baber/WOPTO huggingface dataset:
Patent GB-154663-A (GB)
Title: Improvements relating to retaining and releasing devices for ropes, cordage and the like
IPC: B64D17/38
Filed: 1919-08-01
Abstract: 154,663. Schollar, P. W., and Calthrop's Aerial Patents, Ltd., E. R. Aug. 1, 1919. Coupling.-A device for securely connecting and rapidly disconnecting the ends of two or more ropes, particularly for use by aviators to enable them to detach themselves quickly from parachutes after landing, consists of a block 1 with an eye 2, to which one rope is attached, and a circular aperture 9 fitted with a rotatable crescent-shaped block 6. This is normally prevented from rotating by the outer ends of two hollow studs or buttons 10, which engage with recessed parts 16 of the flanges 7 of the part 6. The buttons 10 are retained in the block by the end 15, Fig. 3, of a screw 13 entering slots 14 in the sides of the stud, and are separated by a spring 12. When they are pressed together, the part 6 may be rotated, for example by the tension of the rope, its flanges passing the edges of the buttons 10, so that the rope in the aperture 9 may be removed. The movements of the part 6 may be limited by a stop 18 and a groove 17, shown by dotted lines.
Patent GB-464119-A (GB)
Title: Improvements in devices for cooling quick firing guns
IPC: F41A13/12
Filed: 1935-07-04
Abstract: 464,119. Machine guns. BAUMANN, W. July 4, 1935, No. 19162. Void. Convention date, July 4, 1934. Addition to 441,687. [Class 92 (ii)] Relates to the cooling device for machine gun barrels described in Specification 441,687 in which the muzzle gases expand into a partitioned chamber 2 furnished with an ejector outlet 3 and a number of ejector nozzles 10 which promote the flow of cooling air over passages 5 round the gun barrel 1. According to the invention, the first chamber 6 is of large volume and is succeeded by a plurality of chambers 7, 7<a>, 7b, &c., of smallervolume separated by apertured diaphragms 8, 8<a>, 8b, &c., and each provided with ejector nozzles 10. The outer casing 4<a> is of corrugated form to receive radial vanes 2<a> on the outside of the chamber 2, the corrugations following the conicity of the front portion of the chamber. The partitions 8 &c. are shaped to prevent return of the gases, which return may also be prevented by a further partition 9. When the invention is-applied to a recoiling barrel gun, Fig. 3, the radial cooling vanes 36<a> round the barrel are assembled in longitudinal sections connected by rings 39 with radial grooves, the parts being connected together and to the enclosing sleeve 37 by circumferential springs 40 passing round the vanes and fixed to the sleeve.
Patent GB-1502999-A (GB)
Title: Delta modulators and delta demodulators
IPC: H03M3/02
Filed: 1975-05-07
Abstract: 1502999 Delta modulation WESTERN ELECTRIC CO Inc 7 May 1975 [9 May 1974] 19277/75 Heading H3H In a companded delta modulator or demodulator, the reconstruction analogue signal is produced by means including a syllabic rate integrator whose attack rate is greater than its decay rate, corresponding to syllable attack and decay rates in normal speech. In the modulator of Fig. 4, the input analogue signal 11, feedback reconstruction signal 13 and a D.C. offset integration signal 12 are algebraically summed to derive the delta modulation bits, output at 16. NAND logic 125, 126, 128 responds to 1111 or 0000 in shift register X 1  to X 4  to turn on transistor 131 to charge capacitor 135 at a rate commensurate with the attack rate of uttered speech (3 milliseconds). The capacitor 135 discharges through resistors 139, 140 at a rate commensurate with the decay time of uttered syllables (9 milliseconds). Thus encoding errors are forgotten at syllabic decay rates and do not accumulate. When transistor 131 is off, slow charging of capacitor 135 through resistor 136 determines the minimum stepsize. Transistors 141, 142, 150, 151 and their associated bias resistors provide a segmented approximation to a logarithmic companding characteristic (Fig. 2, not shown) and the polarity of the final reconstruction signal is controlled by circuit 17 according to the delta bit in the first stage X, of the shift register. Compensation for temperature and ageing of transistors 141. 142, 150, 151 is provided by transistors 147 and 157, all being fabricated as a single integrated circuit. A corresponding demodulator (Fig. 5, not shown) is the same as the feedback loop of Fig. 4, followed by a low pass filter (60).
Patent GB-144913-A (GB)
Title: Improvements in and relating to concrete buildings
IPC: E04B1/348
Filed: 1919-08-05
Abstract: 144,913. Wisner, C. N. Aug. 5, 1919. Dwellings and rooms, arrangement and design of.-Concrete buildings are constructed of preformed units adapted to be readily assembled and, according to one arrangement shown in Figs. 1, 2 and 3, comprise circular units 1, consisting of a base member 3, body member 4 and roof member 5, and rectangular hall units 2. The base member 3 is provided with a recess 8 to receive the lower edge of the body member 4 and is strengthened by ribs 7. The body member is provided with window openings 18, door-openings 19 and ventilation holes 14 in the ceiling 9 cast integral therewith. The ceiling 9 is provided with a rib 10 having its apex coincident with a central opening 11 in the roof member 5, which rests upon the body member and is provided with a peripheral flange 13 having a gutter 12 with discharge outlets 17 therein. The roof member is provided with a ventilator 15 having exit openings 16. When a two-story structure is desired, this may be formed by interposing between the base member and the body member 4, a member of similar construction to the base member 3, and of sufficient height to form a room. In the construction of a building comprising a number of circular units 1, rectangular units 2 constituting hall-ways are interposed between the circular units. The units 2 are provided with windowopenings 21 in the sides, roofs 24 having gutters 25, which may receive the discharge from the gutters on the circular units, and depending flanges 22 on the base. As shown in Fig. 1, a covered porch 27 and open porch 28 may be provided in the angle formed bv the circular units. A porch 29 may be provided between two circular units and communicate therewith through a doorway 30. Figs. 8, 9 and 10 show a circular building built up of preformed units 40 in two concentric series 31, 32 with annular halls 33 between, the floors and roofs of the halls being formed of concrete which, when being laid, may be reinforced by metal rods embedded in and projecting from the room units and by rods 36. The building may comprise any desired number of tiers of units and is surmounted by a circular roof 37. Each room unit 40 may consist of one side member 41, two end members 42, 43 and a ceiling member 44. The space within the inner series of rooms is provided with a glass roof 38 on a level with the top of the first storey of the building so as to form a lobby 39.
Patent GB-614015-A (GB)
Title: Improvements in or relating to continuous cloches
IPC: A01G9/24
Filed: 1946-07-28
Abstract: 614,015. Horticultural cloches. RYAN, H. W., and SHARP, W. R. July 28, 1946, No. 19416. [Class 20(i)] The glass panels 12 of continuous cloches are rigidly supported on pairs of shafts 5, 9 and 6, 10 adapted to be rocked in opposite directions so that they may be opened simultaneously to any desired position for watering, &c. purposes. This may be done by means of a link mechanism 18 actuated by a control lever 3. The shafts are supported at their ends by frames comprising transverse members 4 and spiked uprights 1, 2, holes being drilled in the uprights and in bearers 7, 8 to take the ends of the shafts. Intermediate frames having slots instead of holes to receive the shafts may be positioned between the end frames. Clips 11 for the panels are made of a single piece of wire bent into U-shape, the sides of the U being bent twice upon themselves forming open-ended loops for the reception of the panels. The ends of the wires are welded to the shafts. The shafts may be of various lengths up to twenty-four feet and short lengths may be joined end to end by means of split sleeves fitting over adjacent (square-sectioned) ends of the shafts. Connection between adjacent parallel rows may be made by means of short horizontal extensions on the members 4. The opening and closing of the cloches may be controlled thermostatically.
Patent GB-246045-A (GB)
Title: Improvements in a motor driven sugar-cane mowing and harvesting machine
IPC: A01D45/10
Filed: 1925-07-31
Abstract: 246,045. Elias, J. J. M. July 31, 1925. Addition to 209,596. Sugar-cane harvesting machines.- In order that the machine described in the parent Specification may be used for mowing canes when the rootstocks are not to be uprooted, the two toothed uprooting-shafts 2 are 'removably mounted on an adjustable slide 12 provided with means for supporting and driving a disc saw 15.. The shafts 2 are removably coupled to two shafts 4 driven by chain gearing. The slide 12 is adjustable vertically in dovetailed grooves by racks and pinions. The shaft 14 of the disc saw 15 is mounted in the horizontal part 5 of the slide 12 and is driven by spur and bevel gearing from one of the shafts 4. The part 5 is triangular in front and carries a removable double plough-iron 23. The cut canes fall on a conveying-band 39 provided with rows of bent pins. The band 29 passes round a roller 26 resting on the shafts 4 and mounted on a spindle passing through arcshaped guide slots 30 in the side catch plates 32, which are provided with shoes 23 adapted to turn upwardly only. Two side gripper-chains 38 carrying prongs 40 are provided to engage the canes. They pass through slots in the plates 32 and are guided by flanged discs and channel shaoed guides 45 provided with vertical rollers. They are driven by the shafts 47 of disc saws 46 rotating in the horizontal slots of the plates 32. Roller discs may be rotatably mounted on the ends of the prongs 40.
Patent GB-423858-A (GB)
Title: Improvements in dentifrices
IPC: A61Q11/00
Filed: 1933-07-10
Abstract: 423,858. Dentifrices. HADDAN, R., 31, Bedford Street, Strand, London.-(Heath, J. S. R. ; 22, Collins Street, Melbourne, Australia) July 10, 1933, No. 19521. [Class 131] A dentifrice comprises a mixture of Crystal Violet and Brilliant Green together with cleansing agents. The proportion of the dyes in the dentifrice is about one sixteenth per cent, other ingredients being for example calcium carbonate precipitate, glycerine, gum tragacanth, saccharine, alcohol and water. The dyes are added for the purpose of staining and indicating the presence of film on the teeth.
Patent GB-499202-A (GB)
Title: Method and apparatus for recording and reproducing sound
IPC: G11B7/00
Filed: 1937-07-14
Abstract: 499,202. Optically recording and reproducing sound; automatic volume control. RICCHIARDI, P. C. July 14, 1937, No. 19525. [A Specification was laid open to inspection under Sect. 91 of the Acts, Jan. 17, 1938.] [Class 40 (ii)] [Also in Group XXXIX] In. recording sound, the recorded sound volume is compressed so that the recorded amplitudes do not exceed a given maximum and the amount of compression is simultaneously recorded by a direct current independent of the sound-modulated current, the two recordings being effected on one, two or more tracks, the total width of which is equal to that of a normal track, whereby the sound records may be reproduced by a single normal reproducer without modification thereof. The records may be one of the variable width and the other of the variable density type either combined in a single track or made on adjacent tracks, or may both be of the same type on adjacent tracks. A recording apparatus for use when the records, of variable width and variable density, are to be combined in a single track, comprises a microphone E, Fig. 3, the modulated electrical currents from which are amplified at F, the output from which is taken through a potentiometer A, B to a further amplifier G, so that the 'modulations may be impressed, through a transformer L, on the recording oscillograph M. The recording light is derived from a source N which is in a direct-current circuit including a battery W and variable resistance D, the effective resistance in the circuit being governed by a contact arm C linked at K to the contact arm B of the potentiometer A, B. The light emitted by the lamp N accordingly varies according to the compression of amplitude applied to the sound currents, in order to vary the density of the record. The records may be reproduced by apparatus comprising a photo-electric cell D<2>, Fig. 8, whose output is connected to the main grid G of an amplifier valve D<3>, a filter L<1>, C<2> being provided so that only modulations of audio frequency reach the grid G. The slow variations corresponding to the compression of the amplitude control the voltage drop across the resistance RP which is the biassing resistance of a cathode grid g controlling the amplification factor of the valve D<3>. The compression of amplitude effected during recording is thus compensated for during reproduction.
Patent GB-741652-A (GB)
Title: Method and apparatus for the treatment of gases with liquids
IPC: B01F13/10
Filed: 1951-08-20
Abstract: 741,652. Treating gases with liquids. RUHRCHEMIE AKT.-GES. Aug. 20, 1951 [Aug. 23, 1950], No. 19573/51. Class 55 (2). In a process for washing impurities such as CO 2 , H 2 S or SO 2  from gas or for reacting a constituent of a gas with a liquid, the gas is injected downwardly into the upper layers of the liquid in a series of zones through which the gas and liquid flow in countercurrent, the flow rates of the gas and of the liquid being respectively controlled in accordance with the solubility of the constituent and its rate of absorption into the liquid. In one form, Figs. 1 and 2, each zone of the apparatus consists of a container 1 having a liquid inlet 2 from a similar container at a higher level and an overflow 3 to a container at a lower level. A number of partitions 4 are located in the container with their top edges below the liquid level as determined by the overflow and their bottom edges spaced from the container base. Gas from the previous zone enters through a pipe 5 and is injected downwardly through pipes 6 into the liquid in alternate spaces between the partitions. The gas rising in the spaces causes a circulatory flow of liquid around the partitions, the gas discharging to the next zone through a pipe 8. To improve the liquid flow an impeller 10, Fig. 3, may be provided. In another form, Fig. 4, the contact zones are located between partitions 26 in a single vessel 24. Gas is injected downwardly through nozzles 33 disposed in narrow compartments 28a ... c between the partitions 26 and adjacent partitions 25. Liquid flows downwardly in the compartments 28a ... c, and through larger compartments 29a ... c and 30a ... c in which unabsorbed gas separates to pass to the next washing stage through the respective partition 26. The gas flows from zone to zone through pipes 35a ... d.
Patent GB-729986-A (GB)
Title: Improvements in and relating to fastening devices
IPC: F16B5/10
Filed: 1953-07-14
Abstract: 729,986. Stud fastenings. UNITED-CARR FASTENER CORPORATION. July 14, 1953, [Aug. 30, 1952], No. 19581/53. Class 44. In a fastener device comprising a stud 22 adapted to be secured in an aperture 16 in a panel 18 or like support by means of a locking member 14, this member 14 comprises a base 44 engageable with one face of the panel and having a stud-receiving opening 46 and resilient arms 48 integral with the base 44, the free ends of the arms 48 extend towards one another to grip the stud when inserted through the opening 46, the stud 22 has cam-like enlarged portions providing shoulders 38 intermediate the ends of the stud, and the arrangement is such that when the locking member 14 and stud 22 are inserted into the aperture 16 until the base 44 engages the panel 18, further axial movement of the stud into the aperture 16 will cause the arms 48 to be expanded by the cam-like enlarged portions of the stud so as to engage behind the shoulders 38 to lock the parts in assembly with the panel. To assemble the device, the stud 22 is first inserted into the opening 46 so that the arms 48 engage in recesses 32 in the stud 22 (Fig. 2, not shown). Tongues 58 on the arms 48 assist in aligning the stud during the insertion thereof. The fastener may be readily withdrawn by first rotating the stud portion through 90 degrees relative to the locking member 14, so that its flat sides 30 are gripped between the arms 48. The stud portion 22 may be of moulded plastic or sheet metal.
Patent GB-609017-A (GB)
Title: Improvements in picture rails and similar articles produced strips and in the method of producing same
IPC: E04B1/41
Filed: 1946-07-01
Abstract: 609,017. Mouldings; picture rails. GROBLER, P. L. July 1, 1946, No. 19584. Addition to 607,632. [Class 20(iv)] [Also in Group V] A picture rail or similar article, e.g., part of ar architrave, comprises a core of plaster composi. tion wrapped in a single strip 2 of reinforcing board, paper or the like In the picture rail as shown the edges of the paper 2 overlap and are stuck together at 4 and the plaster is additionally reinforced by fibre or paper strips 8 embedded therein. A method of moulding is described (see Group V).
Patent GB-1039831-A (GB)
Title: Ink agitator device for the ink fountain of a printing press
IPC: B41F31/03
Filed: 1963-05-16
Abstract: 1,039,831. Inking-apparatus. BALDWINGEGENHEIMER CORPORATION. May 16, 1963 [Oct. 11, 1962], No. 19589/63. Heading B6C. An agitator device for the ink fountain 12 of a printing press comprises an elongated housing 14 supported at each end by a bracket 16, an endless conveyer chain 30 mounted in the housing and adapted to cause a mixer unit 10 supporting a conical mixer 20 on rotatable axially aligned and connected shafts 22 and 26 to slide longitudinally in said housing, means for reversing the direction of movement of said unit in the housing, and means for rotating the connected shafts 22 and 26 simultaneously with the movement of the unit 10 by the conveyer. The latter is driven by a motor 32 and is connected to the head by a pin 38 fixed to the conveyer and accommodated in a block 40 slidably mounted in a transverse slot 42 in the head 28 of the unit 10. As the conveyer chain 30 is driven around sprockets 34 and 36 the pin urges the block 40 and thus the unit 10 in a direction parallel to the longitudinal axis of the housing 14, causing the unit to travel back and forth. Rotation of the mixer 20 is effected through the engagement of a pinion 44 on the shaft 26 and a rack 46 in the housing. The mixer 20 is vertically disposed, the tip 48 being positioned adjacent the intersection of the inking roller 18 and the forward edge 49 of the fountain bed 13. In this location the mixer side 21 is spaced from the circumference of the ink roller 18 a distance " d " whilst being co-extensive with a segment "s" of the roller circumference. Thus the ink is urged against the roller by the tip 48 and the side 21. A plough 50 is provided to coact with the unit 10 and comprises spaced extension 52 and 54 aligned with the shafts 22 and 26, an inclined section 56 and a tapered end portion 58. The plough is secured to the unit head 28 and travelling therewith takes the ink adjacent the bed 13 and at the back section of fountain 12 remote from roller 18, and directs it towards mixer 20. Section 56 urges the back section ink towards mixer 20 whilst portion 58 directs the ink adjacent bed 13 towards mixer 20.
Patent GB-243058-A (GB)
Title: Sealing device for the lids of paper and other containers
IPC: B65D55/06
Filed: 1924-08-19
Abstract: 243,058. Usborne, H. L. Aug. 19, 1924. Seals.-Relates to means for sealing the lids of paper or other containers of conical form. A paper ring or band A, Fig. 3, having attached to it one or more strap portions B, B<1>, is passed upwardly over the vessel, the strap portions being laid across the lid D and secured to the opposite sides of the band. The strap portions may each comprise two overlapping elements b, b<1>, Fig. 5, and such elements may be secured by a gummed or other paper or like seal E.
Patent GB-1517920-A (GB)
Title: Photosensitive resin compositions
IPC: C08F2/50
Filed: 1975-05-09
Abstract: 1517920 Photopolymerizable materials HITACHI CHEMICAL CO Ltd 9 May 1975 [10 May 1974 (3)] 19669/75 Heading G2C [Also in Division C3]  Photopolymerizable compositions useful for providing a protective imaged film on a substrate to be etched, metal-plated &c. for the production of printed circuit boards or for metal precisionprocessing comprise (A) 15-60 wt. per cent of a photopolymerizable compound having at least two terminal ethylenic groups, (B) 10-79À8% of a reactive high molecular compound containing tetrahydrofurfuryl groups or N-alkoxymethylcarbamoyl groups in side-chains, (C) 0À1-15% of a photopolymerization initiator, (D) 5-50% of a compound having at least 2 epoxy groups and (E) 0À1-20% of a potential curing agent for epoxy resins, the percentages being based on solvent-free composition. The composition is heated after exposure but before development and also after development, (80-300‹C) to strengthen the film image. Other uses include photo-sensitive adhesives, production of reliefs and printing plates.
Patent GB-1416746-A (GB)
Title: Tube and tube plate assemblies for heat exchangers
IPC: F28F9/16
Filed: 1973-04-25
Abstract: 1416746 Tube joints SOC ANON DES USINES CHAUSSON 25 April 1973 [26 April 1972] 19746/73 Heading F2G [Also in Division B3] In securing rectangular oblong section tubes to flanged passageways in a heat exchanger tube plate 1 the ends of the tubes are caused to protrude from tube plate flanges 2 and the two longer sides of each tube are folded down around the associated flange to form curved ears 3b. In an embodiment the tubes of a cooling radiator are passed through the flanges 2 and a tool 4 is pressed against the end of each tube end to fold the two long sides back around the collar 2 with consequent bulging of the tube at 3c. The edge of each of the long sides may touch the tub plate 1. The secured assembly is then brazed or welded.
Patent GB-264409-A (GB)
Title: Nail holder for operating jigs for woodcutting machinery
IPC: B27F7/02
Filed: 1926-08-12
Abstract: 264,409. Costin, E. G. Aug. 12, 1926. Nailing, hand tools for. -A nail-holding device for nails which are temporarily driven into operating jigs for woodcutting machinery to hold them to the work comprises a body member, Fig. 1, and a spring sleeve, Fig. 2. The body member has an external thread a, an axial bore b an internal thread c, and a screw-driver slot e by which it is screwed into the operating jig in the desired position. The sleeve is slotted at d<1> to render it springy and has a thread b<1> and a countersunk-screw head a<1>. It is screwed into the bore in the body member. In use a nail is held for driving bv the spring sleeve, and is also retained by the sleeve when withdrawn from the work for removal of the jig.