baber/WOPTO huggingface dataset:
Patent GB-1049928-A (GB)
Title: A method and apparatus for producing, filling and sealing bag packages of paper or the like
IPC: B65B9/20
Filed: 1964-03-02
Abstract: 1,049,928. Packaging machines. K. OTT, [trading as HABRA-WERK WILHELM F. OTT]. March 2, 1964 [March 27, 1963]; No. 4340/64. Heading B8C. Packages of rectangular cross section are formed from a web 1 of paper or the like having a heat sealable coating by scoring the web longitudinally and then transversely before passing it through filling and sealing devices. The longitudinal scoring device may be in the form of scoring rollers 3, 3a between which the web passes before being folded into a tube 14 by a guide plate 21 and fingers 22. The transverse scoring device 24 may comprise a grooved plate 28 which co-operates with a further plate 29 under the control of a pressure cylinder 31. After scoring, the web passes over a shaping mandrel 34 where it is sealed longitudinally by a device 39 comprising a heated pressure plate 40- controlled by a hydraulic cylinder 42. A feeding device 43, which is connected with-the transverse scoring device, is reciprocated in a vertical direction together with the scoring device. The vertical advance of the tube is effected between a fixed and a displaceable stop, the latter being supervised by means of a photo-electric cell 55. Heat sealing jaws 68 and 69 reciprocate inwardly and form a transverse seam 91, and the tube is then filled with liquid through a filling passage 36. The jaws 68 and 69 are then opened and the tube advanced into a position in the lower part of two beaker halves 76 and 77. With the tube now stationary, cylinders 83 and 84 are impacted and the jaws 68 and 69 swing inwardly and upwardly causing bars 72 to draw a support 73, together with the beaker halves 76 and 77, upwardly and engage in pawls. The tube is provided with a transverse seam 91 at the top end which is urged upwards between the jaw ends 68 and 69 so forming a rectangular top with lateral protruding corner flaps 93. The rectangular bottom of the bag is formed within the beaker halves. The level of the liquid is regulated by an electrical control system 56. Impulse welding may also be used, replacing the jaws 68 and 69. Cutters are mounted on jaws 78 and 79 and sever a previously filled bag. The web 1 is wound from a roller via a container containing disinfecting liquid into the longitudinal sieving device. In front of the tube forming device may be a further disinfecting device, e.g. a damping roller or a spraying device. Ultra-violet radiation for sterilization may be supplied in the region of the folding device.
Patent GB-234176-A (GB)
Title: Improvements in carding machines for carding or opening and cleaning fibrous and like material
IPC: D01G9/00
Filed: 1924-02-21
Abstract: 234,176. Morton, W. Feb. 21, 1924. Openers. cleaners, &c.: feeding openers, cleaners, &c.-In a machine for carding or opening and cleaning Bock. wool, kapok, &c. of the type in which a toothed cylinder rotates within a casing provided with toothed workers, and the dust &c. is removed by a fan. a hopper feed and delivery door are provided which are automatically opened and closed at times which can be controlled to regulate the duration of the treatment. The cylinder A, Figs. 4 and 5. rotates in a casing F provided with workers B. The feed hopper C<1> is provided with a door C normally closed by a spring c<8>. The delivery door D is counterweighted and normally closed by springs. The cylindrical shaft a<1> drives through stepped pulleys .a countershaft 9<SP>1>, which drives through worm gearing a shaft g<4>. This shaft carries (1) a plate c provided with a stud c<1> adapted to engage a pivoted arm c<3> and opens the door C through a rod c<5>, and (2) a stud d. on the worm wheel g<3> which engages a cranked arm d<1> and opens the door D. The duration of the treatment is altered by moving the belt g along the stepped pulleys.
Patent GB-1176890-A (GB)
Title: Improvements in or relating to Electrical Control Systems
IPC: G11B15/48
Filed: 1968-01-29
Abstract: 1,176,890. Automatic control of speed. WESTEL ASSOCIATES, WESTEL Inc. and WESTEL CALIFORNIA INVESTORS [trading as WESTEL CO.]. Jan. 29, 1968 [March 24, 1967], No.4458/68. Heading G3R. In a system in which the speed of a magnetic tape capstan 16 is retroactively controlled, the control loop is responsive to play, stop, fast forward and rewind commands to produce different capstan speeds and directions, and during transitional periods the controlling signal is replaced by one at a fixed voltage. Pulses F derived from a tone wheel 34 (record) or from the tape (replay) are compared at 42 with reference pulses from a 60 c.p.s. generator during "play" and from a 3, 000 c.p.s. generator during "fast forward" or "rewind". The error signal is given a polarity appropriate to the required direction of rotation by an inverter 48 and after amplification drives the D.C. capstan motor 14. The pulses F are also compared at 96 with 30 c.p.s. pulses from a generator 98 and when below this value (at starting, stopping and during reversal) logic circuitry connected to the comparator 96 and to manual command switch circuits 66 &c. operates relays 116, 122 whereby the input to the motor drive amplifier 12 is switched from the error control signal to a fixed signal of appropriate polarity (+) or (-). For reversal, a further relay 124 connects the amplifier 12 to the fixed voltage of opposite polarity to produce reverse current braking and actual reversal, the control signal being switched in again when the pulse frequency exceeds 30 c.p.s. in the new direction. A "stop" command energizes another relay 126 which applies reverse current braking down to 30 c.p.s., when the amplifier input is connected to earth. The command switch circuits comprise manual switches which "set" associated flip-flops; the "set" output from these comprises the required command signals and also, by way of OR gates 84 &c., "resets" all the other flip-flops. When first switched on the system is set to "stop" by a one-shot device 92.
Patent GB-105241-A (GB)
Title: Improvements in and relating to Railway Rail Chairs.
Inventor: PETTINGELL DANIEL HIRAM
IPC: E01B9/54
Filed: 1917-03-28
Abstract: 105,241. Pettingell, D H. March 28, 1916, [Convention date]. Chairs with fixed and separate jaws; joint chairs; chair plates.-Reversible railway rails are carried by chairs which comprise a base-plate 3 having an upturned flange 7 and raised portion 8, an inclined brace 11 on the outer side of the rail formed integral with the chair-flange extension 10, and a curved brace 15 formed integral with a fish-plate 14 provided with a depending wedge 16 engaging between the rail base and raised portion 8. Bolts 19 engaging in vertically elongated holes in the rail and members 10, 14 secure these parts together whilst permitting relative vertical movement. The wedge 16 is held securely in position by bolts 23, as shown, to take up the wear of the rail base. Fig. 4 shows a form of chair plate 25 for use with the chair shown in Fig. 3.
Patent GB-540176-A (GB)
Title: Improvements in boxes or cartons for containing toilet powder
IPC: A45D33/00
Filed: 1940-03-12
Abstract: 540,176. Boxes for toilet powder &c. WOODARD, C., and WOOD. ROZELAAR & WILKES, Ltd. March 12, 1940. No. 4601. [Class 18] A container, e.g..box or carton, for toilet and other powder has an aperture covered by paper througl which access is obtained to the contents, the cover 3 being formed from the material of the top and a rim 10 being secure( beneath the opening. The cover 3 is itself contained within the normal cap oi lid of the box.
Patent GB-569183-A (GB)
Title: Processes of producing molding compositions and moldings and the products thereof
IPC: C08K7/12
Filed: 1942-04-08
Abstract: Asbestos heat-treated at a temperature of 900 DEG  F. to 1400 DEG F., preferably 1200 DEG  F., is used as a filler for thermosetting resinous condensation products which harden under alkaline conditions.  The asbestos may be in the form of fibres, threads, tape, felt or woven cloth.  Glass fibres, mica and cellulose pulp may replace asbestos in part.  A suitable melamine-formaldehyde resin is made by boiling a mixture of melamine (1 mol.) and formaldehyde (2 mols.) at pH 6.8, cooling to 75 DEG  C., adjusting pH to 8.6, removing water by heating under a vacuum of 9-10 inches of mercury, cooling and grinding the solid to a white powder. Alternatively, melamine (1 mol.) and formaldehyde (3 mols.) at pH 6.3 are heated at 80 DEG  C., cooled to 60 DEG  C., pH adjusted to 8 to 8.5 and dehydrated as above.  A suitable phenol-formaldehyde resin is made by refluxing an aqueous mixture of phenol, formaldehyde and sulphuric acid, dehydrating by heating under a vacuum of 9-15 inches of mercury, cooling and grinding to powder.  The melamine formaldehyde resin may be modified with dicyandiamide, phenols, aniline urea, thiourea and phenyl melamines.  Other suitable resins include aldehyde-aminotriazines, -cresols, -dicyandiamide, and mixtures thereof.  The compositions, which may contain mould lubricants, e.g. zinc stearate, hardening accelerators, e.g. benzoyl phthalimide and hexamethylene tetramine, are used as moulding compositions and for laminated products when the asbestos is in sheet form.
Patent GB-181062-A (GB)
Title: Improvements in or relating to methods and apparatus for the production of hydrogen
IPC: C01B3/24
Filed: 1921-02-09
Abstract: 181,062. West, J. H., and Jaques, A. Feb. 9, 1921. Coking processes.-To increase the hydrogen content of gases evolved in coking, the gases evolved during the initial stages are passed together with steam through partly carbonized coal of a later stage and at a temperature of about 1000‹ C. The apparatus comprises ovens A - - F worked in pairs so that when the carbonization process is in its initial stages in the ovens B, C, E the gases from these ovens are passed by pipes G, together with steam from pipes L, through the charge in ovens A, D, F, which are at a later stage. The pipe G may be reversed as shown in dotted lines and the gases containing hydrocarbon may be purified and stripped before being passed with steam through the incandescent fuel. According to the Provisional Specification, an externally heated vessel, which may contain a catalyst, may be employed to treat the distillation gases. Specifications 130,092, and 130,358 [both in Class 1 (i), Chemical processes], and 131,091 [Class 9 (i), Ammunition &c.] are referred to.
Patent GB-914476-A (GB)
Title: Improvements relating to dyeing processes and to levelling agents for use therein
Filed: 1959-02-10
Abstract: Quaternary amino amides of the formula:-  <FORM:0914476/IV (b)/1> wherein RCO- denotes an acyclic acyl group derived from an aliphatic carboxylic acid containing 20-22 carbon atoms, R1 and R2 each denotes an alkyl radical with 1-6 carbon atoms, or R1 and R2 may, together with the nitrogen atom, form a morpholino nucleus, R3 denotes an alkyl group with 1-6 carbon atoms or an aralkyl group of the benzene series and X- is a monovalent anion, are prepared by reacting a diamine of the formula:-  <FORM:0914476/IV (b)/2> with an acylating agent containing the radical RCO- and then quaternising the product with an aralkylating agent of the benzene series or an alkylating agent containing an alkyl radical with 1-6 carbon atoms.  Examples describe the preparation of behenamidopropyl-di - n - butyl - benzyl ammonium - chloride or -methosulphate.ALSO:Polyacrylonitrile fibres are dyed with basic dyestuffs in the presence of (as a retarder or leveller) a compound of the formula:- <FORM:0914476/IV (b)/1> wherein RCO denotes an acyclic acyl group derived from an aliphatic carboxylic acid containing 20-22 carbon atoms, R1 and R2 each denotes an alkyl radical with 1-6 carbon atoms, or R1 and R2 may together with the nitrogen atom form a morpholino nucleus, R3 denotes an alkyl group with 1-6 carbon atoms or an aralkyl group of the benzene series and X denotes a monovalent anion.  The compound may be added to the dyebath or may be applied to the fibres as a pretreatment. Numerous examples are given.
Patent GB-146060-A (GB)
Title: Improvements relating to guards for fans or air propellers
IPC: B64C11/00
Filed: 1920-02-16
Abstract: 146,060. Kettelwell, A. S., and Creagh, E. C. Feb. 16, 1920. Guards.-A guard for fans has several radial rods B, to the outer ends of which is connected a ring A of wire by eyebolts E which engage rotary nuts such as D, Fig. 2, or F, Fig. 6. In the form shown in Fig. 6 the nut F is held by two oppositely hooked strips g riveted in the end of the radial rod B.
Patent GB-1039552-A (GB)
Title: Improvements in and relating to bearings
IPC: F16C21/00
Filed: 1964-02-04
Abstract: 1,039,552. Bearings. MINSTER MACHINE CO. Feb. 4, 1964 [July 29, 1963], No. 4716/64. Heading F2A. A bearing for a member or slide 12 (Figs. 1 to 3, not shown) which is movable vertically in a frame 10 within a press, comprises a flat sliding bearing element 24 attached to the frame and defining a rectangular recess 40 containing a plurality of rollers 38 spaced apart from one another by a rectangular cage or carrier 36, the element 24 being separated from the bearing surface of the member 12 by a film of pressurized oil established by a pump 28 through conduits 32. Thrust acting normal to the bearing surfaces is partly carried by the element 24 to minimize stresses in areas engaged by the rollers. Alternatively, the element 24 may be either attached to the member 12 or free to move relative to the frame 10 and the member 12. The element 24 may be omitted and the sliding element of the bearing be constituted by the cage for the rollers. The rollers may be made of a resilient material, e.g. a synthetic plastics material or bonded glass-fibres, to allow the sliding element to take up an adequate proportion of thrust acting normal to the bearing surfaces. The rollers may be hollow (Fig. 7, not shown), and the cage for the rollers may be made of a resilient material, the rollers being disposed in a staggered formation on either side of the cage (Fig. 8, not shown). The bearing may be modified to form a bearing for a connecting-rod 18 (Figs. 9 to 11, not shown) coupled to a crankshaft 16, the rollers being replaced by balls 66. The bearing may be pre-loaded by a tapered bar 96 (Figs. 12 and 14, not shown) which is driven between a movable flat-member 94 and a stationary member supporting a rectilinearlymovable one 86, the rollers 80 being hollow and attached to a cage 82.
Patent GB-608097-A (GB)
Title: Improvements in and relating to locks
IPC: E05B27/08
Filed: 1946-02-15
Abstract: 608,097. Revolving-barrel locks. TRIGGS, W. W. (Yale & Towne Manufacturing Co.). Feb. 15, 1946, No. 4768. [Class 44] In a revolving-barrel lock having key-set elements or tumblers controlling the positioning of locking elements or drivers, each of the former has surfaces to co-operate with at least two of the latter to release the lock; preferably the release surfaces of two of the key-set elements requiring to be aligned to release one locking element. The release surfaces may be constituted by depressions, each key-set element having two such depressions, each of which is aligned with depressions on adjacent elements to permit movement of a locking element. The depressions may be formed, for example on the side edges of sliding key-set elements. In the embodiment described, the key-set elements 15, Figs. 1 and 3, are in the form of sectors of a cylinder, and are axially movable by means of a key 16 having shoulders 17 so that halfconical depressions 35 on adjacent elements are aligned to permit inward movement of locking pins 27, the elements 15 and the pins 27 being housed in a rotatable cylinder or plug 13. Each element 15 has a bore 18 within which is housed a spring 19 fitting about a post 20, the posts 20 projecting from a plate 21 rotating, in the cylinder 10, and carrying the bar 23 which operates the lock. The locking pins 27 are pressed inwardly by leaf springs 28, but in the locked position, as shown in Fig. 1, their upper ends, of the shape shown, lie within conical bores 33 in the cylinder 10. This formation of the pins and bores prevents pick-. ing by the application of a torque to the plug 13. Each element 15 is formed with at least one depression 35 at each side edge, and two such depressions are brought together by movement of the elements 15 to allow each pin 27 to move inwardly to release the plug 13 for rotation. False non-effective depressions 35 may be provided. The posts 20 are made weaker than the pins 27 so that force applied to a tool inserted in the key-way will shear the posts rather than the pins.
Patent GB-355191-A (GB)
Title: Improvements in or relating to the manufacture of pipes
IPC: B28B21/72
Filed: 1930-02-12
Abstract: 355,191. Concrete &c. pipes. SOC. METALLURGIQUE DU PERIGORD, 43, Rue de Clichy, Paris. Feb. 12, 1930, No. 4804. Convention date, Feb. 18, 1929. Void [Published under Sect. 91 of the Acts]. [Class 99 (ii).] In a pipe composed of a concrete wall 5 with an asphalt lining 2, the asphalt is protected by a layer 6 of non-calcareous sand. The sand is initially heated to a temperature slightly above the point of fusion of the asphalt so that when applied to the latter it will fuse its surface and become embedded therein. Coarse material 3 may be applied to the inner surface of the concrete wall to ensure adherence of the asphalt. In a modification the sand is replaced by concrete, with or without reinforcement, and preferably applied centrifugally.
Patent GB-765172-A (GB)
Title: Magnetic antenna with low leakage inductance
IPC: H01Q7/06
Filed: 1955-02-17
Abstract: 765,172. Aerials; radio direction-finding. BENDIX AVIATION CORPORATION. Feb. 17, 1955 [March 22, 1954], No. 4822/55. Class 40(7) The invention relates to magnetic aerial systems comprising a rotor consisting of a pick-up coil 2 wound on a high permeability rotatable core 1 which is surrounded by a plurality of collector bars 4, 5, 6 and 7 of highly permeable material symmetrically disposed about the rotor and extending radially from it in a common plane perpendicular to the axis of rotation of the rotor. Such an aerial system may be used for direction-finding by the null method or may be aligned for maximum signal strength for communication purposes. If each collector bar is coupled to the rotor by a single highly permeable pole piece 3, the pole pieces being separated from each other by air gaps 9, the leakage flux 8 through the pole pieces of the bars in minimum pick-up relationship to the rotor increases the inductance of the coil and impairs the match between the coil and its associated tuned circuit in the transducer. The increase in inductance is not constant but depends on the rotor position relative to the air gaps 9. The effect of the variation of rotor inductance may be to mask the direction finding null and so to cause errors in bearing determination. According to the present invention such errors are rendered small and unobjectionable by providing each collector bar with a pair of high permeablility pole pieces 10 and 11 disposed in low reluctance relationship with the bar and presenting equal reluctance to the flow of magnetic flux between the bar and the rotor. The are arranged to be symmetrical with respect to the plane which includes the longitudinal axis of the bar and is normal to common plane containing all the bars. Preferably the pairs of pole pieces are separated by an air gap 12 of uniform cross-section having substantially the reluctance as that of the air gaps 9. Specifications 719,526 and 765,171 are referred to
Patent GB-1406771-A (GB)
Title: Melamine-formaldehyde resin solutions
IPC: C08L61/00
Filed: 1973-01-31
Abstract: 1406771 Silicate-modified melamine-formaldehyde resins STAMICARBON BV 31 Jan 1973 [5 Feb 1972 28 July 1972] 4847/73 Heading C3R [Also in Division B5] A modified melamine-formaldehyde resin is prepared by reaction of melamine with formaldehyde in alkaline solution, a water soluble inorganic or quaternary ammonium silicate being incorporated before, during, or after the condensation, in amounts giving at most 1-5 wt. per cent SiO 2  in the product solution. When added before or during condensation, as pH adjuster, the silicate preferably provides up to 0À15 wt. per cent SiO 2  (from sodium silicate) or 0À1 wt. per cent (from tetraethanolammonium silicate). When added after the condensation the silicate preferably contains 10-20 wt. per cent SiO 2  and the resin solution is below pH 10; a stabilized silicate solution suitable for addition to the'resin solution contains 2-15 wt. per cent SiO 2 , acid to give a pH of 0À5-3, and 10-50 wt. per cent of a C 1-15  alcohol, a C 2-12  polyol or C 1-6  alkyl ether thereof, an N,N-di-(C 1-4 )alkyl C 1-4  carboxylic amide, a di-(C 1-4 ) alkyl sulphoxide or a C 4-7  lactam. In preparations 1-4 stable silicate solutions are prepared by adding 18% water glass (Na 2 O : SiO 2  1 : 3À3) to 25% aqueous toluenesulphonic acid, followed by triethylene glycol monoethyl ether, caprolactam, dimethyl formamide, or dimethylsulphoxide. In Examples I and II water glass is added both during and after the condensation of melamine with formaldehyde to give a pH of 9À7 and SiO 2  content of 0À08%; in Example III it is added during the condensation of melamine with formaldehyde and minor amounts of caprolactam, toluenesulphonamide and sugar; in Example IV the solution from Preparation 1 is added to a preformed MF resin solution followed by untreated water glass. The resin solutions are used to impregnate paper for laminating to chipboard.