baber/WOPTO huggingface dataset:
Patent GB-643300-A (GB)
Title: Improvements in or relating to the preparation of prolonged effect insulin products
IPC: C07K14/62
Filed: 1947-09-18
Abstract: The process for the preparation of crystalline zinc - insulin - protamine in an aqueous medium according to Specification 643,268 is developed to show that there is a relationship between the concentration of phenol, cresol or admixtures thereof used and the pH required for complete crystallization.  Crystalline products are obtained when the insulin and protamine or protamine-split-product are treated in an aqueous medium at a pH between 6.3 and 7.7 in the presence of 0.36 to 5.0 per cent zinc (based on the insulin content) and 0.1 to 0.7 per cent by volume of cresol (o-, m-, p-cresol or admixtures thereof) based on the total amount of liquor from which crystallization is obtained, provided the range of pH for any given value of cresol concentration is limited by <FORM:0643300/VI/1> and <FORM:0643300/VI/2> where k11=1.067; k21=6.42; k111=0.634; k211=3.87; Cc=concentration of cresol.  Similarly with the range of 0.4 per cent to 0.7 per cent by volume of phenol, optimum crystallization occurs where the pH range is limited by <FORM:0643300/VI/3> and <FORM:0643300/VI/4> where k11=0.26; k21=1.58; k111=0.094; k211=0.55 and Cp=concentration of phenol.  For 0.1 to 0.7 per cent by volume of admixtures of cresol and phenol the pH range is limited by <FORM:0643300/VI/5> and <FORM:0643300/VI/6> where k11=1.067-(0.0081 x Pp) k21=6.42-(0.0484 x Pp) k111=0.634-(0.0054 x Pp) k211=3.87-(0.0332 x Pp) Cc+p=concentration of mixture of cresol and phenol Pp=percentage of phenol in said mixture. Cresol may be o-, m- or p-cresol or admixtures thereof.
Patent GB-354722-A (GB)
Title: An improved induction motor for small outputs
IPC: H02K17/04
Filed: 1930-05-06
Abstract: 354,722. Induction motors. ZOPP, A., 17, Achsenaugasse, M÷dling, near Vienna. May 6, 1930, No. 13912. Convention date, May 6, 1929. [Class 35.] Cores.-In a salient-pole induction motor, the polepieces or the conductors of the short-circuited rotor are so shaped that all the rotor conductors are situated in the range of a stator pole at all times. In the form shown, the stator, which may have bobbin-type coils fitted on cores 1 .. 4 composed of a roll of iron strip secured on pins attached to a yoke also formed of coiled iron strip, has polepieces 17 .. 20 shaped as shown in Fig. 3, or, alternatively, may have circular polepieces in which case a rotor having curved conductors as shown in Fig. 8 is used. The rotor bars 7<1>, 7<2> connected between the rings 8, 9 are separated by strip iron 23, this iron as well as the rotor bars being curved in the form of involutes, and the remaining space between the short-circuiting rings 8, 9 is filled by coiled iron strip 6. These constructions are also applicable to salient-pole induction motors in which the flux passes radially from the stator to the rotor. Specification 8638/94, [Class 35, Dynamo-electric generators &c.], is referred to.
Patent GB-807281-A (GB)
Title: Apparatus for deriving power from the up and down motion of a boat or other floating object
Inventor: HARGREAVES GEOFFREY WILLIAM
IPC: F03B13/18
Filed: 1956-05-04
Abstract: 807,281. Utilizing wave energy. MINISTER OF SUPPLY. Aug. 2, 1957 [May 4, 1956], No. 13952/56. Class 69 (1). A device for suspension in water below a boat or other supporting float for use in deriving power from the up and down motion of the latter comprises a stem 11 suspended from the float by a cable 14 and having a rectangular head 12 to which vanes 17, 18 are pivotally attached so that when device is suspended vertically beneath the float the vanes are able to swing upwardly about their pivots 15, 16 through less than ninety degrees from " open " positions in which they are substantially horizontal to " closed " positions in which the vanes are inclined each at a small angle to the vertical, and vice versa, so that the vanes tend to close as the float moves downwardly and to open and so bring about a pull on the float as the latter moves upwardly. Threaded on the stem 11 is first a lower fixed collar 23, than a coiled compression spring 24, then a sliding sleeve 25 and lastly a fixed collar 26. The sliding sleeve 25 has apertured radial lugs 27, 28 through which extend the bights of two V-shaped links 29, 30 whose free ends are bent outwardly and extend through apertures formed in upturned flanges 21, 22 on the vanes 17, 18 respectively. When the float is moving downwardly the vanes 17, 18 will assume the closed position shown in dotted lines. As the float moves upwardly on a wave the vanes will move against the influence of the spring 24 into the open position, thereby increasing the drag or resistance of the device to movement through the water and a substantial tension is applied to the cable 14. The repeated tensioning of the cable may be used to operate a ratchet or other mechanism.
Patent GB-926700-A (GB)
Title: Organopolysiloxane grease compositions
Filed: 1961-04-18
Abstract: A grease comprises (1) a liquid siloxane of the average general formula R11nSiO 4-n,/2 wherein each R11 is a monovalent hydrocarbon, halohydrocarbon or cyanoalkyl radical and n has a value from 2,004 to 2,4 inclusive, (2) from 0,1 to 2% by weight of (1) of a siloxane of the formula <FORM:0926700/IV(a)/1> wherein each R is a methyl or phenyl radical, each R1 is H or R and a is an integer of from 10 to 500, and (3) a grease thickening agent, which may be a metal salt of a fatty acid, hydroxy fatty acid or hydroxy fatty acid glyceride, phthalocyanine, an inert oxide, e.g. SiO2, Al2O3, Fe2O3, TiO2 or ZnO, a complex metal soap, e.g. aluminium benzoate, stearate, an acyl urea, an aromatic substituted urea, or a phenylene diamide.  The compositions may also contain pigments and other additives. Examples are given.  Specification 630,911 is referred to.
Patent GB-562859-A (GB)
Title: Improvements in or relating to self-hardening compositions and methods of manufacturing same
IPC: C04B24/26
Filed: 1942-10-05
Abstract: Self-hardening compositions which set to form products suitable for use as monolithic floors, traffic surfaces, ball playing surfaces, sub-floors, ships' decking, pre-cast tiles and slabs, wall surfaces, acid- and chemical-resisting linings and moulded products, and as an adhesive between rigid surfaces, are made by stirring a cementitious material, containing no intentional additions of water, into an aqueous emulsion of polyvinyl acetate, or polyvinyl chloride, or of copolymers of vinyl acetate and vinyl chloride, and adding water where necessary (to adjust the consistency of the mix.  By the term cementitious material is intended all cements, e.g. Portland, aluminous and magnesium oxychloride cements, and mortars.  If desired, aggregates or mixtures of aggregates, e.g. sand, marble chips, cork and ground rubber waste, and/or a mineral pigment and/or a plasticiser, e.g. dibutyl phthalate may be incorporated in the mix. The mix can be handled like an ordinary concrete mix and sets to a hard mass.  It adheres firmly to any base, e.g. wood, glass, metal, concrete or stone, and can be used for finishing rough concrete.  In examples, a mix is formed from an aqueous emulsion of polyvinyl acetate, water and an aluminous cement: (1) Ciment Fondu (Registered Trade Mark) with and without granulated cork, and (2) Snowcrete (Registered Trade Mark) with sand or chromium oxide.  The mixes were trowelled onto a base and set within 24-48 hours.ALSO:Self-hardening compositions which set to form products suitable for use as monolithic floors, traffic surfaces, ball playing surfaces, sub-floors, ships' decking, precast tiles and slabs, wall surfaces, acid- and chemical-resisting linings and moulded products, and as an adhesive between rigid surfaces are made by stirring a cementitious material, containing no intentional additions of water, into an aqueous emulsion of polyvinyl acetate, or polyvinyl chloride or of copolymers of vinyl acetate and vinyl chloride and adding water where necessary to adjust the consistency of the mix.  By the term cementitious material is intended all cements, e.g. Portland, aluminous and magnesium oxychloride cements, and mortars.  If desired aggregates or mixtures of aggregates, e.g. sand, marble chips, cork and ground rubber waste and/or a mineral pigment and/or a plasticiser, e.g. dibutyl phthalate may be incorporated in the mix. The mix can be handled like an ordinary concrete mix and sets to a hard mass.  It adheres firmly to any base, e.g. wood, glass, metal, concrete or stone, and can be used for finishing rough concrete.  In examples a mix is formed from an aqueous emulsion of polyvinyl acetate, water and an aluminous cement with (1) "Ciment Fondu" (Registered Trade Mark) with and without granulated cork and (2) "Snowcrete" (Registered Trade Mark) with sand or chromium oxide.  The mixes were trowelled on to a base and set within 24-48 hours.
Patent GB-470720-A (GB)
Title: Stopper for bottles, jars and the like
IPC: B65D41/22
Filed: 1936-05-18
Abstract: 470,720. Stoppers for bottles, jars, &c. FREEMAN, W. S. May 18, 1936, No. 14001. [Class 125 (iii)] A plug stopper formed with a cover skirt portion C which may be folded down over the outside of the bottle neck 2 is formed exteriorly with a plurality of annular grooves and the plug A is made hollow to permit distention when the skirt is stretched over the bottle neck thereby increasing the sealing effect of the annular grooves. In the sealing position the flange D engages under the flange 3 on the neck of the bottle.
Patent GB-711754-A (GB)
Title: Separation of vitamin b active substances
IPC: A61K31/00
Filed: 1952-06-03
Abstract: A Vitamin B12 active substance is separated from contaminants associated therewith by treating a solution thereof with an anion exchange resin in the presence of cyanide ion.  The adsorbate is then eluted, e.g. with sulphuric, hydrochloric, phosphoric and acetic acids or salts such as monobasic sodium or potassium phosphate, sodium and potassium chloride, and sodium and potassium sulphate and bases such as sodium hydroxide, to recover a purified Vitamin B12 active substance.  The Vitamin B12 active substances may be derived from liver, fermentation products, mother liquors, wash waters or other by-products of Vitamin B12 recovery procedures.  Suitable anion-exchange resins are highly porous and strongly basic and derive their exchange capacity essentially from quaternary ammonium groups. The Vitamin B12 active substance and associated contaminants may be subjected to a preliminary treatment with an anion exchange resin in the absence of cyanide ions in order that a portion of the contaminants may be pre-removed.
Patent GB-611817-A (GB)
Title: Improvements in or relating to trip means for electric circuit breakers
IPC: H01H71/40
Filed: 1946-05-09
Abstract: 611,817. Automatic circuit-breakers. WESTINGHOUSE ELECTRIC INTERNATIONAL CO. May 9, 1946, No. 14036. Convention date, May 9, 1945. [Class 38 (v)] A trip means suitable for the automatic circuit-breaker described in Specification 611,686 comprises a magnetic core 63 and armature 65 carried by, respectively, a bimetal strip 45 and a resilient member 69, which is secured to the strip at 73 and carries a latch 67. The operating point of the bimetal strip is adjustable by a screw 85, as described in the above-mentioned Specification, and is independent of the setting for the electromagnetic trip, which is for dealing with short-circuits. In Fig. 3, the armature carries the latch 115, and is pivoted to the core at 109, an adjustable spring 117 controlling the setting. The armature may, alternatively serve as a latch, and be pivotally supported in a yoke secure to the core, the armature normally resting against a stop provided by a bendable part of the yoke.
Patent GB-975197-A (GB)
Title: Improvements relating to means for controlling the defrosting of refrigerating units
Inventor: ORAM GEOFFREY CHARLES
IPC: G05D23/24
Filed: 1962-04-12
Abstract: 975,197. Refrigerating. J. STONE & CO. (DEPTFORD) Ltd. March 12, 1963 [April 12, 1962], No. 14270/62. Heading F4H. [Also in Division G1] The reduction in the rate of air flow over an evaporator due to frost accumulation is sensed by temperature-senstive resistors and used to initiate defrosting. As shown, the sensing device comprises resistors R1 and R2 which are disposed in the air flow downstream of the evaporator (not shown) and are connected in a bridge circuit with the primary winding 3 of a transformer T, a source of alternating current 4 being connected to the centre tap of winding 3 and to the point of connection between resistors R1 and R2. A heating resistor R3, connected to a direct current source 5, is disposed adjacent resistor R1 while a geometrically similar, non-operative, resistor R4 is disposed adjacent resistor R2. In normal operation resistor R1 is cooled by the air flow so that the resistances of R1 and R2 are equal and no voltage is induced in the secondary winding. Under these conditions an output transistor J7 is " on " thus energizing a relay coil 11 which maintains the fans circulating air over the evaporator operative and a hot-gas reversing valve in-operative. The relay also has normally closed contacts 12 in series with the heater R3. When the air flow drops below a predetermined value it is unsufficient to cool resistor R1 and the bridge circuit B1 R2, R3 becomes unbalanced, an output voltage appearing at the secondary winding 6. The signal passes through an amplifying circuit 8 a phasereversing circuit 9 and a latching circuit 10 to switch transistor J7 off, thus de-energizing relay coil 11 which switches off the fans and opens the hot-gas valve to initiate defrosting. The contacts 12 are also opened to de-energize  the heater R3. Defrosting is terminated by a thermostat 13 which opens when the temperature of the evaporator reaches 20‹ C. and causes the latching circuit 10 to switch transistor J7 on and re-energize coil 11. Thermostat 13 closes when the evaporator temperature reaches 5‹ C., and if this occurs when the bridge circuit R1, R2, R3 is balanced the system reverts to its original condition. Should the bridge circuit be still unbalanced at this stage, the latching circuit serves to hold the transistor J7 and coil 11 in their " on " and "energized " states, respectively, until the air flow over the evaporator has cooled resistor R1 sufficiently to restore the system to its original state. The relay coil 11 may control electrical defrost heaters rather than a defrost valve and the refrigerating system may be used in a vehicle, in which case temperature control during normal operation is carried out as described in Specification 902,896 [Group XXXV].
Patent GB-1440398-A (GB)
Title: Reuduction of false alarms in electronic theft-detection systems
IPC: G01V15/00
Filed: 1974-04-01
Abstract: 1440398 Theft alarms KNOGO CORP 1 April 1974 [13 April 1973] 14302/74 Heading G4N [Also in Division H4] In a theft alarm of the type in which a responder on an article to be protected responds to the field of a transmitter in the protected area by modifying the field or reradiating at a different frequency, false operation due to spurious signals is reduced by inhibiting the receiver detecting the response when it receives signals differing in frequency from that from the responder. In Fig. 3 the frequency of the transmitter is periodically swept over a range and the responders are resonant within part of the range to produce a dip in the radiated field. At the receiver the signal picked up on the antenna is passed through a filter 70 tuned to the sweep repetition frequency and a gate 76 to the alarm 80. A monostable circuit 88 triggered at each sweep, opens the gate while the frequency sweeps through the frequency range of the responders and outside that range opens a "noise" gate 74 so that any signal above a threshold level triggers a device 94 which holds gate closed during the next sweep. In Fig. 2 (not shown) the responder responds to the field of a fixed frequency transmitter by radiating signal of different frequency and this operates an alarm at the receiver if the alarm channel is not blocked by the concurrent receipt of a signal of a frequency different from the transmitter and reradiation.
Patent GB-212465-A (GB)
Title: Improvements relating to collars for wear
IPC: A41B5/00
Filed: 1923-05-31
Abstract: 212,465. McDowell, F. May 31, 1923. Collars, linen and like.-The top 1 and band 2 of a collar of the double, polo, or like shape are made from a single ply, one-piece blank, which is shaped to provide a double fold 3, Fig. 4a, preferably along a curve, between the top and band and " patentturned " edges 4, 7 on opposite sides of the blank. The double fold 3 and the turned edges 4, 7 are afterwards sewn down, the edges, if desired, being also bound, and finally the top 1 is folded back over the thickened edge on the upper edge of the band, as shown in Fig. 5<a>.
Patent GB-1398112-A (GB)
Title: Treatment of reverse osmosis/ultrafiltration membrane systems
IPC: C01B31/08
Filed: 1972-06-16
Abstract: 1398112 Ultrafiltration CALGON CORP 16 June 1972 [16 June 1971] 14341/74 Divided out of 1398111 Heading B1X A method of treating a reverse osmosis of ultrafiltration system containing a permanent membrane to prevent fouling by interfering substances in contact therewith comprises depositing upon the memibrane a layer of a precoat composition comprising finely divided absorbent clay and activated carbon. The memibrane may be of cellulose acetate cast in a porous surface which may be tubular, fibreglass reinforced, spiral wound or flat. The system may be used for sewage treatment.
Patent GB-894494-A (GB)
Title: Improvements in and relating to building material, structural elements and structures for protection against radiation
IPC: G21F3/04
Filed: 1958-05-05
Abstract: 894,494. Building blocks. DRATH, H. May 5, 1958, No. 14342/58. Class 87(1) [Also in Group XL(a)] Structural elements for protection against X-ray and gamma radiation are made from a mixture of cement or concrete and a finely divided natural mineral or ore containing a heavy metal or heavy metal compound (see Group XL(a)). The mixture may also contain substances which absorb neutrons, for example boron, cadmium, and gadolinium, and their compounds. The material may be formed under high pressure into plates 5 having V-shaped projections 6 and grooves 7 which fit one within the other; preferably the angle of the V is 60 degrees or less. For protection against neutrons of high velocity, a layer of material having high hydrogen content may be provided facing the radiation source; suitable materials are paraffin, cellulose, and concrete with a high water content.
Patent GB-743732-A (GB)
Title: Improvements in or relating to clutch means, more especially for motor vehicles and the like
IPC: F16D43/18
Filed: 1953-05-21
Abstract: 743,732. Friction clutches. GRASSMUCK, A. May 21, 1953, No. 14358/53. Class 80(2) In an automatic clutch, e.g. for a motor-vheicle, electric motor or Diesel engine, clutch shoes 17, movable centrifugally outwards into frictional engagement with a drum 11, fast to a driven shaft 9, are each connected at opposite ends by unequal links 21, 80 respectively to one of two radial arms on a freely-mounted boss 18 and to shoe-guiding segments 13 fast with a support-plate 3 bolted at 105 to a freely-mounted driving housing 1 secured to an engine flywheel and completely enclosing the clutch. The shoes 17 are of T- section with their radial webs guided in slots 14 in the segments 13. Tangential compression coil springs 19, between the arms of the boss 18 and the segments 13, oppose outward movement of the shoes and may be adjusted by shims 109. Rubber buffers 23 cushion return inward movement. The friction facings of the shoes are slightly crowned in the centre, on opposite sides of which they are divided into two halves each having the same radius of curvature as the surrounding drum 11, and this. together with the unequal lengths of the links 21, 80, results in frictional contact with the driven drum occurring initially (Fig. 5, not shown), on that half of the shoe nearest the longer link 21 (for direction of rotation shown by the arrow), then transferring by a rolling motion over the crown to the opposite half (Fig. 6, not shown), on which the link 80 then has a wedging action. On over-run contact transfers back to the first half, again with a wedging action, and persists to idle speed. Holes 103, 104, 106 circulate cooling air and the clutch runs dry. In Fig. 8, not shown, the friction shoes engage over their entire surface but in the release position their radii of curvature are displaced on opposite sides of the centre rotation, and the outer pivots 20, 79 of the links lie at the corners of a rectangle whilst the inner pivots 15, 20a lie on its sides. The segments 13 may be attached directly to the housing 1, eliminating the plate 3.
Patent GB-867731-A (GB)
Title: Binoculars
IPC: G02B23/00
Filed: 1959-04-27
Abstract: 867,731. Binoculars. ZEISS-STIFTUNG, C., [trading as ZEISS, C. [firm of]. April 27, 1959 [May 2, 1958], No. 14369/59. Drawings to Specification. Class 97(1) One or more telescope systems, more particularly for binoculars comprise, for each system, an objective, an image erecting system, consisting of surface mirror, and a collective eye piece with an angular image field of at least 50 degrees. Each objective consists of two lenses of opposite refractive powers separated by a meniscus air lens with its concave side turned towards the image plane which has an axial thickness between 3% and 10% of the objective's focal length, the lenses have a sufficiently large V-difference to produce a negative chromatic difference of magnification which compensates for the chromatic difference of magnification of the eyepiece. One example is given.
Patent GB-167343-A (GB)
Title: Improvements in and relating to tires
IPC: B60C7/14
Filed: 1920-05-26
Abstract: 167,343. Master, S. D. May 26, 1920. Jackets and covers; tread bands, projections, and surfaces.-A pneumatic tyre comprises a metallic cover 1, an inner tube 13 and a metallic tread band 6 formed of transverse metallic members 4, Fig. 1. The cover 1 is formed with slits 15 in its sides as shown in Fig. 1 extending from a central raised part 11, Fig. 3a, to the tread member. Shorter slits 16 are placed in two rows between the slits 15. Hinges 12, Fig. 3a, may be provided. The tread members 4, Fig. 2, have inturned ends 3 engaging the outwardly-turned ends of the parts between the slits 15 of the cover, and are attached to the band 6 by screws 5. A flange may be provided on one end of each tread member to render the wheel suitable for use on rails. The band 6 may be corrugated transversely throughout its length.