baber/WOPTO huggingface dataset:
Patent GB-1218907-A (GB)
Title: Process for producing amino acid derivatives
Filed: 1969-06-09
Abstract: 1,218,907. N-Acylated amino acid esters. AJINOMOTO CO. Inc. 9 June, 1969 [10 June, 1968; 10 Aug., 1968], No. 29020/69. Heading C2C. N-Acylated amino acid esters of the formula (where X is such that X.CH(NH 2 )COOH represents glycine, alumina, α-aminobutyric acid, valine, leucine, isoleucine, phenylalanine, tyrosine, tryptophane, methionine, lysine, monohydrochloride or ornithine monohydrochloride; Z is hydrogen or -COOR, and R is alkyl of from one to four carbon atoms) are prepared by heating an amino acid X.CH(NH 2 )COOH and oxalic acid or formic acid in an alkanol R.OH at 80-200 C. Excess of the alkanol (e.g. 10-15 moles/mole amino acid) and of the formic or oxalic acid (e.g. 2-3 moles/mole amino acid) is preferred. Oxalic acid yields both N-formyl and N-alkoxalyl derivatives, higher tempertures favouring N-formylation, and the reaction is preferably carried out by removing the water formed with an alkanol in the course of the reaction, then adding an alkanol to the residue, followed by heating.
Patent GB-210157-A (GB)
Title: Improvements in or relating to automatic weighing machines
IPC: G01G1/00
Filed: 1922-10-25
Abstract: 210,157. Persichetti, C. S. Oct. 25, 1922. Pendulum-weight apparatus. - The pendulum arm is provided with an additional enlargement or weight situated adjacent to the fulcrum to counterbalance the scale pan and its suspension connections and to serve as a driving member for the indicating mechanism. The pendulum arm c<1> forming part of the beam c is curved to correspond with the shape of the casing and is provided at its lower end with a weight e having its centre of gravity situated vertically below the fulcrum d<1>. The arm c<1> has an enlargement or counterbalance weight i connected by a flexible band p to one or more indicating pointers y steadied by a dash-pot x. A paddle 13 is provided at the lower end of the arm c<1>. A shot receptacle 16 is provided in the weight e for adjustment purposes and is accessible by removing a cover 17 on the casing. A drain plug 20 permits removal of liquid displaced into the casing by the action of the paddle 13. The pan support h may be steadied underneath by a link.
Patent GB-650647-A (GB)
Title: Holder for razor blades
IPC: B26B5/00
Filed: 1948-11-09
Abstract: 650,647. Cutting-appliances., NAAS, N. R. Nov. 9, 1948, No. 29115. [Class 31 (ii)] [Also in Group XIV] A holder for a razor blade, for use as a seam ripper or paper cutter, comprises a U-shape frame 1 having legs of different lengths and grooved at 2 on their inner edges, the cutting edges of the blade 3 being slidable, with difficulty, in the grooves. The blade may be slid from an out-of-use position, in which both cutting edges are protected in the holder, to the position shown, displacement being stopped by the abutment 5. The legs are resilient to allow replacement of the blade.
Patent GB-1371018-A (GB)
Title: Vacuum cleaner
IPC: A47L5/34
Filed: 1973-06-20
Abstract: 1371018 Suction cleaners ELECTROLUX Ltd 20 June 1973 [3 July 1972] 29198/73 Heading A4F A vacuum cleaner incoporates an agitator 17 mounted adjacent a suction inlet 25 and driven about a horizontal axis by a motor 19, the agitator being journalled at its ends in members 38 which are urged by springs 39a, 39b vertically downwards to urge the agitator against a surface such as a carpet being cleaned. The agitator thus automatically adjusts in height according to the nap height of the carpet and according to the load on the motor. The agitator comprises an outer sleeve 29 provided with helical rows of bristles 18 and an inner sleeve 30. Stub shafts 32 at each end of the inner sleeve 30 are mounted in bearings 34 in the members 38,the members 38 being retained in pockets 42 in the body of the cleaner. The motor 19 drives a centrifugal fan 21 which draws in air through inlet 25 and discharges the air and entrained dust through outlet 26. The motor 19 also drives the agitator 17 via an endless belt 22 and, to maintain the belt 22 taut, springs 53 are provided urging the agitator in a forward direction.
Patent GB-248476-A (GB)
Title: Improvements in or relating to portable dark rooms
IPC: G03D17/00
Filed: 1924-12-05
Abstract: 248,476. Pires, P. E. Dec. 5, 1924. Sight-testing and eye-examining apparatus. - A tent or awning useful as a dark room for ophthalmic work comprises a portable frame a and a flexible cover formed of integral back, sides, and top with independent front screen. The cover and front screen are connected by rings to cords s which pass over runners on the frame bars and are connected at their ends to a bar b and counterbalance weights w, w<1> respectively, so that as the bar is depressed against the action of the counterbalance weights, the cover is drawn across the frame to form a dark enclosure.
Patent GB-428584-A (GB)
Title: Improvements relating to processes for the treatment of lime aluminates
IPC: C01F7/164
Filed: 1934-10-15
Abstract: Crude calcium aluminates are purified by dissolving them in water or a saline solution such as a solution of a calcium salt or of sodium chloride, advantageously at a temperature of 30 DEG  C., separating undissolved impurities as by filtration, and recovering pure calcium aluminate from the solution.  With a pH value of the solution of about 11,5, the calcium aluminate precipitates readily, but precipitation may be accelerated by adding lime to bring the pH value up to 12 or above.  The mother liquor from the precipitation may be used for dissolving fresh aluminate, preferably after removal of dissolved lime by means of carbon dioxide.  The pure aluminate may be converted to alkali aluminate by treatment with an alkali carbonate solution, and alumina be obtained from the resulting solution by treatment with carbon dioxide with regeneration of the alkali carbonate.  Calcium carbonate obtained in various steps of the process may be converted to lime for re-use or be used in the production of crude calcium aluminate.  Specification 423,594 is referred to.
Patent GB-278647-A (GB)
Title: Improvements in or relating to stencil sheets for use on duplicating machines
IPC: G03F7/12
Filed: 1926-11-22
Abstract: 278,647. Polygraphische Ges. Oct. 8, 1926, [Convention date]. Stencils.-In the photographic production of stencils for use on duplicating-machines, a negative of the original is produced photographically on printing paper coated with a film of gelatine and provided with a silver colloid layer, the negative is developed and, together with its support is squeegeed while wet on to a porous stencil sheet such as Japanese paper, and is dried. The negative is next tanned by means of a bichromatesolution, the gelatine film is softened by pouring warm water on to the original paper support so as to allow this support to be removed, and the untanned parts of the negative are washed out, leaving a negative copy of the original fixed on the stencil sheet and forming the ink-impermeable image. Specification 178,884 is referred to.
Patent GB-1080922-A (GB)
Title: An improved mechanical race game
IPC: A63F9/14
Filed: 1964-07-21
Abstract: 1,080,922. Mechanical race games. G. K. HARKNESS and R. I. CROOK. July 20, 1965 [July 21, 1964], No. 29568/64. Heading A6H. A mechanical race game comprises a casing A housing a unit B which is rotatable about the central shaft F of the casing, the unit B comprising an annular slotted track A2 supported for rotation in the plane of the casing top A3, and models D supported by levers D1 pivotally mounted on the shaft K of the unit. As the unit rotates, a support wheel G thereof drives a cam shaft C, the cams of which act. on levers D1 to vary the relative positions of the models, means being provided to disengage the drive to the cam shaft and align the models at the beginning of a race. The winning model is arranged to operate electrical or mechanical indicators to indicate the result of a race. In races of more than one lap mounting Q is retracted after the start and before a second circuit commences. On approaching the winning post T; segmented disk R engages pin S thus ensuring that a cam C1 is at the height of its stroke to project a winning model.
Patent GB-931679-A (GB)
Title: A ten-key calculating machine
IPC: G06C7/10
Filed: 1961-08-16
Abstract: 931,679. Calculating-apparatus. OLYMPIA WERKE A.G. Aug. 16, 1961 [Aug. 30, 1960], No. 29571/61. Class 106 (1). In a ten-key calculating-machine the differential actuators 21 are carried on the pin carriage 11, are released in turn by depression of the keys and slide on shaft 13 which is raised to bring the actuators into engagement with totalizer pinions 22 on their being returned by a reciprocating bar 43. Depression of a key 1 valued 0 to 8 causes an extension 8 of the key shank to depress a pin 10 into the path of a corresponding actuator 21. The extension 8 also acts on an arm 19, pivoted on shaft 18, which is caused to depress a pin 16 disengaging it from stop 17 and permitting the pin carriage to move one column to the left under the action of a spring (not shown). Actuators 21 are held forward by arms 34 of latch members urged anticlockwise by compression springs 36. A latch member is released by the action of a depressed pin 16 on an arm 32. When the " 9 " key is operated only pin 16 is depressed and the actuator 21 takes up a position with the end 24 of the slot by which it slides on shafts 13 and 28 abutting shaft 28. For repeated addition rotation of a shaft 40 causes a bar 38 to hold the latches 32 out of engagement with the actuators 21. The pin carriage 11 moves on shafts 12 and 13. There is a crowding lock comprising balls 7.
Patent GB-253799-A (GB)
Title: Improved valve mechanism for internal combustion engines
IPC: F02F1/42
Filed: 1925-11-24
Abstract: 253,799. Fornaca, G. Nov. 24, 1925. Valve gear.-A set of valves 3 is actuated by a pair of cams 7 arranged at opposite sides of a bearing 5 of the cam shaft, the bearing having an extension 9 which serves as a guide for a cross-piece 10 contacting with the cams and engaging the valve stems through tappets 11. These tappets are secured in the split ends of the cross-piece by scews 11<1>.
Patent GB-912515-A (GB)
Title: Improvements in or relating to a golf accessory and to a golf putter comprising the same
IPC: A63B53/00
Filed: 1960-08-27
Abstract: 912,515. Golf accessories. CADY, H. F. Aug. 24, 1961 [Aug. 27, 1960; Feb. 24, 1961], Nos. 29643/60 and 6804/61. Class 132 (2). A disc 6 of magnetizable material, such as steel, for marking the position of a temporarily lifted golf ball, is held in place on a putter by means of a button magnet 3, which may either be secured at the upper end of the putter shaft, or be slipped into a recess formed in the heel portion 21 of the putter head 20. In the former case, the magnet 3 is mounted in a housing 1 and screwed to the core 15 of the putter shaft.
Patent GB-622820-A (GB)
Title: Sieve or grid for kitchen sinks
IPC: E03C1/264
Filed: 1945-11-07
Abstract: 622,820. Sink outlet strainers. VINOKOR, I. Nov. 7, 1945, No. 29677. [Class 26] A grid or sieve to be placed over the outlet of a sink consists in a flanged ring 6" which fits into the usual outlet in the sink bottom with the flange 6<SP>1</SP> resting on the edge, and an inverted perforated cup upstanding from the ring flange 6<SP>1</SP> so that the cup bottom covers the passage through the ring and the cup is wholly positioned above the level of the sink bottom when the ring 6" is fitted in the sink outlet. The wall 5' and the bottom 5" of the inverted cup may be undulated, and the portion of the flange 6' shown projecting beyond the wall 5' may be omitted.
Patent GB-1003561-A (GB)
Title: Clutch transmission
Inventor: ROBINSON NORMAN ROBERT
IPC: F16H37/00
Filed: 1964-07-24
Abstract: 1,003,561. Clamps. ROLLS-ROYCE Ltd. July 24, 1964, No. 29800/64. Heading E2B. [Also in Divisions Fl and F2] Relates to the control of a ratchet clutch 63 (see Division F2). A shaft 40 is connected through a bearing to a non-rotary hollow rod 102 splined within the cup-shaped end 101 of an actuating rod 97 in turn splined within a fixed rod support 100. Axial grooves in the hollow rod 102 receive pairs of balls 107, 108 spring biased apart against wedge surfaces 111, 112 at the groove ends so that the balls lock the hollow rod to the support, preventing movement of the shaft 40. On up or down movement of the actuating rod 97, lost motion in a pin-and-slot, &c. or like connection 105 between the actuating and hollow rods is first taken-up, this motion moving the balls 107, 108 away from the wedge surfaces 111, 112. The hollow rod 102 is then free to move axially, together with the shaft 40, for disengagement, &c. of the ratchet clutch 63.
Patent GB-1524695-A (GB)
Title: Flavouring and fragrance compositions
Inventor: TSENG CHING Y
IPC: C07C29/42
Filed: 1975-07-18
Abstract: To alter organoleptic properties of food products or commodities, compounds of the formula (I) are used, <IMAGE> in which R denotes the hydrogen atom or an alkyl group having up to 6 C atoms and at least one of the broken lines is a carbon-carbon  pi bond, subject to the condition that   (A) if at least the broken line in the  DELTA <3,4> position is a carbon-carbon  pi  bond, R signifies only one alkyl radical having up to 6 C atoms and (B) if only the broken line in the  DELTA <3,4> position denotes a carbon-carbon  pi  bond, the substituent at the 4 position of the DELTA <3,4> double bond is in the cis-orientation to the substituent at the 3 position of the corresponding  DELTA <3,4> double bond.   The compounds (1) can be used for example as mixtures in the form of additives or seasonings or can be added to the food products or commodities. Preferred commodities are cosmetics, detergents, chewing gum and smoking materials.
Patent GB-700304-A (GB)
Title: Improvements in and relating to voltaic cells
Inventor: LINTON ALFRED
IPC: H01M50/528
Filed: 1950-12-11
Abstract: 700,304. Batteries. BURNDEPT, Ltd. Aug. 1, 1951 [Dec. 11, 1950], No. 30241/50. Class 53. A cup-shaped receptacle for a dry cell which serves to connect one cell in series with another is made by moulding under heat and pressure a dry mixture of carbon and a thermoplastic resin. Only the bottom of the receptacle consists of the conductive mixture, the sides consisting of the plastic resin alone, for example polythene. The receptacle may be moulded on the zinc electrode of the adjacent cell as shown in Fig. 1 in which an insulating resin receptacle 2 is moulded with a conductive base 1 and secured to a zinc plate 3. Fig. 3 shows a method of making the receptacle in which a mixture 4 of carbon and polythene is placed on a zinc plate 3 supported by a die 7. A ring 5 of polythene surrounds the mixture 4 and the whole is heated to melt the resin and cause it to adhere to the zinc plate 3 whereupon the die 7 is pressed into the matrix 6 which causes the ring 5 to be pressed into the form of the receptacle 2 shown in Fig. 1. Fig. 4 shows a stack of cells in which the receptacles 2 are deeper than that shown in Fig. 1 to enable each pair of receptacles to be sealed together at two positions as shown by the arrows. The cells are completed by porous sheets 9 and depolarizer cathodes 10. Fig. 6 shows an alternative method of joining a number of cells together in which the stack 11 is placed on two crossed bands 12, 13 of polythene-coated paper. 'The stack is compressed between anvils 14, 15 and passed through a heated die 16 which presses the bands 12, 13 against the cells to which they adhere. Fig. 8 shows a battery in which each cell receptacle is formed with flanges 18, 19 which are united by heat to the flanges of the adjacent cell. A moulded sheet 21 having a central conductive portion which makes contact with the cathode of the top cell is provided with locating studs 22 which position a steel pressure plate 23 and an insulating plate 24. The plate 24 has a central opening through which connection is made to the plate 23. The lower end of the battery is finished off in a somewhat similar manner and the whole held together by paper &c. tapes. The Provisional Specification refers to Specification 579,986.
Patent GB-248500-A (GB)
Title: Improvements in or connected with the alighting gear of aircraft
IPC: B64C35/00
Filed: 1924-12-17
Abstract: 248,500. Parnall, G. G., and Bolas, H. Dec. 17, 1924. Land wheels.-A seaplane float is formed with a well 9 in which is mounted a land wheel 3 which can be turned so as to close the mouth of the well with one of its faces. The hub 4 is slidably mounted on an axle 5 secured to a trunnion member 6 working in ball races 7 suspended bv rods 8 from the top of the well, and to a pair of segmental racks 14 meshing with a double pinion 15. Radius rods 12, 13 are secured to one or both of the races 7 to prevent fore-and-aft and sideways movement. When the wheel is in the position shown in Fig. 1, the hub is held on its extreme inner position by a spring 21 arranged between a collar 5b fixed to the axle and a collar 17a on a rod 17 secured to the hub. When the pinion 15 is rotated, the axle is turned on its pivot 6 and towards the end of the movement, a roller 22 carried by the rod 17 engages a cam surface 23 on the wall and forces the wheel down against the spring 21 on to a seating 24. Movement in the other direction is limited by a bar 25 rigidly secured to the axle and adapted to engage within a crutch 26 secured to the well. Landing hooks may be provided on the rod 25. At the rear of the well a passage is provided to allow any water that may have entered the well to be sucked out automatically when the machine starts, means being provided for putting the well into communication with the atmosphere. According to the Provisional Specification, a worm is used in place of the pinion 15.
Patent GB-229775-A (GB)
Title: Improvements in or relating to shuttle-actuating devices of power looms
IPC: D03D49/24
Filed: 1923-12-01
Abstract: 229,775. Eilhauer, F. Dec. 1, 1923. Picking-motions; shuttles. - The shuttle 24 Fig. 1, is propelled by means of a coupling member 4 serving as a shuttle box and a picker and furnished with a spring-controlled pawl 21 to engage a notch 25 in the shuttle. The part 4 is connected by an adjustable part 5 to an arm 7 operated by a connecting rod 8 and a crank 9 on a shaft 10 provided with a wheel 11 provided with a notch 12 engaged by a spring pawl 14 or a loosely-mounted chain roller 13 operated by a chain 15. This chain is connected to a spring 17 and also through intermediate parts to a second crank which causes the return movement of the member 4 until the dead points of the cranks are passed, whereupon the crank 9 engages a locking-member. During the return stroke of the lay, this member 15 is displaced by an adjustable stop thus freeing the crank 9, whereupon the member 4 is projected forwards by means of a stressed spring 6, and the pawl 21 is disengaged from the shuttle by a pivoted stop 26, thus freeing the shuttle. The stop yields on the return stroke of the member 4. When the incoming shuttle strikes the member 4, which preferably has just commenced its return stroke, it engages the sloping surface of a projection 28, and the pawl 21 drops into the notch 25, whereby the shuttle is coupled to the member 4. The weft is tighfened by the movement of the shuttle during the return stroke of the picker. An underpick device for operating the arm 7 is described comprising an eccentric or roller arm operating a cam projection on a lever on the arm to give the picking stroke, and a cam disc on the eccentric shaft operating an arm connected to the lever referred to for giving the return stroke.
Patent GB-1014372-A (GB)
Title: Device and method of setting press buttons, rivets or like fastening means in various fabrications
IPC: A41H37/04
Filed: 1963-07-31
Abstract: 1,014,372. Riveting. W. H. C. BISHOP, and D. E. LOPEZ. July 27, 1964 [July 31, 1963], No. 30340/63. Heading B3U. [Also in Division A3] A device for use with a press for setting the complementary pairs of press buttons comprises a plate with a movable section with locations for the parts so that in one position one of the parts is picked up by a die nipple and in the other position the picked-up part is pressed by the die to engage the other part remaining on the movable section. The movable section 2 is moved against the action of a spring 9 to a position under the die nipple 16. The die nipple 16 is depressed by a foot treadle and picks up the socket 14 from a recess 12. The section 2 is allowed to return by the action of spring 9 to the position where the die nipple is over a socket cap 15 in a recess 13. The die nipple is again depressed, and presses the socket through a layer of fabric into the socket cap. The stud of the fastening is similarly set, the stud and socket being supported on nipples which may be removably located in the recesses 12 and 13 in the movable section 2.
Patent GB-190865-A (GB)
Title: Improvements in collet chuck
IPC: B23B31/20
Filed: 1921-11-14
Abstract: 190,865. Pfunder, E. L. Nov. 14, 1921. Chucks.-The body 1 of a collet chuck is secured by screws to a sleeve 3 and is provided with a bevelled socket 5 accommodating a three jaw spring collet 7, Fig. 3. The ends of the jaws are engaged by the flange 11 of a non- rotary screwed ring 10 which is moved axially to open and close the jaws by means of a ring 12 rotated by a toothed key 16 and held against axial movement by balls 13.
Patent GB-395008-A (GB)
Title: Improvements in radiators for heating buildings
IPC: F24C1/14
Filed: 1931-11-03
Abstract: 395,008. Electric radiations ; airheating stoves. ROSS, F. A., 23, The Broadway, Tynemouth, North Shields. Nov. 3, 1931, No. 30389. [Classes 39 (iii) and 126.] A radiator comprises a heating element HI, Figs. 2 and 3, a reflector A<1>, and air-heating elements B<1>, which absorb part of the radiant heat from the heater while allowing the rest to pass to the apartment to be heated, the elements being provided with cool air inlets c<2> and warm air outlets d2 and all the parts being carried in a main casing so as to form a unitary structure. In a modification, the tubular elements B<1> are replaced by slats B<3>, Fig. 8. All the airheating elements may be pivoted about their longitudinal axes. An air heating passage t, Fig. 5, may be provided at the back of the reflector A<1>. In the gas heated construction shown in Figs. 2 and 3, air passing in contact with the heating element H<1> is led away through a flue F but in the case of the electric heater shown in Fig. 5, it is led into the room through port d3. In another construction shown in Fig. 9, an air passage formed with a bell mouth and taper bore is positioned along the axis of a parabolic reflector A<5> the heating element H<5> surrounding the passage.
Patent GB-503971-A (GB)
Title: Improvements in or relating to electric fans
IPC: F04D29/36
Filed: 1937-11-05
Abstract: 503,971. Screw fans. GENERAL ELECTRIC CO., Ltd., and JACOBY. H. C. E. Nov. 5, 1937, No. 30396. [Class 110 (i)] In an electric fan wherein the rake of the blades is continually varied as described in Specification 364,681, the fan blades are rotated by an internal rotor 4 with shaft 5 passing through a stationary toothed member 11 engaged by toothed members connected to the blades 7. Member 11 comprises a sleeve secured by a flange 12 to the stator casing 6 or formed integral with the casing. The blades are mounted on trunnions 14 with self-lubricating bushes 16 carried by a cup-shaped member 8 secured to the shaft 5 and enclosing the toothed members, member 8 with the blades being readily detachable from the shaft 5. Reference has been directed by the Comptroller to Specification 490,962.