baber/WOPTO huggingface dataset:
Patent GB-1104209-A (GB)
Title: Preparation of higher molecular weight diamines
Inventor: HEYDKAMP WOLFGANG
IPC: C08G18/50
Filed: 1966-04-04
Abstract: Amino terminated polyurethanes of formula <FORM:1104209/C3/1> are made by (1) reacting a hydroxyl terminated polyether, polyester or polyacetal (which may contain urethane linkages) of molecular weight 400 to 6000 and having the formula HO-X-OH with an isocyanate of formula R1-N = N-R-N = C = O in which R is a difunctional radical derived from benzene, naphthalene, anthracene, phenanthrene, indene, diphenyl, diphenylmethane or diphenyldimethylmethane and R1 is a phenyl radical or a radical of formula -R-N = C = O and (2) reducing the reaction product with hydrogen in the presence of a hydrogenation catalyst. The radicals R and R1 may be substituted by C1-C4 alkyl or alkoxy groups, carboxylic acid ester groups containing 1-6 carbon atoms or by chlorine or bromine atoms. The polyether is preferably a polymer of one or more of ethylene glycol, propylene glycol or butylene glycol.  The polyester is preferably a condensation product of a saturated aliphatic, unsaturated aliphatic, cycloaliphatic or aromatic dicarboxylic acid and an alkylene glycol, oxyalkylene glycol, cycloaliphatic glycol or a bis(hydroxyethylated) dihydric phenol. The polyacetal is preferably a condensation product of a dihydric alcohol with formaldehyde, acetaldehyde, crotonaldehyde or benzaldehyde.  The polyethers, polyesters and polyacetals containing urethane groups are made by reacting them with a diisocyanate (e.g. an aliphatic-, aromatic- or dimeric-diisocyanate or a carbodiimide having two free terminal isocyanate groups.  The amino-terminated polymers may be used as age-resistors but are preferably reacted with diisocyanates to produce elastomers. Specified diisocyanates for this reaction are hexamethylene diisocyanate, toluylene-2:4-diisocyanate and 4:41-diphenylmethane diisocyanate containing a carbodiimide group.ALSO:p-Isocyanato-azobenzene is amde by adding a suspension of p-amino-azobenzene in chlorobenzene to phosgene dissolved in chlorobenzene, stirring the mixture and then passing phosgene through the mixture whilst heating it to boiling point.  Excess phosgene and dissolved hydrogen chloride is then removed from the mixture in a stream of nitrogen.
Patent GB-709003-A (GB)
Title: Improvements relating to apparatus for mixing discrete particles
IPC: B01F29/62
Filed: 1950-06-16
Abstract: 709,003. Mixing appliances. APEX CONSTRUCTION, Ltd. May 30, 1951 [June 16, 1950], No. 15141/50. Class 86 Apparatus for mixing discrete particles such as powders, granules or crystals, comprises a mixing vessel having two compartments, 1 and 2 which have their axes at an angle to one another and which are in communication at their junction from which opens a common outlet 7. Removable closures 3. 4 and 8 are provided at the outlet and free ends of the compartments, the vessel being rotated about a horizontal or substantially horizontal axis which passes between the junction and the free ends so that the axes of the compartments will subtend different angles with respect to the. vertical. In Fig. 1, the vessel rotates about a horizontal axes passing through trunnions 9 which are secured to the compartments 1 and 2 at different angles. In Fig. 2 (not shown) the vessel is rotated about an axis which is rocked in a vertical plane about one of its ends by a crank mechanism. In Fig. 3 (not shown) the trunnion connected to the compartment 2 is driven with planetary motion and the trunnion connected to the compartment 1 is swivelly mounted upon the machine frame. Specification 668, 589 is referred to.
Patent GB-1437143-A (GB)
Title: Catalysts for treating gases containing sulphur compounds
IPC: B01J23/74
Filed: 1974-04-05
Abstract: 1437143 Treating exhaust gases; alumina RHONE-PROGIL SA 5 April 1974 [9 April 1973] 15152/74 Heading C1A [Also in Division B1] Waste gases containing hydrogen sulphide, sulphur dioxide and carbon derivatives of sulphur as impurities are treated for conversion of the impurities to sulphur, water and carbon dioxide in the presence of a catalyst comprising active alumina and 1 to 60% wt. of a titanium compound. calculated as titania, the catalyst having a specific surface area of at least 80 m.<SP>2</SP>/g. and optionally containing a compound of Mo, Co, Ni, Fe or U. In the examples temperatures of 260-335 C. and contact times of 1 to 8 seconds are used in the treatment of a gas mixture containing H 2 S, SO 2 , CS 2 , H 2 O and N 2 . The catalytic base is made by impregnating Al 2 O 3  pellets with TiCl 4  and calcining or agglomerating Al 2 O 3  with TiO 2  gel or sol.
Patent GB-457332-A (GB)
Title: Improvements in or relating to vacuum cleaners
IPC: A47L5/04
Filed: 1935-05-25
Abstract: 457,332. Vacuum cleaners. PLOTZE, A. C., 6, Stormstrasse, Charlottenburg, Berlin. May 25, 1935, No. 15292. [Class 8 (i)] The suction in a vacuum cleaner is produced by a double - acting piston pump actuated by handles 50 through toggles 56, 60 ; the lower end wall of the pump cylinder contains an inlet valve 16 opening to the filter space below, which communicates also through a pipe 30 outside the cylinder with the upper inlet valve; while the lower outlet valve communicates through a like pipe 33 with the upper outlet valve and with delivery apertures 31b in the casing top. The filter comprises layers 6a .. 6d of porous material held together by a rivet and mounted in a frame 37. The piston comprises dished plates 20 between which lubricant is contained which is forced out between washers at the periphery.
Patent GB-418809-A (GB)
Title: Improvements in or relating to bipartite bearings more particularly for the impression cylinders of rotary printing machines
IPC: F16C25/02
Filed: 1934-05-23
Abstract: 418,809. Jonrnal bearings. MASCHINENFABRIK AUGSBURG - NURNBERG AKT.-GES., 7, Stadtbachstrasse, Augsburg, Germany. May 23, 1934, No. 15446. Convention date, May 23, 1933. [Class 12 (i).] A bearing for the impression rollers of printing machines &c. is made in two parts 1, 2 of which the part 1 has a cylindrical outer surface engaging a corresponding bore x in the machine frame, and the part 2 is pressed against the part 1 by a wedge 6 having a cylindrical outer surface and also engaging the bore x. The wedge 6 is adjusted on the inclined plane surfaces 5 of the part 2 by screws 7 passing through plates 8 at the sides of the machine frame to which they are secured by screws 9. When the wedge has been loosened, the parts 1, 2, 6 may be rotated to adjust the eccentrically-mounted shaft 3 by a worm 13 engaging a segmental gear on a flange of the part 1. The part 1 is subsequently secured to the machine frame by screws 11 passing through slots 10.
Patent GB-857058-A (GB)
Title: A method and means for producing self-locking screw thread forming wire coils
IPC: B21F3/04
Filed: 1959-05-06
Abstract: 857,058. Making helical screw-thread inserts; coiling. HELI-COIL CORPORATION. May 6, 1959 [Dec. 3, 1958], No. 15483/59. Classes 83 (2) and 83 (4). [Also in Group XXV] A helical screw-thread insert is made by coiling a plurality of convolutions of equal pitch and diameter, then forming a chordal portion or portions by stretching the wire against a straight-lined surfaced portion or portions of a support and then continuing coiling convolutions of the first-mentioned kind. The end 42 of diamond-sectioned wire 41 is inserted in an undercut transverse slot 31 at the end of a mandrel 30 which is then rotated so that the wire coils in a helical groove 36 on the mandrel. The groove 36 has a straightline chord forming part 38 of a helix angle slightly greater than that of the rest of the groove, being cot <-1> (#DN) where D is the inside diameter of the coil and N the number of convolutions per inch of coil length. The part 38 forms a straight line chordal portion 12 in the insert during coiling. A second straight line portion separated from the first by a helical portion or a plurality of closely adjacent chordal portions 21 may be formed during coiling.
Patent GB-347506-A (GB)
Title: Improvements in and relating to automatic weighing scales
IPC: G01G23/20
Filed: 1930-05-20
Abstract: 347,506. Weighing-apparatus. MORAN, F. A., 570, Liberty Street, Springfield, Massachusetts, and RUCKES, M., Ortega, Florida, both in U.S.A. May 20, 1930, No. 15521. [Class 143.] Sliding-weight apparatus.-A weighing mechanism comprising a scale beam having a poise movable longitudinally thereof for obtaining balance is provided with a rotatable dial having concentric rows of graduations and a masking shutter in operable connection with the poise so as to be movable over the dial to conceal that row or those rows of graduations not in use. The dial 40 mounted on the steelyard 14 has two concentric sets of graduations the inner set being a continuation of the outer set. Both sets are obscured by a masking shutter until the operator removes the same by turning a locking pointer 52, Fig. 1, into the " locked " position, after the steelyard has assumed equilibrium position. When a load is placed on the machine the steelyard tilts, and its end closes contacts 65, 68 in the circuit of a motor 36. The motor, operating through gearing 34 and a cable drive 33, propels the pose 39 along the steelyard until a position of balance is obtained as indicated to the operator by a trembler finger 104, Fig. 1, connected to the steelyard. To prevent both sets of graduations being visible at the same time, the steelyard poise 39, on reaching an intermediate position raises an horizontal lifter 59 and causes an apertured plate 53, previously masking the inner set of graduations, to be lowered so as to mask the outer set and display the inner set. When the operator turns the finger 52 to the " locked position a quadrant 92 on the finger shaft rocks the steelyard upwardly into a locked position against the upper contacts and a cam on the shaft simultaneously opens the motor circuit. To prevent any tendency of the poise to move beyond either end of the steelyard, the poise on arriving at either extreme limit of its travel pushes back a spring-pressed contact and opens the circuit of the motor. A tare poise 112 actuated by an external knob 113 is provided and its setting is indicated on a dial 115 at an aperture 117. Lamps within the casing illuminate the weight and tare dials.
Patent GB-544286-A (GB)
Title: Improvements in or relating to clock system
IPC: G04C13/02
Filed: 1940-10-23
Abstract: 544,286. Number indicating systems. INTERNATIONAL BUSINESS MACHINES CORPORATION. Oct. 23, 1940, No. 15594. Convention date, Jan. 11. Addition to 544,285. [Class 40 (i)] [Also in Groups XVIII and XL] An electric clock system as described in the parent Specification in which each of the secondary clocks comprise a set of cathode ray tubes for displaying time indications is provided with means whereby a call number may be displayed instead of time indications. In the form shown a common set of leads is employed to transmit the time signals and call number signals. The system as shown in Fig. 1 comprises the master clock 20, pattern component emitter. 21, stepping switches 22, secondary clocks 23 and a set up unit 19 for the desired call number. The pattern component emitter 21, Figs. 9 and 11, includes a driving motor 35 for a shaft 37, with a number of commutators 38 co-operating with pairs of brushes 39. The shaft 37 also carried a disc 40 of transparent material with opaque tracks; 40x, 40y on to which light can be directed by lamps 42, and passed to photo-cells 46x, 46y to vary the output current or potential in accordance with the value of the numbered sectors of the opaque tracks and the " star " sector on the disc. 40. The photo-cells are connected through amplifying circuits to the deflecting plates of the cathode ray tubes, the commutator device 38 serving to effect the display of a single digit or character. The autocall switching device is shown in Figs. 5, 6 and 7 and comprises a shaft 150 on which are mounted three levers 151 each carrying a' contact strip 152 to co-operate with contact segments 153 mounted on insulating strips 156 and with a collector brush 155. Each lever is provided with an index pointer 157 co-operating with numerical scale in the casing. The levers are held in set position by insulating bushes 158, 159 and springs 160. A lever 113 settable in one or other of two positions to adjust contacts 113a to 113e determines whether a call number or time indications will be displayed. The circuit arrangements are shown in Figs. 15a, 15b the common leads being connected to the commutators 38 and to the contacts of the stepping switches 93a . . 93d. The master clock contacts 24, 26 control the switch magnets 10<SP>IM</SP>, 10<SP>IT</SP> and 10<SP>IH</SP> and the contacts 113a to 113e are shown in the position for time indications. The control of the cathode ray tubes TH, UH, TM and M is effected by the amplifying circuits associated with the photocells 46x, 46Y and by the circuits of the grid bias control batteries 77. Specifications 236,199, [Class 139], and 543,977 are referred to.
Patent GB-420819-A (GB)
Title: Improvements in and relating to electric measuring instruments
IPC: G01R19/22
Filed: 1933-05-30
Abstract: 420,819. Current and pressure meters. INTERNATIONAL GENERAL ELECTRIC CO., Inc., 120, Broadway, New York, U.S.A.- (Assignees of Allgemeine Elektricitõts Ges. ; 2, Friedrich Karl-Ufer, Berlin) May 30, 1933, No. 15598. Convention date, May 31, 1932. [Class 37] A direct-current measuring instrument 10 is connected through Graetzconnected rectifiers 11 to the secondary winding of a current transformer 12, the primary winding of which is in series with a resistance 13. The primary winding of the transformer 12 is connected through terminals 14, 15 for low voltage ranges and has additional turns connected through series resistances to terminals 14<1>, 14<11> for use with higher voltage ranges the number of turns and the values of the resistances being so chosen that there is the same number of primary ampere-turns of the current transformer for the various voltage ranges. The Specification as open to inspection under Sect. 91 states also that the instrument may be connected in series with further resistances for increasing the voltage range. This subjectmatter does not appear in the Specification as accepted.
Patent GB-515690-A (GB)
Title: Improvements relating to aeroplanes
IPC: B64C21/08
Filed: 1938-05-25
Abstract: 515,690. Controlling aircraft. WARD, J. C. May 25, 1938, No. 15648. [Class 4] An aeroplane wing of the kind provided with an auxiliary flap which can be moved from a position in which it lies beneath the wing near its trailing edge downwardly and rearwardly into an extended or operative position, has the flap connected to the wing by pairs of links one of which is a radius link pivoted to the flap and the wing and the second of which is movably connected to the wing at one point and fixed to the flap at another so that the angle of incidence of the flap is controlled by the second link during the movement to operative position. In one form a flap 2 normally occupying a position 3- is supported by a radius link 4 and is moved to and from the operative position shown by a link 5 connected to a crosshead 9 moved by a cable 11 along a guide 10. The angle between the link 5 and flap 2 is normally fixed but can be adjusted by worm gear 14, 15 actuated by shafts 16, 18 and a sprocket wheel 20, the shaft 18 being either telescopic or capable of sliding in the sprocket wheel. The link 5 may be permanently fixed to the flap and the guide for its forward end may have a curved extension so that continued movement along the guide effects adjustment of the angle of the flap without further bodily movement thereof. Fig. 6, shows a modification in which the link 5 is formed as a hydraulic ram pivoted to the wing at 21. In another form the link 5 is pivoted to a hydraulic cylinder moving over a tubular guide forming a piston rod, and the flap may be tilted by worm gear similar to that shown in Fig. 5. Alternatively, the guide in this or the other forms in which a guide is used may be tilted to vary the angle of the flap.
Patent GB-733845-A (GB)
Title: Improvements in or relating to optical systems for splitting or combining image-bearing beams
IPC: G02B17/08
Filed: 1951-11-26
Abstract: 733,845. Optical systems. TECHNICOLOR MOTION PICTURE CORPORATION. Nov. 26, 1951 [March 30, 1951], No. 15688/54. Divided out of 733,780. Class 97 (1). A beam-splitting or combining device comprises a meniscus shaped transparent body having on one of its surfaces a coating consisting of optical interference layers adapted to reflect a band within the visible spectrum and to transmit another band within the visible spectrum. The Figure shows the system used in three - colour television projection whereby images of three cathode-ray tubes T2, T42 and T3 are formed on a screen S1 by means of the beam-splitting device LD, a concave spherical mirror R1b and a Schmidt correcting plate C. The device LD is of glass and has an interference coating LR which transmits blue light and reflects red-and green light, -the thickness of the device and the curvation of its surfaces being such that the system has the same focal length for reflected as for transmitted light: Blue light from the tube T3 passes directly through the device LD to the mirror R1b, red light from the tube T2 passes a plane body L41, having an interference coating which transmits red but reflects green light, and is reflected by the coating LR to the mirror R1b. Finally green light from the tube T42 is reflected by the plane reflector L41 and by the coating LR to the mirror R1b. The system may be used in reverse for television transmission.
Patent GB-1471768-A (GB)
Title: Machines for producing dielectric spacers on coaxial cables
IPC: H01B13/20
Filed: 1974-04-09
Abstract: 1471768 Moulding dielectric spacers LIGNES TELEGRAPHIQUES ET TELEPHONIQUES 9 April 1974 [16 April 1973] 15726/74 Heading B5A Dielectric spacer elements are injection moulded on to a moving cable 16 in apparatus comprising endless chains 1, 2 carrying mould halves 9, 10 which close on to and provide a channel for the cable. Each mould includes at least two mould cavities spaced lengthwise to co-operate with one cable or spaced transversely to co-operate with two parallel cables.
Patent GB-272689-A (GB)
Title: Improvements in greasers for colliery tubs
IPC: B61K3/00
Filed: 1926-06-23
Abstract: 272,689. Dodd, W. June, 23, 1926. Lubricant conveyed by mechanical means. - Fixed apparatus for lubricating the axles of colliery tubs comprises a wheel A mounted on an axle B carried on the side of an arm C pivoted on a pin D in a grease box, the arm being pressed upwards by a coiled spring M engaging the end of the arm between the axis of the wheel and the periphery thereof and the wheel being pressed against the side G of the box by a spring F interposed between the wheel and the arm. An annular rib a on the wheel coacts with vertical ribs H on the side G of the box to give a frictional hold. The side of the arm is provided with a fin e which scrapes the side and the prommemces on the periphery of the wheel, while a horizontal rib f on the wall G of the box scrapes the other side of the wheel. The spring M is arranged on a pillar J which is secured to the bottom of the box and extends through a slot K in the arm C.
Patent GB-254320-A (GB)
Title: Improvements in or relating to conveyors
IPC: B66B21/10
Filed: 1926-06-23
Abstract: 254,320. Hencken, J. K.. June 24, 1925, [Convention date]. Moving platforms; driving- gear; guiding. - In a passenger conveyer 5 comprising a number of platforms 7 - - 12 arranged in the same plane, each platform is composed of a number of sections connected together and adapted for relative movement when the conveyer moves in a curved path, and each platform carries a flexible rack which is engaged by a driving gear, the gears being of different sizes in order that the speed of the platforms may increase progressively from one side of the conveyer to the. other. Each section 14 of a platform is formed with corrugations 15 filled with an anti-slip compound 18 and is connected to adjacent sections by pivot pins 16 passed through flattened areas 17 of the overlapping ends. The platforms are supported by ball bearings 21 mounted in races 20 formed in tracks 19 and confined by the depending flange 22 of the platform. A continuous flexible rack 25 secured to the pivots 16 is engaged by a shrouded gear 28 driven by a motor .27, and lies flat against a flanged guide 30 also secured to the pivots 16. Guide bars 32 carried by the transverse supports of the tracks 19 are arranged to engage the guides 30 adjacent to the gears 28. A single moving platform 36, Fig 3, for freight may be arranged below the conveyer 5. This platform is identical with any platform 7 - - 12 and is driven by a single series of shrouded -gears 38.
Patent GB-1446705-A (GB)
Title: Valves
IPC: F16K17/08
Filed: 1972-07-29
Abstract: 1446705 Valves NATIONAL VULCAN ENG INSURANCE GROUP Ltd 12 Oct 1973 [29 July 1972] 15830/74 Divided out of 1446704 Headings F2V and F2B A sealing ring 17 for a valve closure member to ensure sealing between the member and a valve seat is formed of synthetic rubber or plastics material and has an internal flange 24 which also has a projection to form a step-shape. The ring is attached by jamming the flange between the member and a plate screwed thereto. The valve is the same as that described in Specification 1,446,704.
Patent GB-116637-A (GB)
Title: Improvements in or relating to Leather Working Machines.
IPC: C14B1/40
Filed: 1917-10-30
Abstract: 116,637. Clark, Son, & Morland, and Williams, C. A. Oct. 30, 1917. Reciprocating-tool machines.-A leather-staking machine of the Slocombe type has a cutting-tool 1 and a small roll 6 mounted on the upper arm 2 and a felt or rubber roll 10 and a dull blade or small roll 9 on the lower arm 11. This arrangement may be reversed as regards the upper and lower arms. The upper arm 2 is provided with springs 3 at the rear. The tool 1 is inclined so that its cutting edge faces the work at an angle corresponding to that employed in hand practice. All the tools and rolls 1, 6, 9, 10 are mounted in adjustable supports.
Patent GB-1281103-A (GB)
Title: Improvements in or relating to multi-way valves
IPC: F16K11/07
Filed: 1970-04-03
Abstract: 1281103 Valves CHRISTIAN BURKERT BAU ELEKTRISCHER GERATE GmbH 3 April 1970 [5 April 1969] 15840/70 Heading F2V. A multi-way spool valve is adapted for different operations by changing end covers 10 or the sealing elements 12, 14 contained therein. Each cover 10 and plates 13, 11 holding the sealing elements therein are formed with passages and apertures respectively which are selectively connected to four longitudinal bores (not shown) in the valve housing 1 by an arrangement of apertures in the sealing elements. Different sealing elements have different arrangements of apertures to permit different connections. As shown, a smaller spool piston 6 is continuously biased by pressure fluid supplied by a longitudinal housing bore connected by apertures (25), (31) in the sealing element 14 and plate 11 to a passage (21) in the cover 10 which passage communicates with central apertures (32), 9 in the sealing element 14 and plate 11. A larger spool piston 5 is actuated by pressure fluid supplied through cover passage 18 and apertures (36), 35 in the sealing element 12 and plate 13 under the control of pilot or relay valve 17. The longitudinal housing bore supplying pressure fluid connects via apertures (31), (25) in the sealing element 12 and plate 13 with cover passage 21 which in turn communicates with the valve 17. A second longitudinal housing bore communicates with a return line and with a passage (22) in the cover via apertures (37), (26) in the sealing element 12 and plate 13. The valve 17 connects the passage 18 either to the pressure supply passage 21 or the return passage (22) in order to actuate the spool 7. Piston 6 may be spring-biased.