baber/WOPTO huggingface dataset:
Patent GB-1204245-A (GB)
Title: Improved furniture construction
Inventor: HOLT JOHN RUY
IPC: A47C5/00
Filed: 1968-03-19
Abstract: 1,204,245. Furniture frames. J. R. HOLT. 6 Sept., 1968 [19 March, 1968; 17 June, 1968], Nos. 13149/68 and 28743/68. Headings A4H and A4U. A somewhat pyramidal underframe, for a table or chair, is folded up from a bilaterally symmetrical flat blank of sheet material. The underframes (Figs. 2 and 10, not shown) have re-entrant folds to support a like seat (Fig. 1, not shown), having a backrest 22, 22a and a triangular bottom (20, 20a), or a table top (Fig. 9, not shown). The seat may be secured in its erected condition by applying adhesive tape to its rear spine or closing the spine with a sliding clasp fastener. On releasing the two parts of the spine, the construction may be collapsed. Blanks of kraft-lined chipboard covered with polythene can be die cut and creased in one operation. Alternatively, plywood laminated between sheets of polyurethane foam may be used. The chairs may be clipped side-by-side to form a seating arrangement interspersed with tables (Fig. 17, not shown).
Patent GB-477762-A (GB)
Title: Improvements in or relating to conical type breakers
IPC: B02C2/04
Filed: 1937-10-21
Abstract: 477,762. Gyratory crushers. KRUPP GRUSONWERK AKT.-GES., F. Oct. 21, 1937, No. 28749. Convention date. Nov. 4, 1936. [Class 59] In a gyratory crusher having a driving wheel located over an eccentric bushing and carrying an unbalanced mass, the turning moment F, a produced in relation to the driving wheel 4 by the breaker cone 1 as a result of the action of centrifugal force, is equalized by a turning moment F, b acting in the opposite direction and produced by an unbalanced mass 6, and the centrifugal force F2 produced by an unbalanced mass 5 in the driving wheel 4 is equal to the sum of the centrifugal forces F, F1 which act in the opposite direction. The crusher may be supported on a yielding foundation or by means of ropes 8. The unbalanced mass 6 may be replaced by a corresponding recess in the opposite side of the eccentric 3.
Patent GB-243528-A (GB)
Title: Improvements in or connected with meat slicing machines
IPC: B26D7/02
Filed: 1924-12-02
Abstract: 243,528. Automatic Scale Co., Ltd., and Grantham, G. A. Dec. 2, 1924. Cutting slices in succession. - In a slicing-machine, the pivot connection for the upright of the meat clamp is provided with adjustment means for taking up play caused by wear. As shown in Fig. 1, the upright 4 is forked to embrace an eye-piece 6 screwed into the reciprocating table 7, the forks 4<b> having tapered bores 4<c> which act as bearings for split conical bushes 9 which are adjustable on the spindle 5 by lock-nuts 11. The spindle 5 is fixed in the member 6 by a peg 8 and the bushes 9 are held against rotation by pins 10 which are disposed in the splits in the bushes.
Patent GB-1001616-A (GB)
Title: Improvements in or relating to transmission systems
IPC: H04J3/20
Filed: 1962-07-27
Abstract: 1,001,616. Automatic exchange systems; transistor amplifier circuits. SIEMENS & HALSKE A.G. July 27, 1962 [July 28, 1961], No. 28890/62. Headings H3T, H4K and H4R. In a transmission system including two, two-wire line sections of different power carrying capacity, a four terminal network is inserted between the two sections in order to provide amplification between the low and the high power sections and to provide attenuation between the high and the low power sections. The invention is applied to a time division multiplex exchange system in which subscriber's lines Ll and Lr are periodically connected to a multiplex highway ZMS by gates Sl, Sr and energy is interchanged between storage capacitors located in each line. The signal power that can be transmitted through the switches is determined by the power rating of the switch, the scanning period of the system (100 users) and the time period T during which each switch is closed, e.g. 0À5 per sees. If T is decreased in order to accommodate more channels on the highway the power rating of the switches will in general be exceeded with consequent distortion of the signals. This can be overcome by attenuating the signal supplied from the line to its storage capacitor and subsequently amplifying the signal passing from a capacitor to line whereby the signal power to be passed by a switch is reduced in proportion to its reduced rating during the shorter closing time # but without affecting the level of the signals on the lines. A transistor Tl is connected as shown between a line transformer U and switch Sl, resistor R4l being used for producing negative voltage feedback, resistor R3l for negative current feedback and windings I, III for producing positive feedback which is used to counteract some of the attenuation produced by this circuit in the " forward " direction (left to right). Provided the effect of the negative feedback is sufficiently strong the amplification and attenuation of the circuit is substantially independent of the current amplification factor of the transistor. A common collector arrangement is also discussed. It is suggested that the four terminal network may have utility in a voice frequency switched repeater.
Patent GB-461152-A (GB)
Title: Apparatus for delivering liquid disinfectant to flushing cisterns
IPC: E03D9/03
Filed: 1935-10-21
Abstract: 461,152. Disinfecting-apparatus for water - waste - preventers; delivering measured quantities of liquid. FERGUS, A. Oct. 21,1935, No. 28952 [Class 26]. [Also in Group XVIII] Apparatus for delivering liquid disinfectant to flushing- cisterns comprises a container A provided with a measuring- valve C comprising a solid plug having extending through it a crooked passage c so shaped that when the inlet end of the passage is in communication with the container, the delivery end is sealed by the valve-casing, and when turned to its discharging position the inlet end is in communication with an air-inlet D in the valve-casing and the delivery end in communication with a discharge opening in the valvecasing. Specifications 6852/98 and 16623/90, [both in Class 106], are referred to.
Patent GB-874468-A (GB)
Title: Removable roll-film adapter for cameras
IPC: G03B19/04
Filed: 1959-08-25
Abstract: 874,468. Photographic roll-film adapters. KARPF, N., [trading as LINHOF, NIKOLAUS KARPF KOMM.-GES. PRAZISIONS-KAMERA-WERKE]. Aug. 25, 1959 [Sept. 25, 1958], No. 29061/59. Class 98(1) In a removable roll-film adapter for film without protective paper and for cameras with focusing screens, which adapter includes filmfeed means, indicater means for the film-feed, and a feed lock, the film-feed is effected by means of a feed lever connected through a one-way coupling to a film-feed roller and also connected through said one-way coupling and transmission gearing including a slip coupling to a key for a film take-up spool, the feed lock is formed by a detent lever of which one end projects into the path of a pin mounted on a gear wheel of the transmission gearing, and the feed lever has fixed thereto a cam plate which, during return movement of the feed lever to its initial position after a film advance, deflects the detent lever so that said one end moves out of the path of the pin to release the film-feed lock. As shown (Fig. 1) the adapter comprises a housing 1 having an exposure aperture 3 coverable by a sliding shutter plate (not shown), a plate 5 for attaching the adapter to a camera, and an insert 2 having a feed lever 14, a pressure plate 7, a guide roller 11, a film-feed roller 10 preferably carrying perforation pinions 12, and two leafsprings 8, 9 for holding two film spools (not shown) in place behind the pressure plate 7. The lever 14 is connected to a helical spring 16 (Fig. 2) which frictionally embraces the hub of a gear wheel 17 and forms a one-way coupling therewith. Drive from lever 14 for advancing the film is transmitted by way of gear wheels 17 and 21 to the film-feed roller 10 and also by way of gears 17-19 to a key for the take-up spool which is arranged coaxially with the gear wheel 19. A slip coupling is interposed between the gear 19 and said key to allow for the increase in diameter of the take-up spool as film is wound thereon. The feed-lock comprises a pin 24 which is mounted on the gear wheel 18 and engages with the end 22 of a detent lever after each revolution of the gear wheel 18, said revolutions corresponding to a film advance of one frame. The feed-lock is released on return of lever 14 idly to its original position by means of a cam plate 25 which is fixed to said lever 14 and has a raised portion for co-operation with an arm 26 of the detent lever. The indicator means for the film-feed comprises a toothed counter wheel 27, the figures of which are visible through a window 28 and the advance of which is controlled by a pin 29 on the gear wheel 18. Return of the counter wheel to its zero position under loading by spring 30 is normally prevented by a spring-loaded locking pawl 31, but when the insert 2 is removed from the housing 1, a spring urged cam member 34 displaces arm 32 of the pawl 31 and the counter wheel is then free to return.
Patent GB-659393-A (GB)
Title: A method of separating bleaching earth from mineral and fatty oils in oil purifying processes
IPC: C10G25/06
Filed: 1948-11-09
Abstract: <PICT:0659393/III/1> A method of attaining a high degree of separation of bleaching earth from oil in a centrifugal separator consists in first separating the main part of the oil from the earth in the separator bowl and then passing the separated earth through a supplemental liquid which is little or non-miscible with the oil and has a higher specific gravity, the bleaching earth together H  with part of the supplemental liquid being discharged through outlets in the bowl wall.  A separator of known type is used, having a system of channels for the supplemental liquid opening near the outlets through which the bleaching earth is discharged. Referring to the drawing, a mixture of oil and Fuller's earth is fed through an inlet pipe 1a into a member 1 provided with conical discs 3 and distribution holes 2, while the supplemental liquid is fed through a pipe 8a and channels 8 to the periphery of the bowl.  The separation chamber of the bowl is provided with three outlets for different components, viz. an outlet 4 nearest the centre of the bowl for oil practically free from Fuller's earth, an outlet 5 connected by a channel 6 with the zone outside the discs through which part of the supplemental liquid and Fuller's earth is passed, and openings 7 at the periphery of the bowl through which Fuller's earth and the remainder of the supplemental liquid is passed.  The amount of supplemental liquid is adjusted so that the border surface between it and the oil is situated within the set of discs.  If water is used as the supplemental liquid, a surface tension reducing agent such as sulphated alcohols is preferably added.  To prevent too strong a development of steam, the temperature of the oil mixture should not be above 100 DEG  C., but it can be higher if the temperature of the supplemental liquid is adjusted so that the temperature outside the openings 7 is about 100 DEG  C.  In an alternative method of working, part of the supplemental liquid may be mixed with the oil, or it may be entirely introduced in this way, in which case the channel 8 could be dispensed with and an apparatus such as shown in Fig. 1 of Specification 492,582, [Group II], could be used.
Patent GB-291448-A (GB)
Abstract: 291,448. Metropolitan-Vickers Electrical Co., Ltd., (Assignees of Vaughan, V. G.). June. 4, 1927, [Convention date]. Indicators and alarms, applications of; protection or safety devices, auxiliary.-A temperature indicating system for a dynamo-electric machine comprises a thermallyresponsive switch 41 disposed in thermal relation, with the armature. 18 and the switch is adapted to close the circuit of an electro-responsive indicating device such as a bell 36 energized from the armature winding, when a. predetermined temperature is reached. The switch is secured to the rotor spider 17 in proximity to the end windings 19, 21 which are usually at the maximum temperature and the bell is mounted on an arm 27 projecting from the rotor spider 17 and bolted to the spokes 22 of the commutator support. The bell is energized from the commutator by connecting the leads 38, 39 to a pair of segments 33 between which exists to a suitable difference of potential. The conductors 38, 39 may be connected to slip rings whereby an external relay may be energized to effect de-energization of the machine. The thermal switch mav be of the type described in Specification 178,103, [Class 38 (v), Electric switches &c.].
Patent GB-453676-A (GB)
Title: Improvements in and relating to pipes
IPC: B31B1/74
Filed: 1934-12-10
Abstract: 453,676. Paper &c. pipes. LUTZ, A., 1, Rotdornstrasse, Friedenau, Berlin. Dec. 10, 1934, No. 29160. [Class 99 (ii)] Pipes for conveying fluids are made by winding a flexible web 2 of paper &c. upon a mandrel 1 while the latter is immersed in a bath e of mineral adhesive such as bitumen, pitch or tar which is maintained in a molten condition by a burner or heating coil 5. In a modification the burner 5 is dispensed with, molten adhesive from a separate heated tank being circulated through the bath by a pump. The flexible web is preferably heated &c. prior to winding to remove air and moisture therefrom, and reinforcing material may be interleaved with the web during winding. The mandrel is supported in the bath e by arms 10 and is rotated by chain mechanism 12, and pressure is applied to the paper on the mandrel by a spring-pressed &c. blade 18, roller or belt. Upon completion of winding the mandrel is withdrawn from the adhesive bath and the outer layer of paper is subjected to the action of a scraper 19 ; the pipe is then cooled by water from a pipe 20 and finally removed from the mandrel. The mandrel is preferably heated before immersion, and a lubricant such as soap &c. or the molten adhesive itself, is applied to the mandrel so that slipping therebetween and the wound layers may occur during winding in order to relieve excess tension on the paper web. The pipe may be completed by coating it, internally and externally, with additional adhesive.
Patent GB-1012483-A (GB)
Title: Production of 2-mercaptoethyl carbamates
IPC: C07D327/04
Filed: 1962-04-26
Abstract: Mercaptoethyl carbamates are prepared by reacting a primary or secondary amine with ethylene monothiolcarbonate in a molar ratio of not more than 1: 1.  The compounds of formula G[COOCH2CH2SH]n are claimed as novel, n being 1 or 2; when n 1 G is RNH or R2N, wherein each R is C1-18 alkyl or is cycloalkyl; oe R1NH, wherein R1 is phenyl which may be substituted by halogen or C1-4 alkyl or alkoxy; or ZN, wherein Z makes up a 5- or 6-membered ring with the N, the other ring members being C, or C and O or N; and when n is 2 G is -YN(CH2)xNY-, wherein Y is H or C1-18 alkyl and x is 2-18; or phenylene diamino; or piperazino which may be substituted by C1-18 alkyl.  In examples, G is C4H9NH, C6H13NH, CH2:CHCH2NH, (CH3)2CHNH, (C4H9)2N, morpholino, piperidino, N-methylpiperazino, benzylaimno, piperazino and ethylenediamino (n being 2 in the last two cases).  Specification 998,606 is referred to.
Patent GB-973673-A (GB)
Title: Exposure control for photographic cameras
IPC: G03B7/12
Filed: 1962-07-30
Abstract: 973,673. Camera exposure control. R. EDWARDS. July 30, 1962, No. 29211/62. Heading G2A. In a camera, movement of a member in the direction to cock the shutter is adapted, before the shutter operation takes place, to clamp a movable stop, positionally controlled by the light meter, in the position significant of the light intensity, and to provide the drive for adjusting the diaphragm to a setting determined by the position in which the movable stop is clamped. As shown, the shutter 15 is linked at 37 to a shaft 31, rotation of which by a lever 30 across to operate the shutter. Before such operation is effected, rotation of shaft 31 causes, through resilient link 32, a clamp 48 to engage a disc 47 on the shaft 45 of a photo-electric exposure meter so that a stop 46, in the form of a counter-balanced disc, is held in a position corresponding to the ambient light intensity. Rotation of shaft 31 also causes, through a shipping clutch 34, 36, movement of diaphragm control ring 24 and of a disc 50 carrying a lug 51. Ring 24 is adjusted until lug 51 contacts the clamped stop 46 whereby the aperture is set in rundown with the lighting conditions. Further movement of shaft 31 operates shutter 15. A shutter speed control may be incorporated to vary the initial relative setting of the diaphragm control.
Patent GB-976719-A (GB)
Title: New derivatives of heparin and processes for their preparation
IPC: C08B37/10
Filed: 1963-07-24
Abstract: The invention comprises N-sulphobenzoyl-N-desulpho-heparins wherein the benzoyl group has the structure <FORM:0976719/C3/1> in which one of R2, R3, R4 and R5 is a sulpho group, free or formed into a salt, and the other three are each a hydrogen atom or a sulpho group free or formed into a salt. The compounds may be made by reacting N-desulphoheparin in the form of a quaternary long-chain alkyl or aralkyl ammonium salt with an anhydride or mixed anhydride of a sulpho-benzoic acid. Examples describe the preparation of the sodium salts of N-(2-sulphobenzoyl) -N- desulphoheparin, N-(2, 4-disulphobenzoyl) -N- desulphoheparin, N-(3, 5-disulphobenzoyl) -N- desulphoheparin, and N-(3-sulphobenzoyl) -N- desulphoheparin. The compounds are used, in conjunction with non-toxic carriers, as blood anticoagulants. Specifications 863,235 and 867,064 are referred to.ALSO:Pharmaceutical compositions having blood anti-coagulant activity contain N-sulphobenzoyl - N - desulpho - heparins wherein the benzoyl group has the structure <FORM:0976719/A5-A6/1> in which one of R2, R3, R4 and R5 is a sulpho group, free or formed into a salt, and the other three are each a hydrogen atom or a sulpho group free or formed into a salt. The compounds, in association with a carrier, may be injected intravenously for treatment of cardiac disorders.  Specified compounds are N-(2-sulphobenzoyl) -, N - (2,4 - disulphobenzoyl)-, N - (3 - sulphobenzoyl) -, and N - (3,5 - disulphobenzoyl) - N - desulpho - heparins.  Specifications 863,235 and 867,064 are referred to.
Patent GB-872869-A (GB)
Title: Circuit breaker with plug isolators particularly for metal clad electric switchgear
IPC: H02B1/24
Filed: 1957-09-18
Abstract: 872,869. Switch-gear structures. BROWN, BOVERIE & CIE A.G. Sept. 18, 1957 [Sept. 18, 1956], No. 29362/57. Class 38 (5). A circuit-breaker consists of a main power-interrupting breaker 1 and one or more voltage disconnecting points per phase, each voltage disconnecting point including a plug isolator 4 and an enclosed switch 3 capable of interrupting the normal load current at the point. Thus, control of sub-circuits connected to the disconnecting points may be effected without removal of the breaker from the plugs. Duplicate bus-bar selection and phase-changing may also be effected by the switches. The breaker 1 and the switches 3 are of the plug-and-socket type and may be operated by compressed-air contained in the tank 12 which also acts as the current feed.
Patent GB-229018-A (GB)
Title: Improvements in the structural framework of sheds, bridges and the like
IPC: E04B1/342
Filed: 1923-11-21
Abstract: 229,018. Wylie, H. N. Nov. 21, 1923. Roofs; columns .-A dismountable frame structure such as a shed, bridge, or shelter for aircraft, comprising trusses mounted on stanchions is erected by connecting one end of the truss H to the end c, Fig. 2, of a folding stanchion consisting of two levers or sections B, C pivoted to a link A, and then drawing together the ends x, y of the sections to raise the end c and extend the stanchion to the position shown in Fig. 1; the ends x, y are then secured together by a fastening suitable for tension, and the stanchion is stayed by a guy k. The other end of the truss is similarly raised. In the modification shown in Fig. 5, an extension B<5>, B<6> is made in one section to maintain a uniform tension in the member F, but not taking part of the load when the column is extended. In a further modification, the arm B<6> is hinged and the member B<5> is variable and flexible. In all the forms, the member F may consist of two independently adjustable elements connecting the sections B, C and link A.
Patent GB-1113757-A (GB)
Title: Automobile body panel with an ornamental or trim strip
IPC: B60R13/04
Filed: 1966-06-30
Abstract: 1,113,757. Clips. GENERAL MOTORS CORPORATION. 30 June, 1966 [2 Aug., 1965], No. 29380/66. Headings E2A and E2B. A moulding trim strip 10 with inturned edges forming flanges 14, is secured to a panel 12 by pressing the strip over two rows of balls 18 welded to the panel. Alternatively there is a single row of balls fitted with resilient clips with fingers which engage the balls and the flanges 14 of the strip 10 engage behind the edges of the clips.
Patent GB-697711-A (GB)
Title: Improvements in color television systems
IPC: H04N7/08
Filed: 1951-12-17
Abstract: 697,711. Colour television. FRANCE, H. G. M. DE. Dec. 17, 1951 [Sept. 14, 1951], No. 29489/51. Addition to 697,696. Drawings to Specification. Class 40 (iii). The parent Specification describes a threecolour television system which comprises three separate channels each of which conveys a signal corresponding to one component colour, the bandwidths of the signals conveyed by two of the channels being less than that conveyed by the third and the colour components conveyed by the channels being cyclically interchanged so that at the receiver each colour component passes periodically through a condition of high definition, the other two components being simultaneously in a condition of lower definition. In one embodiment of the present invention synchronized rotary switches are used at the transmitter and receiver to effect the cyclical colour interchanging and the receiver also comprises means for combining the three component-colour signals to obtain a signal which permits the reproduction of the picture in black and white. In a second embodiment, the rotary switches are replaced by synchronized rotating colour discs which are so phased that at any instant each channel conveys a different colour component while the components conveyed by each channel are cyclically interchanged. Preferably, each camera tube at the transmitter and each reproducing tube at the receiver co-operates with a respective colour disc. As an alternative a single rotating disc may be used at both the transmitter and the receiver, the camera tubes being spaced at 120 degree intervals about the axis of the disc at the transmitter and the receiving tubes being similarly arranged at the receiver. In a third embodiment the rotary switches are replaced by electronic switches, each comprising nine pentode valves grouped in threes with respect to each channel and in threes but in a different fashion with respect to each tube. A scale-of-three counter triggered by the frame synchronizing pulses supplies gating pulses to the electronic switch at the transmitter to suitably switch the camera tubes between the channels in the desired cyclical manner and a similar counter switches the electronic switch at the receiver to direct the colour components conveyed by each channel to the appropriate reproducing tube.