baber/WOPTO huggingface dataset:
Patent GB-1283364-A (GB)
Title: Reversible developers for electrostatic latent images
IPC: G03G9/13
Filed: 1969-07-09
Abstract: 1283364 Electrostatographic developer compositions RICOH KK 9 July 1969 [11 July 1968] 34567/69 Heading C3P [Also in Division G2] A developer concentrate for preparing electrostatographic liquid developer by dilution with carrier liquid comprises, dispersed in a liquid, a particulate pigment and a charge modifying copolymer, which is capable of being adsorbed on to and desorbed from the particulate pigment with change in temperature when in the carrier, of a monomer of formula (a): CH 2  = C(R 1 )CO 2 R 2  and a monomer of formula (b): CH 2 =C(R 1 <SP>1</SP>)X- or (c): CH 2 =C(R 1 <SP>1</SP>)Y (in which R 1  and R 1 <SP>1</SP> are each CH 3  or H; R 2  is 1-20 C alkyl; X is phenyl, methyl-, nitro- or hydroxy-phenyl, glycidyl, pglycidylbenzoate or -COO(C m' H 2m' ) 2 C 2 H 4 OH ; m' is 0-4; Y is C-pyridyl, aminophenyl, N,N- dimethylaminophenyl, -C 6 H 4 .CONH 2 , -C 6 H 4 - CON(CH 3 ) 2 , -CONH 2 , -CON(C m H 2m+1 ) 2 ; or -(C m H 2m ) 2 N(C m" H 2m"+1 ) 2 ; m and m" are each 1-4). The ratio of (b) : (a) is 1 : 1, 2 : 3 or 0À2 to 0À6 : 1. The ratio of (c) : (a) is 0À01 to 0À3 : 1. In the examples, developers are prepared by milling a hydrocarbon liquid, a pigment and (1) copoly (laurylmethacrylate/hydroxyethylmethacrylate, (2) copoly (styrene/butylmethacrylate), or (3) copoly (styrene/butylmethacrylate) and then copoly (lauryl methacrylate/ dimethylaminoethyl methacrylate), and diluting the product with hydrocarbon carrier liquid.
Patent GB-1181131-A (GB)
Title: A Method for Producing Cyanoacetylene
Filed: 1967-07-27
Abstract: 1,181,131. Preparation of cyanoacetylene. TAKEDA YAKUHIN KOGYO K.K. 27 July, 1967 [29 July, 1966], No. 34597/67. Heading C2C.  Cyanoacetylene is obtained by heating a chlorine-substituted tricarbon nitrile of the formula in the gaseous phase at from 500‹ to 1500‹ C., wherein two of the substituents X 1 , X 2 , Y 1 , Y 2  are each Cl, and the remaining substituents are each H, or X 1  and Y 1  form a double bond together with the α and # carbon atoms, while either X 2  or Y 2  is Cl and the other is H. The reaction is preferably effected under reduced pressure, optionally in the presence of an inert gas, e.g. N 2  or CO 2 , and a catalyst, e.g. magnesium or barium chloride, may be present.
Patent GB-1032135-A (GB)
Title: Process for purification of gaseous formaldehyde
Inventor: KAUFHOLD ROBERT
IPC: C07C45/78
Filed: 1964-08-24
Abstract: Gaseous formaldehyde, which may contain as one of its impurities, moisture, is purified by bringing the impure gas into contact with a film of washing liquid, which is preferably a higher alcohol and/or the semi-acetal, said liquid running down the wall of a wiped film gas-liquid contactor having a rotor heated to at least 70 DEG  C., said washing liquid being supplied at a temperature of between - 20 DEG  C. and + 130 DEG  C. to the wall of the contactor, the temperatures of the washing liquid and of the rotor, together with the auxiliary cooling applied to the outside wall of the contactor being so co-ordinated that the formaldehyde is cooled in the contactor to a temperature of 80 DEG C or lower.  The formaldehyde gas stream may be brought into contact either co- or countercurrent with the film of wash liquid.  In the examples there are used as wash liquor a mixture of glycol and glycol semi-acetyl and diesel oil.ALSO:Gaseous formaldehyde, which may contain as one of its impurities, moisture, is purified by bringing the impure gas into contact with a film of washing liquid, which is preferably a higher alcohol and/or the semi-acetal, said liquid running down the wall of a wiped film gas-liquid contactor having a rotor heated to at least 70 DEG C., said washing liquid being supplied at a temperature of between -20 DEG C. and +130 DEG C. to the wall of the contactor, the temperatures of the washing liquid and of the rotor, together with the auxiliary cooling applied to the outside wall of the contactor being so co-ordinated that the formaldehyde is cooled in the contactor to a temperature of 80 degrees or lower.  The formaldehyde gas stream may be brought into contact either co- or counter-current with the film of wash liquid.  In the examples there are used as wash liquor (a) a mixture of glycol and glycol semi-acetal containing initially 43% formaldehyde, and (b) diesel oil.
Patent GB-1424329-A (GB)
Title: Deflector rudders
IPC: B63H25/06
Filed: 1973-08-02
Abstract: 1424329 Steering ships R G FULLER 2 Aug 1973 34681/72 Heading B7V The end of the duct 1 of a steering arrange. ment is defined by walls terminating in two like faces 6, 7 inclined symmetrically to the duct axis. A deflector rudder 2 is pivotally mounted across each duct termination on axes parallel to the perpendicular on which the faces intersect. The deflector rudders are profiled such  that they may be turned to register with either one of the inclined wall terminations to obstruct the passage of liquid therethrough and divert liquid through the other side of the duet to act upon the rudder across that opening.
Patent GB-1046745-A (GB)
Title: Improvements relating to thread delivery arrangements for circular knitting machines
IPC: D04B15/48
Filed: 1964-08-26
Abstract: A thread delivery arrangement for slip free feed to a circular knitting machine comprises a thread delivery device associated with a synchronious motor which drives the device and the alternating current of which is generated by a rotating field generator, said motor receiving pulses at a frequency proportional to the speed of the needle cylinder.
Patent GB-1302092-A (GB)
IPC: F26B13/20
Filed: 1970-02-19
Abstract: 1302092 Feeding webs TEC SYSTEMS Inc 19 Feb 1970 [27 Feb 1969] 35063/72 Divided out of 1302091 Headings F4G G18J and G11A The subject-matter of this Specification is similar to that described in Specification 1302091, but the claims relate to the provision of additional nozzle means located between linear slot nozzles arranged to produce a converging fluid-flow that supports a web.
Patent GB-1131950-A (GB)
Title: Improvements in conveyors
Inventor: SEDLMAIR NORBERT
IPC: B65G17/06
Filed: 1966-08-05
Abstract: 1,131,950. Endless conveyers. WAGGON-FABRIK JOS. RATHGEBER A.G. 5 Aug., 1966, No. 35092/66. Heading B8A. Alternate ones of a plurality of trolleys 1, 2 forming a contiguous surface of an endless conveyer are mounted on one of two pairs of guide rails 4, 5 wherein at a horizontal turn one of said pairs of guide rails is displaced vertically relative to the other to permit adjacent trolleys to overlap on their passage around the return pulley 9. The pairs of guide rails are of the same gauge but are displaced relative to each other a distance at least equal to the roller width and the vertical displacement at the turns is at least equal to the thickness of the rectangular plates forming the carrying surface of the trolleys. An endless link chain 7 running in a trough 11 drives the trolleys by means of upstanding pegs 12 engaging in a socket 14 on the underside of the trolleys. A socket 14 on each trolley is engaged by pegs 12 on an endless drive member to permit the relative vertical movements of the trolleys. The pegs 12 corresponding to alternate trolleys have a cap 16 to engage a lip 15 on the socket 14 whereby the endless drive member is partially supported by the trolleys. In an alternative embodiment, Fig. 3 (not shown), the pairs of guide rails have different gauges and the straight portions of their runs are formed of flat strips which divide into the respective guideway at the turning points. The trolleys are preferably engaged by the endless chain at a point in front of their centre of gravity, e.g. in the direction of travel 17 of said trolleys. The conveyer can be used for transporting passengers.
Patent GB-361613-A (GB)
Title: Improvements in or relating to armouring for the surfaces of roads and the like
IPC: E01C11/16
Filed: 1930-11-21
Abstract: 361,613. Paving and flooring. DOHERTY, P. S., 37, Kirkstall Road, Streatham Hill, London. Nov. 21, 1930, No. 35165. [Classes 20 (iv) and 107.] A metallic reinforcement and antiskid for concrete, asphalt, or other roads or floors consists of steel strips a bent to form half figures such as hexagons, octagons,or diamonds, joined by punchedout tongues d, d<1> and slots e formed either on opposite sides or on same sides, and held in place by the road material without tie rods or boundary framework.
Patent GB-424143-A (GB)
Title: Improvements in abdominal belts and the like
IPC: A61F5/03
Filed: 1933-12-14
Abstract: 424,143. Abdominal belts. DOMEN BELTS CO., Ltd., and BERNARD, D. I., 26, Sloane Street, London. Dec. 14, 1933, No. 35216. [Class 141] An abdominal belt has upper and lower bands d, a connected at the front by crossed or equivalently arranged straps b so that adjustment of the straps b and one or both of the bands a, d is effected by a single operation. In one form, the band a is endless, and crossing straps b fixed thereto pass through loops c on the ends of the band d and have their free ends adjustably connected by a slide buckle e ; alternatively, the free ends of the straps b may be fixed together and the band d made adjustable by forming it in two parts connected by a slide buckle or by combining a slide buckle with one loop c. In another form, the straps b comprise a single strap which is passed through loops c<1>, c on the ends of the bands a, d ; the two parts of the strap may cross between the bands or they may be passed through a loop g carried by a tab h fixed to the band b midway between the loops c<1>. The adjusting slide buckle may be arranged in the lower instead of the upper band. Either or both bands may be formed partly or wholly of elastic material and may be of uniform width or shaped. The bands and straps may be incorporated in a corset and the laces thereof connected to the upper part of the strap b so that the upper band and the laces are tightened simultaneously. Fig. 5 shows a belt comprising an elastic band p attached to a central portion m stiffened by ribs n and elastic side portions o to which are attached bands q, r. The bands q, r carry stiffened tabs u, v provided with hooks k and eyes l for fastening the belt and are provided at their free ends with loops ql, r<1>. Straps b attached to the band p are passed through the loops ql, r<1> and slide buckles w fixed to the central portion m and the belt is tightened by pulling the ends of the straps b apart. In all constructions, the straps may be formed by a number of laces passing through eylets.
Patent GB-1450320-A (GB)
Title: Multiconfiguration ionization source
IPC: G01N27/62
Filed: 1974-08-09
Abstract: 1450320 Ion sources HEWLETT-PACKARD CO 9 Aug 1974 [27 Aug 1973] 35218/74 Heading H1D An ion source operable in two modes in which the gas to be ionised is at different pressures comprises within an evacuable enclosure 14 a chamber 16 having a slidable hollow member 28 within a bore 24. With the member 28 in the position shown gas is admitted through an orifice (23) Fig. 2 (not shown) in chamber 16 and an inlet 20 in member 28 while electrons from a filament 18 in orifice 17 pass through passage 32 in member 28 towards a collector 50 under the action of magnets 52, 52<SP>1</SP>. In this mode ions are emitted through conical passage 34 in an insert 35 in member 28. An ion repelling potential is applied via a connector 38 to insert 36 also in member 28. In the second mode, Fig. 2, the member 28 is moved to the left by means of arm 72 and handle 48, the vacuum being maintained by bellows 46, to the extent that insert 35 is to the left of orifice 17 with the effect of increasing the aperture through which the electrons enter the ionisation region and the aperture by which the ions are emitted, thus lowering the pressure of the ionised gas. In this case the repelling voltage is applied to insert 35. Reference has been directed by the Comptroller to Specification 1338213.
Patent GB-793390-A (GB)
Title: Improvements in or relating to filters
Inventor: COLLINS GEORGE MCLEISH
IPC: B01D29/39
Filed: 1955-12-09
Abstract: 793,390. Filters. BIRMINGHAM SMALL ARMS CO., Ltd. Nov. 21, 1956 [Dec. 9, 1955], Nos. 35346/55 and 35838/55. Class 46. [Also in Group XXVIII]  In a filter comprising porous metal filter elements arranged around and in communication with a central tube, tubes connect the elements to a header chest or directly to the tube and permit replacement of one or more of the elements. The tubes may be cut and the tubes of a new element be welded to the remaining parts of the existing tubes or union couplings &c. may provide separable connections. As shown, a central tube 3 is surrounded by radially disposed filter elements 2 each formed from arcuate plates 6, 7 of porous metal welded together at their longer edges and reinforced and spaced by perforated cross plates 12 and radial strips 14, 15. The connecting tubes 17, 18 are welded to end plates 8, 9 and lead to headers 4, 5 on a central tube 3. The reinforcements may be external to the elements. The headers may be integral with the tube or the tube may be of the same diameter as the headers provided it is less than that of the circle touching the inner sides of the elements 2. If no header is used, the tubes connect directly with the central tube and are connected thereto in staggered formation.
Patent GB-303270-A (GB)
Title: Improvement connected with imitation trees, shrubs or the like
IPC: A47G33/06
Filed: 1927-12-30
Abstract: 303,270. Ellison, P. Dec. 30, 1927. Artificial leaves.-Imitation trees or shrubs, formed from lengths of twisted wires A holding strips of feathers B and combined into a trunk C, have each length or parts of each length dyed or stained of different shades or colours. The colours may be augmented by silver, gold, &c. paint or material at various parts, such as the tips of the branches.
Patent GB-817648-A (GB)
Title: Apparatus for separating solid and liquid particles from air
IPC: B01D45/08
Filed: 1955-12-09
Abstract: 817,648. Centrifugal separators. FARR CO. Dec. 9, 1955 [Aug. 29, 1955], No. 35484/55. Class 23 In a cell for a multi-cell separator and comprising a body C, whirl vanes F at one end of the body, a gas outlet tube D extending into the other end of the body, and baffles H between the whirl vanes and the outlet tube, a radially inwardly projecting spiral rib 70 is formed on the body. The separator may separate solid or liquid particles. Dust deposited in the collection chamber X may be dislodged by circulating air through the chamber, or by vibrating the chamber. Specifications 760,669 and 769,503 are referred to.
Patent GB-346798-A (GB)
Title: Improvements in fasteners for the bonnets of motor vehicles applicable also to other like devices
IPC: E05B65/19
Filed: 1929-11-20
Abstract: 346,798. Motor-car bonnet fasteners. QUAKER, Ltd., S., 110, Park Street, Camden Town, BROWNE, H. C., 48, Hodford Road Golders Green, and SANDERS, E. A., 116, Fordwych Road, Brondesbury, all in London. Nov. 20, 1929, Nos. 35528/29 and 15684/30. [Class 44.] One of the elements of a motor car bonnet fastener is spring controlled and disengagement is effected by a rotary movement of the operating handle which rocks the point of application of the spring past a dead-centre position. In the construction shown in Fig. 1, the fastener comprises a fixed bracket 5, a pivotally mounted operating handle 8 and a plunger rod 18. One end of the rod 18 is held in a cylinder 23 between a light spring 25 and a heavy spring 27 and the other end 19 is pivoted at 13 to the handle 8. To disengage the fastener the finger-piece 9 of the handle is pulled over and the point of application of the spring 27 passes through its lowermost or deadcentre position and then moves upwards to release the spring. A further movement of the handle withdraws plug 24 from its socket 3 and the rod 18 takes up an inclined position with its end 19 engaging a pin 20. Alternatively the cylinder 23 may be attached to the bonnet and the end of the rod 18 formed as a plug which engages a socket carried between the springs in the cylinder. In a further modification shown in Fig. 4, the bracket 5 is mounted on the bonnet and the cylinder 23 is pivoted to a bracket 34 attached to the chassis 1. The upper end of the rod 18 is formed as a hook 36 which engages a pin 13 on the handle. Rubber stops 16 are carried on the cylinder.
Patent GB-871566-A (GB)
Title: Improvements in or relating to automatic electronic controllers
IPC: G05B11/01
Filed: 1956-11-17
Abstract: 871,566. Automatic control systems. STEGHART, F. L. F. Feb. 22, 1957 [Nov. 17, 1956], No. 35578/60. Divided out of 871,562. Drawings to Specification. Class 38 (4). In an electronic control system for automatically maintaining a primary physical property of a medium at a desired value an electrical signal dependent in sign and magnitude on any error is applied to a D.C. amplifier operating a regulator which corrects the error by varying a secondary physical property, an overriding signal for limiting the value of the secondary property being applied to the amplifier if the secondary property reaches a predetermined limit. The arrangements described are identical with arrangements described in Specification 871,562 in which a resistor variable with the temperature of a zone is connected in a bridge circuit controlling, through an electronic amplifier, a motor adjusting the supply of heating medium to the zone. In one arrangement operation of a thermal switch when a secondary variable, which may be the temperature in a duct supplying the heating medium, reaches a predetermined limit, introduces a condenser, which is being charged through a resistance, to bias the amplifier in such sense as to restore the temperature within the limit. However, if the temperature goes beyond the limit the thermal switch decreases the resistance to increase the rate of charge of the condenser. In another arrangement a thermal switch responsive to the secondary variable energizes heaters associated with temperature-variable resistors when the temperature limit is reached so that the amplifier is appropriately biased and the output of the bridge circuit attenuated when the limit is reached.
Patent GB-387093-A (GB)
Title: Improvements in or relating to rib knitting machines
IPC: D04B9/10
Filed: 1931-12-24
Abstract: 387,093. Knitting-machines. SPIERS, Ltd., W., X.L. Works, Walnut Street, Leicester, and KENT, A. W., Swithland, Leicester Road, Groby, Leicestershire. Dec. 24, 1931, No. 35662. [Class 74 (ii).] Circular machines.-In a rib knitting-machine an auxiliary feed is put into operation automatically when a welt is to be formed, the rib or the plain needles only knitting at the auxiliary feed while the other needles only knit at the main feed. Holding-down bits operate in conjunction with the rib needles. As shown, the plain needles 5 always knit at the main feed cam B and are normally raised to clearing position at the auxiliary feed position by a clearing cam 9, but when the auxiliary feed is put into operation the cam 9 is withdrawn and the needles 5 then follow the non-knitting path 8 and do not take yarn there. The rib needles 2 normally are lifted by a levelling cam 1, knit at the main feed cam 50, and pass under the welt cam 7, but when the auxiliary feed is put into operation, the needles 2 miss the cam 1, are raised by the welt cam 7 and knit at the auxiliary feed cam 52. The cams 1, 7, 9 are operated from or by the same mechanism as the auxiliary feed. The auxiliary yarn guide 10 is moved to and from the needle cylinders by levers &c. 39, 34 and is provided with a cam slot 21 in which is a pivoted latch 22 to cooperate with a pin 24 on a yarn cutter 15 pivoted at 16 to the yarn guide bracket. Also pivoted at 16 and loosely connected with the cutter 15 is a clamp 14 which clamps the yarn a prior to its being severed by the cutter 15 when the yarn guide 10 is withdrawn. Holding-down bits are depressed at the main or the auxiliary feed where the rib needles are knitting by a cam 48 or 49, these cams being mounted on slide rods 63, 70 and put into or out of action by cams 68, 73 on the levers 69, 74 which operate the cams 1, 7. According to the Provisional Specification these bits are thin and blade-like and are arranged alongside the needles or sliders in the tricks of the rib needle cylinder, their lower ends being bent laterally to come midway between the needles. Specification 387,987 is referred to.
Patent GB-1391742-A (GB)
Title: Method of manufacturing an imagereproducing ribbon for example a typewriter ribbon
IPC: B65H75/14
Filed: 1973-03-06
Abstract: 1391742 Making type writer ribbons FRANZ BUTTNER AG 6 March 1973 [6 March 1972] 35680/74 Divided out of 1391741 Heading B8M A method of manufacturing an imagereproducing ribbon, e.g. a typewriter ribbon, wound on a spool having a one-piece hollow core and two separate flanges attachable thereto, comprising the steps of dyeing a fullwidth carrier material, of cutting in one operation the full-width material into a number of ribbons, guiding each so that it extends parallel with the adjacent ribbon, or ribbons, winding each on a respective one of a number of said cores and mounting two flanges on each core after the respective ribbon has been wound thereon. The carrier material may be fabric or paper. The spool forms the subject of Specification 1,391,741.
Patent GB-1277648-A (GB)
Title: Improvements in the construction of silos
Inventor: PETIT GEORGES
IPC: B65D88/64
Filed: 1969-07-16
Abstract: 1277648 Discharging material from hoppers G PETIT 16 July 1969 [24 July 1968] 35734/69 Heading B8S Material falls from a hopper S, Fig. 1, and passes through a hopper 3, which may be vibrated, on to a conveyer belt 1. Flow of the material is controlled by slides 9, 7<SP>1</SP>. The material forms a slope 10b which is sensed by a feeler 12 which causes the hopper 3 to be vibrated when the flow of material is reduced because of clogging. Fig. 15 shows how the feed of material to the main hopper may be diverted by a shoot Bp to a subsidiary hopper Tt until material lodged in the main hopper is completely cleared. Fig. 7 shows one arrangement of flexible seal A, E, between upper and lower hoppers S, 3. Others are illustrated in Figs. 8-10 (not shown). Fig. 22 illustrates an arrangement of a reciprocating and revolving endless conveyer Ex for evenly filling a hopper. Fig. 24 shows an arrangement of friction reducing lining which comprises overlapping sheets 20 of low friction material backed by resilient pads 21.
Patent GB-409446-A (GB)
Title: Improvements in or relating to controlling means for spraying apparatus
IPC: B05B1/30
Filed: 1932-12-16
Abstract: 409,446. Spray-producers. ECLIPSE SPRAYING CO., Ltd., and GRIMLEY, W., 1A, Rawlings Road, Bearwood, Smethwick, Staffordshire. Dec. 16, 1932, No. 35768. [Class 69 (iii). A regulable spraying apparatus comprises a valve casing 5 provided with or connected to a spray nozzle 23 having a supply branch 7 and a valve seat 6 between the branch and the end of the casing. The valve seat may be closed by a valve 12 carried by a screwed spindle 11 having a handle 18 by which the sprayer may be supported and directed. The valve stem may be provided with an extension 25 carrying a controlling member 26 for the spray nozzle, its movement being limited by a stop 24 engaging the outer face of the valve 12.