baber/WOPTO huggingface dataset:
Patent GB-913484-A (GB)
Title: Work feeding mechanism for sewing machines
IPC: D05B27/14
Filed: 1961-10-06
Abstract: 913,484. Sewing-machines. SINGER MANUFACTURING CO. Oct. 6, 1961 [Oct. 28, 1960], No. 36062/61. Class 112. An upper work-feeding wheel 87 is rotated by the engagement of its rim with the resilient rim 107 of a driven wheel 70. Wheel 87 co-operates with a lower and positivelydriven wheel 44. Wheel 87 is journalled on a stud 90 carried by a bracket 86 fixed to a sleeve 85 journalled on a presser bar 80. A spring 92 biases sleeve 85 upwardly to engage a notch 91 therein with a lug 84 fast with bar 80 to locate wheel 87. Wheel 70 is driven by an endless belt 66 and is journalled on a stud 105 carried by a plate 100 formed with a tongue 102 slidable in a verticallyelongated aperture 96 in bracket 86. A stud 98, journalled in bracket 86, has an eccentric portion 99 disposed in a horizontally-elongated aperture 101 in plate 100. Rotation of stud 98 thereby serves to move plate 100 vertically for varying the drivng engagement of the resilient rim 107 of wheel 70 with the rim of wheel 87. Belt 66 passes over idler pulleys 67 carried by an arm 68 pivoted on a fixed horizontal pin 69 in the upper part of the machine arm 13, and also passes over a driving pulley 63 at the head of the machine standard 12. A rod 112 passes upwardly from plate 100 and through a lug 113 on plate 68. A compression spring 115 disposed between lug 113 and nuts 114 on rod 112 serves to tension belt 66. Pulley 63 is driven via a variable diameter pulley 64, driven in turn by an endless belt 61 which passes over idler pulleys 62 and over a pulley 60 on a feed-shaft 31 in the machine base 11. Shaft 31 is provided with a unidirectional clutch 32 and a second unidirectional clutch 33 provided with a crank 34 coupled by a connecting rod 35 to a variable eccentric 33 on the main driving shaft 19. An arm 42, journalled on the end of shaft 31, carries the lower feed wheel 44 integral with a belt pulley 45. An arm 56, journalled on the hub of arm 42 coaxial with shaft 31, is fixable in angularlyadjustable position by set-screws 54 and carries an idler pulley 57. Arm 42 may be fixed in adjusted angular position, to raise or lower wheel 44, by the engagement of a stud 46 thereon with the sides of a slot 47 in a bracket 48 adjustably secured by screws 50 to the machine base 11. A driving belt 59 passes over pulleys 45, 57 and over a broad pulley 58 fixed to shaft 31.
Patent GB-176557-A (GB)
Title: Improvements in photographic film cameras
IPC: G03B19/04
Filed: 1920-12-23
Abstract: 176,557. Koehl, K. Dec. 23, 1920. No Patent granted (Sealing fee not paid). Magazine hand cameras for roll films, with connected action between shutter and changing mechanism.-Relates to cameras of the kind in which the film is advanced by wheels 3 each having part of its circumference toothed for direct engagement with the film, as described in Specification 175,834. The invent:on consists in means for automatically operating the shutter and for puncturing the film between the picture fields. In the construction shown, the shaft 2 of the feed wheels is turned by means of a cord 21 pulled from the outside of the camera. The shutter 12 is opened and closed by a lever 8, one end of which engages a cam keyed on the shaft 2. To enable the exposure time to be varied, the cam is composed of a number of segments 4, 5, 6, 7, Fig. 4, of different lengths, and the pivot 9 of the lever 8 is adjustable axially by means of an external thumb-piece, so that the lever can be brought into engagement with one or other of the segments. The device for marking the film between the fields comprises a lever 18, having a needle point 20, operated by a tappet 16 on the shaft 2.
Patent GB-325901-A (GB)
Title: Improvements in or relating to printing machines
IPC: B41F3/44
Filed: 1928-12-07
Abstract: 325,901. Timson, A. R. Dec. 7, 1928, Platen machines. - In webprinting machines comprising a flat type-bed and a movable platen, intermittently actuated web-feeding means, preferably comprising Geneva-mechanism for causing the feed movement to have a slow start and finish, is mounted on the platen, and continuously operated means is provided for drawing the web off the roll. The platen may be actuated by toggle-mechanism. and the type-bed may be hinged to afford access thereto. In the machine shown in Figs. 1 and 4, feed-rollers 29 for the web are mounted in bearings 48 on a reciprocating platen 1 arranged below a type-bed 14. The feed-rollers are geared as described below to Geneva-mechanism mounted on the framework 3 and comprising a slotted member 24, Fig. 4, driven by pins 26 on a member 25 geared to a shaft 9. A driving-shaft 12 provided with a pedal-actuated clutch is geared to the shaft 9. The feed-rollers are geared to a shaft 42 mounted in a bearing 50 on the platen and passing through a bracket 40 on the framework. A bevel-wheel 43 mounted on the bracket and splined to the shaft engages a bevel-wheel 41 which is provided with a pinion 38 engaging a pinion 35 driven by a pinion 34 on the shaft 33 of the member 24. At each actuation of the pedal, the platen is operated by means described below and a length of web is fed, the feed movement having a slow start and finish. The peripheries 28 of the members 24, 25 co-operate to hold the member 24. The pinion 35 is changed to vary the feed movement. A second set of feed-rollers 51, mounted on the platen and driven in the above-described manner, is employed for drawing the web across the platen. The web is continuously drawn off the roll 57 by rollers 55, 56, a weight 59 being placed in the loop 58 formed by the rollers. The web may be re-wound on a roll 54, or may be cut by a knife 52 and delivered to a receptacle 53, the knife being mounted on the platen and being operated on the up-stroke by an abutment. The rolls 57, 54 and rollers 55, 56 may be duplicated to deal with two webs, these .being arranged to overlap, and the lower web being printed on the margin only. The platen reciprocates in guides 2 and is connected to a toggle 5 provided with a roller 7 engaging a cam 8 on the shaft 9. The type-bed is secured to a shaft 15 mounted in brackets 16 on the framework, the arrangement enabling the type-bed to be raised to facilitate access thereto. The type-bed is secured by means of hand-nuts 18 and pivoted bolts 17, and, is connected to a counterweight 21 by a wire 20 passing over a quadrant 19 on the shaft 15.
Patent GB-1175282-A (GB)
Title: Improvements relating to the Manufacture of Multiple-Layer Printed Circuit Boards.
Inventor: BUTTERWORTH ARNOLD WILLIAM
IPC: H05K3/00
Filed: 1967-08-08
Abstract: 1,175,282. Etching. FERRANTI Ltd. 8 July, 1968 [8 Aug., 1967], No. 36259/67. Heading B6J. [Also in Division H1] A multiple-layer printed circuit comprising alternate layers of printed-circuit board and epoxy resin-impregrated glass fibre sheets is etched in a solution of sulphuric acid in water to remove excess epoxy resin from around holes drilled through the circuit, and then immersed in a solution of a cationic surface-active agent in a suitable solvent. The surface active agent may be a quaternary ammonium salt, e.g. cetyl pyridinium bromide, tetradecyl pyredinium bromide or cetyl trimethyl ammonium bromide. The solvent may be water or trichloroethylene.
Patent GB-1519794-A (GB)
Title: Glazing system and method
IPC: E06B3/62
Filed: 1975-09-03
Abstract: 1519794 Glazing SCHLEGEL CORP 3 Sept 1975 [3 Sept 1974] 36277/75 Heading E1R A panel 10 e.g. of glass is held against locating members in a frame by a glazing strip 15 consisting of a spring element 16 covered with elastomeric material 18 anchored in a locating groove 22 in a window frame 12 by means of a wedge-shaped retaining strip 17. As shown the pane 10 is held between the strip 15 and either a seal 13 abutting frame portion 14 or a second glazing strip 30 anchored in a groove by detent means 35. The retaining strip 17 is held by detent means 25, 26, 27, 28.
Patent GB-769468-A (GB)
Title: Improvements in or relating to sliders for sliding clasp fasteners
Inventor: EVANS HERBERT
IPC: A44B19/30
Filed: 1954-12-15
Abstract: 769,468. Sliding clasp fasteners. FLEX FASTENERS, Ltd. Nov. 25, 1955 [Dec. 15, 1954], No. 36323/54. Class 44. In a slider for a sliding clasp fastener comprising a slider body 21 having two slider shields 22, 23 interconnected by a neck portion 32 for guiding interlocking members of the fastener through the slider and a pull tab 24 for operating the slider, the pull tab having a locking finger 26 arranged for entering a space between adjacent interlocking members and thereby locking the slider in position on the fastener when the pull tab is in a locking position, the pull tab is pivoted to the slider body with a substantial play in the longitudinal direction of the slider body whereby to facilitate locking of the slider in position on the fastener. As shown, the pull tab 24 is hollow at one end, the cavity thus formed being closed at one side by a wall 39 provided with a slot 27 and housing a pivot pin 25 and a spring 41. The ends of the pivot pin protrude from the cavity at one side of the pull tab 24 and at the other side through the slot 27 and are engaged in holes 36. One end of the spring 41 lies within the cavity and the other end engages a recess 43 in the slider body, thus to bias the pull tab to the locking position. In modifications, the pull tab may be provided with a second finger adjacent a wall 34 of the shield 23 to project through a corresponding window 38. Alternatively, a single window may be provided for both fingers of the pull tab. The window or windows may be replaced by an open-ended slot. The cavity in the pull tab may extend through the entire width thereof, the cavity itself functioning as the slot 27. The cavity may be omitted from the pull tab, a cavity being provided instead in the side walls 34, 35 of the slider shields to engage the ends of the pivot pin. A recess 33 for the pull tab may be omitted, the pivot pin being engaged in a lug or pugs projecting from the slider shield. The spring 41 may be a rubber sleeve or may be entirely omitted.
Patent GB-360704-A (GB)
Title: Improvements in water tube boilers
IPC: F22B21/18
Filed: 1930-12-02
Abstract: 360,704. Water-tube steam boilers. STIRLING BOILER CO., Ltd., 32, Farringdon Street, London.-(Babcock & Wilcox Co. ; 85, Liberty Street, New York, U.S.A.) Dec. 2, 1930, No. 36338. [Class 123 (ii).] The steam and water drums of boilers having front middle and rear drums 8, 9, 10, each connected by a tube bank to a mud drum 6 have steam and water connectors 15, 16 between the front and middle drums and steam connectors 17 only between the middle and rear drums, the crosssectional area of these steam connectors being at least as great as the combined area of the connectors between the front and middle drums. In the form shown there are twice as many steam connectors 15 as water connectors 16 between the front and middle drums. The cross-sectional area of the connectors should be small compared with the volume of a drum, the total area of the connectors 15, 16 preferably amounting to not more than 1/140 of the volume in corresponding units of one of the drums.
Patent GB-789814-A (GB)
Title: Improvements connected with taring devices for weighing scales
Inventor: ROUND DAVID STANLEY
IPC: G01G23/14
Filed: 1954-12-15
Abstract: 789,814. Weighing apparatus. AVERY, Ltd., W. & T. Dec. 15, 1955 [Dec. 15, 1954], No. 36393/54. Class 143 A tension spring 2 which either forms, or acts on, the load resistant of a weighing scale, is tensioned to tare the scale, by a bell crank 3a, 3b pivoted at 3c and acted upon by a screw 5, the slotted head 5a of which is engageable by a projection 6a on an axially slidable and rotatable spindle 6 which is urged away from head 5a by a spring 8. An operating knob 6b is inscribed with weight indicia:.
Patent GB-1001354-A (GB)
Title: Substituted anthranilic acid esters
IPC: C08B30/10
Filed: 1963-09-17
Abstract: The invention comprises compounds of general formula <FORM:1001354/C2/1> where lower alkyl radicals have 1-7 carbon atoms; and their preparation, as exemplified, comprising (1) esterification of corresponding acids or their reactive derivatives, (2) dehydrogenation of a corresponding dimethylcylohexanimine, (3) reaction of 2-halo-or 2-amino-benzoic esters with, respectively, amino- or halo-dimethylbenzenes, or (4) reaction of N-(2,3-dimethylphenyl)isatoic anhydride with a lower alkanol and an alkali metal alkoxide.  N - (2,3 - Dimethylphenyl)anthranilic acid chloride is prepared from the acid with thionyl chloride; on reaction with the sodium salt of the acid it yields the acid anhydride.  N - (o - lower-alkoxycarbonylphenyl) - 2,3-dimethylcyclohexanimine can be prepared from the anthranilic acid esters with dimethylcyclohexanone and an acidic catalyst.  N - (2,3 - dimethylphenyl)anthranilic acid and its salts are obtainable by hydrolysis of the lower alkyl esters. Pharmaceutical compositions comprise compounds I with diluents and excipients.  Forms for oral (tablets, pills, sachets, powders, capsules) and parenteral (solutions, suspensions) administrations are mentioned.  The compounds are analgesic and anti-inflammatory. Specification 997,653 is referred to.
Patent GB-763164-A (GB)
Title: Improvements in or relating to methods of making laminations for use in ferromagnetic cores
IPC: H01F30/10
Filed: 1954-12-20
Abstract: 763,164. Powder metallurgy. PHILIPS ELECTRICAL INDUSTRIES, Ltd. Dec. 20, 1954 [Dec. 21, 1953], No. 36754/54. Drawings to Specification. Class 83 (4). [Also in Group XXXV] Laminations for the magnetic core of a transformer having the shape described in Specification 753,651 are made by moulding iron powder at high pressure (e.g. 5-10 tons/sq. cm.) and sintering until the maximum permeability is at least 500 (e.g. at 1150‹ C. for ¢ hour). The density of the material may be raised by repeating the moulding and sintering. Zinc stearate may be added as a lubricant during moulding.
Patent GB-366646-A (GB)
Title: Improvements in and relating to the drying and purification of fuel gases
IPC: C10K1/10
Filed: 1930-12-05
Abstract: 366,646. Drying fuel gas. WATSON, S. G., 19, Surbiton Hill Park, Surbiton, Surrey, HENSHAW, D. M. and HOLMES & CO., Ltd., W. C., Whitestone Iron Works, Huddersfield. Dec. 5, 1930, No. 36774. [Class 34 (i).] In drying fuel gas by contact with a hygroscopic liquid as described in Specifications 248,841, 266,825, 268,429, 285,936, 287,678, 295,411, and 298,097, [all in Class 34 (i), Drying gases &c.], the apparatus used comprises brush elements packed within a chamber and independent means for distributing the liquid. Washers containing brushes in which the fibres are vertical, as described in Specification 357,712, [Group XII], may be employed. If the drying be combined with the removal of naphthalene from the gas by washing with a solvent, apparatus as described in Specifications 331,592 and 331,818, [both in Class 55 (ii), Gas manufacture &c.], may be used for this purpose. The brush washer 1 is divided into compartments 3 .. 6 fitted with liquid distributers 9 .. 12 ; and valves 17 .. 20 are so adjusted that more liquid is supplied to compartment 3 than to the other compartments. Liquid is withdrawn from the base of the washer through a pipe 29 to a cooling coil 33, and re-circulated through pipe 21 ; a valve 22 enables spent liquid to be delivered to a concentrator 25.
Patent GB-1014027-A (GB)
Title: Apparatus and method for measuring the composition of a liquid
Inventor: BOYD DAVID MILTON
IPC: G01N25/14
Filed: 1962-09-28
Abstract: 1,014,027. Analysis of liquids for control. UNIVERSAL OIL PRODUCTS CO. Sept. 28, 1962, No. 36834/62. Heading B1X. [Also in Division G1] The composition of liquid mixtures is measured by passing a jet of said mixture into and through a chamber to reduce the pressure therein, obtaining signals corresponding to the absolute pressure in said chamber and to the temperature of the liquid and combining the signals to give a composite signal indicative of the composition. A preferred apparatus is shown in Fig. 1 in which liquid enters through conduit 4 and passes into orifice 3. The velocity of the jet is sufficient to produce the equilibrium vapour pressure of the liquid at its entering temperature in chamber 1 and the mixed phase leaves via the outlet conduit 7 to a sewer or for recycling. An absolute pressure transducer 9 is connected to chamber 1 via pressure tap 8, and a temperature transducer 13 is connected through switch 12 alternatively to either of two temperature sensing elements 10 and 10<SP>1</SP>. The signals from these transducers pass to compositing means 16, thus giving a signal corresponding to the composition of the liquid stream and a controlling signal can be fed down line 17 to a conventional flow controller. The types of signal envisager are A.C. and D.C. voltage and current signals, pneumatic and hydraulic analog signals, digital signals such as pulse and pulse rate. These signals may be combined additively or subtractively, or may be ratioed. An analog signal may be converted to a digital signal and one or two analog-to-digital converters can be time-shared as among the many analog and temperature signals produced by a plurality of composition-measuring means. Temperature sensing means may be thermocouples, bi-metallic strips, resistance thermometers; or gas, or liquid or vapour filled bulbs. Two examples of control are given: (a) in the separation of butane and iso-butane by distillation the percentage of butane in the overheads is controlled by varying the external reflux rate in dependence upon the liquid composition at an intermediate point in the column and (b) in the glycol extraction of aromatics from paraffins, the addition of a light paraffin reflux stream introduced to the extraction column to prevent carry-over of heavy paraffins into the bottoms is controlled in dependence on the liquid composition at an intermediate point of the column.
Patent GB-816795-A (GB)
Title: Apparatus for magnetically storing binary data
IPC: G11B20/16
Filed: 1955-12-23
Abstract: 816,795. Electric digital-data-storage apparatus. INTERNATIONAL BUSINESS MACHINES CORPORATION. Dec. 23, 1955 [Dec. 30, 1954], No. 36933/55. Class 106 (1). A digital-data-storage device for storing binary data on a magnetizable storage medium in which binary ones are registered by saturating the magnetic medium in one direction of magnetization and binary zeros by saturating the medium in the other direction is characterized by the fact that the medium is always saturated in one direction or the other (except momentarily when there is a change). The data shown at line A, Fig. 1, for example is registered on the magnetic medium by the flux pattern at line C. Line B shows another known method of registering the same data. A detailed description, including component values, of a reading (Fig. 4, not shown) and a writing (Fig. 3, not shown) head amplifier using conventional thermionic tube technique is given. An arrangement is also outlined (Fig. 9, not shown) for track selection in which groups of heads are coupled, each via its own preamplifier, to a main amplifier, so that while a head of one group is being used a head of another group can be selected (by relay contacts) for subsequent use. Specifications 685,109, 770,952 and 806,457 are referred to.
Patent GB-960471-A (GB)
Title: A quick acting tension joint
IPC: B25B5/10
Filed: 1961-10-16
Abstract: 960,471. Machine tool details. E. GASSNER. Oct. 16, 1961 [Oct. 15, 1960], No. 36972/61. Heading B3B. A quick acting tension joint for a vice, clamp &c. has interengageable bore and shaft parts adapted to be locked one within the other by co-operating projections and grooves which in one relative angular disposition of the parts serve to allow relative axial movement therebetween and in another relative angular disposition prevent such relative movement. As shown, a clamp 5 is provided with a support bolt 20 passing through a bore 15 of square cross-section in the support piece 11. The shaft has a circular core provided with spaced projections 22 and grooves 21, the cross-section of the shaft at such projections being square, the bore 15 having channels therein to receive the projections 22, the cross-section of the bore at the base of the channels being circular. In a modification the shaft and bore are rectangular in cross-section. The invention is applicable to a vice spindle and nut.
Patent GB-1036479-A (GB)
Title: Improvements in or relating to sizing machines
Inventor: NORTON JOHN
IPC: D06B3/34
Filed: 1963-09-20
Abstract: A roller 11 on a sizing machine is suspended by one or more strain gauges 12, the amplified output of which controls a reversible motor to drive the take-up beam in either direction, by way of a infinitely variable gear box, to maintain constant tension.
Patent GB-738640-A (GB)
Title: Light-sensitive photographic elements and emulsions suitable for x-ray exposure
IPC: G03C1/09
Filed: 1953-06-03
Abstract: 738,640. Photographic films. KODAK, Ltd. June 3, 1953 [June 4, 1952], No. 37158/54. Divided out of 738,618. Class 98 (2). The amount of desensitization on kinking of a photographic film (particularly an X-ray film) comprising a support having a gelatino-silver halide emulsion layer of thickness greater than 0.4 mils. on each side, is reduced by incorporating in each emulsion a polymerized ethylenically unsaturated compound. Polymers specified are copolymers of acrylonitrile with acrylic esters (e.g. with ethyl acrylate), copolymers of butadiene with styrene or acrylonitrils, copolymers of styrene with acrylic esters (e.g. with ethyl or butyl acrylates), polyvinyl acetate, polyacrylamides and polyvinyl alcohols. There may be a gelatine layer (which may also contain other colloids) containing a non-diffusing, lightabsorbing material coated over each emulsion layer, for example as described in Specification 583,508. Subbing layers such as antihalation layers may be provided between the support and the emulsion layers. A triangle test and a sensitometric bend test by means of which the amount of desensitization on kinking may be estimated are described.
Patent GB-1405588-A (GB)
Title: Instruments for monitoring fatigue loads
IPC: G01D1/14
Filed: 1971-08-06
Abstract: 1405588 Counting apparatus HAWKER SIDDELEY AVIATION Ltd 28 Sept 1972 [6 Aug 1971] 37159/71 Heading G4D In an arrangement for monitoring fatigue loads, for instance in aircraft components during flight, a strain gauge applies its output in parallel to a plurality of counters by way of trigger circuits set at different values whereby different counters record strain cycles of different magnitudes, means being provided to separate from the strain gauge output a slowly drifting component due for instance to continuing fatigue so as to apply only the continuously alternating component to the trigger circuits.