baber/WOPTO huggingface dataset:
Patent GB-1188635-A (GB)
Title: Process for the Copolymerisation of Olefinic Compounds
IPC: C08F4/28
Filed: 1968-12-06
Abstract: 1,188,635. Copolymerization. WACKERCHEMIE G.m.b.H. 6 Dec., 1968 [7 Dec., 1967], No. 58096/68. Heading C3P. Mono-olefins containing 2 to 6 carbon atoms are copolymerized with other monomers in aqueous dispersion by a free radical mechanism at -50‹ to + 50‹ C., using a catalyst comprising (a) a peroxide (b) hydrogen or a hydrogenliberating compound, (c) a colloidally distributed Group VIII noble metal in amount of 0.000001 to 0À01 weight per cent based on the monomers, and (d) ions of iron, copper, nickel, cobalt, chromium, molybdenum, vanadium or cerium in amount of 0À1 to 10 gm. atom per gram atom of noble metal, and not exceeding 0À001 weight per cent based on the monomers. Preferred olefins are ethylene, propylene and isobutylene. Many suitable comonomers are listed including vinyl and vinylidene halides; vinyl esters; acrylic, methacrylic, maleic, fumaric, itaconic and citraconic acids and esters; N-vinyl compounds; unsaturated alcohols; acrylamide and N-methylol acrylamide and vinyl sulphonate. The colloidal dispersion may be prepared in the presence of the additional metal ions, or added to the polymerization mix separately, and may be stabilized with protective colloids. Many suitable peroxides, dispersing and emulsifying agents and protective colloids are listed and examples describe the copolymerization of vinyl chloride with (1 and 2) ethylene, (3) propylene and (4) isobutylene in the presence of sodium paraffin sulphonate, hydrogen, palladium, potassium persulphate and ferrous ammonium sulphate; and of ethylene and vinyl acetate in the presence of (5 and 6) methanol, methyl cellulose, alkylbenzene sulphonate, hydrogen, palladium, ammonium persulphate and ferrous ammonium sulphate, (7) methanol, polyvinyl alcohol, alkyl benzene sulphonate, hydrogen, palladium, ammonium persulphate and copper sulphate, (10) hydroxyethyl cellulose, nonylphenol/ethylene oxide condensate, tetrapropylene benzene sulphonate, sodium vinyl sulphonate, hydrogen, palladium, ammonium persulphate and ferrous ammonium sulphate, (8) and together with butyl acrylate (9) methanol, methyl cellulose, alkyl benzene sulphonate, hydrogen, palladium, ammonium persulphate and ferrous ammonium sulphate.
Patent GB-1193484-A (GB)
Title: Method of Stabilising Chlorosulphonated Polyethylene
Inventor: GALLAGHER GEORGE ARTHUR
IPC: C08K3/28
Filed: 1967-08-08
Abstract: 1,193,484. Chiorosulphonated polyethylene dispersions. E. I. DU PONT DE NEMOURS & CO. 8 Aug., 1967, No. 58427/69. Heading C3P. Aqueous dispersions of chlorosulphonated polyethylene comprise as stabilizer sodium nitrite and dinitrotoluene. Latices may be prepared by forming a dispersion comprising water, organic solvent, chlorosulphonated polyethylene and stabilizer and removing the organic solvent at atmospheric pressure by the aid of heat. The dispersions may be prepared with the aid of conventional anionic emulsifiers, e.g. long chain sulphonates and sulphates. Preferred solvents are toluene and carbon tetrachloride, and a water and oil soluble emulsion modifier, e.g. isopropanol, may also be present. In an example the solvent is removed from a dispersion of chlorosulphonated polyethylene, benzene, isopropanol, water, sodium alkyl benzene sulphonate and sodium nitrite and dinitrotoluene, and the resulting latex is creamed with sodium alginate. The products are useful as adhesives.
Patent GB-1173588-A (GB)
Title: Method and Apparatus for The Guantitative Packing of Materials.
Inventor: YAMASHITA HACHIRO
IPC: B65B37/12
Filed: 1966-12-30
Abstract: 1,173,588. Metering material to be packaged. H. YAMASHITA. 30 Dec., 1966, No. 58451/66. Headings B8C and B8S. The centrifugal force of a rotating disk distributes produce equally to compartments around the disk periphery for delivery into containers. In one embodiment shown in Fig. 1, granular produce fed from a conveyer 26 accumulates in a weighing hopper 27 of which bottom flap 29 opens at a predetermined weight to discharge the produce into a funnel 20. A cone 7<SP>1</SP> at the bottom of the funnel distributes the produce on to a rotating disk 9, above which a disk 4 rotates at the same or a lower speed, the action of the inclined faces being to break up any aggregations of produce. The produce is then urged by the centrifugal force into a number of fixed compartments 33 which direct the produce into buckets 56 having a hinging base 57 and carried on an intermittently moving arm 59. When the batch load has been distributed the arm 59 rotates to carry the buckets 56 over sacks 61 which are carried on a rotating bed 64 which rotates about an axis parallel to the arm 59. Each bucket discharges through a shoot 60 into a sack which is then carried by the bed to a station (B), Fig. 6 (not shown), where it is sealed, thence to a station (C) where the filled sack is removed from its supporting cradle 67, a new sack being put on to the cradle at station (D<SP>1</SP>). There may be only one rotating disk which may take the form of the disk 9 as shown or may comprise purely an inclined flat surface 9a, Fig. 4 (not shown). In a further embodiment described in Fig. 5 (not shown), produce is fed continuously from conveyer 26 into the funnel which leads to the rotating disks, which are in the form of an inclined flat surface. The produce is then discharged from compartments 33 into weighing hoppers (27a) which at a given weight open to discharge into containers (25) positioned beneath. Whilst the hoppers (27a) are discharging a flap (37) shuts off the discharge shoots 23 of the compartments 33.
Patent GB-1379240-A (GB)
Title: Cartridge-actuated fastener-driving tools
IPC: B25C1/18
Filed: 1971-12-16
Abstract: 1379240 Cartridge actuated fastener driving tools IMPEX-ESSEN VERTRIEB VON WERKZEUGEN GmbH 16 Dec 1971 [14 Jan 1971] 58498/71 Heading B4C A cartridge actuated fastener driving tool provided with an axially movable barrel 3 accommodating a fastener driving plunger 7 includes a channel 22 in which a cartridge magazine 24 is located when the tool is in use, and a manually displaceable means engageable with means on the magaine for effecting stepwise advance of the magazine. The displaceable means includes a manually movable member which projects from hand-grip 1, and the displaceable means is actuable independently of the movement of the other tool part. As illustrated step-wise advancement of the magazine 24 carrying cartridges 23 and provided along one or both longitudinal edges with teeth 24<SP>1</SP> is achieved by pushing a sleeve 25 into the hand-grip 1 against bias of spring 26. An elongate spring member 27 has bent ends 27<SP>1</SP>, 27<SP>11</SP> for engaging beneath a tooth 24<SP>1</SP> and the inner end of sleeve 25 respectively. The end 2711 is clamped between the spring 26 and the sleeve 25. Inward movement of the sleeve moves the spring member 27 and thus the magazine. Release of the sleeve permits return of the sleeve and the spring member 27 to their initial positions so that the end 27<SP>1</SP> of the spring member engages beneath the next tooth 24<SP>1</SP>. A spring wire 30 engages beneath a tooth 24<SP>1</SP> so as to prevent movement of the magazine with the sleeve 25 when the latter returns to its initial position. The spring member 27 instead of being separate from the spring 26 may be formed integrally therewith. In operation pressing the muzzle end of barrel 3 against a work surface causes the barrel to move rearwardly in housing 2 so that a cartridge is received in chamber 8. Rearward movement of the barrel also causes cocking of firing pin 12 by means of an arm (16) (Fig. 3, not shown) engaging a spring biased pin 15 mounted in a transverse bore of the firing pin. Squeezing of trigger 18 with the tool cocked causes cam member 19 to move a further cam member 20 against spring bias so as to urge the pin 15 into its bore and out of engagement with the arm (16). Thus the firing pin will move forwardly to detonate the cartridge. When the barrel moves forwardly realtive to the housing after a fastener has been driven a pin 10 projecting into the barrel bore via slot 9 will be engaged by the piston head 7<SP>1</SP> and then by the rear end of the slot 9 so that the piston 7 will be located in its firing position. Replacement of pin 10 by pins of different configurations will enable the space 3<SP>11</SP> to be varied so as to vary the power of the tool.
Patent GB-1352858-A (GB)
Title: Machine for straightening and cutting metal wire or strip into pieces
IPC: B21F23/00
Filed: 1971-12-20
Abstract: 1352858 Producing wire and strip; shearing EVG ENTWICKLUNGS-U VERWERTUNGS GmbH 20 Dec 1971 [22 Dec 1970] 59144/71 Headings B3A and B3W A machine for straightening and cutting material in the form of metal wire or strip into lengths comprises a straightening device 20, Fig. 1, a conveyer 1, 2, a shearing device 31, an adjustable required-length transmitter 42, Fig. 3, for controlling the length of material to be cut off, a measured-length sensor 35 for measuring the length of material conveyed through the machine, and an adjustable number-of-cuts counter 44 to reset the measured-length sensor after each shearing action, the measured length sensor and required-length transmitter both being connected to a comparison circuit 41 which compares the length sensed by the sensor with that of the transmitter. The machine further comprises a programming system, Fig. 4 (not shown), which includes a plurality of required-length transmitters and number-ofcuts counters arranged in pairs which can be energized one after the other and may represent different batches of cut lengths. The straightening device 20 consists of fixed lower rollers 21 and adjustable upper rollers 22 and the conveyer consists of two sets of rolls 1, 2. Lower rolls 2 are acted upon by a spring 3 supported by a rod 5 and guide plate 4 and driven by a motor 11. The lower rolls can be raised and lowered, so as to grip and release the material, using a pneumatic cylinder 10. The shearing device 31 is operated via an eccentric 29 and a connecting rod 30 which are coupled by way of a pneumatic coupling to a flywheel 27 driven by motor 11. Electropneumatic valve 32 controls the admission of compressed air to cylinder 10 and also controls the shearing device. The measuredlength sensor 35 comprises a measuring wheel 36 which rides against the surface of the material and drives a pulse transmitter disc 38a between the arms of a pulse transmitter fork 38, which may be constructed as a photo-electric or magnetic sensor. Pulses from the fork are transmitted to a pulse divider 39 and thence to a pulse counter 40 which is connected to the comparison circuit 41. When the required length is obtained a pulse is delivered to counter 44 and rolls 2 are lowered to stop advance of the material and both the cut counter 46 and shearing device 31 are actuated. Two or more straightening devices may be arranged to operate in parallel with each other, both feeding to a common shearing device and controlled by a common system.
Patent GB-1285036-A (GB)
Title: Methods and apparatus for joining tubes
Inventor: DAVIES DAVID CHARLES
IPC: G21C13/02
Filed: 1968-12-13
Abstract: 1285036 Rolling tubes UNITED KINGDOM ATOMIC ENERGY AUTHORITY 2 Dec 1969 [13 Dec 1968] 59390/68 Addition to 1163583 Heading B3M The end of a zirconium alloy tube 7 is joined to the end of a steel tube 6, to provide a nuclear reactor pressure tube, by forming annular grooves 8 in the interior of the steel tube, inserting the tube 7 within the tube 6, and roll swaging the tubes into engagement, the tube ends being supported externally by a collar during the swaging. A small clearance between the ring 1 of the collar and the tube 6 permits the tubes to be elastically deformed into contact with the ring during swaging.
Patent GB-1323107-A (GB)
Title: Mosfet switch circuit
IPC: H03K3/013
Filed: 1970-12-15
Abstract: 1323107 FET switching circuits HUGHES AIRCRAFT CO 15 Dec 1970 [15 Dec 1969] 59493/70 Heading H3T A MOSFET gate 8 responds faster than a bistable 10 to opening of a switch 2 to provide an output pulse at T free of contact bounce, the gate 8 also being responsive to the bistable output Q F  to terminate the pulse. Switch 2 is normally closed so that S is low at -V DD  (S.W. Fig. 2, not shown). An inverter F.E.T. 70A receiving S applies R to the second input of bistable 10, S being applied to the first input. F.E.T.s 39G, 39H are on when inverse clock pulse RESET is low, and the gate capacitance of 39F is then charged by S to -V DD . When the clock pulse changes and RESET goes low F.E.T.s 39G, 39H turn off and F.E.T.s 39D, 39E, turn on. Since F.E.T. 39F is held on by its gate charge, F.E.T. 39A of the flip-flop is turned off and 39B on to make Q F  rise to V SS . Thus only Q F  and RESET of the three gate inputs are high, and no output occurs. When switch 2 is opened, S rises to V SS  because of resistor 48R. While RESET is low F.E.T. 39C gate capacitance charges through F.E.T. 39G to -V DD  since R is the inverse of S, and when RESET is low the flip-flop resets to make #Q F  go low. However due to the slower operation of the flip-flop, #Q F  remains high for a period after S and #RESET have gone high, and an output T is generated which sets a further bistable 12. Once flip-flop 10 is reset to make #Q F  low, no further response can occur to check signals since gate 8 is blocked thereby. When switch 2 closes again, the next low clock pulse RESET followed by a low RESET sets the flip-flop to prepare for the next opening of switch 2. When that occurs, the bistable 12 is changed over again (QT, Fig. 2, not shown).
Patent GB-1277702-A (GB)
Title: Scanning optical apparatus
Inventor: JOEL HENRY G
IPC: G03B27/52
Filed: 1970-12-18
Abstract: 1277702 Photographic apparatus ING C OLIVETTI & C SpA 18 Dec 1970 [22 Dec 1969] 60313/70 Heading G2A Optical scanning apparatus for use in, e.g., an electro-photographic copier, comprises a light source 12; an object support 18; a scanning mirror 11 reflecting light from the source 12 so as to illuminate a portion of the support 18; an objective lens 16 receiving light reflected from the illuminated portion by the mirror 11; and means for rotating the mirror 11 so as to incrementally scan the support 18 with light from the source 12 while intercepting the reflected image beam and redirecting it to the lens 16. The source and lens are both fixed, and, in another embodiment, Fig.2 (not shown), are positioned in substantially the same angular position with respect to the direction of the scan path from the mirror 11 to the support 18, which is cylindrical about the rotational axis 20 of the mirror. Light from the lens 16 is reflected by a mirror 21 on to sensitized electrophotographic paper 23 moving on vacuum platen 25. The mirror 11 is driven in synchronism with this movement by a motor 26. After exposure the paper 23 is developed, fixed and dried. A field lens may be provided to introduce curvature when the image is to be formed on a rotating drum.
Patent GB-1420745-A (GB)
Title: Sewing machines and sewing machine attachments
IPC: D05B3/18
Filed: 1971-12-31
Abstract: 1420745 Sewing; attaching hooks NEWEY GOODMAN LTD 29 Dec 1972 [31 Dec 1971] 60971/71 Heading D1G A device forming an attachment for or a part of a sewing machine to assist the sewing of hooks to articles, e.g. between layers 19, 20, Fig. 3, of tape, the hooks each comprising a base 1, Fig. 1, and a bill 7, comprises a hook supply chute 45, Fig. 5, down which hooks pass one behind the other with their bills uppermost, the lower end of the chute having a spring latch to hold the leading hook until it is withdrawn by a peg 67 on a lever 66, Fig. 7, pivoted at 65 to a slide 60 carried in a bed 51 mounted on a base plate 50, the withdrawing movement of the lever being to the right in Fig. 7 and being effected by a spring (not shown), engaging an arm 62 fixed to slide 60, when a lever 85 carrying a roller 65 is freed by a cam 82. The lever 66 is pivoted against a spring by a screw 81 on a lever 77 actuated by a cam 72. The bed 51 is then moved between stops 58, 57, against a spring, by a lever 53, arm 55 of which is engaged by a lever 78 actuated via lever 74 by a cam 71, to move the hook to the sewing station where it is held by the peg 67 until the machine has sewn several stitches 23, the machine preferably being of the swing needle type. Thereafter the lever 66 is tilted to release the peg from the hook and the tape feeds starts for further sewing while bed 51 is returned by its spring and slide 60 is moved to the left by cam 82. When sewing of the hook is completed, the tape feed is stopped and peg 67 is lowered to engage the next hook in the chute. This hook is then moved to the sewing station as previously described. All the control cams are mounted on a cam shaft 39 which is rotated intermittently via gearing from the machine drive. A cam is provided on the shaft to govern lateral swinging of the needle, and this arrangement, together with the intermittent tape feed mechanism, may be of the kind described in Specification 1415493. If there is no hook present in the chute for engagement by the peg 67, the lever 66 pivots further than usual to engage, with its right hand end, a switch which stops the machine. A manually-operable lever 88 may be depressed at will to hold lever 66 and prevent peg 67 from engaging a hook. If a malformed hook prevents the peg from removing it from the chute, then as slide 60 moves to the right, the lever 66 will pivot to engage the aforementioned switch to stop the machine.
Patent GB-611577-A (GB)
Abstract: 611,577. Batteries. BORNHAUSER, O., and AKKUCONSORTIUM. May 3, 1946, No. 13459. Convention date, May 3, 1945. [Class 53] A battery is provided with a water-soluble depolarizer which is dissolved in a substance which will not mix with water. Diffusion of the depolarizer through the electrolyte towards the negative electrode is thus retarded. Chlorine, bromine and iodine may be used as depolarizers and may be dissolved in carbon tetrachloride, carbon disulphide, soft or hard paraffins, chlorinated hydrocarbons or rubbers or phenol, vinyl, acryl or other synthetic resins. Certain halides of lead, antimony and arsenic are stated to be soluble in the above substances and may be used as depolarizers. The electrodes may consist of zinc and carbon and the latter is placed in contact both with the solution of the depolarizer and the electrolyte.
Patent GB-1249149-A (GB)
Title: Improvements in or relating to building blocks and or cladding sheets
Inventor: LINGL HANS
IPC: E04C1/39
Filed: 1968-12-24
Abstract: 1,249,149. Building blocks. H. LINGL. 24 Dec., 1968 [21 Jan., 1968], No. 61316/68. Heading E1B. Apertured blocks 1 having accurately ground bearing faces 12, 13 are formed in one side surface with a series of ribs 2 into which recesses 3 are accurately milled cladding panels 8 being suspended from the undercut edges so that they abut the base of the recesses 3, and therefor the dimension 17 determines the thickness of the cladded wall. The blocks and the cladding panels are bonded together by adhesive. The blocks are extruded to roughly the size and shape required and accurately finished by machining before and after firing. (For Figures see next page)
Patent GB-1286520-A (GB)
Title: Photographic flashlight unit
Inventor: SHAFFER JOHN W
IPC: F21K5/12
Filed: 1969-12-17
Abstract: 1286520 Photographic multi-flash units GTE SYLVANIA Inc 17 Dec 1969 [19 Dec 1968(2)] 61553/69 Heading G2A A photographic multi-flash unit, e.g. a flashcube (2) Fig.1 (not shown) containing percussion ignitable flash-lamps (6) mounted on a base 4 and each having a metal primer tube 16 is provided with folded torsional spring means mounted on the base 4 for striking the primers to ignite the lamps. As shown, one spring per lamp is provided, each spring 1 being of hairpin shape, one segment 3 of which has its end 9 shaped to define a catch 11, and the other segment 5 of which has its end shaped to define a striker 13 held by the catch 11 in its cocked position. A central post 15 of the base 4 provides a bearing post for the heel of the striker 13 during cocking. The cocked striker is displaced by a finger 18 of a camera to which the unit is attached moving up through a slot 20 in the base 4. In another embodiment, Fig.4 (not shown), the lower portion of the segment (5') near the striker (13') crosses over and lies behind the segment (3') to prevent inadvertent shocks from uncocking the striker (13') and to provide a pivot for the released striker. In both embodiments, reflectors (8) are provided, one per lamp (6), and the major portions of the springs (1) (1') are clustered in the space behind the reflectors (8). The stationary leg 9, (9') may be e.g. bent, and the striker need not be striaght. The segments 3, 5 could be doubled again to increase the total amount of energy stored. The springs may be made of metal or of glass fibre reinforced plastics.
Patent GB-2002260-A (GB)
Title: Release sheet, method of making same and use thereof
IPC: B44C1/20
Filed: 1978-07-31
Abstract: Disclosed is a release sheet comprising a base sheet, a release surface over the base sheet, and first and second gloss-producing layers permanently secured to the base sheet, the first gloss-producing layer being continuous over the surface of the base sheet and covering the entire sheet and the second gloss-producing layer forming a discontinuous pattern over the first gloss-producing layer and imparting a different gloss level from the first gloss-producing layer, to thereby produce a differential gloss pattern on the release sheet which is transferable to a plastic film or sheet formed on or against the release sheet without transfer of the materials forming the first and second gloss-producing layers. Also disclosed are the method of making the release sheet, the method of forming the plastic film or sheet on or against the release sheet, and the plastic film or sheet product so formed.
Patent GB-2009596-A (GB)
Title: Toothpaste
IPC: A61Q11/00
Filed: 1978-12-05
Abstract: An anti-caries toothpaste containing sodium monofluorophosphate and alumina trihydrate abrasive but not containing zinc ion- producing compounds has a dentine abrasion value of 30 to 60 units and the alumina trihydrate consists of a mixture of an alumina trihydrate of average particle size 5 to 13 microns and an alumina trihydrate having an average particle size below 1 micron, the two grades of alumina trihydrate being in a weight ratio of 30:70 to 70:30. <IMAGE>
Patent GB-2058869-A (GB)
Title: Explosively Propelled Buried Ground-Marker Injected by an Earth-Anchor or Survey Beacon to Provide a Concealed Reference Point Below Ground Level
IPC: E02D5/80
Filed: 1979-01-08
Abstract: A method of and apparatus for providing a concealed marker below the surface of the ground whose position is separate from but co-axial with, or otherwise spatially related to, an earth anchor or survey beacon extending into the ground mass from its surface level, comprises driving earth anchor, or beacon into the ground mass with the marker attached to but not secured to the anchor and then operating a mechanism of within the anchor to separate the marker from the anchor and to cause the further penetration of the marker into the ground mass along the penetrating axis of the anchor. The further penetration into the ground of the marker may be effected by either an explosive charge within the anchor or marker, or by a retractable rod operating mechanically in, or through, the anchoring mechanism. As an aid to its subsequent recovery from its concealed position the marker may be either magnetised or made radio-active prior to its installation into the ground. <IMAGE>