baber/WOPTO huggingface dataset:
Patent GB-822518-A (GB)
Title: Esters of iso-sebacic acid
Inventor: NEWMAN ERNEST CHARLES
IPC: C07C69/50
Filed: 1957-03-13
Abstract: An ester of iso-sebacic acid and a monohydric C4-C12 alkanol is obtained by heating a mixture of iso-sebacic acid and the monohydric alkanol at 120-250 DEG  C. in the presence of p-toluene sulphonic acid as catalyst and recovering the ester produced.  Iso-sebacic acid is defined as a mixture consisting of a -ethyl suberic acid as a major constituent (e.g. 72 to 80% by weight), a ,a -diethyl adipic acid (e.g. 12 to 18% by weight) and sebacic acid (e.g. 6 to 10% by weight).  The preferred alkanols are octanols, nonanols and decanols and the alkanol should preferably be used in a stoichiometric excess over the acid of not greater than 50%.  A mixture of alkanols may be used.  The process may be effected batchwise or continuously and small quantities of activated carbon may be added up to about 1% by weight of the isosebacic acid, alkanol, and p-toluene sulphonic acid. Examples are given for the production of di-esters of iso-sebacic acid with 2-ethyl hexanol, 3,5,5-trimethylhexanol and iso-octanol. Comparative examples are given using sulphuric acid as catalyst instead of p-toluene sulphonic acid.
Patent GB-268380-A (GB)
Title: Improvements relating to sash frames adapted for assembling in situ
IPC: E06B1/24
Filed: 1927-03-26
Abstract: 268,380. Chassis en Ciment Arme M.T., (Assignees of Timmerman, M.). March 26, 1926, [Convention date]. Window frames; glazing.-Sash frames for windows are assembled in situ from moulded sashbars of which those in one direction A, B, C are continuous for the whole width of the frame and those D at right-angles to them are discontinuous and placed between them. The bars are assembled by means of pins and notches, the pins being continuations of the reinforcements b<1>, b<11>, in the case of concrete sash-bars, and the reinforcements a<1>, b<1> in the different kinds of bars are displaced sufficiently to meet tangentially when assembled. Grooves r are provided in the bars for holding the putty when glazing. A mortar space z at the junctions is provided by varying the outlines at the meeting points. The dimensions are multiples of the distance between the reinforcements of the discontinuous elements or of the distance of these from the face of the elements. In the case of large windows, one continuous reinforcing member is provided in the direction of the discontinuous bars.
Patent GB-914747-A (GB)
Title: Automatic combustion control
IPC: F22B35/00
Filed: 1959-03-11
Abstract: 914,747. Fluid-pressure servomotor-control systems. SULZER FRERES S.A. March 11, 1959 [March 12, 1958], No. 8424/59. Class 135. In an automatically-controlled combustion plant involving the control of two combustion media, e.g. fuel and air, a comparison is made between the actual value of a variable representing the heat evolved in combustion and the expected value of that variable and the desired value of a controlled medium, e.g. the fuel is modified in accordance with such comparison. In the first example, Fig. 1, the supplies of air and fuel to a combustion chamber 1 are controlled by controllers 6a and 13 respectively. The controller 6a receives a measured value flow signal from a meter 6 and a desired value flow signal from a transmitter 11. The controller 13 also receives a desired value signal from the transmitter 11 and a signal from an integrator 17 to which is transmitted the measured value signal from one or more pyrometers and the desired value signal from the transmitter 11. In the second example, Fig. 2, the heat evolved in a boiler 31 is determined by measuring inlet and outlet temperatures and flow and the corresponding signal is transmitted via a ratio means 44, an integrator 45 to a multiplying unit 46 which also received a signal indicative of the angular position of a shaft 35 which is positioned either by a hand wheel 33 or by a steam engine governor acting on an arm 34. The output signal from the multiplying unit 46 is fed back to the ratio means 44 and to a controller 48 which also receives a signal from a flow meter 48b. The output signal from the controller 48 is fed to a fuel supply regulator 48a. The air delivery of the blower 39 is controlled by the output signal from a controller 38 receiving a first input signal from a flow meter 38a and a second input signal from the shaft 35. In an example, Fig. 3 (not shown), the measured value temperature signals are derived from invar rods which act on pistons to set up corresponding pressures which are subtracted in a piston and cylinder device which acts via a logarithmic cam to set up a corresponding pressure. The pressures corresponding to the air and fuel flows are derived from orifices and diaphragms acting via logarithmic cams. The ratio means may comprise a cylinder containing a double piston the movement of which is transmitted via an anti-logarithmic cam to move a piston and set up a corresponding pressure. The integrator may comprise a capacity and restrictor in series. The multiplying unit may comprise a three-dimensional cam to which linear and angular movements are imparted by the input signals and which acts on a piston to set up an output pressure which is fed back to the ratio means via a logarithmic cam and to the pilot valve which controls a double-acting piston actuating the fuel valve. The set values are derived from manually-rotatable shafts which via cams act on pistons to set up corresponding pressures.
Patent GB-888869-A (GB)
Title: Outside sliding door swingable into and out of the door opening
IPC: B61D19/00
Filed: 1960-03-10
Abstract: 888,869. Sliding doors. BODE, E. March 10, 1960 [Aug. 13, 1959], No. 8483/60. Class 20(3) [Also in Group XXXII] A sliding door 9, Figs. 1 and 2, e.g. for a vehicle, which is also swingable into and out of the door opening during the final closing and initial opening movements respectively, is provided on its inner face with a rail 10 engaged on rollers 7 on a frame plate 8 pivoted at 6 on a lever 4 pivoted at 5 to a support 3 mounted at the centre of an upright side of the door frame 1. A roller 12, carried by a bracket 13 mounted near the front edge of the door, is engageable with a rail 11 secured to vehicle body 2 when the door is swung out of its opening. Referring to Figs. 3 and 4, a ring member 13a having an entry slot 14 is provided on the lever 4 below the rollers 7 and a lug 16, on an arm 15 secured to the door, is interlockable with the ring 13a during initial or final swinging movements of the door, to prevent sliding of the door at that time. The rear edge of the door is provided with a guide arm 17 having a roller 19 running on a rail 18 disposed on the vehicle body.
Patent GB-1514699-A (GB)
Title: Valve assembly for vehicle exhaust
IPC: B60P1/60
Filed: 1977-03-01
Abstract: 1514699 Heating dump truck bodies GENERAL MOTORS CORP 1 March 1977 [11 March 1976] 08522/77 Heading B7B A dump truck includes a valve assembly arranged to direct exhaust gases into a pivoted dump body 24 to prevent freezing of the contents only in the lowered position of the body, the gases being directed to the ground when the body is raised. The valve assembly includes a closure member 56 comprising upper and lower plates 58, 60 interconnected by a flexible member 62 and movable between positions closing an upper opening 50 and a lower opening 52 by engagement with a conduit 88 secured to the body 24.
Patent GB-369743-A (GB)
Title: Improvements in and relating to apparatus for the reproduction of photographic sound records
IPC: G11B7/00
Filed: 1931-03-20
Abstract: 369,743. Optical sound-reproducing apparatus. OWENS, F. H., 2647, Broadway, New York, U.S.A. March 20, 1931, No. 8548. [Class 40 (ii).] To enable any one of a plurality of longitudinal photographic sound records on a film to be selected for reproduction, a rotatable disc, provided with a plurality of openings adapted to register one at a time with the soundgate light slit, is interposed between the light source and the sound-record film. It may be arranged for the sound records to be reproduced automatically in succession, or the selection may be effected manually in any order. A sound-record film 1 having a plurality of sound records 2 .. 7 is moved through a sound gate 13 provided with a light slit 14. A light slit 15 is also provided in a plate 16 spaced from the film gate 13 and is illuminated from a light source 17, its image being focused by a lens system 19 upon the film 1. The modulated light rays passing through the film 1 impinge upon a photoelectric cell 20. Mounted upon a shaft 23 adjacent the plate 16 is a selector disc 24 provided with openings 25 each adapted to be brought into registry with the slit 15 and into alignment with one of the sound records. The selector disc may be moved manually to illuminate any one of the record tracks or it may be automatically rotated step by step. For this latter purpose, a ratchet disc 28 mounted upon the shaft 23 is adapted to be engaged by a pawl 29 which forms part of the armature of an electromagnet 30 which, when energized, draws the pawl 29 inwards to rotate the discs 28, 24 a sufficient amount to bring the next opening 25 into registry with the slits and the next record track. The energizing of the magnets is controlled by the film through the medium of a notch 31, suitably located with respect to the end of the sound records, which notch serves to operate a contact device comprising a lever 33 provided with a roller 34 which rides on the edge of the film 1, and with a contact 35 adapted to engage with a stationary contact 36. The disc 24 is held in each position of registration by a spring catch 27.
Patent GB-805843-A (GB)
Title: Collagen strands and method of treating
Inventor: NOVAK LEO J
IPC: A61L17/08
Filed: 1956-03-20
Abstract: Collagen, from which a strand bonded by dextran is formed, is prepared from kid skin or sheep's intestines.  The corium of kid skin is cut into pieces and covered at 10-30 DEG  C. with dilute 0.05-0.10 N formic acid solution having a pH of 2-4.  After swelling of the corium, excess liquid is drained off and the corium is shredded to facilitate dissolution of collagen. Dissolved collagen is separated under heating and then centrifuged to remove traces of undissolved collagen, hair, &c.  The resulting collagen solution is filtered through cotton batting pads.  After dissolving the prepared collagen solution in dilute acetic acid, it is extruded through a spinneret into a coagulating and dehydrating bath of ammonium sulphate solution or magnesium sulphate solution buffered with triethanolamine.  The resulting strands are passed through a 3 per cent solution of dextran and dried.  Sheep's intestines are hydrated in water, split into ribbons, washed in sodium bicarbonate water and scraped clean. Two such ribbons are plied together, tanned in a formaldehyde bath, immersed in dextran solution, spun and dried.ALSO:A surgical suture is formed from a plurality of continuous collagen filaments or a multiplicity of discontinuous collagen fibres which are bonded together by dextran.  Collagen, which may be obtained from kid skin by treating with formic acid and is dissolved in acetic acid, is formed into strands by extrusion through a spinneret or long spinning tube into a coagulating and dehydrating bath of ammonium sulphate solution or of magnesium sulphate solution buffered with triethanolamine.  The strands, which may then be twisted, are passed through a 3 or 5 per cent solution of B-512 dextran and are then dried under tension. Alternatively, cleaned submucosal ribbons formed by splitting sheep's intestines are plied together, tanned with formaldehyde, immersed in a 5 per cent aqueous solution of B-512 dextran, spun, dried under tension and polished.  Dextran may be applied to the strands by spraying.  The finished strands are used as sutures or tennis racquet strings.
Patent GB-526532-A (GB)
Title: Improvements in or relating to flexible universal joints
IPC: F16D3/68
Filed: 1939-03-18
Abstract: 526,532. Universal joints. KATTWINKEL, H. March 18, 1939, No. 8746. Convention date, Feb. 21, 1939. [Class 80 (ii)] In a universal joint of the kind in which rubber sectors 3, in a floating annular casing 4, are interposed between radial arms 1, 2 alternating on the coupled shafts, surface movement between the arms and the rubber sectors is prevented whilst still retaining the capability of disassembly, either by vulcanizing the sectors 3 to the arms and dividing them along a radius 6, or by vulcanizing the ends of the sectors to metal plates 7 which bear on the arms 1, 2. As shown in Fig. 3, both the plates 7 and the arms 2 have obtuse-angled faces, the plates being initially inclined at a smaller angle than the arms and being of flexible metal, so as to conform to the shape of the arms when the rubber sectors 3 are compressed on assembly, as by drawing axially together the two halves of the casing 4 by bolts 5. The plates 7 may have facial studs engaging holes in the arms 1, 2.
Patent GB-1040863-A (GB)
Title: Fan assembly for a vacuum cleaner
IPC: A47L5/22
Filed: 1965-03-02
Abstract: 1,040,863. Suction cleaners. BLACK & DECKER MANUFACTURING CO. March 2, 1965 [July 30, 1964], No. 8787/65. Heading A4F. [Also in Division F1] In a portable vacuum cleaner comprising a vertical cylindrical tank 11, Fig. 1 (not shown), mounted on wheels, a top cover 16 for the tank contains a multi-stage fan assembly (see Division F1) driven by an electric motor. A single inlet 17 is provided in the side of the tank and two outlets 18 are provided through the top of the cover 16. A filter or dust bag 22, Fig. 3 (not shown), is secured by a bead 23 to a stretcher ring 21 on the tank. The stretcher ring carries a resilient gasket 24 on which the cover 16 is clamped by latches. An auxiliary fan 27 draws cooling air for the electric motor through ports 49 and discharges it through ports 50.
Patent GB-567246-A (GB)
Title: Improvements in and relating to automatic pressure operated hydraulic piston type admission or exhaust valves
IPC: B30B15/22
Filed: 1943-06-02
Abstract: 567,246. Valves. TOWLER, J. M., and TOWLER, F. H. June 2, 1943, No. 8801. [Class 135] A pressure-actuated hydraulic piston-type admission or exhaust valve has the valve member moved in one direction against spring or other predetermined pressure by hydraulic pressure acting against different piston areas, the pressure on the smaller area serving to effect initial movement of the valve plunger and the pressure on the greater piston area serving to hold the valve plunger at the end of its travel and, if desired, to complete such movement, the admission and release of the pressure acting on the greater area being automatically controlled by valve means. As shown in the Figure, the valve 1 loaded by a spring 3 controls the connection between an inlet chamber 4 and an outlet 7 via ports 8 and a reduced part 9. A small plunger 2 bearing against the bottom of the valve plunger works in a ported liner which has. a reduced upper part to provide an annular passage 12 connecting ports 17, 18 with the chamber below the valve and with a reduced lower part to provide an annular passage connecting passages 19 with a passage 22 leading to the outlet 7. Inlet pressure passes through a passage 11 to a chamber 10 where it acts on the lower end of the plunger. When the inlet pressure acting on the small plunger is sufficient to overcome the load of the spring, it first lifts the valve 1 and finally permits inlet pressure to pass through a longitudinal passage 13 and transverse passage 15 and thence by passages 17, 12 to the underside of the plunger 1. When the pressure has fallen sufficiently low to allow the spring to move the valve to its nearly closed position, a groove 20 connects passages 18, 19 to release the pressure below the plunger 1. In a modification, pressure is admitted through a helical passage and groove on the small plunger and is released to the passage 11 through a spring-loaded non-return valve.
Patent GB-1411675-A (GB)
Title: Adjustable crib with variable degrees of confinement and accessi bility
IPC: A47D7/00
Filed: 1973-02-22
Abstract: 1411675 Cribs BORG-WARNER CORP 22 Feb 1973 [10 April 1972] 8815/73 Headings A4J and A4U A crib comprises a mattress supporting frame 21, 22 supported by end frames 10, 11 and surrounded by an enclosure 25 having a longitudinally extending opening and being rotatably mounted on the end frames such that the opening may be disposed below the mattress support frame, as shown in Fig. 3, to completely enclose a person in the crib or may be disposed above the mattress support frame, as shown in Fig. 1, to allow access to the person in the crib. The end frames 26, 27 of the enclosure are formed as rings and are resiliently supported and guided in their rotation on resilient rollers 35 rotatably mounted on the end frames 10, 11 of the crib. The enclosure is locked against movement by engagement of a spring biased pin 39 in one of a number of notches 38 in one of the rings. The ends of the enclosure may be closed by netting 48 removably attached to the end frames 10, 11 of the crib or by hinged or sliding doors. The enclosure apart from the end rings 26, 27 may have a rectangular or elliptical cross-section. The mattress support frame may comprise a number of pivotally inter-connected sections adjustable relative to each other.
Patent GB-1040404-A (GB)
Title: Filter presses
IPC: B01D25/19
Filed: 1965-03-02
Abstract: The movable closure plate of a filter press has, on the side remote from the filter plates, two semi-cylindrical parts which together form a tubular member disposed horizontally and serving to space the closure plate from the adjacent end of the filter press stand when the press is closed.  The parts are joined to the closure plate by horizontal hinges so that to open the press, the upper part is swung upwards to a vertical position.  Gears connecting the two parts in the vicinity of the hinges then ensure that the lower part simultaneously swings vertically downwards.  A large clearance between the closure plate and the stand is thus instantaneously provided.
Patent GB-204654-A (GB)
Title: Improvements in keys for use with railway chairs
IPC: E01B9/58
Filed: 1923-03-29
Abstract: 204,654. Langley, J. March 29, 1923. Addition to 199,863. Chair keys. - The key described in the parent Specification has the wood liner WL retained by semi-circular lugs SCL on the shoe MS, the lugs entering grooves in the liner. The rib CR is curved at its centre to correspond nearly with the curvature of the wedge W, and is hollowed out at its ends at H to facilitate the insertion of the wedge. The point of the wedge projects over the shoe and is inclined towards the shoe to prevent the wedge working loose.
Patent GB-211735-A (GB)
Title: Improvements in or relating to the heels of boots and shoes
IPC: A43B21/02
Filed: 1923-03-29
Abstract: 211,735. Vik Heels, Ltd., and Bream, E. S. March 29, 1923. Heels.-A heel is constructed so that its upper half or thereabouts is of wood and its lower half of leather. The lower half may be made of several lifts B of leather secured to a wooden block A by glue and nails or screws, or may consist of a single lift with a separate tread piece secured thereon.
Patent GB-141190-A (GB)
Title: Improvements in or relating to wireless receiving and transmitting apparatus
IPC: G01S1/02
Filed: 1919-04-10
Abstract: 141,190. Murray, J. Erskine-, and Robinson, J. April 10, 1919. Bearings, determining wirelessly.-Relates to systems in which a wireless receiving-station determines its bearing relatively to a transmitting- station by comparing the strength of signals transmitted with their maximum or minimum intensity in successive compass directions. For example, the directive aerials A, B, C, &c., Fig. 1, may successively transmit corresponding letter signals A, B, C, &c., and the receiving-operator generally has no difficulty in assuring himself that two of these signals (say C and D) are weaker than the rest, whence he knows that his bearing is between C and D. The present invention consists in providing him with means for equalizing the effect on his telephone of the two weakest signals, the setting of the equalizing-device giving an indication of the relative strength of the two signals and enabling the true bearing to be ascertained to a nearer approximation. For example, the two signals may be led to the detector through separate relatively-variable couplings c, e and d, e, Fig. 2, alternately connected to the antenna a by a switch b; or other types of equalizer, such as shunt resistances, may be used. To facilitate this method of operation, the transmitting-station, after sending a cycle of single signals A, B, C, &c., may send repeated pairs of signals A, B; A, B; A, B; B, C; B, C; B, C; C, D; C, D; C, D; &c., so that the receiving- operator, after making sure that C and D are the weakest signals, has ample opportunity to adjust the device by which they are equalized. The coils c and d, Fig. 2, may in this case be connected to the antenna by an automatic switch, which works in synchronism with the transmitted signals, so that during the signals A, B; A, B; A, B; B, C; B, C; B, C; &c., the coil c is in circuit during the first signal of each pair, and the coil d during the second.
Patent GB-943601-A (GB)
Title: Means for affixing a window in a window aperture
IPC: E06B1/60
Filed: 1960-03-15
Abstract: 943,601. Fitting window frames in apertures. INTERNATIONALE BOUW-SPECIALITEITEN N.V. March 15, 1960, No. 9174/60. Addition to 943,602. Heading E1J. A window frame 7 with a glazed sash 9 is affixed in a window aperture by fixing a hollow rebate frame 13 in the aperture by means of transverse spaced filler members 28 traversed by tensioning rods 27 which are engaged by the hooked ends of bolts 17 anchored by eye bolts 17 in the window aperture opposite the spaces between the members 28 and then by means of wedges 4 actuated by bolts 20<SP>1</SP> with their hooked ends engaging over the rods 27 and tightened by nuts 3 displacing the frame 7 inwardly of the aperture and against the abutment surface 8 of the rebate frame 13. The members 28 at each corner of the rebate frame are L-shaped with tension rods tending to draw the members of opposite corners together. Each filler member is provided with intercommunicating passages and surface grooves to allow adhesive inserted at a given point to travel throughout and enable the member to make maximum contact with the interior of the rebate frame.