baber/WOPTO huggingface dataset:
Patent GB-865438-A (GB)
Title: Improvements in or relating to cement applying apparatus
IPC: E04F21/12
Filed: 1956-11-30
Abstract: A cement-applying device adapted for use <PICT:0865438/III/1> with thermoplastic cement 136 supplied in rod form and to be held in the hand, comprises a handle 112, an extrusion nozzle 114, means 117 for heating the nozzle 114, a valve 190 associated with the nozzle 114, a trigger 152, a passage 134 into which the rod 136 may be introduced, and mechanism so arranged that pressing the trigger 152 will open the valve 190 and cause the rod 136 to be fed forward so that molten cement is extruded from the nozzle.  A lever 148 integral with the trigger 152 is pivoted manually about 150 against a spring 156 whereby a pin 195 on the lever 148 rides out of a recess 197 in a lever 192 to move the lever 192 anti-clockwise about a pin 193 against a spring 199 to withdraw the valve member 190, which is connected by a wire 191 to the lever 192, from the outlet 184 of the nozzle 114.  Further depression of the lever 148 causes an arcuate toothed rack 142, which is pivoted at 154 in the forked end portion of the lever 148, to move clockwise against a spring 144 until a pin 123 on the rack 142 enters a cut-away portion 121 in a tube 134 to allow the rack 142 to engage the rod 136 which is advanced to the nozzle 114.  An antifriction roll 160 is provided engaging the rod 136 through a cut-away portion.  The nozzle 114 has cooling fins 180 and is spaced at 178 from the body 110 by an adjustable clamp 168. The nozzle has a tubular electric heating element 117 supplied by leads 119 and enclosed by a brass sheath and by a sleeve 125 and washer 127.  The tip 186 of the nozzle 114 is removable. Release of the trigger 152 allows the rack 142 to ride back under the rod 136, the pins 123, 195 re-engaging their respective surfaces.
Patent GB-522767-A (GB)
Title: Improvements relating to a method and means for launching or assisting take-off of aircraft
IPC: B64F1/10
Filed: 1938-12-15
Abstract: 522,767. Aircraft launching gear. GENERAL AIRCRAFT, Ltd.. WILLIAMS. D. L. H., and CROCOMBE, F. F. Dec. 15, 1938, No. 36613. [Class 4] A method of launching or assisting take off of aircraft consists in supporting the aircraft by a structure, preferably a tricycle undercarriage 10, of which at least a nose component 6 of the aeroplane alighting gear is supported on the trolley. In such cases means such as 13 are included to maintain the landing element in contact with the trolley. The component 6 is forward of the centre of gravity of the aeroplane. and main landing gear 8 which is duplicated laterally, is rearward of the centre of gravity. The trolley 10 can be accelerated as by a cable 11 operated by a fluid pressure jack or by a drum winding mechanism. A nose wheel 7 is mounted between chocks 13, 14 the front one of which can be pivoted out of their way. In a modification, Fig. 2, the front wheel 7 is retained by forked lugs 15 secured by pins 19 retracted when necessary by cords 18. The forked lugs may be extended to engage pins on the aeroplane and may pivot outwards. In another modification rear wheels 9 may be supported on separate runways.
Patent GB-939061-A (GB)
Title: Alternating current machines
IPC: H02K21/24
Filed: 1959-10-28
Abstract: 939,061. Dynamo-electric machines. L. R. POWER CORPORATION. Oct. 28, 1959 [Oct. 28, 1958], No. 36673/59. Class 35. An alternating current machine has two planar air-gaps 103, 104 between permanentmagnet rotors 99, 100 and 101, 102, and a single winding 103<SP>1</SP> (shown displaced) having conductors 105, 106 in both air-gaps. The conductors may be shorter near the outer periphery than near the axis of the machine (Fig. 3, not shown). There may be magnetic inserts between the conductors, and these teeth may comprise laminated strip (Fig. 5, not shown).
Patent GB-1313716-A (GB)
Title: Process for preparaing alpha,beta-unsaturated carboxylic acids
IPC: B01J23/28
Filed: 1970-07-29
Abstract: 1313716 Alkenoic acids DAICEL Ltd 29 July 1970 [5 Aug 1969] 36717/70 Heading C2C α,#-Unsaturated carboxylic acids are prepared by oxidizing an α,#-unsaturated carbonyl compound in the vapour phase with a molecular oxygen-containing gas in the presence of a ternary catalyst of the formula where a is 12, b is 1 to 25, c is 0À1 to 10 then d is 38À65 under the condition that other elements are completely oxidized, wherein the catalyst is supported on a carrier of sintered shaped granular metallic aluminium. Examples disclose the preparation of acrylic and methacrylic acids.
Patent GB-1016768-A (GB)
Title: Reactive silica materials and process for producing them
IPC: B01J21/08
Filed: 1962-09-27
Abstract: Finely divided highly absorbent silica is prepared by adding a stoichiometric excess of sulphuric acid to an aqueous suspension of finely divided hydrous metal silicate having a particle size of less than 10 microns in a closed pressure vessel, injecting live steam into the reaction mixture, allowing the temperature to rise to 150-230 DEG  C., digesting the solution at 150-230 DEG  C. with continued injection of steam so as to extract more than 85% of the metal oxide content of the silicate, and washing the silica produced with water.  The temperature may be kept below the maximum by venting steam to the atmosphere when the corresponding steam pressure is reached.  The silica particles produced contain at least 82% of silica; and have a width/thickness ratio of 100, and facial dimensions of 0.1-5 microns, a BET surface area of 5-130 sq. m/gm., and more than 10 micromols of silanol groups per sq. m. of BET surface area.  The silicate may be in the form of kaolinite, halloysite, sericite, montmorillonite, vermiculite, illite, chlorite, or attapulgite.  The suspension may contain tetra sodium pyrophosphate as dispersing agent. The concentration of the sulphuric acid may be 20-93%.  Barium, calcium, zinc, lead or magnesium silicate having a BET surface area of 350-450 sq. m/gm. is produced by reacting the silica product with the metal oxide in an aqueous suspension at 90-100 DEG  C.  Sodium aluminium silicate may similarly be produced by reaction with aluminium silicate.  Sodium silicate having a Na2(SiO2 ratio of 1-5 may similarly be produced by reaction with sodium silicate of lower silica content.  At least 90% of the silanol groups of the finely divided absorbent silica may be esterified with a primary or secondary alcohol in a pressure vessel at a temperature of 200-240 DEG  C. The alcohol may be butanol, decanol or octadecanol.
Patent GB-304638-A (GB)
Title: Improvements in or relating to centrifugal blowers, compressors and the like
IPC: F04D29/46
Filed: 1927-09-21
Abstract: 304,638. Muir, N. S. Sept. 21, 1927. Divided on 302,953. Drawings to Specification. Guide vanes.-The guide vanes in the diffuser ring of a centrifugal blower are freely pivoted in the ring, preferably near their roots, and are of aerofoil shape in longitudinal section stops may be provided to limit the free movement of the vanes. Specification 302,953 is referred to.
Patent GB-366650-A (GB)
Title: Improvements in or relating to buffers for railway and like vehicles
IPC: B61G11/10
Filed: 1930-12-08
Abstract: 366,650. Buffers for railway &c. vehicles. MITCHELL, J., 69, Kenilworth Court, Putney, and COSSEY, J. C. G., Calbourne, The Vale, Golders Green, both in London. Dec. 8, 1930, No. 36998. [Class 103 (v).] In a railway &c. vehicle buffer of the kind in which a thrust-transmitting sleeve a at the rear of the buffer head b slides over the cylindrical casing g, springs c, e being accommodated in an enlarged portion of the sleeve a and in the casing, and in which a spindle f associated with the head b passes at the rear through the headstock h and is fitted with a recoil spring o, the spindle is made separate from and flexibly connected to the buffer head b in order to lessen its liability to fracture. In the construction shown in Fig. 1, the square head f<1> of the spindle f engages a correspondingly shaped. recess b<1> on the head b, and the spring c is disposed between front and rear washers j, k in the enlarged portion of the sleeve a, which is attached bv rivets d to the rear of the head b. In buffing both springs c, e are compressed in series until the washer k abuts against the end of the casing g, after which further compression is absorbed by the spring c only; while, in recoil, the spring c assists the rear spring o. In a modification, the cylindrical part of enlarged diameter containing the spring cis formed integrally with the buffer head, and the sleeve a of smaller diameter is riveted thereto. In a further construction, Fig. 3, the front washer j is formed integrally with a tubular rear extension j<1> abutting against a further washer l at the forward end of the spring e, whereby the spring e only is compressed at first, and subsequently both springs c, e in parallel. Or, the washer may be dispensed with and the sleeve j<1> formed integral with the buffer head b, or the spindle head f<1> may engage in a recess in the washer k.
Patent GB-1396901-A (GB)
Title: Galvanic dry cells
IPC: H01M2/12
Filed: 1972-08-08
Abstract: 1396901 Dry cell casing UNION CARBIDE CORP 8 Aug 1972 [9 Aug 1971] 37030/72 Heading H1B A resealable venting means for a dry cell comprises a resilient cover 20 having an annular flange 26 bearing on the rounded over upper portion 28 of cell container 10. As shown cover 20 has a further flange 22 forming a close fit with carbon cathode collector rod 14 and an intermediate annular projecting portion 24 has a circumferential notch 30 engaged by the rim of container 10 but permitting gas accumulating in 18 to pass and be vented by the flapper valve constituted by flange 26 and the rounded container surface. Cover 20 is held in place by metal cap 36 secured to the cell jacket 34, the arrangement permitting escape of the vented gases. In an alternative embodiment (Fig. 3, not shown) the engaging surfaces of the container and notch 30 may be sealed with grease, passages being provided through cover 20 to the venting means, or non-sealed regions being left. A liquid-absorbing washer may be provided in space 18 to trap electrolyte (Fig. 5, not shown). Container 20, e.g. of zinc, may have a shrunkon film tubing applied thereto.
Patent GB-896210-A (GB)
Title: Heat exchanger
IPC: F28F21/06
Filed: 1960-10-31
Abstract: 896,210. Tubular heat exchangers. BROWN FINTUBE CO. Oct. 31, 1960 [Nov. 18, 1959], No. 37302/60. Class 64(3) A polygonally shaped bundle of heat exchange tubes 17 disposed within a cylindrical shell 10 is. surrounded by an open ended wrapping 42 which is sealed to the shell, thereby constraining fluid flowing longitudinally within the shell to flow only around the tubes, filler means 62 and 64 being disposed within the wrapping and blocking fluid flow through at least some of the spaces between the adjacent finned tubes. In the form shown the tube bundle comprises a plurality of U-tubes, the wrapping 42 surrounding only finned tube portions 18 of the bundle. The fins on adjacent tubes in the bundle are prevented from intermeshing by bands 36 wrapped around individual tubes. The wrapping 42 preferably comprises a strip 45 wound helically around the tube bundle with adjacent turns overlapping as shown. Resilient sealing means 50 are disposed at one end of the wrapping adjacent the shell inlet 14. To enable inspection, cleaning or repair the bundle of hairpin tubes can be withdrawn or inserted as a unit. The apparatus is suitable for heating oil which flows around the tubes, by means of steam flowing through the tubes. Specification 810,349 is referred to.
Patent GB-905468-A (GB)
Title: Improvements relating to cartons and like containers for liquids or free-flowing solid material
IPC: B65D1/14
Filed: 1959-11-06
Abstract: 905,468. Containers for liquids. BRITISH PETROLEUM CO. Ltd., and MAIER, H. U. Oct. 31, 1960 [Nov. 6, 1959], No. 37695/59. Class 18. A container for liquid or pulverous materials is made from a synthetic plastic material and has such a shape as may be obtained by cutting a right prism, having a square crosssection, along a line taken from a corner of the prism to a point on the diagonally opposite edge which is at least half-way along the edge from the end of the prism containing the aforementioned corner or, along a line joining two diagonally opposite corners, so as to produce a diamond shaped surface. The container may also have a hexagonal cross-section In another embodiment in Fig. 7 (not shown) the container may comprise an outer carton made from cardboard and an inner deformable envelope, which on filling resumes the shape of the rigid carton. For packing and sale the containers are produced in series of two packs forming a right prism with the volumetric ratio of the pack so adjusted that it may be possible to make up quantities in varying fractions of volumetric measures. Opening of the package is effected by puncturing a thin patch incorporated at or near the tapered end and which is formed during moulding and sealed by heat treatment after filling.
Patent GB-1415046-A (GB)
Title: 2-hydroxyethyl-2-hydroxydecalin
IPC: B01J23/00
Filed: 1973-02-15
Abstract: 1415046 2-Hydroxyethyl-2-hydroxy-decalin SOC ANON ROURE BERTRAND DUPONT 15 Feb 1973 [16 Feb 1972] 37799/74 Divided out of 1415045 Heading C2C The invention comprises 2-hydroxyethyl-2- hydroxy-decalin. The compound is prepared by reducing a C 1 -C 6  alkyl ester of 2-carboxymethyl-2-hydroxy-decalin, which may be prepared by treating #-decalone with a C 1 -C 6  alkyl ester of a haloacetic acid in the presence of zinc.
Patent GB-327137-A (GB)
Title: Improvements in and relating to the manufacture of catgut ligatures
IPC: A61L17/08
Filed: 1928-12-21
Abstract: 327,137. Lampitt, L. H., and Morley, H. P. Dec. 21, 1928. Ligatures.-Surgical ligatures are sterilized by means of iodine while under tension e.g. by winding under tension on glass spools. In the process described, the intestines are removed immediately after the animal is slaughtered and thoroughly cleansed. if desired with the aid of a sterilizing agent. They are frozen for transport to the laboratories where on arrival they are thawed out in tap water and measured into sodium bicarbonate solution. They are then cut into strips and tied into bundles and introduced in trays into a washer containing water and a buffer solution, e.g. a solution of sodium acetate in dilute acetic acid, alum or other hardening agent being also added. The washing liquid is continuously circulated for some hours after which the washer is emptied and filled with water containing sodium carbonate and alum. The strips are then scraped for removal of fat particles and washed again in a sodium carbonate and alum solution. The strips may next be sterilized, e.g. by means of iodine vapour, hydrogen peroxide or mercuric iodide, and are then spun into ligatures, wiped and dried. The ligatures are smoothed by wiping with a sterile dry cloth, using sterile ground pumice mixed with a suitable gel as lubricant, and gauged, and may next be hardened by suspending them at fixed tension on metal frames and immersing in a chromic salt bath the strength of which and the time of immersion being varied according to the degree of hardness desired. The ligatures are drained and may then be immersed for a short period in a tannic solution. The ligatures are dried. by warm air, cut down from the frames, polished and gauged. The final sterilization of the plain or hardened ligatures may be effected by treatment with iodine vapour. Preferably, however, aqueous iodine solution is used. The ligatures are wound at fixed tension on cylindrical glass spools which are placed in glass jars to which the iodine solution is added. The jars may be evacuated. The ligatures may also be placed in tubes which are evacuated, the breaking of the vacuum causing the solution to run into the tubes. The ligatures are stored in glass tubes containing a sterilizing solution.
Patent GB-354150-A (GB)
Title: Improvements in or relating to wearing apparel
IPC: A41D27/10
Filed: 1930-12-16
Abstract: 354,150. Wearing-apparel. HAUGH. TON, S. G. and FRAZER & HAUGHTON, Ltd., Cullybackey, Co. Antrim, Ireland. Dec. 16, 1930, No. 37883. [Class 141.] A woman's garment comprises a lining bodice I with sleeves 2, 3 aid a sleeveless outer garment or dress 6 for wear over the bodice, the sleeves of the latter passing through the open armholes 7 of the outer garment. The sleeves are constructed with terminal cuff part, having a tuck portion 8 which may be let down for lengthening the sleeve. The sleeve 3 is shown with the tuck partly let down, the dotted line indicating the sleeve when further lengthened. The sleeves may be made of alpaca and lined with the same material from which the bodice is made. The tuck is preferably embodied in a cuff of substantially inverted M-shape as set forth in Specification 351,893.
Patent GB-1095786-A (GB)
Title: Dibenzocycloheptene derivatives
Filed: 1965-09-07
Abstract: Novel compounds of the Formulae (I) and (II), wherein the dotted line indicates the presence of an optional double bond, are prepared by reacting the corresponding tertiary amines with hydrogen peroxide in the presence of a solvent.  <FORM:1095786/C2/1> <FORM:1095786/C2/2> Therapeutic compositions, with antidepressant properties, in the form of tablets, powders, capsules, sustained release pellets, suspensions, injectable solutions, elixirs and syrups for oral or parenteral application, comprise compounds of the Formulae (I) and (II) together with an inert diluent or carrier.
Patent GB-1061052-A (GB)
Title: Improvements in or relating to microscopes
IPC: G02B21/20
Filed: 1961-10-25
Abstract: 1,061,52. Microscopes. R. L. GREGORY. Jan.24, 1963 [Oct. 25, 1961], No.38255/61. Heading G2J. In a stereoscopic microscope having binocular eyepieces 12, 13 and objective 11, the objects 21 is repeatedly oscillated between two limit positions 22, 23, the images of which constitute a stereoscopic pair. Shutters 24, 25 in the two eyepieces are rotated in synchronism with the oscillations of the object so that only the relevant images are seen by the observer, the speed of the oscillations being sufficient for the images to be seen simultaneously. In a modification only one shutter is used, either with one opening or two openings each covered by a polaroid sheet, a further polaroid sheet being incorporated in each eyepiece.
Patent GB-1481729-A (GB)
Title: Arrangement for controlling an ac motor
IPC: H02M7/525
Filed: 1974-09-02
Abstract: 1481729 Frequency changing; control of inverters and A.C. motors WESTINGHOUSE ELECTRIC CORP 2 Sept 1974 [11 Sept 1973] 38262/74 Headings H2H and H2J An arrangement energizable by D.C. voltage for controlling an A.C. motor 15<SP>1</SP> comprises an inverter 23<SP>1</SP>, having a plurality of selectively actuable switching devices A1 .. C2, arranged to couple the D.C. voltage 43<SP>1</SP> to the motor 15<SP>1</SP> and firing pulse generating means arranged to integrate the D.C. voltage 43<SP>1</SP> and produce firing pulses for the switching devices A1 ... C2 such that the frequency is proportional to the D.C. voltage 43<SP>1</SP>. Automatic starting means is included for gradually increasing the D.C. voltage, together with over current sensing and restarting means. The D.C. voltage 43<SP>1</SP> is preferably derived by rectification of the supply mains 55, using a semi-controlled rectifier, the conduction angle of which is adjusted so as to determine the magnitude of the D.C. voltage and hence the frequency and voltage applied to the induction or synchronous motor 15<SP>1</SP>. As described, the motor 15<SP>1</SP> is preferably 130 HP having a permanent magnet rotor and driving a centrifugal fan. The motor 15<SP>1</SP> is arranged to operate with leading power factor so that the inverter 23<SP>1</SP> may be naturally commutated. The D.C. voltage from semi-controlled rectifier 43<SP>1</SP> is integrated at 31<SP>1</SP>, giving a ramp which rises until it reaches a reference voltage 33<SP>1</SP>, when a crossover detector 36<SP>1</SP> operates a reset circuit 37<SP>1</SP>. The circuit thus produces ramps the frequency of which is proportional to the D.C. voltage 43<SP>1</SP> and which are supplied to a firing pulse generator 25<SP>1</SP> for the thyristors A1 ... C2. Starting.-A start signal generator 61 initiates operation of a slow ramp generator 63 which is fed to phase-controlling circuits 59, 57 so that the D.C. output from semi-controlled rectifier 43<SP>1</SP> is gradually increased so that the voltage and frequency applied to the motor 15<SP>1</SP> is also gradually increased. Under starting conditions, the current from rectifier 43<SP>1</SP> may be discontinuous. A circuit comprising diodes 79 and resistors 81, 83 is therefore included to fill in the gaps from the voltage induced in the motor 15<SP>1</SP>. The direct current is monitored at 51<SP>1</SP> and fed to a circuit 53<SP>1</SP> where it is compared with a reference 65 and arranges a restart if the current becomes excessive. A further reference 73 may be included to prevent inhibiting of the rectifier 43<SP>1</SP> in the event of load current being greater than the starting current. In Fig. 10 (not shown) the firing pulses for the rectifier 43<SP>1</SP> are produced by a phase-locked voltage-controlled oscillator. Figs. 8-11 relate to arrangements of integrated circuits (not described in the Specification) for the various firing pulse generators.
Patent GB-1087270-A (GB)
Title: Magnetic tape
IPC: G11B5/845
Filed: 1966-08-26
Abstract: 1,087,270. Magnetic structures. INTERNATIONAL BUSINESS MACHINES CORPORATION. Aug. 26, 1966 [Sept. 2, 1965], No. 38320/66. Heading H1H. A magnetic tape is produced by applying a layer of magnetic particles dispersed in a fluid binder on to a tape base using the pole of the orienting magnet as doctor blade. A reservoir of the dispersion may be held behind the U- shaped part of the magnet, the pole arm of which is polished and lies parallel to the tape. Alternatively, an electromagnet may be used.
Patent GB-345211-A (GB)
Title: Improvements in automatic pistols
IPC: F41A11/00
Filed: 1929-12-17
Abstract: 345,211. Automatic pistols. PAILLOT, L., 2, Rue Marengo, Liege, Belgium. Dec. 17, 1929, No. 38593. Convention date, April 15. [Class 119.] A detachable cover 26 for the rear of the pistol grip is secured at the bottom to the side cheeks 10a of the body 10, by a spring-pressed T-bolt 36, Fig. 3, the arms 37 of which engage recesses in the side cheeks. The top of the cover is secured to the body by a transverse pin 27 which passes through registering holes in the cover and side cheeks. The part of the pin within the cover is of flat section and the pin can be turned by a handle 28 to allow of its passage through a slot 35 when the cover is removed. To retain the pin against withdrawal, it may be split longitudinally or provided with a spring leaf to engage the outside of the cheek remote from the handle. The Specification as open to inspection under Sect. 91 (3) (a) also describes (1) with reference to Fig. 1 (Cancelled), a lever 3 to indicate whether the chamber is empty or loaded, (2) with reference to Fig. 4 (Cancelled), a magazine with separate view-holes 13 showing the number of cartridges in the magazine, and (3) with reference to Fig. 7 (Cancelled), a lever 18 which is engaged by the magazine platform 23 and locks the breech block 8 in the open position when the magazine is empty. This subject-matter does not appear in the Specification as accepted.