baber/WOPTO huggingface dataset:
Patent GB-1065799-A (GB)
Title: Air cushion vehicles
IPC: B60V1/00
Filed: 1963-10-16
Abstract: 1,065,799. Air-cushion vehicles; endlesstrack vehicles. SOC. DES FORGES ET ATELIERS DU CREUSOT. Oct. 16, 1963 [Oct. 16, 1962], No. 40838/63. Headings B7H and B7K. In an air-cushion vehicle including a platform 1 supported by downwardly open compressedair chambers, compressed-air leakage is reduced either by single flexible band 8 which runs in endless-track fashion on a frame 12 beneath the platform 1 with its bottom run bearing against the ground below the compressed-air chambers, or by a plurality of such bands 26 (Figs. 8, 11, not shown) which bear against the ground between and/or at the lateral extremities of the chambers. The platform 1 (Fig. 1) is connected by side members 2 to a horizontal cross-member 3 (Fig. 2) carrying end walls 5 and sidewalls 4 defining a downwardly open chamber divided by partitions 6 into compressed-air chambers 7 (Fig. 4). By means of springs 18 the platform 1 bears upon the ends of a frame 12 which is located beneath the platform by sliding pivots 16, 17 and comprises longitudinal box-like members 13 connected by transverse members 14 and carrying at each end spindles 11 supporting pulleys 9 and drums 10 for the flexible band 8. Each transverse member 14 carries a flexible sealing e'ement 14b engaged by the adjacent endwall 5. Grooves 8b in the flexible band 8 are engaged by ribs 4a on the sidewalls 4 and by collars 9a on the pulley 9, and further grooves 8d in the band are engaged by the partitions 6. A horizontal member 19 extending between the longitudinal members 13 carries tongues 19 guiding the top run of the band 8. In Fig. 8 (not shown) flexible bands 26 on each side of the vehicle run on rollers 36 carried by the longitudinal members 35 of the frame 12, and flexible scaling elements 37 extend between the members 35 and the horizontal cross-member 3. In Fig. 11 (not shown) further flexible bands 39 are disposed along longitudinal partitions 40 dividing pressure chambers 30. The flexible bands comprise a hard plastic portion carrying a relatively soft portion for engagement with the ground, and may include a central metal portion. The vehicle may include additional load bearing wheels and the drums between the rollers of the multiple-band constructions may be formed by inflatable flexible envelopes. The flexible bands may include inflatable elements.
Patent GB-1354757-A (GB)
Title: Combination windscreen washer and wiper control devices
IPC: B60S1/46
Filed: 1971-09-02
Abstract: 1354757 Windscreen cleaning systems REGIE NATIONALE DES USINES RENAULT and AUTOMOBILES PEUGEOT 2 Sept 1971 [9 Sept 1970] 41091/71 Heading A4F A control device for a windscreen cleaning system comprises a control rod 6, which is tiltable about a pivot 4 against the action of a spring 5 to engage the contacts 25, 27 of a switch controlling a washer pump, and is rotatable about its axis so that inter-connected contacts 8, 9 thereon slide, respectively, over a resistive track 11 to control the period of intermittent operation of a wiper motor and over contacts 14, 16 Fig. 3 (not shown) and 15 for switching off, and intermittent and continuous operation of, the wiper motor.
Patent GB-1015489-A (GB)
Title: Rotary capacitor assembly
IPC: H05K5/00
Filed: 1962-11-01
Abstract: 1,015,489. Circuit assemblies. R. HOPT. Nov. 1, 1962 [Dec. 8, 1961], No. 41342/62. Heading H1R.  In a tuning circuit assembly in which a rotary capacitor comprises stator parts 2, housed in a moulded casing 1 and co-operating with rotor parts (not shown) mounted on a spindle, the casing 1 has an open side at which other circuit elements are mounted, within a screening lid 15, on one side of an insulating plate 10 having printed wiring on its other side. Soldering tags 11 pass to the exterior through a recess in the screen 15. A wall 5 screens one capacitor system from an adjacent system, and comprises tags 6 and an apertured lug 8 for securing the plate 10 and the lid 15 respectively to the casing 1, which may be metallized on one surface.
Patent GB-1177427-A (GB)
Title: Stabilization of Evaporated Milk
IPC: A23C9/00
Filed: 1967-09-11
Abstract: 1,177,427. Stabilising evaporated milk. ALLIED CHEMICAL CORP. 11 Sept., 1967 [14 Sept., 1966], No. 41349/67. Heading A2D. A method of stabilising heat sterilised evaporated milk against thickening, comprises adding to the cooled sterile milk 0.02-0.10 per cent by weight of the milk solids, of sodium, potassium and/or ammonium polyphosphates, the polyphosphates having been sterilised in the absence of heat. An aqueous solution of polyphosphate may be ultracentrifuged to remove septic media and then added to the milk. The stabilised milk may then be canned.
Patent GB-1102869-A (GB)
Title: Improvements in ships compasses
IPC: G01C19/38
Filed: 1966-09-16
Abstract: 1,102,869. Compasses. A. E. P. KJELLSTROM and J. A. KJELLSTROM. Sept. 16, 1966 [Sept. 17, 1965], No. 41521/66. Heading G1F. A magnetic compass comprises a spherical liquid-filled housing formed from two half-spheres 1, 2, the needle or cord 10 of the compass being mounted on a bearing pin 11 secured to the bottom of a further half-sphere 9 mounted inside the housing with freedom about diametrically opposed pivots 8 leaving a liquid filled clearance between the half-sphere 9 and the housing, and the liquid disposed inside the half-sphere 9 effectively damping relative movement between it and the housing during motion of the vessel and which the compass is mounted about the axis of the pivots 8. The half-spheres 1, 2 and 9 are preferably made from transparent plastics material to facilitate viewing of the card 10 and/or lighting of the compass from below. The pivots 8 are carried by a metal ring 12 secured to the upper housing half-sphere 1. The space between the half-spheres 1, 2 is sealed by a V-shaped flexible gasket 5 secured to flanges on the half-spheres by clamping rings 6, 7. The flexible gasket allows for expansion of the liquid in the housing due to changes in temperature, and the upper clamping ring 6 is preferably used for mounting the compass. In an alternative embodiment the half-sphere 9 is pivotally mounted inside a further half-sphere which is in turn mounted in the compass housing, the pivoting axes of the inner half-spheres being orthogonally disposed so as to allow the compass to be stabilized in both pitch and roll.
Patent GB-969948-A (GB)
Title: Flexible elongated strip material and tubes made from such material
Inventor: BOA WALTER
IPC: E02B11/00
Filed: 1959-12-07
Abstract: 969,948. Flexible tubes. NATIONAL RESEARCH DEVELOPMENT CORPORATION. Dec. 2, 1960 [Dec. 7, 1959; Sept. 2, 1960], Nos. 41590/59 and 30412/60. Heading F2P. [Also in Division E2] A flexible pipe, which may be used for land drainage, comprises a strip of either plain or corrugated plastics material formed along its sides with alternate notches 12 and projections 11. The notches on one side of the strip are transversely aligned with projections on the other side and vice versa, whereby on rolling the strip into tubular form, either by hand or by means of the machine described in Specification 969,949, complementary notches and projections may be interengaged to form the strip into a pipe.
Patent GB-1274107-A (GB)
Title: Improvements relating to topping-up arrangements for multi-cell electric batteries
Inventor: PAINTER ROY
IPC: H01M50/627
Filed: 1969-08-21
Abstract: 1,274,107. Topping-up device for storage batteries. ELECTRIC POWER STORAGE Ltd. 20 Aug., 1970[21 Aug., 1969], No. 41834/69. Heading H1B. A topping-up device for a multi-cell electric storage battery includes a vent 12 for each cell open to atmospheric pressure and extending down into the cell to slightly below the desired electrolyte level, a common trough 11 over a number of cells with a filler opening 13 from the trough into each cell which opening is of such size that a meniscus will form across the hole preventing air from escaping through it while liquid is entering through it so that an airlock is formed, and a probe 22 preferably on cover 21 which extends through each opening 13 and shaped so as to permit air to escape while the topping-up liquid drains through the opening. To top up the battery cover 21 is removed and water poured into trough 11 which flows through openings 13 while air escapes through vents 12. When the electrolyte level reaches the underside of vent tubes 12 an air-lock is formed and no further liquid enters the cell. On placing cover 21 on trough. 11 the probes 22 enter, filler openings 13 breaking the meniscus and allowing the liquid remaining in the trough 11 to drain into the cells.
Patent GB-1117897-A (GB)
Title: Multi-aperture magnetic device for converting d.c. pulses to bipolar pulses
Inventor: UNDERHILL MICHAEL JAMES
IPC: H03K19/166
Filed: 1964-10-14
Abstract: 1,117,897. Circuits employing bi-stable magnetic elements. MULLARD Ltd. 19 Aug., 1965 [14 Oct., 1964], No. 41893/64. Heading H3B. [Also in Division H1] D.C. pulses, applied to a windings 15 (Fig. 1) around two core legs 9 and 10 of a core 1 which has a substantially rectangular hysteresis loop and major and minor apertures as shown, are converted to bi-polar pulses in an output winding 17 (Fig. 2, not shown) linking core legs 8, 9 and 11, the output bi-polar pulses being obtained by transformer action between output winding 17 and drive winding 14 carrying bipolar pulses and linking the same core legs. Winding 17 has a number of turns linking leg 11 equal to the sum of the number of turns on legs 8 and 9 the winding directidns being such that in the absence of D.C. pulses in 15 the c.m.f. induced at leg 11 is cancelled by the e.m.f.'s induced at legs 8 and 9. If a pulse in drive winding 14 is followed by a D.C. pulse in winding 15 this latter causes slow reversal of the flux in either legs 7 and 9 or legs 8 and 10 depending on the polarity of the preceding pulse in winding 14. The next pulse (of opposite direction) in winding 14 then switches no flux in the flux reversed leg 8 or 9 and so only half the e.m.f. induced at leg 11 in winding 17 is cancelled and an output pulse appears in winding 17. If the D.C. pulse then continues after the pulse in winding 14 slow flux reversal then takes place in the appropriate pair of core legs 8 and 10 or 7 and 9 and the succeeding (opposite direction) pulse in drive winding 14 produces a further output pulse in winding 17 of opposite direction to the preceding pulse. The choke 16 reduces read-back on to the input circuit during the drive pulses. The specification states that instead of the core arrangement shown a transfluxor core and a separate transformer core may be used.
Patent GB-1016995-A (GB)
Title: Improvements in or relating to polymer products
IPC: C08F236/04
Filed: 1964-10-14
Abstract: A terpolymer comprises 20 to 77% acrylonitrile, 20 to 60% butadiene and 3 to 30% of either 2-hydroxy-ethyl methacrylate or 2hydroxy propyl methacrylate.  The mixture of monomers may be made in a solvent, e.g. benzene toluene, xylene or n-heptane and polymerized in the presence of a free radical catalyst, e.g. 2-21-azo-bis-isobutyronitrile, benzoyl peroxide and di-tertiary butyl peroxide.
Patent GB-1122633-A (GB)
Title: New carbamates containing acetal or mercaptal groups, and their use as pesticides
IPC: A01N47/22
Filed: 1965-10-04
Abstract: The invention comprises compounds of formula <FORM:1122633/C2/1> wherein R1 and R2 are each H or C1- 4\t alkyl or alkenyl, X1 and X2 are each H, a C1- 4 aliphatic group, halogen or NO2, and R-which is in o- or m-position to the carbamate group-is -CH(-X3-R3)-X4-R4, where X3 and X4 are each O or S, and R3 and R4 are each alkyl, alkenyl or alkinyl, or together with -CH(-X3-)-X4- complete a 5-7 member heterocycle; R3 and R4 may be substituted by a C1- 4 aliphatic group, halogen, NO2 or OH.  These compounds are prepared from the corresponding phenol, a reactive derivative of carbonic acid and R1R2NH.  Starting materials.-Numerous examples are provided of the preparation of acetals and thiocetals from o- and m-hydroxybenzaldehydes.ALSO:Pesticidal compositions comprise compounds of formula <FORM:1122633/A5-A6/1> wherein R1 and R2 are each H or C1-4 alkyl or alkenyl, X1 and X2 are each H, a C1-4 aliphatic group, halogen or NO2, and R - which is in o- or m-position to the carbonate groupis -CH(-X3-R3)-X4-R4, where X3 and X4 are each O or S, and R3 and R4 are each alkyl, alkenyl or alkinyl, or together with -CH(-X3-)-X4- complete a 5-7 member heterocycle; R3 and R4 may be substituted by a C1-4 aliphatic group, halogen, NO2 or OH.
Patent GB-1526233-A (GB)
Title: Gelatin-hardening process
IPC: C07C313/00
Filed: 1975-10-14
Abstract: Gelatin is reacted with a compound which contains in its molecule an aliphatic hydrocarbon group to which at least three vinylsulphonyl groups are bonded. The gelatin cured in this way can be used in a photographic element which contains a carrier and at least one gelatin-containing layer applied thereto. The process according to the invention does not impair the photographic properties of the gelatin.
Patent GB-1528839-A (GB)
Title: Sheet material handling apparatus
IPC: C03B35/20
Filed: 1976-10-11
Abstract: 1528839 Feeding sheets LIBBEY-OWENSFORD CO 11 Oct 1976 [15 Oct 1975] 42150/76 Heading B8R [Also in Division C1] Flat or bent sheets of glass S to be tempered are held at their top edge by descending tongs 48 and are released therefrom to be caught by downwardly moving catcher feet 165 (Fig. 4). The sheets are lowered by the tongs past the gas burners 25 of a furnace 13, and into a chilling means 16 where air blasts from heads 32, 35 cool them as they pass between converging guide wires 177. The bottom edge of a sheet entering the chilling means 16 is detected, e.g. photoelectrically, causing an electric motor to raise slides 85 to the limit position shown in Fig. 4. After a delay, the slides 85 start to descend again whilst fluid cylinders 140, mounted thereon, raise associated catcher feet 165 and tripper pins 150. The latter engage the descending tongs 48 causing them to open and drop the sheet on to the resiliently mounted catcher feet 165 which are now moving down again with the slides 85.
Patent GB-921582-A (GB)
Title: Tube and bar bending apparatus
Inventor: RICE NELSON EDWARD
IPC: B21F1/04
Filed: 1961-11-24
Abstract: 921,582. Corrugating; angular bending; stretch bending. MACOMBER Inc. Nov. 24, 1961; No. 42159/61. Class 83 (4). Tube and bar bending apparatus comprises means for continuously moving a tube or the like longitudinally therethrough, a pair of dies spaced longitudinally in the path of the moving tube, tube clamping means associated with each of said dies, a third die located between said pair of dies and movable transversely across the path of said tube, each of said pair of dies and said third die being movable toward and from each other longitudinally of the path of the moving tube, and means actuated by the movement of the tube for operating said clamping means and moving said third die perpendicular to the path of the tube to continuously form successive V-shaped bends in the continuously moving tube. Tube 14 moving continuously from a tube mill 13 is clamped at its leading end between a grooved upper die 61 and a grooved circular lower die 62. The die 61 is slid downwardly, in guides 68 in a slide 7 movable horizontally, by toggle levers 69 operated by an hydraulic cylinder 78 so as to clamp the tube against the die 62 which is carried by a block 79 having rollers 82 engaged in cam slots in plates 83 so that, after bending, the die 62 may be moved by hydraulic means downwardly and transversely out of the path of the moving bent tube. The tube 14 is also held between a clamp 18 on a horizontally movable slide 5 and a cooperating clamp 17 moved by toggle levers 33 operated by a piston 40 of an hydraulic cylinder which also operates toggle levers 34 to bring a circular die 26 into tube-engaging position. A circular bending die 49 is then moved down by an hydraulic cylinder 43 on a horizontally movable slide 6 to engage the tube midway between the slides 5 and 7 so as to bend the tube into V-shape. During this operation the tube is under tension, so as to be stretch bent around the die 49, owing to the resistance of movement of the slides 5 and 7 towards the slide 6 due to pneumatic piston and cylinder means 103, 104 connecting the slides 5 and 6 and pneumatic piston and cylinder means 107, 108 connecting the slides 6 and 7. On completion of the bend a switch 200 on the slide 6 is contacted to cause the various dies and clamps to retract and the slides 5, 6, 7 to return to their initial position, the slide 5 being moved by a pneumatic cylinder 100. The tube 14 continues to move to the right until the previously formed bend contacts switches 188, 189 on the slide member 7 whereupon the cylinder 43 is actuated to produce a further bend in the tube. The previously formed bend is engaged by the dies 61, 62, dies 61<SP>1</SP>, 62<SP>1</SP> and 61<SP>11</SP>, 62<SP>11</SP> also slidable by toggle means on the slide 7, the dies 61<SP>11</SP>, 62<SP>11</SP> moving so as further slightly to stretch the bent tube around the die 62<SP>1</SP>. U.S.A. Specification 2,457,250 is referred to.
Patent GB-1067756-A (GB)
Title: Variable inductance amplifiers
IPC: G11C11/44
Filed: 1963-10-25
Abstract: 1,067,756. Superconductor circuits. RADIO CORPORATION OF AMERICA. Oct. 25, 1963, No. 42271/63. Heading H3B. A ryotron, i.e. a cryoelectric controllable inductor, is used as the variable inductance in various variable reactance amplifiers. By varying the magnetic field penetration depth X of the control ground plane of the ryotron by varying the state of the ground plane between superconducting and normal states the amount of shielding afforded by the ground plane is varied between wide limits and hence the inductance of a conductive controlled element of the ryotron is also varied over wide limits. A parametric amplifier employing such a device is as shown in Fig. 2 and Fig. 1 (not shown). The control ground plane of a ryotron is biased by battery 50 to still be in a superconducting state, point (B), Fig. 3 (not shown), and acting as a perfect shield to controlled element 34, driven by current source 42<SP>1</SP> generating a current at frequency F 2 , pump frequency. An input signal of frequency F 1  from source 38<SP>1</SP> is applied to the control ground plane and is sufficient to produce a great increase in #, and a corresponding increase in the inductance of the controlled element 34. Load RL is connected in shunt with idler circuit 48<SP>1</SP> tuned to a frequency F 3  where F 3  = F 1  + F 2  or F 2  - F 1  depending on whether the amplifier is an up or down converter. The pump sources 38, 42 may be interchanged. In the embodiment of Fig. 4 (not shown) the ryotron has one control ground plane and two controlled elements (variable inductances), one controlled element being connected to a first idler circuit tuned to a frequency F 2  + F 1  and the second controlled element connected to a second idler circuit tuned to a frequency F 2  - F 1 . In the circuit of Fig. 5 (not shown) several input signals are applied to the control ground plane and several input signals applied to the controlled element, a number of idler circuits of different frequencies being also supplied. The control ground plane may be driven into and out of the high # state by means of modulated infra-red rays, Fig. 6 (not shown). The circuit of Fig. 7 (not shown) shows a cascaded amplifier comprising two ryotrons (101), (103) the load of ryotron (101) comprising the control ground plane of ryotron (103) which is driven by a signal of frequency F 3  = F 1  + F 2 . Since the controlled element (107) of ryotron (103) is driven by a pump source of frequency F 2  and the idler circuit is tuned to F 1  = F 3  - F 2  the load R L  receives an amplified signal at frequency F 1 .
Patent GB-1035057-A (GB)
Title: Improvements in or relating to containers for radioactive members
Inventor: POWER DEREK JOHN
IPC: G21F5/02
Filed: 1963-10-25
Abstract: 1,035,057. Containers for radio-active sources. TECH DEL Ltd. Oct. 21, 1964 [Oct. 25, 1963], No. 42285/63. Heading H5R. [Also in Division E2]. A container 1 for radio-active members, in which a member 8 is contained in a hole 7 in a shield member 3 which is rotatable, with respect to a complementary member 2, between positions in which the entrance to the hole 7 is respectively exposed and protected, has a cap 11 which, when secured to the container, frees the locking mechanism which prevents rotation of the member 3 into the " exposed " position. The member 3 is mounted to rotate about the axis of trunnions 5, the latter having holes 17 which are so arranged that, with the member 3 in the " protected " position, the plunger portions 15 of pins 13, mounted on the extensions 12A of the container housing, engage the holes 17 and lock the member 3 in position. Each pin is biased to engage a hole 17 by a leaf spring 18 acting on a collar 20. The inside edges 11A of the cap are fitted with cam plates 23, each having an aperture 27A that fits over the head portion 29 of a pin, when the cap is initially located on the container, and a slot 27 in which slides the portion of the pin between head 22 and collar 20, when the cap is rotated to secure it on the container. During this rotation, the cam plate 23 is forced against the housing 12A and the pin 13 is pulled against the action of the spring 18, freeing the plunger 15 from the hole 17. In the final position (Fig. 4B, not shown), the cap 11 is locked to the container body 1 and the member 3 free to rotate. A further pair of spring-urged pins 14 (Fig. 2, not shown) is provided on the housing to co-operate with cam plates 28, identical to those 23, in order to aid locking of the cap to the container. In the " exposed " position, the radio-active pellet 8 provides a beam of radiation which passes through the cap since this is transparent to the radiation, being of fibre glass for example, its main function being to prevent the pellet from falling out. The shield members are of uranium. In a modification for panoramic radiography, the cap is provided with a centrally located sleeve into which the pellet 8 may be moved by hydraulic means.
Patent GB-1127242-A (GB)
Title: Plate heat exchangers
Inventor: COLLINS JOHN LESLIE
IPC: F28D9/00
Filed: 1964-10-19
Abstract: 1,127,242. Plate heat exchangers. SERCK RADIATORS Ltd. 15 Oct., 1965 [19 Oct., 1964], No. 42472/64. Heading F4S. Each of a plurality of heat exchanger plates 10 is provided around its periphery with beading of rectangular cross-section and made of a synthetic resin particularly with elastomeric properties, the bead standing proud of both sides of the plate and having gaps or recesses therein which provide fluid inlet and outlet ports 12 for the plate interspaces when the plates are stacked to form the heat exchanger. A group of the ports may be encircled by a duct member 14 which may be of the same material as the beading and secured thereto by an adhesive. The beads of adjacent plates may be bonded together by an adhesive, or the seal between adjacent beads may be effected merely by the clamping together of the stack of plates. The beading may be formed by attaching strips to opposite faces of the plate 10 as shown. Alternatively the bead may be formed as a single strip grooved to receive the plate edge, or it may be moulded in situ on the plate. The plates may be corrugated or dimpled to provide contact points between adjacent plates in the plate interspaces, or secondary heat transfer members (unspecified) may be provided in the plate interspaces and are attached to the plates by welding, soldering or brazing.