baber/WOPTO huggingface dataset:
Patent GB-1341511-A (GB)
IPC: B02C9/04
Filed: 1972-05-04
Abstract: 1341511 Beater mills BUEHLER AG GEBR 4 May 1972 [7 May 1971] 20831/72 Heading B2A A beater mill having a rotor with pivoted hammers 30 includes a screen 15 having a straight portion 16 parallel to the direction of material entry at one end and a portion merging with guide surfaces 27, 28 at the other, the material entering approximately tangentially to the rotor. The rotor is mounted on an overhung driven shaft and a doublewalled door closes the mill housing at the non- drive side. During operation, air passes outwards through the screen and through apertures (39, 40, 41), Fig. 5 (not shown) into the door space 38 and back past a ring 43 on the door inner wall and a hub 33 on the rotor, into the grinding chamber. The inrushing air sweeps material back which would otherwise escape through the gap 42. When the hammers are worn, the screen may be detached and turned 180‹ so that the portion 16 is on the right as seen in Fig. 2. A pivotable selection flap 11 is operated to redirect incoming material from the initial channel 12 to channel 13. The rotor is then run in the reverse direction. Ground material leaves through the bottom at 9. (For Figures see next page)
Patent GB-1165255-A (GB)
Title: 9-Piperidyl and 9-Piperidylidene Derivatives of Acridan
IPC: C07D401/04
Filed: 1967-05-04
Abstract: 1,165,255. 9-Piperidyl and 9-piperidylidene derivatives of acridan. SMITH KLINE & FRENCH LABORATORIES. 4 May, 1967 [16 May, 1966], No. 20868/67. Heading C2C. Novel therapeutic compounds I and II (and salts thereof) in which R<SP>1</SP> is hydrogen, alkyl, acyl, hydroxyalkyl, acyloxyalkyl, cycloalkylcarbonyl, cycloalkyl-alkyl, phenyl-alkyl, alkenyl or alkynyl; R 2  is H, Cl, Br, alkyl, alkoxy-alkylthio, CF 3 , methylsulphinyl, trifluoro-methylsulphonyl or dimethylsulphamoyl; R<SP>3</SP> is alkyl, alkenyl, cycloalkyl-alkyl, phenyl or phenyl-alkyl and in the piperidyl compounds II R<SP>3</SP> is also hydrogen, are prepared either (a) by the interaction of a Grignard compound of a 1-substituted-4- halo-piperidine and the appropriate 9-acridone followed by distillation under reduced pressure and then followed, optionally, by reduction of the piperidylidene linkage or of an acyl group, or (b) by the interaction of an acridine and the above Grignard reagent. Method (a) proceeds via a 9-hydroxy-9-piperidyl-acridan intermediate and several are described. Products obtained in which R<SP>1</SP> is H may be acylated or alkylated, or hydroxyethylated with ethylene oxide and the resulting hydroxy group may then be acylated. 9 - (1 - Cyano - 4 - piperidylidene) - 10 - methyl-2-trifluoromethylacridan is prepared by treating the corresponding 1-methyl compound with cyanogen bromide and the resulting cyano compound can then be heated under reflux with glacial acetic acid and concentrated HC1 followed by treatment with aqueous sodium hydroxide to afford 9-hydroxy-9- (4-piperidyl) - 10 - methyl - 2 - trifluoromethylacridan. 10 - Methyl - 2 - methylsulphinyl - 9 - acridone is prepared by oxidation of the corresponding 2- methyl-thio compound.
Patent GB-277476-A (GB)
Title: Improvements relating to yeast manufacture
IPC: C12N1/16
Filed: 1926-08-24
Abstract: 277,476. International Yeast Co., Ltd., (Fleischmann Co.). Aug. 24, 1926. Yeast.-In the manufacture of yeast, wort of low gravity such as 2‹ Balling containing water,. seed yeast and enough nutrient to increase the seed yeast by one-half is fermented in a closed or open fermenter at e.g. 31‹ to 33‹ C. with aeration until the yeast content is increased by onehalf. One-third of the yeast containing liquid is then removed, and water and nutrients added to compensate for evaporation and the using up of the material. The fermenter may be 11 feet high and 4 feet diameter, and the nutrient consists of sugar, grain and inorganic nitrogen compounds such as ammonium phosphate, ammonium sulphate and aqua ammonia. More than twenty successive yields may be taken in this way. Specifications 155,284 and 238,554 are referred to.
Patent GB-383242-A (GB)
Title: Improvements in automatic central buffer couplings for railway and like vehicles
IPC: B61G7/06
Filed: 1932-07-25
Abstract: 383,242. Combined buffing and drawgear for railway &c. vehicles. KRUPP AKT.-GES., F., Essen, Germany. July 25, 1932, No. 20920. Convention date, Dec. 22, 1931. [Class 103 (v).] In an automatic central buffer coupling for railway &c. vehicles of the kind in which the coupler-heads B<1>, B<2> are provided with guide members B<1>, B<2> for aligning purposes, and in which additional surfaces co-operating with the members B<1>, B<2> are provided to increase the vertical range of action of the latter, these additional surfaces are in the form of pyramidal recesses D .. G designed to prevent any jamming of the heads when the coupling is effected on a curve. As shown in Fig. 8, which represents one limiting position of the coupler-heads A<1>, A<2>, the tip of the member B<2> engages the co-operating recess near its apex E<1>, which lies on the inclined face of the coupler-head. Preferably one edge F, G of the base of the pyramid, as shown in Fig. 7, lies at right-angles to the longitudinal axis of the coupler.
Patent GB-1060329-A (GB)
Title: Improvements in or relating to casings for turbines
IPC: F01D9/04
Filed: 1965-05-18
Abstract: 1,060,329. Turbines. PRVNI BRNENSKA STROJIRNA ZAVODY KLEMENTA GOTTWALDA NARODNI PODNIK. May 18, 1965 [May 21, 1964], No.20950/65. Heading F1T. Stator blade carrying segments are mounted in the inner casing of a turbine by means of axially spaced circumferentially extending tongues 3 on the casing engaging corresponding grooves 4 in each segment. The grooves 4 are formed in end portions (5) of each segment (2), Fig. 2 (not shown), the portions (5) extending circumferentially along only a small proportion of the length of the segment. A pin at one end fixes the segment circumferentially but permits thermal expansion.
Patent GB-686991-A (GB)
Title: Improvements in or relating to apparatus for developing sensitised layers
Inventor: LAMBERT GEORGE RANDOLPH
IPC: G03D7/00
Filed: 1949-08-11
Abstract: 686,991. Photographic developing apparatus. OZALID CO., Ltd. Oct. 12, 1950 [Aug. 11, 1949], No. 20959/49. Class 98 (ii). In an apparatus such as that of Specification 495,392, in which exposed photo-sensitive material is traversed over a perforated screen constituting a wall of a development chamber and there subjected to the action of developing vapours, usually ammonia vaporized by heating means within the chamber and passing through the apertures of the screen; a container or reservoir for liquid from which the vapour is produced is provided external to the chamber, compressed air is supplied to the surface of the liquid and a conduit with end below the surface communicates with vaporizing means within the chamber. As shown, air is supplied from source 53 through pipe 51 to the interior of container 32 to force liquid within the container through pipes 50, 52 to a control unit 33 which forms the subject-matter of Specification 686,990, and thence, within the chamber 10, to a vaporizing nozzle or jet 31 in distributer tube 23 below which is an electrical heating element 25, Fig. 1 (not shown). A Winchester of ammonia may be used as container 32, the normal stopper being replaced by one carrying pipes. Specification 686,989 also is referred to.
Patent GB-1092535-A (GB)
Title: Piezo electric ignition devices
Inventor: PINKESS LESLIE HAYDN
IPC: F23Q3/00
Filed: 1964-05-21
Abstract: 1,092,535. Piezo electric generators. EVERED & CO. Ltd. Aug. 20, 1965 [May 21, 1964], No. 20959/64. Heading H2A. [Also in Division F4] A piezo-electric igniter comprises a casing 10 containing within an insulating sleeve 13 an H.T. conductor 12 connected to a steel anvil 14 which is in contact with the piezo-electric element 18 via a conducting aluminium pressure pad 17a; a striker 21 is adapted to deliver a blow to the element 18 via a hardened steel pressure plug 19 and a second conducting pressure pad 17b after said striker has been automatically released upon being loaded to an extent sufficient to obtain said energy. The striker, of cylindrical shape, is loaded against the action of a spring 23 by a pin 27 provided with a ball catch 29 housed in a blind radial bore 30, which engages in an annular recess 26 in the interior surface of the striker. When the striker spring is compressed to a predetermined extent its end abuts the bush 11b which serves as a stop member, and an extra pull on the pin 27 causes the catch 29 to be released and the striker to give a sharp blow to the element 18. The aluminium members being resilient adapt themselves to the shape of the end faces of the element and distribute the force applied by the striker uniformly. An earth return is provided to the end of the element 18 remote from the H.T. conductor 12 by the casing 10. The pin 27 is provided with a reset spring 32. In the embodiment of Fig. 3 (not shown), two piezoelectric elements 118 are separated by a pressure pad 117c which is connected to the H.T. conductor 112 by a screw 134. The extreme ends of the elements 118 are electrically connected to the casing 110 so that electrically the elements are connected in parallel. In the embodiment of Fig. 4 (not shown), the striker 221 is withdrawn against the action of a spring 223, by a pot magnet 235, and is released either when the attraction of the magnet is overcome by the loading of the spring or when the spring is fully compressed so as to become " solid " against a collar 245.
Patent GB-889404-A (GB)
Title: Waveguide
IPC: H01Q21/00
Filed: 1959-06-19
Abstract: 889,404. Aerials. HUGHES AIRCRAFT CO. June 19, 1959 [July 21, 1958], No. 21192/59. Class 40(7). [Also in Group XL(b)] A rectangular waveguide, which can be used as a multi-pattern antenna, for propagation therein of a dominant mode has one of the narrow walls 31 formed with at least one slot 32 extending transversely thereacross whereby substantially no microwave energy -of dominant modeis radiated from the slot, and has an element 36 exhibiting gyroresonance disposed near the slot and which, upon being adjustably magnetised, converts the dominant mode to higher order modes with current components in alignment with the narrow dimension of the slot, thereby controlling the amounts of microwave energy radiated by the slot. The element 36 can be magnetised by movable permanent magnets or controllable solenoids, but preferably as shown in Fig. 4, a controllable electromagnet 66 is used for establishing a controllable static magnetic field 37 through the element 36 parallel to the slot 32 to cause the slot to radiate energy polarised parallel to the longitudinal axis of the waveguide. The element 36 can be a cylindrical ferrite rod disposed parallel to the slot. In other arrangements two ferrite rods 41, 42 are arranged parallel to the slot 43, three ferrite rods 46, 47, 48 are symmetrically arranged parallel to the slot 49, or rectangular ferrite rods 56, 57, 58 are symmetrically arranged parallel to the slot 59.
Patent GB-257622-A (GB)
Title: Manufacture of acetals
IPC: C07C43/30
Filed: 1926-08-27
Abstract: 257,622. Consortium f³r Electrochemische Industrie Ges. Aug, 27, 1925, [Convention date]. Acetals.-In the production of acetals by the reaction of acetylene upon a liquid monohydric or polyhydric alcohol in the presence of a mercury salt, the product is continuously removed as soon as formed to prevent its transformation into resinous compounds. The removal may be effected by adding to the reaction mixture an immiscible solvent for the acetal, such as paraffin oil, or by conducting the operation at an elevated temperature or under reduced pressure to vapourize the acetal. The removal in the vapour form may be promoted by using an excess of acetylene, or by passing an inert gas or vapour, such as benzene vapour, carbon dioxide, or nitrogen through the reaction mixture, or by a substance such as potassium acetate having a " salting out " action. When using a vapour, it may be generated in the mixture, e.g. by the addition of benzene. The catalytic mercury compound is preferably kept in fine suspension in the alcohol by agitation and the mixture is maintained at the required temperature, if necessary by cooling. Fresh alcohol and/or catalyst is added continuously or at intervals. According to the example, concentrated sulphuric acid is added to a suspension of mercury acetate in ethyl alcohol and acetylene is passed in excess through the mixture, which is stirred and kept at its initial temperature of 75‹ C. by cooling with water; diethylacetal and unchanged alcohol are condensed from the issuing gases and the excess acetylene is returned to the reaction. Alcohol and fresh catalyst are continuously added and mercury slime withdrawn from the bottom of the vessel. The acetal is isolated from the condensate or the latter may be used directly as a solvent &c.
Patent GB-320895-A (GB)
Title: Improvements in or relating to electric fuses
IPC: H01H85/055
Filed: 1928-07-23
Abstract: 320,895. Dicker, S. G. S., (Naamlooze Vennootschap Philips' Gloeilampenfabricken). July 23, 1928. Fusible cut-outs.- A fuse for small currents consists of a fine wire 15 of nichrome sealed in a tube 12 which is exhausted or filled with gas at low pressure. The wire 15 is attached to leading- in wires that connect with end-caps 10, 11. The gas may be hydrogen, nitrogen, or other gas having a high electron affinity to prevent arcing. The wire may be reduced in diameter at two points near its ends so that the central part becomes detached when the fuse blows. This reduction of diameter may be effected by applying a corrosive etching agent to the wire by means of saturated cushions 20, 21, Fig. 4. between which the wire 16 is pressed.
Patent GB-799186-A (GB)
Title: A continuous process for catalytically alkylating aromatic hydrocarbons and alkylatable hydroxy derivatives thereof in the liquid phase by means of olefins
IPC: C07C37/14
Filed: 1955-07-25
Abstract: An aromatic hydrocarbon or an alkylatable hydroxy derivative thereof such as phenol or resorcinol is alkylated with an olefin in a homogenous liquid phase reaction mixture comprising a silicate catalyst of natural or synthetic origin, containing in a combined form one or more of the metals Al, Mg and Zr.  The olefin concentration in the reaction mixture is maintained below 1 mol. per cent and the olefin and hydrocarbon are continuously supplied in a molar ratio higher than that in the reaction mixture itself but not higher than the stoichiometric molar ratio involved in a predetermined degree of alkylation of the hydrocarbon. Hydrocarbons or hydroxy derivatives thereof containing 15-50 per cent aromatics, e.g. the mixtures obtained in the platforming (Registered Trade Mark) process, may be treated.  The process may be used to prepare dialkyl benzenes from monoalkyl benzenes and an olefin, e.g. di-isopropyl benzene from cumene.  The olefin referred to is propene; a mixture of olefins and saturated hydrocarbons, e.g. propane, may also be used. The process may be carried out at 150-320 DEG  C. and 10-60 atm. pressure.  The catalysts may also contain calcium, sodium and potassium silicates and, in combined form, hydrogen, carbon and sulphur together with oxygen, e.g. H2O, CO2 and SO3, and also traces of iron.  The catalysts may contain, for example, 85-90 per cent by weight of SiO2 and 15-10 per cent of Al2O3. The catalyst, for example aluminium silicate, may be subjected before use to a surface-modifying treatment, e.g. by treatment with steam for 1-24 hours at 600 DEG  C., or with hot air or inert gas at 800 DEG  C.; or by treatment with aqueous HF solution.  The process may be applied to the alkylation of cumene with propene to form di-isopropyl benzene, in which case to avoid polymerization of the propene, at least 50 per cent of the cumene, together with a small quantity of propene, may be pretreated with the catalyst; alternatively, pretreated cumene may be prepared by transalkylation of higher iso-propylated benzene derivatives or an isomerization of di-isopropyl benzene.  Higher alkylated products of the alkylation reaction may be dealkylated or transalkylated; ortho and meta dialkyl benzenes formed may be isomerized; and undesired higher alkylation products may be recycled to the alkylation stage.  Specification 504,614, [Group III], is referred to.
Patent GB-1474822-A (GB)
Title: Screw of the kind used in an extruder comprising a plurality of hollow screw components juxtaposed in end-to-end relation
IPC: B29C48/03
Filed: 1975-05-20
Abstract: 1474822 Extruder screw construction HERMANN BERSTORFF MASCHINENBAU GmbH 20 May 1975 [3 Dec 1974] 21565/75 Heading B5A [Also in Division F2] Hollow extruder screw components 5, 6 are coupled end-to-end by a splined sleeve 11 and secured against relative axial movement by, for example, a tie rod 15. Faces 16, 17 prevent radial movement and the tie rod 15 may be screwed into the end component 5 as shown. The extruder screw may be formed of several hollow components coupled by sleeves 11 each being provided, if desired, with a bridging screw web 25.
Patent GB-625963-A (GB)
Title: Improvements in or relating to vehicle drives
IPC: F16D3/50
Filed: 1947-08-07
Abstract: 625,963. Universal joints WESTINGHOUSE ELECTRIC INTERNATIONAL CO. Aug. 7, 1947, No. 21578. Convention date, Sept. 18, 1942. Drawings to Specification. [Class 80 (ii)] The subject-matter of this Specification is identical with that described in Specification 580,984.
Patent GB-597597-A (GB)
Title: Improvements in or relating to the manufacture of nests of parallel tubes
IPC: B23K9/00
Filed: 1945-08-23
Abstract: 597,597. Making heat - exchangers. SULZER FRERES SOC. ANON. Aug. 23, 1945, No. 21587. Convention date, Sept. 23, 1944. [Classes 83 (ii) and 83 (iv)] Uniting by fusion.-In making nests of parallel tubes connected together by welded bridges and secured in tube plates, the tubes and tube plates are held by a template jig during welding and some or all of those tubes which heat up in the welding operation are cooled by a cooling medium while some or all of the other tubes which are not or only slightly warmed during the welding operation are heated by a heating medium. The tubes are welded in layers and of the tubes of the upper layer 12a all are air-cooled during welding except the particular tubes actually being welded. Some of the tubes of the lower layers 12c, which have been previously welded, are air-heated during welding of the upper layer and an intermediate layer 12b is left neutral so that it neither absorbs nor gives off heat, or an insulating material such as asbestos sheet or asbestos or glass wool may be introduced between layers 12a and 12b or 12b and 12c. Warping by non-uniform heating is thus avoided. The tubes are placed in consecutive layers on notched templates 6 resting on beams 1, 2, 3 provided with lateral pillars 4, 5, the layers being held down by notched template beams 7. The ends of the tubes are passed through tube plates 11 mounted in end templates 8, 9. The tubes of the layer 12a are held at the right distance apart and in contact with notches in the beams 7 by wedges 24 between the tubes of the two upper layers. The pillars 4, 5 are provided with holes 23 to keep the beams 7 in a position corresponding to the top layer of tubes. The tubes of the layer 12a except the tube actually being welded are cooled by air passing along a distributing pipe 13 and then through pipes 16 provided with valves 17. Heated air may pass through the lower layers from an adjustable distributing casing 14 connected by a jointed pipe 20 to a heater 19 and fan 18 connected by a jointed pipe 22 to a casing 21 at the other end of the tubes. When the tubes of the layers 12a and 12b have been welded, they are tested for leaks by fluid pressure supplied by a pump through pipe 27 to a distributing pipe 28 connected by pipes 29 to the tubes which are sealed at this end by devices 34 pressed against the tube with the aid of a ring 35 by fluid pressure and sealed at the other end by plugs. In welding, which may be effected autogenously or electrically, the welds 26a in the centre of the tube layers are effected first and the welds 26b are then made on the same and neighbouring tubes in staggered fashion. The welds 26c are then made, followed by the welds 26d. The ends of the tubes are expanded in the tube plates by tube expanders or by fluid pressure after each layer has been completed or after all the layers have been completed.
Patent GB-1129001-A (GB)
Title: Process for preparing margarine, etc.
IPC: A23D7/05
Filed: 1966-05-17
Abstract: 1,129,001. Margarine. UNILEVER Ltd. 17 May, 1966 [19 May, 1965], No. 21775/66. Heading C5C. In a method of preparing margarine, part of the fat is emulsified with the liquid phase and the remainder is subjected to precrystallization by cooling while being mechanically worked, the heat generated is removed from the precrystallized fat by cooling to at least 20 C., the cooled fat is then mixed with the emulsion with gentle working and the resulting margarine is packed. In examples a fat composition comprising cottonseed oil, coconut oil, hardened cottonseed oil, hardened fish oil and hardened soya bean oil is used, the aqueous phase comprising sour skimmed milk.
Patent GB-765587-A (GB)
Title: Hydraulic pumping apparatus
Inventor: BURMEISTER HOWARD FRED
IPC: F15B13/04
Filed: 1954-07-27
Abstract: 765,587. Reciprocating pumps. ROYAL ELECTRIC MANUFACTURING CO. July 27, 1954, No. 21951/54. Class 102(1). [Also in Group XXIX] A hand actuated hydraulic pump has a disc valve 84 mounted in its head for determining the direction of flow and return of the liquid from the pump to the reservoir 2. The pump unit is mounted in the top of the reservoir and comprises a piston 36 on the end of a rod 38 connected by linkage 124 to a handle. Ball valves 30, 42 in the bottom of the pump unit and end of the rod 38 permit liquid to be pumped from the reservoir 2 to a port 60 in the head of the unit which leads to a port 64 opened and closed by the disc valve to control the flow of liquid. A pressure relief valve 70 determines the maximum pressure at which liquid is supplied. The port 60 is closed at its outer end by a plug 62. The handle is suitably apertured to enable it to be locked against movement, and the control handle for the valve disc is bifurcated to engage either side of the pump handle, when locked to prevent movement of the disc valve from a neutral position. Reference has been directed by the Comptroller to Specification 653,651.