baber/WOPTO huggingface dataset:
Patent GB-1015461-A (GB)
Abstract: 1,015,461. Filter circuits. STANDARD TELEPHONES & CABLES LId. June 15, 1962 [June 15, 1961], No. 23121/62. Heading H3U. A ladder-type filter circuit having a loss frequency characteristic which has sharp attenuation peaks and a sharp cut-off between the pass and stop bands comprises a lattice type section including a piezo-electric resonator and a hybrid transformer to couple the lattice section to an adjacent ladder-type section which has a shunt arm in the form of a parallel resonant circuit, the self capacity and the shunt inductance of a winding of the transformer  appearing as part of the parallel resonant circuit, the equivalent circuit of the lattice section being a ladder-type # section having a parallel resonant circuit in series with a capacitor in its series arm and a capacitor in the shunt arm. The hybrid transformer is tuned to the same frequency as the parallel resonant circuit in the shunt arm of the ladder network, and the losses in the transformer winding are made equal to the required losses of the inductance in the parallel resonance circuit.
Patent GB-1051485-A (GB)
IPC: F16D1/06
Abstract: 1,051,485. Securing gear-wheels on shafts; toothed gearing. BORG-WARNER CORPORATION. April 2, 1964 [April 8, 1963], No. 13710/64. Headings F2Q and F2U. Securing gear-wheels on shafts.-A gear-wheel 90 is provided with tapped holes 945 for bolts 92 passing through a ring 100 and through oversize holes 96 in a radial flange 98 integral with a shaft 86. On initial light tightening of the bolts 92, a surface 943 on the hub of the gear engages frictionally the side of the shaft flange 98, adjacent to an undercut groove 87 provided to relieve stresses. The outer periphery of the gear hub is separated by a gap C from the shaft flange 98, and the oversize holes 96 for the bolts 92 allow limited circumferential adjustment of the gear-wheel 90 on the shaft 86. The bolts 92 are then tightened further, the gap C is closed, the inner edge 942 of the gear hub binds on the shaft 86; and the gear-wheel is firmly secured on the shaft. Toothed gearing.-A flexible steel input shaft 58, Fig. 1 (not shown), carries on its overhung end a toothed gear meshing three similar gearwheels 88, 881, 882, each fast on its respective shaft 86, 861 &c. Three similar gears 90, 901,  902 are secured to the shafts 86 &c. by the connection described above, to allow limited circumferential adjustment of the gears relative to their shafts. The gears 90 &c. mesh a gear 130 fast on the overhung end of a flexible steel output shaft 132, to which is secured a compressor rotor. Backlash in the gearing is taken-up during assembly, by leaving the gears 90 &c. relatively loose on their shafts 86 &c. The output shaft 132 is held and torque applied to the input shaft 58. The gears 90 &c. are thereby adjusted circumferentially relatively to their shafts 86 &c. until they are all under equal load. The output shaft 132 and the gearwheel 130 and the bolts 92 tightened to secure the gear-wheels 90 &c. to their shafts 86 &c. The output shaft 132 and the gear-wheel 130 are then replaced.
Patent GB-1051626-A (GB)
IPC: C10K3/04
Abstract: 1,051,626. Treating combustible gases. GAS COUNCIL. May 25, 1964, No. 21546/64. Addition to 894,451. Heading C5E. In the process of the parent Specification for reducing the carbon monoxide content, of a fuel gas such as carburetted water gas by catalytic shift conversion, in which the gas is pretreated by passage over a nickel subsulphide catalyst to remove oxygen, acetylene, nitric oxide and conjugated diolefins by hydrogenation, the nickel subsulphide is supported on sepiolite (otherwise meerschaum, a hydrated magnesium silicate). The fuel gas may be mixed with added steam to give equal Ib.-molar quantities of steam and carbon monoxide before the pretreatment with nickel subsulphide at 275- 500‹ C. The nickel subsulphide " guard " catalyst may be formed by impregnating sepiolite with aqueous nickel sulphate and reducing with hydrogen; the sepiolite may be in dehydrated or fired condition resulting from heating to at least 350‹ C. or at least 700‹ C. respectively. The " guard " may be reactivated by controlled oxidation followed by controlled reduction with a H 2 .containing gas containing not more than 10%, preferably not more than 3%, water vapour. An iron-oxide-chromia shift conversion catalyst is referred to.
Patent GB-1051946-A (GB)
IPC: C05B13/06
Abstract: 1,051,946. Potassium metaphosphate. SCOTTISH AGRICULTURAL INDUSTRIES Ltd. Aug. 27, 1965 [Sept. 16, 1964], No. 37839/64. Addition to 832,011. Heading C1A. The process of the parent Specification for the production of granular potassium metaphosphate is modified by using superphosphoric acid (i.e. P 2 O 5  content 65-85% by wt. and " free " water less than 20% by wt.) and either KC1 or K 2 SO 4  (preferably smaller than 30-mesh B.S. sieve) as reactants. Preferably part of the potassium salt is mixed with the superphosphoric acid at ambient temperature, the rest added while heating the mixture to at least 200‹ C. and then adding the mixture to a bed of inert particles at 400-500‹ C.
Patent GB-1052602-A (GB)
IPC: C07C39/08
Abstract: 1,052,602. Resorcinol. MONTECATINI SOC. GENERALE PER L'INDUSTRIA MINERARIA E CHIMICA. March 22, 1965 [April 2, 1964], No. 12071/65. Heading C2C. Resorcinol is prepared by decomposing a mdialkylbenzenebishydroperoxide of the general formula in which R and R 1  are the same or different alkyl groups containing 1-3 carbon atoms, with hydrogen fluoride in the presence of an organic solvent. Suitable solvents are, for example, an alcohol, ether, ketone or an aliphatic or aromatic ketone. The reaction mixture is neutralized, filtered and then evaporated to give resorcinol.
Patent GB-1053780-A (GB)
IPC: C23G5/02
Abstract: 1,053,780. Process for cleaning non-porous surfaces. DETREX CHEMICAL INDUSTRIES Inc. Nov. 4, 1965, No. 46717/65. Heading C5D. [Also in Division C7]  A process for cleaning surfaces having soil thereon, which is at least in part insoluble with respect to degreasing solvents, said surfaces themselves being essentially inert to the said degreasing solvents, comprising the steps of: (1) Introducing said surfaces into a liquid bath consisting essentially of a degreasing solvent and a non-ionic-ionic surfactant mixture. (2) Withdrawing the surfaces from the liquid bath. (3) Subsequently exposing the said surfaces to the vapours of a degreasing solvent. The liquid bath may also contain other substances such as water, kerosene or alcohol. Degreasing solvents mentioned are the chlorinated hydrocarbons.
Patent GB-1225255-A (GB)
IPC: F23Q2/52
Filed: 1968-03-15
Abstract: 1,225,255. Filling gas-fuelled lighters. O. GIVER. 15 March, 1968, No. 12849/68. Heading F4F. A gas dispenser is adaptable to fill gas-fuelled lighters having either a relatively shallow or a relatively deep filling opening and comprises a container 2 having a filling stud 6 operable to open an outlet valve of the dispenser, the filling stud 6 being provided with a sealing member 14 for use with a lighter having a relatively shallow opening and the sealing member 14 being provided with a removable cap 20 which has a tubular protrusion 24 forming an extension of filling stud 6 for use with a lighter having a relatively deep filling opening. The sealing member 14 is of annular cross-section and is mounted around a bushing 8 on the filling stud 6 and the exterior surface 18 of the sealing member 14 is dome shaped to engage with a bowl-shaped portion 22 of the cap 20.
Patent GB-1226835-A (GB)
IPC: G01S13/44
Filed: 1968-07-11
Abstract: 1,226,835. Pulse radar. MITSUBISHI DENKI K.K. 11 July, 1968 [12 July, 1967] No. 33081/68. Heading H4D. A pulse radar comprises at least two aerials 10, 12, Fig. 3, separated vertically by a distance greater than a half-wavelength at the lowest operating frequency, a transmitter for radiating pulses of carrier frequencies f 1 ,f 2 , Fig. 4T<SP>1</SP> from one aerial and filters 36, 38, 42, 44 in aerialreceiver outputs for producing respective output pulses R f1 1, Rf 2 1, Rf 1 2 and Rf 2 2. Time delays 40, 46 and phase shifters 16, 18 are associated with vector subtractors 20, 22, the outputs from which are processed in known manner to form "main lobes" for elevation determination. Three or more carrier frequencies may be utilized.
Patent GB-1227703-A (GB)
IPC: C09C1/00
Filed: 1969-03-07
Abstract: 1,227,703. Ceramic stain. TH. GOLDSCHMIDT A.G. 7 March, 1969 [20 March, 1968], No. 12282/69. Heading C1M. A pink ceramic stain for incorporation in a glaze is prepared by calcining at above 700‹ C. a mixture consisting of the following ingredients in the mole proportions indicated:- Zirconium oxide .. .. 1 Silica .. .. .. .. .. 1 1À1  Iron sulphate heptahydrate (FeSO 4 .7H 2 0) .. .. 0À1 -0À25 Sodium fluoride .. .. 0À25-0À67 Sodium chloride .. .. 0À1-0À3 Ammonium- or alkali metal nitrate .. .. .. 0À03-0À1 A minor proportion of the iron sulphate heptahydrate may be added as an aqueous solution, while the major proportion is added as a solid. The silica is preferably added as quartz, but a portion of the quartz may be replaced by a diatomaceous earth (kieselguhr). Reference has been directed by the Comptroller to Specification 986,751.
Patent GB-1228697-A (GB)
IPC: B27N5/00
Filed: 1969-05-05
Abstract: 1,228,697. Moulding wood chips. FORMWOOD Ltd. 5 May, 1969, No. 22814/69. Heading B5A. In the moulding of plate like articles, from a wood chip, thermosetting binder material, which have a plate like portion 11 with at least an end wall portion 12 along at least part of one side which is of a relatively great height b to the thickness a of the portion 12, a top die 1 is initially lowered into abutment with a mould frame 7, whereafter the material of the wall portion is initially compressed to its thickness a by a transversely displaced pneumatically or hydraulically actuated die 8, and then compressed to its height b, either by upward displacement of a lower die 6 with a lower die 4 which compresses the material of the plate like portion 11, or by continued downward movement of the die 1, and the frame 7, against the dies 6 and 4. The dies 6 and 4 are mounted on a support 3, the die 4 via springs 5 which permit an initially lower rate of compression of the portion 11 than of the portion 12 during relative movement of the upper and lower dies, until the die 4 abuts the support 3. When compression is obtained by movement of the upper die 1, the frame 7 is displaced thereby against the action of springs. The die 8 may slide as shown against upper and lower surfaces of a recess in the frame 7, or may slide against a lower surface in the frame 7 and the lower surface of the die 1. The article may be provided with wall portions 12 continuously around the four sides thereof when a single frame like die 6 is employed, or if only a pair of opposite wall portions 12 is provided separate dies 6 are employed for each portion. Where the wall portion 12 varies in thickness and/or height in its longitudinal direction, two or more independent lateral dies 8 are provided. More than one die 4 may also be employed each of a different length of compression stroke to produce different thicknesses of the portion 11. The die 1 may also be provided with a portion entering within the frame 7. The binder is set by heating the mould, preferably during the compression. It is stated that the use of transversely acting compressions produces a disorientation from the horizontal and an interlocking of the particles which results in greater strength than obtained solely by a vertical compression.
Patent GB-1230253-A (GB)
IPC: G01B3/10
Filed: 1969-06-10
Abstract: 1,230,253. Tape measures. BAYERISCHE MASS INDUSTRIE ARNO KELLER G.m.b.H. June 10, 1969 [June 21, 1968], No. 29412/69. Heading G1M. The tape winding body 2 is held within a housing 21 by a circlip 18 and has an upper plate 14 which closes the housing 21 and provides bearing pins 12<SP>1</SP> on which a winding crank arm 1 may be pivoted so as to engage either a notch 6 or a notch 6<SP>1</SP> with an edge 13. A finger ring 22 is housed either fixedly or rotatably in a hole 3 in the arm, and in the inoperative position the arm 1 rests upon a recessed surface 8.
Patent GB-1230940-A (GB)
IPC: F16C19/52
Filed: 1969-12-31
Abstract: 1,230,940. Bearings. UNITED AIRCRAFT CORP. 31 Dec., 1969 [13 Jan., 1969], No. 63610/69. Heading F2A. A preloaded rolling bearing for carrying radial and axial load and having one race urged against a shoulder 32 of a shaft 10 by a clamping device 36 has a shim of metal 34 interposed between the clamping device and the shoulder, the melting point of the shim being such that on overheating of the bearing the shim melts to relieve the preload. Lubricant is supplied through passages 40, 42, 44, 46 in the shaft to grooves 47, 48 formed in the split inner races of the bearing.
Patent GB-1231016-A (GB)
IPC: B26D7/26
Filed: 1968-07-22
Abstract: 1,231,016. Cutting apparatus. SCHNELLPRESSENFABRIK FRANKENTHAL ALBERT & CIE. A.G. 22 July, 1968 [28 July, 1967], No. 34912/68. Heading B4B. [Also in Division B8] A cutting cylinder 1 has a longitudinal groove 2 housing a knife blade 6 secured between clamping rails 3 and 4 and flanked by resilient pressure strips 7. The strips 7 allow knife 6 flexibility in the peripheral direction of cylinder 1 when the cylinder co-operates with rubber strip 12 in a grooved counter cylinder 11.
Patent GB-1231151-A (GB)
IPC: C07C15/00
Filed: 1969-02-18
Abstract: 1,231,151. Dehydrogenation catalysts. UNIVERSAL OIL PRODUCTS CO. 18 Feb., 1969, No. 8635/69. Heading B1E. [Also in Division C5] A hydrocarbon dehydrogenation catalyst comprises a Pt-group metal, an alkali component (e.g. Na, K, Li, Cs, Rb, Ca, Mg or Sr), alumina, and optionally a component selected from As, Sb, Bi, S, Se, Te, and compounds thereof. An alumina support may be impregnated with the alkali component in the form of a salt e.g. NiNo 3 . A preferred catalyst comprises Al 2 O 3 , 0.01-1.5 wt % Li, 0.05-5 wt % Pt and arsenic in an atomic ratio of 0.1-0.8 As:Pt; the catalyst may be in particle form of size 0.42-0.84 mm.
Patent GB-1233113-A (GB)
IPC: E04B2/38
Filed: 1969-08-19
Abstract: 1,233,113. Insulated wall structure. BASF CORP. 19 Aug., 1969 [11 Oct., 1968], No. 41340/69. Heading E1B. An insulated building wall comprises a masonry structure 10 with an insulating panel of e.g. polystyrene foam, formed from several interfitting panel sections 40 (Fig. 4) attached to the masonry structure by adhesive strips 46 extending along the faces of their bearing portions 32 and a number of spaced reinforcing ribs 50, 52 cast about rods 20 and hardened in situ in vertical pockets formed by panel recesses 33 and the adjacent masonry structure. Where the masonry structure requires special reinforcement an abnormallylarge reinforcing rib may be constructed (position D, Fig. 3).
Patent GB-1233938-A (GB)
IPC: C07D215/18
Filed: 1968-08-27
Abstract: 1,233,938. Substituted 2,3 - dihydrothieno- [3,2-c]quinolines. SHIONOGI & CO., Ltd. 27 Aug., 1968 [9 May, 1968], No. 40967/68. Heading C2C. The invention comprises compounds of formula wherein R<SP>1</SP> is C 1-5  alkyl (R<SP>2</SP> = H) or Me (R<SP>2</SP> = Me), and X is halogen or C 1-5  alkoxy. These compounds are prepared by heating the corresponding (a) 4 - (1 - R - allyl)quinoline or 3 - (3- R - allyl) - 4 - mercaptoquinoline to effect cyclization, or (b) 3 - (3 - R - allyl) - 4 - halo(or hydroxy)quinoline or 3 - (3 - R - 2 - halopropyl)- 4 - haloquinoline in presence of a mercapto group introducing agent, to introduce a mercapto group and effect cyclization. 3 - Allyl - 6 - chloro - 4 - mercaptoquinoline is formed as a by-product from 3 - allyl - 4,6- dichloroquinoline and thiourea. Therapeutic compositions comprise compounds of the above formula or their non-toxic pharmaceutically acceptable acid addition salts, which are antipyretic, analgesic and anti-inflammatory. Oral administration is preferred.
Patent GB-1250895-A (GB)
IPC: B65D5/4805
Filed: 1968-04-18
Abstract: 1,250,895. Carton blank. CADBURY BROS. Ltd. 10 March, 1969 [18 April, 1968], No. 18311/68. Heading B8P. A one piece carton blank comprises first, second, third and fourth panels 10 to 13 hingedly interconnected so as to be adapted to form the four side walls respectively of a rectilinear carton, two pairs of separated flaps 15 hingedly connected to the one side of the second and fourth panels respectively so as to be adapted to form a false partial bottom of the carton, four pairs of separated tongues 16 hingedly connected to the outer sides of the four flaps 15 respectively so as to be adapted to extend upwardly from the false bottom of the carton to constitute partitions, a pair of flanges 17 hingedly connected to the equivalent sides of the first and third panels respectively so as to be adapted together to constitute the bottom of the carton, a pair of wings 18 hingedly connected to the outer sides of the pair of flanges 17 respectively so as to be capable of being tucked upwardly between the pairs of flaps so as to constitute a transverse partition within the carton, a further pair of flaps 19 hingedly connected respectively to the opposite sides of the first and third panels so as to be adapted to form a partial false top of the carton, a further pair of wings 20, hingedly connected to the outer sides of the further pair of flaps 19 respectively so as to be capable of being tucked downwardly between the pairs of tongues to form further partitions within the carton, and a further flange 21 or pair of flanges 21 hingedly connected to the opposite side or sides of the second and or fourth panels respectively so as to be adapted alone or together to form the top of the carton. A further ear 14 may be provided on the fourth panel 13 or on the panel 10, as shown, whereby those panels may be connected by gumming or stapling. The blank is folded to form a twelve compartment carton (Fig. 2, not shown). The panels 10- 12 may be perforated along the chain dotted line 22 to allow the carton to be opened for display purposes.
Patent GB-1252135-A (GB)
IPC: B01J37/00
Filed: 1968-12-17
Abstract: 1,252,135. Catalyst for making polyesters. SNIA VISCOSA SOC NAZIONALE INDUSTRIA APPLICAZIONI VISCOSA S.p.A. 17 Dec., 1968 [23 Dec., 1967], ,No. 59858/68. Heading C3R. [Also in Division C1] An homogenized dispersion of antimony particles of size 10-20 microns in a liquid dispersion medium, e.g. ethylene glycol, is used as catalyst for either or both of the re-esterification or polycondensation stages in the preparation of polyesters. The catalyst is preferably used in the former stage, however, suitably associated with a conventional esterification catalyst, e.g. a zinc or calcium salt. In the examples polyethylene terephthalate is prepared from ethylene glycol and terephthalic acid or D.M.T. using as catalyst (i) antimony dispersion, zinc acetate and triethylsulphate; (ii) antimony dispersion alone; and (iii) antimony dispersion, zinc formate, and triethylphosphate.
Patent GB-1252545-A (GB)
IPC: A61K8/00
Filed: 1970-04-16
Abstract: 1,252,545. Chewing gum dentifrice. INDIANA UNIVERSITY FOUNDATION. 16 April, 1970 [16 April, 1969], No. 18183/70. Heading A5B. A composition for cleaning and caring for the teeth comprises a chewing gum base and a polishing agent comprising at least 20% by weight fine (up to 3 microns) and 5-40% coarse (10-20 microns) zirconium silicate (Zr SiO 4 ), the weight ratio of agent to gum base being up to 3:2. Preferably, the composition comprises up to 5% by weight of a dental plaque removing agent, e.g. Na 2 CO 3 , NaHCO 3  or CHCl 3 , and the fine ZrSiO, is in the form of relatively smooth particles whereas the coarse particles are relatively rough.
Patent GB-1258393-A (GB)
IPC: B29C48/18
Filed: 1967-12-29
Abstract: 1,258,393. Extruding polymeric sheet material. O-B RASMUSSEN. 30 Dec., 1968 [29 Dec., 1967], No. 59141/67. Heading B5A. An extruded sheet material comprises lamellµ of a polymeric material which are bonded together to provide a continuous core, but are disconnected or only partially connected in the surface layers of the sheet. Preferably, the sheet material comprises lamellµ 2 of a second material which may also be polymeric and which are present in the surface layers only and either provide the partial connections or are disrupted to provide partial connections. Such disruption of the second material may be effected by reducing the material to a fibrous form, e.g. by the addition of a slipping agent which bleeds out on solidification of the material. Other disruptive methods or ways of separating the lamellµ include drawing, rolling, impacting, expanding, brushing, bending and acoustic or chemical action. Alternatively, the second material may be brushed or dissolved out. Preferably, the first material is crystalline and orientated and a further polymeric material may be interposed therewith to effect the bonding in the core of the sheet. An apparatus for producing such sheet material comprises an annular die 3 having slots 8 through which the first material is extruded and pairs of slots 9 in line or offset with respect to one another, for the second material. A converging collecting chamber 7 and extrusion slot 6 are defined by die parts 4, 5. During extrusion relative rotational movement occurs between die 3 and parts 4, 5 to impart a smearing action to the lamellµ. The form shown in Fig. 2 is produced by movement of die 3 and/or both parts 4, 5 in unison. The lamellµ are first folded to lie parallel to the extrusion face of die 3, continued extrusion forcing the lamellµ through slot 6 with smearing thereof to a generally U-shape. The form shown in Fig. 1 is produced by relative movement of parts 4, 5, the lamellµ being stretched to give a flattened S form when the sheet is viewed in cross-section. In a modification, two collecting chambers in series may be used in which the upstream chamber is partitioned to divide the flow such that rows of U- or S-shaped lamellµ are produced. Only the upstream chamber is moved. Die 3 and parts 4, 5 may be linear and relatively reciprocated.