
Abstract: 1402258 Cementitious compositions CARBORUNDUM CO Ltd 25 Sept 1972 [6 Oct 1971] 46411/71 Heading C1H A pumpable refractory insulating composition comprises an aqueous slurry of a refractory cement, a refractory aggregate and/or a refractory fibre plus minor amounts of a synthetic polymer (defined) a surfactant and optionally colloidal silica. Alumino silicate fibres and polystyrene are specified together with a high alumina cement.
Patent GB-1132186-A (GB)
Title: Polymerization of isoprene
Inventor: WINKLER DELOSS EMMETT
IPC: C08F136/08
Filed: 1967-10-18
Abstract: 1,132,186. Preparing polyisoprene and latex thereof. SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ N.V. 18 Oct., 1967 [20 Oct., 1966], No. 47446/67. Heading C3P. Polyisoprene is made by contacting isoprene, in the presence of an inert hydrocarbon solvent, with a catalyst formed by reacting (1) an aluminium trialkyl with TiCl 4  in a molar ratio between 0À7 and 1À1, (2), separately reacting a monoamine with an aluminium dialkyl chloride in a molar ratio between 0À2 and 1À5, and combining products of (1) and (2) to form a mixture in which the ratio of Al to Ti, expressed in atom per atom, is between 0À8 and 1À3. A latex of the polyisoprene may be made by emulsifying the polymer in water and adding a creaming agent. Suitable amines are C 1  to C 10  primary amines, dialkyl secondary amines, aryl amines, and cycloalkyl amines. The polyisoprene is recovered by conventional techniques. In Example I component (1) is formed by heating for 15 mins. at 80‹ C. in heptane, TiCl 4 , and Al(isobutyl) 3  utilizing an Al/Ti mol. ratio of 0À8, and component (2) by reacting Al(C 2 H 5 ) 2 Cl with each of the followingamines, diethyl-, di-n-butyl-, di-2-ethylhexyl-, n-butyl-, and cyclohexyl-amine, components (1) and (2) are then mixed and used to polymerize isoprene in heptane. In Example II, a stable latex is prepared.
Patent GB-1472883-A (GB)
Title: Foamed ionic polymers
IPC: C08J11/08
Filed: 1974-03-20
Abstract: 1472883 Foamed ionic polymers EXXON RESEARCH & ENG CO 20 March 1974 [29 March 1973] 47918/76 Divided out of 1472882 Heading C3C A foamed ionic polymer has 0À5-10 mole per cent pendant ionic groups which are sulphonic or phosphonic acid groups neutralized to a degree of at least 98%. The polymer may have a density of 1-50 lb/cubic foot and may be a sulphonated product of an isobutylene/isoprene copolymer, ethylene / propylene / 5 - ethylidene- 2-norbornene terpolymer, ethylene/propylene/- 1,5-hexadiene terpolymer, polybutadiene, polystyrene or polyisobutylene. In the examples the foamed ionic polymers are made as disclosed in the examples of Specification 1,472,882.
Patent GB-1521066-A (GB)
Title: Vehicle safety-belt system
IPC: B60R22/195
Filed: 1975-11-21
Abstract: 1521066 Seat belts DAIMLER-BENZ AG 21 Nov 1975 [30 Nov 1974] 48014/75 Heading A3V A vehicle safety belt 3 is tensioned by a power-operated device 10 actuated by a control signal upon a predetermined value of vehicle deceleration, the device being rotatable and at least partially embracing the belt. Device 10 is fitted between guide 7 and selflocking roller 9. Roller 11 is turned by a driving unit 12 when a deceleration sensor delivers the control signal. Belt 3 passes through a slit extending along the direction of the axis of rotation of roller 11. Rotation of roller 11 winds up the belt. Unit 12 is attached to door pillar 8 by a hairpin-shaped element or guided vertically in a rail so that the whole device 10 moves towards roller 9 to prevent the portion of the belt between roller 11 and roller 9 being overtightened. Roller 11 may be replaced by a bifurcated body either reel shaped or flat.
Patent GB-1532415-A (GB)
Title: Cassegrain antennae
IPC: H01Q3/08
Filed: 1975-11-24
Abstract: 1532415 Cassegrain antenna SIEMENS AG 24 Nov 1975 [23 Dec 1974] 48159/75 Heading H4A A Cassegrain antenna comprises a rotationally symmetrical main reflector 1 mounted on a substructure to afford independent rotation about coplanar elevational (E) and azimuthal (A) axes, transmit/receive equipment for a communication signal fixed in the sub-structure, and a microwave feeder system including a rotary waveguide coupling 8 and a two-dish unconfined beam waveguide 13, 14 to accommodate respectively the azimuthal and elevational motions of the antenna. As described, the feeder system also includes a horn 12 grooved to excite hybrid waves which result in a substantially symmetrical radiation pattern. Dish 13 is ellipsoidal and concave; dish 14 is slightly convex. Alternatively, dish 13 can be flat or slightly convex and dish 14 can be flat.
Patent GB-1196468-A (GB)
Title: Infinitely Variable Friction Drive
IPC: F16H15/36
Filed: 1967-10-24
Abstract: 1,196,468. Variable-speed friction gear. METEOR A.G. 24 Oct., 1967 [26 Oct., 1966], No. 48287/67. Heading F2D. A continuously variable-ratio friction gear in a wire winding machine comprises a spherically profiled plastics idler disc 36 frictionally contacting driving and driven concave profiled friction wheels 18, 28, mounted on parallel shafts 16, 20 respectively, and rotatably supported on a shaft 46 mounted on a pivot shaft 50 the other end of which carries a worm 52 meshing a worm 62 of an adjustment shaft 60 having a knob 64 rotation of which pivots the idler disc 36 about the axis of pivot shaft 50 for ratio change. The friction wheel 18 is rotatably fast with a gear 14 meshing a drive pinion 12 on a further shaft 6 belt driven at 8, 10 by a motor (not shown). Both friction wheels 18, 28 are spring loaded at 34 into engagement with the idler disc 36 to provide uniform contact pressure. The arrangement provides easy access to the drive for adjustment and, if necessary, quick replacement.
Patent GB-1482279-A (GB)
Title: Digital transducers for measuring
IPC: G01F15/02
Filed: 1974-11-08
Abstract: 1482279 Measuring fluid flow-rate electrically T L B GRIVERUS 8 Nov 1974 [9 Nov 1973] 48376/74 Heading G1N (A)  A method of correcting the frequency fg of a pulse train output g 1 , g 2 , g 3  &c. from a digital transducer comprises superimposing a correction pulse train k 1 , k 2 , k 3  at a frequency fk to give a corrected pulse frequency f gkorr , the correction pulse train being initiated by a transducer pulse, and close or coincident pulses being separated into two distant pulses. The correction pulses are terminated when the interval between the transducer pulses exceeds t max  = <SP>1</SP>/f min  where f min  is the lowest value of the working frequency range. A device as shown in Fig. 7 for carrying out the above method on a signal from a digital transducer 1, comprises a pulse shaper and amplifier 14, correction pulse generator 24, opening unit 18 which when triggered by pulse 16 gives a signal to AND- gate 28 of duration t max  and a separation and addition unit 20. Unit 20 comprises deriving units 40, 42, 44, see Fig. 10, which emit pulses of very short duration coincident with the front of incoming pulses 16, 30, an OR-gate 46, pulse generators 48, 50 which each emit a pulse when triggered by a signal from the OR-gate 46; generator 50 giving a pulse of longer duration than generator 48, an inverter 52, AND-gates 56, 58 and memory element 54. A signal output from OR-gate 46 while generator 48 is still transmitting a pulse output 32 is stored in element 54 until transmission from generator 50 ceases; this enables gate 58 and the stored pulse is re-applied to the OR-gate via unit 44. Pulse generator 24 may be arranged to have its output frequency controllable by an auxiliary variable e.g. to compensate for temperature variations in a flowmeter.