baber/WOPTO huggingface dataset:
Patent GB-1357858-A (GB)
Title: Adjustable volume pressure-fill container filling machine
IPC: B65B3/32
Filed: 1972-08-30
Abstract: 1357858 Filling containers HORIX MFG CO 30 Aug 1972 [27 Sept 1971] 40176/72 Heading B8T [Also in Division F1] Apparatus for delivering measured quantities of liquid has means for adjusting the volume of each cylinder 11 individually and also for simultanous adjustment of all the cylinders. A supply tank 2 connected to a pressurizing means (not shown) is mounted on a rotatable driven centre post 1. Circumferentially spaced conduit arms 3 containing valves 21, 31 connect the supply tank to the two-part dispensing cylinders 11 separated by a flexible diaphragm 14, attached to piston head 15 on piston rod 16. The piston rod 16 extends upwards into fluid pressure cylinder 17, which is vertically adjustable in dispensing cylinder 11, and carries a piston 18 connected to pressure inlet 19. The quantity of liquid entering dispensing cylinder 11 may be individually adjusted by moving threaded collar 42, allowing fluid pressure cylinder 17 to move vertically up or down and vary the volume of the chamber between diaphragm 14 and the outlet of the dispensing cylinder 11 when the former is in the upper position. Simultaneous adjustment of all the dispensing cylinders 11 can be made by encircling collar 42 with lockable sprockets 45, chain 48 connecting them with a further sprocket 49 mounted on vertical shaft 50 attached to the body of the machine and operated by a hand cranked or motorized wheel 52. Operation.-Pressure in tank 2 causes flow of liquid through valves 21 (open) and 31 (open to dispensing cylinder 11, closed to delivery tube 29) and pushes up diaphragm 14 until piston 18 engages the upper end of fluid pressure cylinder 17, filling the lower half of the dispensing cylinder. After filling is complete, valve 21 is closed, and outlet valve 31 opened to tube 29. Air pressure supplied through inlet 19 to pressure cylinder 17 forces piston 16 and diaphragm 14 down to discharge the dispensing cylinder.
Patent GB-877840-A (GB)
Title: Phenyl cyanates and a process for their production
Filed: 1959-11-26
Abstract: The invention comprises compounds of the general formula <FORM:0877840/IV (b)/1> in which R1 is a tertiary butyl or tertiary amyl group, R2, which may be the same as R1, is an isopropyl, tertiary butyl, tertiary amyl or cyclohexyl group and in which the benzene ring may be further substituted by one or more alkyl or alkenyl groups containing up to 6 carbon atoms, cyano groups, aralkyl groups and/or halogen atoms.  The cyanates may be prepared by reacting a salt of the corresponding phenol with at least the theoretical amount of a cyanogen halide in the presence of an inert organic solvent.  Examples describe the preparation of 2,6-di-tert. butyl phenyl cyanate, 2,6-di-tert. butyl-3-vinyl-, 4-cyano-, 4-methyl, 4-tert. butyl and 4-chloro-phenyl cyanate, 2 - iso - propyl - 6 - tert. butyl phenyl cyanate and 3,5,31,51-tetra-tert. butyl-diphenylmethane-4,41-dicyanate.  2,6 - di - tert. butyl phenyl carbamate is obtained from the cyanate by hydrolysis and converted to the N-dimethyl compound.
Patent GB-1112587-A (GB)
Title: Method of capping containers
IPC: B65B7/28
Filed: 1965-09-22
Abstract: 1,112,587. Packaging. A. J. GARVIN. 22 Sept., 1965, No. 40291/65. Heading B8C. [Also in Division B5] A cardboard tube container 10 is closed at one end by the application of a disc 16 of heatsealable film, e.g. of thermoplastic material, by constricting the end of the container 10 in a region overlapped by a flange portion of the disc 16, heat-sealing the flange to the end while it is thus constricted, and then releasing the end to tension the disc 16. As described the disc 16 is cut from a web 33 by a cutter 35, and moulded about the end of the container 10 by heat and pressure applied by a mould 22. The mould 22 is provided with a tapered recess 23 to receive the container end, the recess 23 being lined with a heat-stable plastics liner 24. In operation the web 33, fed to and from rolls (34), Fig. 1 (not shown), is clamped on to a base-plate 37, Fig. 3, by clamps 42, and the mould 22 is caused to descend. The cutter 35, acting against a plastics plate 40, cuts a disc of the web 33 of suitable size, which disc is held between the plate 40 and a shoulder 36 of the mould liner 24. On further descent of the mould 22, the base-plate 37 is pressed down against the action of springs 39, the end of the container 10 thus passing through an aperture 41 in the plate 40 and engaging with the thermoplastic disc. The mould 22 descends to the position shown, by which time the portions of the disc overlapping the container mouth have been drawn out of engagement between the plate 40 and shoulder 36, and into engagement with the container walls. Heat conducted through the mould 22 and liner 24 from a heated plate 26, and pressure applied increasingly as the end of the container 10 passes further into the tapering recess 23, cause the overlapping disc portions to form a smooth uncreased skirt around the container, thus producing the cap 16 bonded to the container. The wall of the container 10 may itself be coated with a plastics material to improve this bonding. When the pressure has reached a sufficient level to produce a slight inward deformation of the unsupported upper end of the container 10, springs 45 carrying a table 43 supporting the container yield, preventing any further descent of the mould relative to the container. After a pause, sufficient to allow complete shaping and bonding of the cap 16, the mould is raised thus releasing the container end and tensioning the cap 16 across the container mouth. The sealing process is such that slight variations in the dimensions of the container are compensated for. Throughout the above process the container is held by clamps 11, which may form part of a conveyer (12), Fig. 1 (not shown), carrying the container (10) through the steps of formation, at a station (13), of abase (14) similar to the cap (16), filling of the container from a hopper (18) through a flexible conduit (19), application of a cap (16), as described above at a station (15) and finally discharge of the sealed package (21) into a receptacle (20).
Patent GB-1470335-A (GB)
Title: Gas to gas heat exchangers
IPC: C01B17/80
Filed: 1974-04-19
Abstract: 1470335 Heat exchangers RALPH M PARSONS CO 19 April 1974 [23 April 1973] 40375/76 Divided out of 1470334 Heading F4S In a heat exchanger in which one gas flows through a casing 12 in heat exchange with another gas flowing through a plurality of heat exchange conduits 30 (e.g. tubes or spaced plates) extending through said casing, means (shown as baffles 42) are provided to maintain a stagnant or quiescent zone 44 of relatively hot gas adjacent the point of entry of the cooler of the two gas streams into the heat exchanger. The stagnant zone 44 of relatively hot gas maintains the heat exchange surfaces above the dew point of the gases to inhibit corrosion. In Fig. 1 the cooler gas flows over the conduits 30 and is thereby heated. The stagnant zone 44 of this gas is however sufficiently heated by the heating gas passing out of the conduits 30 to maintain the heat exchange surfaces above the dew point of the gases. In Fig. 2, the cooler gas flows through the conduits 30 and is thereby heated, the stagnant zone 44 being supplied via the duct 48 from the hot gas inlet 24. As shown in Fig. 2, heat insulating material 20 may encase the heat exchanger. The apparatus is particularly intended for use in a process for the manufacture of sulphuric acid or oleum as described e.g. in Specification 1,470,334 wherein the gas which is to be heated, enters the heat exchanger through a conduit 10 itself heated by coils 14.
Patent GB-1329900-A (GB)
Title: Telecommunications systems
IPC: H04B1/74
Filed: 1971-08-31
Abstract: 1329900 Transmission systems SIEMENS AG 31 Aug 1971 [4 Sept 1970] 40504/71 Heading H4R In a transmission system having a normally operational channel and a standby channel with automatic switching of a receiver from the normal to the standby channel in the event of a fault in the normal channel, a pilot tone is fed into both channels at the transmit end and two pilot receivers are provided at the receive end with a switching system which connects one or other of the pilot receivers to the output of the switching device which effects the switching between the normal and the standby channels, while the other pilot receiver is connected to whichever of the channels is at that time the operational channel. Fig. 1 shows a terminal station with a transmitting equipment for a channel 1 and receiving equipment for a channel 2, similar equipment being provided at the other terminal station for the other direction of transmission. At the transmitter data signals from source 11 are fed through a pilot frequency rejection filter 12 to the two channels A and B, with a pilot signal of 300 Hz from generator 15 being added in each channel. At the receiver the switch S1 selects the signals on line A or line B, according to its position, to feed, via a pilot rejection filter, to receiver 25. In addition switches S2, S3 and S4 connect the output of switch S1 and the output of whichever of the channels is not at that time selected by switch S1, to pilot tone receivers P A  and P B  via pilot selection filters 27, 28, the switching being such that each pilot receiver is always associated with a particular channel, whether it is in use or not. A switching logic 31 provides switching signals to the switches S1 to S4 only when the channel to which the receiver is connected has no pilot signal above a predetermined level, at the same time as the pilot receiver connected to the other channel is responding. In addition lamps 321 and 322 are energized by non-response of the corresponding pilot receiver.
Patent GB-1500828-A (GB)
Title: Method for purifying dextrose solutions and isomerisation of dextrose
IPC: C13K1/08
Filed: 1975-10-03
Abstract: 1500828 Purifying dextrose solutions; removing heavy metals CPC INTERNATIONAL Inc 3 Oct 1975 [4 Oct 1974] 40678/75 Heading C2S A method for the removal of heavy metal ions from a dextrose containing solution, e.g. a starch saccharizate comprises passing the solution through a bed of a chelating resin, a complex adsorbing exchange resin or a selectively adsorbing cation exchange resin capable of selectively binding the heavy metal ions. The method may be applied to the continuous conversion of the dextrose solution to give terulose wherein the dextrose solution is purified as above and then the purified solution is passed through a second bed comprising a dextrose isomerase preparation.
Patent GB-1533416-A (GB)
Title: Blow guns
IPC: F04F5/48
Filed: 1975-10-09
Abstract: 1533416 Pressure cleaning TAYLOR & OSBORNE Ltd 18 Aug 1976 [9 Oct 1975] 41459/75 Heading A4F [Also in Divisions F1 F2 and F4] A blow gun for cleaning swarf from a drilled passage comprises a fluid supply passage 24 leading from a valve to an outlet nozzle 32 ported to atmosphere such that in normal use a fluid such as compressed air passes through a Venturi 42 in the nozzle and draws ambient air through ports 44, the ports acting as pressure-relief outlets should the nozzle outlet 46 be obstructed, ribs 50 preventing blockage of the ports 44 by a user's hand. As shown the blow gun comprises two parts 10, 32 joined by the passage 24, the tube 22 in which the passage 24 is formed being secured to the part 32 by a resilient retaining clip 40 and a plug 34 with an adhesive-coated thread to prevent unauthorized separation. The passage 24 communicates with radial ports 26 which are normally blocked by a reilient seal ring 18 of V-section under the action of the fluid supply pressure. By tilting the part 32 (and thus the tube 22) relative to the part 10 against bias imparted by the resilience of the seal ring 18, communication is established from the fluid supply via the ports 26 to the passage 24.
Patent GB-1031595-A (GB)
Title: Improvements in compressible tube pumps
IPC: F04B43/08
Filed: 1963-10-22
Abstract: 1,031,595. Rotary pumps. W. A. WEMYSS. Oct. 22, 1964 [Oct. 22, 1963], No. 41697/63. Heading F1F.  In a rotary pump of the flexible tube type, fluid in a tube 2 (Fig. 1, not shown) is displaced by rotation of a two-lobed cam 5 engaging with a plurality of balls or rollers 8 producing progressive radial compression of the tube against the peripheral wall of a part-circular recess in a housing 1, a gap between the end of the tube being bridged by a piece of flexible tubing 9 or flexible material 13 (Fig. 2, not shown) supported by a metallic member 12. The balls or rollers may be replaced by a plurality of pivoted arms 10. The tube 2 may be made of neoprene or Viton (Trade Mark), and may be lined with a material which is inert relative to the chemical composition of the fluid being pumped e.g. sodium hypochloride. The pump may serve as a vacuumpump.
Patent GB-1130765-A (GB)
Title: Anthraquinone disperse dyestuffs
IPC: C09B1/54
Filed: 1966-09-19
Abstract: 1,130,765. Anthraquinone dyes. SUMITOMO CHEMICAL CO. Ltd. 19 Sept., 1966 [1 Dec., 1965 (2); 3 March, 1966 (2)], No. 41700/66. Heading C4P. The invention comprises compounds of the formula where A is -SO 2 - or -CO-, R is an aliphatic or aromatic residue free from water-solubilizing radicals, X 1  and X 2  are amino or hydroxy radicals, Z 1 , Z 2  and Z 3  are hydrogen or halogen atoms, n is 1 or 2 and benzene nucleus W may be further substituted by a methyl, methoxy or hydroxy radical or a halogen atom. The compounds are prepared either by reacting a compound of the formula with an anhydride or halide of an acid of the formula RCOOH or with a halide of the formula RSO 2 X, where X is halogen, or by reacting together compounds of the formulµ the reactions being controlled in the presence of an acid binding agent.
Patent GB-1151317-A (GB)
Title: Process and device for the Heat-Setting of Padded or Printed Endless Synthetic Filament Groups and Top Slivers
IPC: D06P5/20
Filed: 1967-09-13
Abstract: 1,151,317. Continuous dyeing of synthetic filaments. VEPA A.G. 13 Sept., 1967 [20 Oct., 1966], No. 41703/67. Headings D1B and D1L. Continuous pad-dyeing or printing of synthetic filament groups e.g. tows and slivers of synthetic staple fibres with dyes which are set under the influence of heat is effected by passing a gas e.g. air heated to 170-230‹C through the filament groups or slivers which have been printed or padded with dye compositions, preferably a suction draft is employed. An apparatus for effecting the process consists of a padding or printing device with a sieve drum treatment device subjected to a suction draft the drums being covered with at least one fine wire mesh. In Fig. 1 tows 1 in cans 2 are arranged in parallel by a rake 3 and spread by blowing and spreading devices 4 and 5 and fed to a padder 6 impregnated with dye and passed to a sieve drum treatment plant 7. Partition 8 divides the plant into a drying chamber 9 and setting chamber 10 both chambers having sieve drums 11 subjected to a suction draft there also being provided baffles 12. Suction drum bowls 20 are used for washing followed by drying in sieve drums 21. After drying the materials are then separated by rake 3 and packed into cans 2. Each sieve drum is provided with a fan 13 and separated from it by a partition 14 which provides a treatment chamber 15 and fan chamber 16. Heater batteries 17 are used to heat the circulating medium which is equalized by sheets 18. The intake of the sieve drums is provided with rollers 19 the speed of which may be adjusted.
Patent GB-1378754-A (GB)
Title: Patient monitoring
IPC: G01S13/50
Filed: 1971-09-07
Abstract: 1378754 Electro-medical apparatus PEAK TECHNOLOGIES Ltd 14 Dec 1971 [7 Sept 1971] 41720/71 Heading G1N Movements of a patient, e.g. movements of the chest wall due to respiration, are monitored using a micro-wave field enveloping at least part of the patient and sensing variations in the field, an alarm being given when the degree of movement has fallen beneath a predetermined threshold value for more than a pre-selected interval of time. As described a micro-wave transmitter is used to provide the field, and a receiver is provided to sense the Doppler frequency shift due to movement of the patient. As shown, the components included within the dashed/dotted line in Fig.5a are mounted on one printed circuit board, and those in Fig.5b on another printed circuit board. A receiver diode D1 is provided and the frequency shift is represented by a cyclically varying voltage at the output of an amplifier A1, which voltage is applied to a capacitor C7. As the patient breathes the voltage across capacitor C7 passes above and below a threshold value of a transistor VT2 which operates a relay RL 1. The contacts of this relay then make and break a clamp circuit causing a pair of lamps to blink on and off at the respiration rate. The pulses produced are applied to a selected one of three capacitors C 2 , C 3 , C 4  in an alarm circuit, Fig.6. Should breathing cease causing the relay contacts to be permanently closed and the lamps to be permanently energized, the selected capacitor is allowed to discharge and after a delay (10, 20 or 30 secs. depending on the capacitor), a noise generator is energized. A recorder may be connected across one of the lamps or to the output of amplifier A1. In an alternative, only a micro-wave transmitter is provided, and load impedance variations at the transmitter due to movements are monitored by an auxiliary oscillator. The transmitter, receiver and associated circuitry may be mounted on a scanner which is pivotally mounted on a wall, Figs. 1 and 2 (not shown), or which is mounted on a free-standing support, Figs.3 and 4 (not shown). The alarm circuitry may be arranged at a remote location. (For Figures see next page)
Patent GB-935340-A (GB)
Title: Cyanoethyl amylose
IPC: C08B31/12
Filed: 1961-11-24
Abstract: Cyanoethyl amylose is made by treating an alkaline suspension of amylose with at last 0,2 moles of acrylonitrile per mole of amylose while maintaining the amylose suspension, neutralizing the suspension, and isolating the undissolved cyanoethyl amylose.  The suspending liquid is a polar solvent for acrylonitrile. The amylose may be of amorphous, spraydried or crystalline form, obtained from any native starch or starch modified by, e.g. hypochlorite oxidation, acid hydrolysis or enzyme treatment.  The suspending liquid may be, e.g. water, alcohols such as tert-butanol and ethers such as dioxane. The catalyst may be any alkaline substance soluble in the suspending liquid, e.g. alkali or alkaline earth hydroxides, tetra-alkylammonium and tetra-alkylphosphonium hydroxides, pyridine, and alkali metal alcoholates.  Preferably, the suspension, containing 1 to 20% of amylose is heated with 0,04-0,16 moles of catalyst/mole of amylose at 0 DEG -78\s2.  for at least 1 hour.  The reaction is preferably carried out in an inert atmosphere, e.g. nitrogen.  The cyanoethyl amylose has a DS of at least 0,19.  It is initially insoluble in cold water, but is solubilized by heating an aqueous suspension to above 125\s2.  to give a clear solution, from which cold-water-soluble powder may be isolated by evaporation, spraydrying or precipitation with an organic solvent, e.g. acetone.  Alternatively, the clear solution may be cast into cold-water-soluble films of cyanoethyl amylose.  Aqueous film-forming solutions of cyanoethyl amylose according to the invention do not gel or retrograde on storage.  When an organic suspending liquid is used in the reaction, the aqueous suspension is obtained by a solvent-exchange step wherein the reaction product is separated by filtration or centrifugation, washed with water to remove watersoluble impurities and resuspended in water. Specification 923,240, Canadian Specification 536,046 and U.S.A. Specifications 2,316,129, 2,515,095, 2,515,096, 2,829,987 are referred to.
Patent GB-898665-A (GB)
Title: Apparatus for shape rolling strip to form sections
IPC: B21D5/08
Filed: 1960-12-08
Abstract: 898,665. Angular bending. WOGERBAUER, A. Dec. 6, 1960 [Dec. 10, 1959], No. 42344/60. Class 83 (4). Apparatus for shape rolling strip to form sections comprising one or a set of punch rolls secured to a top shaft and a set of die rolls secured to a bottom shaft, which sets of rolls enclose a gap of uniform width corresponding to the wall thickness of the sections to be made, is characterized by disc-shaped section edge holders which can be mounted on the shaft of the one or set of punch rolls and which extend into the gap. Strip is formed to trough-shaped section 5 between a lower set of die rolls 3, Fig. 3, or 3 and 3<SP>1</SP>, Fig. 4, and an upper set of punch rolls 7, 8, 9, Fig. 3, or an upper roll 1, Fig. 4. Discs 10 on the shaft of the upper rolls or roll engage the edges of the shaped strip 5. Specification 848,272 is referred to.
Patent GB-1529707-A (GB)
Title: Safety closure cap
IPC: B65D50/04
Filed: 1975-10-16
Abstract: 1529707 Child-resistant closures ANCHOR HOCKING CORP 16 Oct 1975 [17 Oct 1974] 42478/75 Heading B8T An internally screw-threaded inner shell 7 is rotatably retained within an outer shell 6 and flexible pawl members 13 co-operating with ratchet teeth around the edge of a cavity 11 provide a ratchet arrangement for locking the shells together when screwing the plastics closure cap 3 on to a container, but radial pressure must be applied to the flexible shell skirt 9 to lock the shells together when unscrewing the closure cap. The coupling of the shells for unscrewing comprises spacedslots 22 and co-operating lugs 21, or a knurled or roughened region 33 and co-operating gripping projections 34 having friction surfaces. The coupling allowing relative rotation of the shells comprises a bead 8 projecting beneath the shell skirt 18 (Fig. 4) or a coupling pin 38 (Fig. 12). A sealing gasket 23 is provided.
Patent GB-1032683-A (GB)
Title: Device for connecting planks and the like
IPC: E04G5/08
Filed: 1961-11-30
Abstract: 1,032,683. Scaffold planks. ECLIPSE RAIL-TRUCK LADDER CO. Ltd. and C. J. MAY. Nov. 30, 1962 [Nov. 30, 1961], No. 42917/61. Heading E1S. Scaffold planks are connected end to end by loops 5 and hooks 6 provided on channels 2, 3 respectively attached to the corners of the planks, one flange of each channel being extended by a bar 4 as long as a plank also secured to the plank. A hook 6 on each plank is engaged in a loop 5 on the other plank with the ends of the planks in engagement.
Patent GB-930376-A (GB)
Title: Improvements in high-frequency furnaces
IPC: H05B6/04
Filed: 1959-12-18
Abstract: 930,376. H.F. furnaces. PHILIPS ELECTRICAL INDUSTRIES Ltd. Dec. 18, 1959 [Dec. 22, 1958], No. 43097/59. Class 38 (4). A thermionic oscillator feeding a high-frequency furnace which supplies a low-resistance heating coil 13 through a transformer comprising a coupling coil 11 and a circuit coil 3, 3<SP>1</SP>, is arranged to supply also a high-resistance heating coil 16. The circuit coil may be in two parts with the coil 16 connectible between, and two capacitors 4, 4<SP>1</SP> may be arranged so that some point in the coil 16 is at earth potential. A switch 18, 19 in one position is arranged to shunt a pair of terminals 17 and in another position to shunt the coil 13 and connect the coil 16 in circuit. The switch may have a third position whereby both coils are in circuit at once. In another arrangement the coil 11 may be in two parts each associated with a coil 3 or 3<SP>1</SP>, the two parts being connectible in parallel or series. The inductance of the coil 13 may be between 0.02 microhenrys and 1 microhenry and the inductance of the coil 16 may lie between 1 microhenry and 40 microhenrys.