baber/WOPTO huggingface dataset:
Patent GB-331375-A (GB)
Title: Improvements relating to apparatus for conveying dust laden air
IPC: F04D29/62
Filed: 1929-06-19
Abstract: 331,375. British Rema Manufacturing Co., Ltd., and Howden, P. June 19, 1929. Fans; casings ; density separators.-In apparatus, such as fuel pulverizing plant, where ground material is conveyed by an air current to one or more cyclone separators, the current is obtained by a fan with a tangential inlet arranged on the pedestal side of its casing. The fan is supported on a pedestal D, Figs. 1, 2, and has an impeller A in a casing B provided with an adjustable tangential inlet C<1> which opens into an annular channel F. The inner edges of the impeller blades are cut away as shown at a<5> and the inner wall of the channel F is extended to the bearing a<6> in the central impeller space. The opening in the casing through which the impeller is passed is closed by a detachable plate E. The fan may be driven through gearing, mounted in the pedestal bracket.
Patent GB-666795-A (GB)
Title: Improvements in or relating to ball point pens
IPC: B43K7/035
Filed: 1949-07-18
Abstract: 666,795. Reservoir pens. AUSTIN, J. J. March 28, 1950 [July 18, 1949], No. 18858/49. Class 146 (iii). In a ball-point reservoir pen the reservoir resides solely in the nosepiece 10 and has a cross-sectional area which is, for the greater part of its length, such that the ink is not retained by capillary forces, this nose-piece carrying at the lower end the usual writing ball housing 12, and provided at the upper end with a tubular portion 19 having a closed end 20 in which is an air inlet 21, a floating cup 22 being located within the tubular portion 19 and following the movement of the ink within the nose-piece 10. The cup 22 prevents ink from escaping through the aperture 21.
Patent GB-405303-A (GB)
Title: Improvements in or relating to waste heat and dual fired steam generators or boilers
IPC: F22B1/18
Filed: 1932-07-04
Abstract: 405,303. Water-tube steam boilers ; water chambers in flues. GILL, H., The Hermitage, Old Fort Road, Shoreham-by-Sea. July 4, 1932, No. 18902. [Class 123 (ii).] Steam boilers or water heaters comprise outer and inner elements the outer element consisting of an annular water chamber surrounding an internal heating flue with curved or bent or thimble tubes mounted in the chamber inner wall and extending into the flue, and the inner element being either independent from the outer and fitted with water or fire-tubes or being connected with it to provide circulation between them in which case the water or fire tubes may be omitted. In the form shown in Fig. 5 in which gilled loop tubes f, p, are employed for the outer and inner elements a, m, a common circulation is maintained by pipes o, n at the lower and upper parts of the water space of the outer element. Modifications of the inner element include vertical water-tubes connecting headers from which the pipes n, o lead to the outer water space, and a vertical water cylinder with vertical fire-tubes. The heating flue may be of reversed type providing a central and annular passage formed by the inner element which comprises an annulus with inwardly and optionally outwardly extending loop tubes. Or the inner element may comprise a chamber with outwardly extending thimbles an annular baffle separating these from the outer element thimbles and providing a reversed flow for the gases. The inner and outer elements of the boiler shown in Fig. 24 are heated by oil burners and waste heat or exhaust gases respectively the gases discharging to atmosphere through conduits j<2>, j<1> passing through the outer element water space. Conduits j<1>, j<2>, may be co-axial. Gills which may be provided on the water-tubes may be arranged longitudinally or in planes normal to the tube or they may comprise a continuous helix. A less number of thicker fins are preferably provided on tubes nearest the gas inlet. The boiler elements may be arranged horizontally.
Patent GB-1101401-A (GB)
Title: Improvements in wrapping machinery
Inventor: JOHNSON REGINALD FRANK
IPC: B65B11/20
Filed: 1964-05-07
Abstract: 1,101,401. Wrapping machine for handling articles of different sizes. ROSE FORGROVE Ltd. 6 May, 1965 [7 May, 1964], No. 19017/64. Headings B8C and B8A. Wrapping articles.-In a machine in which an article 11 (Fig. 2) is pushed into a folding device 14, carrying a wrapper 27 before it, a nipping member 51 (Fig. 3) for holding the wrapper against the advancing face of the article, has a stroke which can be varied to suit articles of different sizes. In the embodiment described the nipping member 51 is carried by an arm 52 guided by a roller 66 engaging a guide 67 and reciprocated from a cam through a push rod 54, The guide 67 is initially moved by a linkage (68), (71), (Fig. 1, not shown) and a cam (70) towards the article (a ball of wool) to position determined by a stop set manually by a knob (99). After the wrapper 27 has been folded about the sides of the ball, the package is held between a fixed abutment 76 (Fig. 2) and a pusher while one side of the wrapper is folded under the ball by a reciprocating folder 73. The opposite side of the wrapper is folded under by a fixed ledge 78 as the pusher 74 pushes the ball between a pair of presser belts 77. During this action the stop 76 first moves with the package, and is then withdrawn laterally. Delivering wrappers.-The wrappers are withdrawn one at a time from a magazine 30 (Fig. 3) by a suction member 31 which delivers each wrapper to a pair of grippers 28 reciprocated by push rods 32 from cams, and opened and closed by rollers 46 engaging fixed cams 44. Applying gum.-A strip of gum is applied to each wrapper by an arm 47 (Fig. 2, not shown) oscillated into and out of a bath 48. Feeding articles. Delivering from conveyers.- The balls are lifted from cradles 12 (Fig. 2) on a conveyer chain 13 by cradles 16 reciprocating vertically on either side of the chain.
Patent GB-1187897-A (GB)
Title: Improvements in or relating to the Recovery of Cycloserine.
IPC: C07D261/04
Filed: 1968-04-23
Abstract: 1,187,897. Cycloserine. COMMERCIAL SOLVENTS CORP. 23 April, 1968 [1 May, 1967], No. 19021/68. Heading C2A. Cycloserine is isolated from an aqueous solution thereof e.g. a clarified fermentation broth by (a) adding to the cycloserine solution at a temperature of 20 to 30 C. a water-insoluble cuprous salt e.g. cuprous chloride, cuprous bromide, cuprous carbonate, cuprous iodide or cuprous thiocyanate in a ratio of from 1 to 2 moles of cuprous copper per mole of cycloserine while maintaining a substantially oxygen-free environment, to effect precipitation of a copper-cycloserine compound (b) maintaining the pH during step (a) above at pH 5 to 8, e.g. pH 6À0 to 6À7 by means of alkali hydroxide solution (c) separating the precipitated copper-cycloserine compound (d) slurrying the copper cycloserine compound in water at 0-5 C. (e) adding hydrogen sulphide to the said slurry to effect the precipitation of the copper as copper sulphide to liberate cycloserine from said copper-cycloserine compound (f) separating the copper sulphide from the cycloserine and (g) recovering the cycloserine from the aqueous filtrate after treatment with 8- hydroxy quinoline and charcoal to remove iron and colour bodies. The oxygen-free liquid of step (a) is produced by sparging with nitrogen and the H 2 S free liquid of step (g) is obtained by sparging with air. Specifications 787,740, and 929,043 are referred to.
Patent GB-121367-A (GB)
Title: Petrol Turbine.
Inventor: SHEEHAN WILLIAM
IPC: F01D5/08
Filed: 1917-12-24
Abstract: 121,367. Sheehan, W. Dec. 24, 1917. Combined-flow type; balancing moving parts; cooling parts; working-fluid supply.-In an internal-combustion turbine working with continuous combustion, a carburettor d supplies gas through the hollow end o of the rotor shaft s to the hollow arms. z<1> - - z<4> of a centrifugal compressor f comprising four concentric chambers a<1> - - a<4>. The chambers are interconnected as shown in Fig. 2, and each has a pair of diametrically opposite outlet orifices 1, 2; 3, 4; 5, 6; 7, 8 discharging on to fixed blades u. The arrangement is such that, with the throttle slightly open, the orifices 1, 2 suffice to deliver the gas, further pairs of orifices coming into operation automatically as the throttle is opened. A sparking-plug p fires the mixture on starting, and the gas flows through specially curved rotor blades t and a series of fixed and moving blades j, i, exhausting through a pipe c. The end thrust on the blades t serves to balance the end thrust on the other moving blades. For cooling, air is drawn through the rotor r by a screw wand discharged through pipes d, g to the exhaust e; the casing is fitted with fins h., and with double walls s, n and a flange k: to catch the air.
Patent GB-456543-A (GB)
Title: Improvements in pressure-responsive indicating instruments
IPC: G01P5/16
Filed: 1935-07-04
Abstract: 456,543. Pressure gauges. BENDIX AVIATION CORPORATION, 105, West Adams Street, Chicago, U.S.A. July 4, 1935, No. 19124. Convention date, July 5, 1934. [Classes 106 (ii) and 106 (iv)] Comprises a casing enclosing a rotatable support on which the pressure responsive device is mounted, means for connecting the casing to a source of fluid pressure, and means forming an air-tight seal between the inside and outside of the casing at the connecting means. The pressure responsive device comprising capsules 9, 10, 11 is mounted on a hollow rod 12 carried by a circular plate 13 which is spaced apart from a circular plate 14 distance rods 16 being provided. The connected plates form a structure which supports the capsules and the indicating movement as a unit. The plate 13 is rotatably mounted on a boss 54 of the casing and the pipe 19 leading to the interior of the capsules is connected to an outlet member 18 centrally located in the rear wall of the casing with which it makes an air-tight joint by means of two plates 61, 62 pinching between them a packing piece 60 the plates being connected to the casing. The movement of the capsules is transmitted by a link 23 to a shaft 25, a cam 27 on which engages a following cam 28 mounted on a stub shaft 29. These cams are designed to give a straight line law and enable the use of an open scale. The shaft 29 transmits movement by means of a link 34 to a shaft 36 a toothed wheel 37 on which gears with a pinion 38 on a shaft 39. Wheels 40, 41 on the latter gear with pinions on a spindle 43 and on a hollow spindle 46 respectively upon which are pointers 44, 47. The gear ratios are such that the long pointer makes ten revolutions while the short pointer makes one. Hair springs 48 keep the follower cam 28 up to the cam 27 and a spring, not shown, may act on the shaft 25 to assist the return movement of the capsules. The plate 14 is provided with gear teeth and may be rotated from outside the casing by the button 76 and gears 74, 75. When it is desired to maintain a cruising speed of say 185 miles per hour and a level flight condition, the knurled knob 76 is rotated until the dial and pointers take up a position with the long pointer at the 185 indication in the horizontal position. If the speed decreases, the pointer will move upwards indicating that the aircraft is inclined upwards ; if speed decreases, the aircraft is inclined downwards.
Patent GB-416371-A (GB)
Title: An improved mould for intimately uniting steel and bronze
IPC: B22D19/08
Filed: 1933-11-13
Abstract: 416,371. Casting composite articles. MONZER, A., 45, Berlinerstrasse, Pankow, and SKRIPT, G., Sch÷lerpark, Wilmersdorf, both in Berlin. Nov. 13, 1933, No. 19148/34. Divided out of and addition to 413,932 under which a Specification was laid open to inspection under Sect. 91 of the Acts, May 14, 1934. [Class 83 (i).] Moulds.-The mould claimed in Specification 413,932 is modified by the provision of a loading member 6, which may be of sand, on the extension 1<c> of the core 1, the member being spaced from the top of the mould chamber by a part 1<b> of the core, and the cross-section of the space 5 increasing in area from the bottom to the top.
Patent GB-1279173-A (GB)
Title: Scaffolding winch with motor
IPC: B66B5/24
Filed: 1970-04-22
Abstract: 1279173 Cable brakes JEAN POMAGALSKI SA 22 April 1970 [23 April 1969] 19177/70 Heading F2X [Also in Division B8] A safety brake on a scaffold platform (see Division B8) comprises a safety cable 40 engageable between a jaw 46 and a jaw 48 movable relative thereto under the control of eccentric cam levers 50, 50<SP>1</SP>. The latter are spring biased into the locking position and are rotatable about pivots 54, 54<SP>1</SP> into the unlocked position through a link 60 rigid with the lever 56 and movable manually or by an electromagnetically controlled plunger 68. The jaw 46 is of U-shaped crosssection and the levers 50, 50<SP>1</SP> are pivotally received at 52, 52<SP>1</SP> between the parallel limbs of the jaw 46.
Patent GB-1306544-A (GB)
Title: Process for the cross-linking of photogrpahic gelatine layers
IPC: C08F28/00
Filed: 1970-04-22
Abstract: 1306544 Hardening photographic gelatine layers AGFA - GEVAERT AG 22 April 1970 [26 April 1969] 19251/70 Heading G2C [Also in Division C3 A process of hardening photographic gelatine layers comprises adding a hardener to the layer and drying the layer, in which the hardener is a polymer which in a side chain contains a triazinyl ring which is substituted with chlorine or bromine atoms in the 2 - position and with chlorine or bromine atoms or alkoxy or phenoxy groups in the 4 - position. The hardener preferably has the formula: wherein R represents a methine group or a-c(CH 3 ) group within a polymer chain, X is a simple'chemical bond or an organic bridge member, X<SP>1</SP> is chlorine or bromine and X<SP>2</SP> is chlorine, bromine, alkoxy or phenoxy. The hardener may be a homo- or copolymer of acryloyloxyethylaminodichlorotriazine, methacryloyloxyethylaminodichlorotriazine, methacryloyloxyethylaminoethoxychlorotriazine, crotonyloxyethylaminodichlorotriazine or fumarryl-bis-oxyethylaminodichlorotriazine which contain at least 5% by weight of the triazinyl component. These hardeners are fast to diffusion and can therefore be used to harden specific layers.
Patent GB-180932-A (GB)
Title: A new or improved safety guard for razors
IPC: B26B21/02
Filed: 1921-07-18
Abstract: 180,932. Nock, J. July 18, 1921. Razors, safety. - In a safety guard for an ordinary razor comprising a clip member 2 embracing the back of the blade 14 and adjustably supporting the guard member 4 by screws 6, lock nuts 9, 10 are provided on the screws to maintain the guard member rigidly in its adjusted position. The screws 6 pass through lugs 7 on the member 2 and screw into lugs 5 on the member 4.
Patent GB-1515381-A (GB)
Title: Femoral prosthesis
IPC: A61F2/38
Filed: 1975-05-08
Abstract: 1515381 Prosthetic knee joints RICHARDS MFG CO 8 May 1975 [8 May 1974] 03512/78 Heading ASR A femoral prosthesis 13 for a patello-femoral joint, comprises an articulating surface 21 in which there is formed an elongate indentation 27, and means for anchoring the prosthesis to the patellar facet of the femur adjacent to the patella so that when the prosthesis is anchored to the femur the articulating surface 21 replaces the natural articulating surface of the femur and the elongate indentation engages with a ridge forming part of the articulating surface of the patella. The anchoring means include pegs 35 upstanding from the prosthesis rearwardly of the articulating surface thereof.
Patent GB-672946-A (GB)
Title: Nuts, bolts and tie bars
Inventor: LEE DONOVAN HENRY
IPC: F16B33/02
Filed: 1949-07-22
Abstract: 672,946. Forms of screw threads. McCALLS MACALLOY, Ltd. July 18, 1950 [July 22, 1949], No. 19352/49. Class 80 (iii). [Also in Groups X and XXV] Nuts and bolts, particularly for long tie bars for pre-stressed concrete work, have supplementary screw thread engagement, in addition to the normal, over progressively shallower terminal threads in which the root diameter increases to the full bar diameter. In one form, the supplementary nut portion B, Fig. 3, has threads of the same pitch and depth as the normal but the crests are on a diverging line 3' that is also the line on which the roots of the corresponding bolt threads diverge; the crests of the threads being thickened as shown. In a modification the nut threads have the form that would be imparted by reamering with a conical reamer at 1e, Fig. 5, the bolt threads being shaped to match. The ends of the nuts may be spigoted at 10, Fig, 8, and washers 8 of greater depth than the length of the spigots are used so. that the stress is first applied to the normal full thread portions. Another nut has the modified thread isolated by an annular slot and by relieving at the end face. Double length nuts with a modified extension at each end may be used to couple screwed rods. The threads are preferably fine threads but may be Whitworth.
Patent GB-387922-A (GB)
Title: Improved process for reserving fibres to azo-dyestuffs developed from their components
IPC: D06P5/12
Filed: 1932-07-08
Abstract: Azo dyes, forming on the material; regenerated celluloses, dyeing; printing.--To obtain reserve effects in the production of azo dyes on the fibre the goods, either before or after impregnation with the coupling component, are printed with a xanthate prior to development with the diazo component.  Coloured reserve effects are obtainable by incorporating with the xanthate a dyestuff as such or in the form of a leuco compound or leuco ester salt from which the dyestuff is developed before or after the development of the azo dyestuff.  The following examples are specified: (1) A cotton fabric is impregnated with an aqueous liquor containing the anilide of 2 : 3-oxynaphthoic acid, caustic soda and turkey red oil, dried, printed with an aqueous solution of potassium xanthate thickened with gum, again dried, and developed with diazotized 4-chloro-2-aminodiphenyl ether to obtain a white pattern on a red ground.  (2) A cotton fabric impregnated as in (1) is printed with an aqueous solution, thickened with gum, containing potassium xanthate and Indigosol 04B, developed with a solution of diazotized 4-nitro-3 : 6-dimethyl-1-aminobenzene, and passed through an aqueous solution containing sodium nitrite and hydrochloric acid to obtain a blue pattern on a red ground.  (3) A cotton fabric is impregnated with an aqueous liquor containing 4-benzoyl-1-naphthol, caustic soda and turkey red oil, printed with an aqueous solution, thickened with gum, containing potassium xanthate, Ciba blue 2BD paste, potash and hydrosulphite, steamed for 3-4 mins., and developed with a solution of diazotized 4-chloro-2-aminodiphenyl ether to obtain a blue pattern in a red ground.  (4) A cotton fabric is impregnated with an aqueous liquor containing the anilide of 2 : 3-oxynaphthoic acid, caustic soda, turkey red oil and Katanol (registered Trade Mark) O, dried, printed with an aqueous solution, thickened with gum, containing potassium xanthate, Methylene blue D and alcohol, developed with a solution of diazotized 4 - chloro - 2 - aminodiphenyl ether, washed and soaped, to obtain a blue pattern on a red ground.  (5) A cotton fabric is impregnated with an aqueous liquor containing the tolidide of acetoacetic acid, caustic soda and turkey red oil, printed as in (1) and developed with diazotized m-nitro-p-toluidine to obtain a white pattern on a yellow ground. (6) A cotton fabric, impregnated as in (1) with the anilide of 2 : 3-oxynaphthoic acid is printed with an aqueous solution, thickened with gum, containing potassium xanthate and stannous chloride, dried, and developed with diazotized 4-amino-4<1>-ethoxydiphenylamine to obtain a white pattern on a blue ground.  (7) A cotton fabric impregnated with Naphthol AS-LB is printed as in (6) and developed with diazotized 5-nitro-2-aminoanisol.  Fabrics of viscose or other regenerated cellulose artificial silk and mixed fabrics, e.g. of cotton and regenerated cellulose, may be similarly treated.
Patent GB-843470-A (GB)
Title: Improvements in or relating to a method of and a shuttering assembly for constructing a concrete wall in successive stages
Inventor: BITTNER FRANZ
IPC: E04G17/02
Filed: 1956-06-22
Abstract: 843,470. Shuttering for concrete walls. BITTNER, G. June 22, 1956, No. 19364/56. Class 20(2) Shuttering for the construction of concrete multistorey walls comprises pairs of outer and inner vertical channels 1 & 2, the inner channels 2 extending substantially the height of one storey and the outer channels 1 into the next storey, each channel having aligned holes in which are mounted removable spacers 5, shuttering panels 11 being removably mounted on and outside the channels 1 by wire loops 27. The loops 27, which embrace horizontal beams 9 and transverse ribs 10, are fastened by a strap 29 and wedge 37. The spacers 5 are of arcuate cross-section, tapering in length and fastened by wedges 38. The lowest panels 11 are secured to the channels 1 by a hook 8, Fig. 6, which bears against a plate 40 welded to the channels 1 and is secured by a wedge 42. After the first storey wall has set the outer channels 1 are removed and re-erected for the next storey, the lowest apertures of the channels being aligned with the highest spacer holes of the cast wall. For this purpose the distance between the uppermost spacer holes is less than that between the others, the former holes being elongated for vertical adjustment. Specification 843,471 is referred to.
Patent GB-150883-A (GB)
Title: Car replacing apparatus
IPC: B61K5/06
Filed: 1919-08-06
Abstract: 150,883. Racine, A. Aug. 6, 1919. Car-replacers.-A pair of exactly similar doubleincline plate members are laid on the track at the side of the rails, each member having an outer inwardly-converging uninterrupted flange 8 and an inner flange 9 which engages with and is parallel to the rail. In operation, the flanges 9 force the wheel flanges inwardly as the wheels rise on the replaced device until the wheels pass on to the rails through the gap 7 in the inner flanges 9. Strengthening-webs 2, 4 and attachment means such as 9a for securing the replacers to the tracks are provided.