baber/WOPTO huggingface dataset:
Patent GB-1374024-A (GB)
Title: Organotin mercaptoacid esters and their method of preparation
IPC: C07F7/22
Filed: 1972-02-02
Abstract: 1374024 Organotin mercaptoacid esters DART INDUSTRIES Inc 2 Feb 1972 4987/72 Heading C2J Diorganotin bis-(thioglycollate esters) are prepared by continuously passing a reaction mixture containing a diorganotin oxide and a mercaptocarboxylic acid ester through a heat exchange zone, usually a tubular heat exchange apparatus at about 75 to 160 C., and collecting the desired bis-(ester) from the outlet of the zone. By-product water is preferably removed by evaporation, which may be aided by the use of reduced pressure. In the examples, dibutyltin- and dioctyltin- S,S<SP>1</SP>-bis-(iso-octyl thioglycollate), dibutyltin-S,S<SP>1</SP>-bis-(dodecylthioglycollate) and dibutyltin-S,S<SP>1</SP>-bis-(ethylthioglycollate) are prepared, the latter compound being claimed per se. The process yields bis-(thioglycollate) esters of improved purity and higher flash point, and storage stable di-organotin- S,S<SP>1</SP>-bis-(thioglycollate) esters substantially free from diorganotin-S,O-mercaptoacetate impurity are claimed.
Patent GB-413785-A (GB)
Title: Improvements in friction pivots
IPC: A47G1/24
Filed: 1933-02-18
Abstract: 413,785. Pivots; band clips. TIMINGS, S., 55, Great Hampton Street, Birming- ham. Feb. 18, 1933, No. 5039. [Classes 44 and 65 (ii).] A pivot for a mirror or the like comprises a pin secured to a bracket adapted for association with one of the members to be connected, an attachment plate for attachment to the other member, a pair of jaws pivoted to the attachment plate to embrace the pin, and a clamping screw or bolt connecting the projecting ends of the jaws to draw them together to produce a frictional grip on the pin. In the form shown, the pin 8 is carried by an L-shaped member 9 adapted to engage a plate 12 fixed on the supporting post 6 of a mirror, a stop being provided on the member 9 to limit the downward engaging movement. The attachment member 5, fixed to the back of the mirror, has a raised centre portion forming a seating for the pin 8, and the two jaws 7 are attached to it by pins 16 which pass through barrels 15 formed on the jaws and engage behind the raised part of the member 5, which is apertured above and below the pin seating to receive the barrels 15. The apertures are formed partly by cutting away metal and partly by bending forward tongues to engage a circumferential groove in the pin 8 to prevent endwise movement thereof. The outer ends of the jaws are connected by a clamping bolt 20 with a finger nut. The member 5 may be attached to the back of the post 6, with the member 9 projecting forwardly and upwardly to engage the plate 12 fixed on the side of the mirror.
Patent GB-572140-A (GB)
Title: Process for the manufacture of artificial silk resembling wool
IPC: D02G1/02
Filed: 1943-03-29
Abstract: Regenerated cellulose filaments in yarn form are crimped and given a wool-like appearance by subjecting the highly twisted filaments to treatment with a strong swelling agent so as to set the twist and then twisting in the reverse direction beyond the zero point.  The yarn may be washed and dried before the reversed twist is imparted. The treatment improves the dyeing affinities of the yarn, and more even dyeings are obtained.  The crimp is stable to washing treatments.  The filaments which are treated may have been previously matted or dyed.  The highly twisted filament yarn may be wound on to perforated bobbins and subjected on these bobbins to the swelling and twist-setting treatment.  Caustic soda or potash, sulphuric acid, zinc chloride, or calcium thiocyanate solutions of various strengths may be used as swelling agent and the treatment may be in the cold or at elevated temperature.  The yarn may be treated in hank form, or a continuous length may be passed through a bath of the swelling agent. After the swelling treatment the swelling agent is washed out before or after a drying step.  The reverse twisting may be effected without previous drying.  Dyeing or matting treatments may be effected after the swelling treatment.  The reverse twisted yarns may be cut into staple fibres.  They may be treated with formaldehyde to reduce the capacity for swelling.  In an example, viscose yarn is twisted to 1,500 turns per metre and wound on perforated bobbins which are then placed in a pressure dyeing apparatus.  Hot caustic potash lye is passed through the bobbins for a few minutes.  The lye is then removed from the yarn by washing.  The yarn is dried, unwound, and twisted in the opposite direction to 70-80 turns per metre.  In another example, artificial silk yarn dyed with a vat dye is highly twisted and then treated with caustic potash lye containing a mercerizing assistant such as a mixture of crude cresol and fat solvent.  It is neutralised and washed and twisted beyond the zero point in the opposite direction.  Two such yarns are then twisted together, immersed in a softening bath containing a sodium salt of the methyltauride of a higher fatty acid, washed and dried.  In another example, highly twisted viscose yarn is treated with caustic soda solution containing a wetting agent and after washing is dyed with a substantive dye, e.g. Direct Sky Blue, a solution of the dye being added slowly to the dye bath containing boiling water and a softening agent, "Igepon T" (Registered Trade Mark).  After dyeing, the yarn is unwound, twisted in the opposite direction and reeled. The reverse twisted yarns may be doubled with other yarn, e.g. viscose crepe yarns. In another example, the reverse twisted yarn is hardened by treatment with a solution of formaldehyde and aluminium thiocyanate.  Specification 442,073, [Group IX], is referred to.
Patent GB-664845-A (GB)
Title: An improved method for rendering proteinaceous and fatty foods resistant to microorganisms
IPC: A23B4/10
Filed: 1949-02-24
Abstract: 664,845. Preserving proteinaceous and fatty foods. ABBEY, A. (Dow Chemical Co.). Feb. 24, 1949, No. 5066/49. Class 49. [Also in Group VIII] Proteinaceous and fatty foods such as meat, cheese and butter are preserved by mixing them, with 0.01 to 0.5 per cent of their weight of dehydroacetic acid or its sodium, potassium, ammonium or calcium salt or by wrapping them in a wrapper, e.g. of paper, containing 0.5 to 10.0 per cent of the acid or salt.
Patent GB-634389-A (GB)
Title: Radio beacon system
IPC: G01S19/11
Filed: 1947-02-21
Abstract: 634,389. Radio navigation. STANDARD TELEPHONES & CABLES, Ltd. Feb. 21, 1947, No.,5129. Convention date, Feb. 28, 1946. [Class 40 (vii)] A radio beacon produces a rotating directive pattern and a further omnidirectional pattern modulated by two different audio-frequency waves whose relative amplitudes vary in accordance with the angle of the directive pattern. At the output of a suitable receiver with A.V.C., the amplitudes of the two audiowaves may be compared when the direction pattern crosses the receiver to indicate the bearing of the observer. The directive pattern may be a single beam, or may define a course line by two overlapping beams produced either simultaneously with different modulation frequencies as disclosed in Specification 563,007 or alternately in a keying rhythm with the same modulation frequency as disclosed in Fig. 1. The beacon illustrated therein employs a rotatable antenna system 1 formed of a central omnidirectional antenna 4 and two side arrays 2, 3. R.F. oscillators 9, 10, one of which, 9, is modulated by audio oscillator 17 of frequency F1, energize the system through a transmission line bridge 13 having a transposition 14 in one leg, and T.E. keyer 8. The keyer reverses the phase relation between arrays 2, 3 and antenna 4, in dot-dash sequence to produce two overlapping beams, Fig. 2, not shown, both of which carry the F1 modulation. The line joining arrays 2 and 3 has a transposition 7. Two further audio oscillators 18, 19 of frequencies F2 and F3 modulate both R.F. oscillators 9, 10, the degree of modulation being controlled by two potentiometers 20, 21, the arms of which are rotated by the aerial rotation motor 22. The arrangement is such that the modulation due to F2 varies inversely with that due to F3 and the relative modulation is a function of the angular rotation of the antenna, the total modulation remaining constant. In bridge 13 the modulated signals from oscillators 9 and 10 cancel at point 15, due to transposition 14, and add at point 16, whereby the F2 and F3 modulated radiation takes place from 4 alone and is omni-directional. A suitable receiver for use with the beacon may compare the amplitudes of the F2 and F3 modulation components with a rectifier bridge and meter and may further comprise mechanism to feed the motor only when the rotating course line crosses the receiver.
Patent GB-433712-A (GB)
Title: Means for cleaning electric insulators
IPC: H02G1/00
Filed: 1934-02-16
Abstract: 433,712. Cleaning insulators. CROYDON CABLE WORKS, Ltd., BROOKING, J. H. C., and ALLEN, H. R., Mitcham Road, Croydon. Feb. 16, 1934, Nos. 5138, 14850, and 31109. [Class 36] A device for cleaning a pin-type insulator, operable from the ground, comprises brushes adapted to bear against the surface of the insulator, means for rotating or oscillating the brushes about the axis of the insulator so that they may work over the surface of the insulator with a rubbing action, and means for locating the device, while in use, by some part of the insulator or its support. As shown in Figs. 1, 2 and 3, an insulator 1 having sheds 23, 25, 27 and secured to a cross arm 3 by a pin 2, is cleaned by a device comprising brushes 22, 24, 26 which are pressed against the surface of the insulator by springs 30 and which are adapted for rotation about the axis of the insulator by a crank 19 arranged near the ground level. For this purpose the brushes are attached to arms 29 secured to an annular sprocket wheel 10, Fig. 3, which is rotatable about an annular bearing ring 8 mounted on a base 5. The sprocket 10 and bearing 8 are formed with peripheral gaps 11, 40 respectively, in order that the device, which is raised into position by a rod 21 attached to the base 5, may be positioned on the cross arm with the pin 2 passing through the centre of the sprocket 10. The sprocket 10 is rotated by a chain 15 which is driven by a sprocket 13 attached to the upper end of a rod 18 the lower end of which is provided with the crank 19. In order that the device may operate on ' live ' insulators, the brush arms and rods 18, 21 may be of insulating material. In modified constructions the sprocket 10 is driven by pinions and the rod 21 may be hollow and the rod 18 pass through it, or a single rod may serve for driving the sprocket 10 and for lifting the device into position. In another construction, Fig. 5, the device is formed so that brushes carried by it may be moved over a portion of the surface of the insulator with a reciprocating rotary motion. For this purpose brushes 33 are attached to the upper ends of arms 36, 37 which extend below the cross arm 3 and which are pivoted together at their lower ends where they connect by a universal coupling 44 to a reacher 45. Means, such as a transverse bar, are provided at the lower end of the reacher so that it may be oscillated about its axis to reciprocate the brushes. The arms 36, 37 are drawn together by a spring 39, but may be drawn apart by cords 40 to facilitate the placing of the device into position. For cleaning the outer surface of the insulator, the brushes 33 are removed from the arms 36, 37 and are replaced by approximately semicircular brushes adapted to clean between the sheds of the insulator. Liquid may be applied to the brushes to assist in the cleaning operation.
Patent GB-608649-A (GB)
Title: Improvements in or relating to looms of the nipper shuttle type
IPC: D03D47/40
Filed: 1946-02-19
Abstract: 608,649. Shuttleless looms. SULZER FRERES SOC. ANON. Feb. 19, 1946, Nos. 5169 and 5170. Convention dates, Aug. 15, 1945 and Sept. 11, 1945. [Class 142(ii)] Apparatus for gripping and holding a weft thread in a nipper shuttle loom after insertion of the thread into the shed and before it is beaten up, is characterized in that the thread gripper is movably mounted on a reciprocating operating member and is yieldingly held in its normal working position. In the form shown, a twoarmed thread gripper 12, 13 is pivoted at 14 to a reciprocating bar 15 and is held in its normal working position by means of a torsion spring 19 mounted on a pin 18 which is fixed to the bar 15 and passes through a notch 16 in the arm 13. The weft thread is gripped between the part 20 of the arm 12 and a member 22 the pin 17 of which passes through the arm 13 and has its upper end spring-pressed against a cam 25 adjustably mounted on a reciprocating bar 27. Should the gripper knock against the shuttle owing to the latter failing to box or boxing late, it is swung in an anti-clockwise direction against the action of the spring 19, and at the same time a shuttle-stop motion operates to stop the loom. In a modification, Figs. 5 and 6 (not shown), an arm on the bar on which the gripper is mounted is provided with a stop against which the gripper is normally pressed by a torsion spring. In another modification, Figs. 7 and 8 (not shown), the upper part of the gripper is spring-pressed into contact with an arm on the bar on which the gripper is mounted, and the lower part of the gripper has pivoted thereto a gripping member in the form of a two-armed lever, one arm of which has a cam surface which is spring-pressed against an arm of a bell-crank lever.
Patent GB-791507-A (GB)
Title: Improvements in and relating to the refrigeration of animal carcass
IPC: A23B4/06
Filed: 1956-02-20
Abstract: 791,507. Cooling animal carcases. ARMOUR & CO. Feb. 20, 1956 [Feb. 18, 1955], No. 5247/56 Class 29. The carcases are individually suspended from overhead supports and are conveyed through a refrigeration zone in a switchback path, while a current of cool watervapour saturated gas is made to flow over the carcases in a direction counter to the forward movement of the carcases. Preferably supersaturated gas at a temperature of between 30 and 38‹F. is directed generally perpendicular to the straight portions of the path. Reference has been directed by the Comptroller to Specification 757,018.
Patent GB-1300972-A (GB)
Title: Improvements relating to model vehicles
IPC: A63H18/14
Filed: 1970-02-04
Abstract: 1300972 Accelerators for unpowered toy vehicles FALLER GmbH FABRIK FEINER MODELLSPIELWAREN GEB 4 Feb 1970 [4 Feb 1969] 5247/70 Heading A6S Devices for accelerating unpowered model vehicles comprise a trigger mechanism which holds a thrust device in a "cocked" position in a track for the said vehicles, said track having an exit end by which the device is connected to a continuation track. In the "cocked" position a spring attached to the thrust device is stretched so that on release of the trigger, the thrust mechanism is drawn along the track by the contracting spring and thus accelerates the vehicle. In an embodiment of the invention (Fig. 3) the thrust device 17 has a stem 18 which can run in guide 13 and which has a plate 19 attached to it whereby the thrust element is held captive in the guide 13, and the thrust device 17 may also have a facing 20 of rubber material and is retained in the cocked position by trigger mechanism 22. The spring element 28, in the form of a rubber band is attached to a plate 19, which is in turn attached to thrust element 17, by means of a pin 26. The rubber band 28 passes around a guide at a point in front of the thrust device, and is then secured to a side wall beneath the track at a point between the guide and the thrust device 17. On release of the trigger mechanism 22 the thrust device is caused to travel along the track by the relaxation of tension in the rubber band 28. The direction of travel is governed by the fact that the thrust device is set in a longitudinal slot in the surface of the track and the distance travelled by the thrust unit, and hence the acceleration imparted to the toy vehicle 40, is controlled by means of an adjustable stop which is fitted into the said guide slot. Several embodiments of the invention are described including these in which the acceleration is imparted while the toy vehicle travels on a track in the form of a vertical loop, the thrust unit being in the form of a spring loaded arm.
Patent GB-971263-A (GB)
Title: Improvements in or relating to spacer members for reinforced concrete construction
IPC: E04C5/20
Filed: 1961-02-13
Abstract: 971,263. Toy vehicles. METTOY CO. Ltd. Sept. 24, 1962 [Oct. 2, 1961], No. 35501/61. Heading A6S. A model racing car transporter comprises a hollow body 1 divided into two compartments by partition 3, the forward compartment 4 simulating a driving cab and workshop being closed at the top by a fixed roof 5, and the rearward, storage compartment 6 being closed at the top by a ramp 9 which is capable of pivoting about the upper edge of partition 3 to form a ramp leading to the roof 5. The ramp 9 is maintained in its upper horizontal position by the action of spring 11 bearing on a downward extension 14 thereof, and by lateral projections 16 (not shown) on the ramp resting upon the upper edges of projections 17 integral with the body of the model, and when in this position, the ramp serves to latch a tail board 10 upright. In order to release the tail board the ramp 9 is pushed forwards against the action of spring 11, thus moving projections 20 on the ramp relative to those 18 on the body 1 with the result that the ramp 9 may be raised slightly to release the tail board. Simultaneously the projections 16, 17 are disengaged and the ramp 9 may also be lowered. Specification 904,525 is referred to.
Patent GB-1153966-A (GB)
Title: Containers
Inventor: LINES EDGAR WILLIAM
IPC: C08L85/02
Filed: 1968-02-02
Abstract: 1,153,966. PVC compositions. WESTON CHEMICAL CORP. 2 Feb., 1968, No. 5325/68. Headings C3P and C3R. A composition for making clear containers comprises rigid PVC stabilized with the condensation product of 3 moles of 4,41-isopropylidene dicyclohexanol and 2 moles of at least one tertiary hydrocarbyl or haloaryl phosphite. The PVC may be a homopolymer or may contain up to 15% of a comonomer and has 0À1-10% by wt. of the PVC of the polymeric phosphite added. There may also be added a lubricant, e.g. stearic acid, paraffin wax, mineral oil, butyl stearate or poly dimethyl siloxane, a metal soap or phenolate, an epoxy compound and butadiene-acrylonitrile copolymer. The examples include in the composition calciumzinc stearate, epoxidized soybean oil, and stearic acid. Bottles are preferably blow moulded. The polyphosphites are prepared by condensing 3 moles of hydrogenated bisphenol A with 2 moles of phosphite and the reaction is stopped when 65-78% of the theoretical amount of phenol or alcohol has been removed by distillation. The product has a phosphorus content of 6À3-7À1% and a hydroxyl number above 67À8. The reaction is catalysed by a dialkyl phosphite, diaryl phosphite, a dihaloaryl phosphite or an alkali metal alcoholate or phenolate.
Patent GB-115816-A (GB)
Title: Improvements in Carburetters for Internal Combustion Engines.
Inventor: GENETY LOUIS MARIE FRANCOIS
IPC: F02M1/00
Filed: 1918-03-26
Abstract: 115,816. Genety, L. M. F. Jan. 4, 1917, [Convention date]. Spray carburettors.-The carburettor has two independent spraying chambers the smaller of which is always in action, the larger being brought into action when the suction reaches a predetermined value. The smaller chamber A and the larger chamber B are provided with fuel nozzles C<1>, C fed from the float chamber H. The chamber A is permanently open to the suction passage D, and the air flow therethrough rapidly attains a maximum, whereas the chamber B and passage D are separated by an automatic valve E loaded by an adjustable spring F. Specifications 211409/04, 7386/06, and 12710/07 are referred to.
Patent GB-525334-A (GB)
Title: Improvements in and relating to protective devices for electric transmission systems
IPC: H02H9/08
Filed: 1939-02-17
Abstract: 525,334. Protective cut-out arrangements. BRITISH THOMSON-HOUSTON CO., Ltd. (Sh-baura Engineering Works, Ltd.). Feb. 17, 1939, No. 5346. [Class 38 (v)] In a protective system employing an arc-suppressing reactor (Petersen coil) 4 with tappings 5 so that its reactance can be adapted to actual operating conditions of the line 1, and in which a resistance 8 is included when a permanent earth occurs, so as to increase the effective component of earthing current, the resistance is connected to a tapped secondary winding 6 of the reactor, and the taps 5, 7 are changed simultaneously by the means 10, so that the secondary volts applied to the. resistance, and hence the effective earthing-current component, remain constant irrespective of the condition of the primary side. The resistance is inserted by a switch 9 energized by a time-limit relay (not shown).
Patent GB-256570-A (GB)
Title: Process for treating textile fibres, such as esparto grass, alfa and similar vegetable substances
IPC: D01C1/04
Filed: 1926-02-25
Abstract: 256,570. Soc. anon. A.L.F.A. Applicazioni Lavorazioni Fibra Alfa e affini, (Assignees of Gennaro, U.). Aug. 5, 1925, [Convention date]. Retting. - In obtaining fibres from esparto grass, alfa, and similar fibrous materials, the leaves in the fresh or dried state are retted in the usual pond or by boiling under pressure with alkali carbonate, soluble glass, alkali fluoride, or other known retting agent, washed, dried, then flattened and opened by crushing between a pair of rollers or a roller and a flat surface, and finally heckled.
Patent GB-384279-A (GB)
Title: Printing device for films chiefly sound and talking films
IPC: G03B27/46
Filed: 1931-02-20
Abstract: 384,279. Duplicating sound films. DEBRIE, A. L. V. C., 111, Rue St-Maur, Paris. Feb. 20, 1931, No. 5413. Convention date, March 6, 1930. Void [Published. under Sect. 91 of the Acts]. [Class 40 (ii).] The apparatue comprises a source of light 7, a condenser 8, a gate 3 through which passes the negative film 4, an objective 2, and a gate 9 through which passes the positive film 10 in the opposite direction to the negative film. Synchronized feed for the negative and positive films may be employed, and. several positives may be printed from one negative, including the production of several positive images of reduced size on a standard film.