baber/WOPTO huggingface dataset:
Patent GB-350874-A (GB)
Title: Process for the production of acetic acid
Filed: 1930-11-10
Abstract: <PICT:0350874/IV/1> The oxidation of acetaldehyde to acetic acid is effected in a series of vessels A .. E, each having a stirrer and heating, and cooling means.  These vessels contain a solution of acetaldehyde in a solvent such as acetic acid or a chlorinated hydrocarbon, or the solvent alone, and a catalyst.  Oxygen, which may be diluted with other gases, enters at F and acetaldehyde is supplied from a vessel K to an intermediate vessel C.  The oxygen flows in counter-current with the acetaldehyde in the vessels C, B, A, pure acetic acid or acetic acid and solvent flowing off at G.  The oxygen leaving the vessel C carries acetaldehyde vapour with it and passes through the vessels D, E until all the oxygen is utilized, the position of the main reaction vessel C in the series being so chosen as to secure the complete oxidation of the acetaldehyde in the lowest vessel and the complete consumption of the oxygen, and accompanying acetaldehyde vapour in the vessels D, E.  Waste gases escape at H.
Patent GB-1180368-A (GB)
Title: Flat Package for Semiconductors
IPC: H01L21/60
Filed: 1968-07-16
Abstract: 1,180,368. Semi-conductor devices. ALLOYS UNLIMITED Inc. 16 July, 1968 [17 July, 1967], No. 33866/68. Heading H1K. The semi-conductor body of a device such as a transistor is mounted in a depression 32 in the upper surface 34 of an insulating body 30, there being raised contact sections 36, 38, 40 spaced from the depression 32 extending above the surface 34. A conductive coating, intended for the collector terminal, covers at least the lower surface of the depression 32 and extends across part of the surface 34 to one of the contact sections 36, covering the inner and upper faces thereof. The section 36 may be larger than the remaining sections. Further conductive coatings each cover the inner and upper faces of the one of the remaining sections 38, 40 and an adjacent portion of the surface 34, the uncoated portions of which isolate the conductive coatings from each. The inner faces of the contact sections 36, 38, 40 are preferably sloped to facilitate efficient coating, e.g. by spraying a suspension of Mo and Ti through a mask. The coatings may subsequently be electroplated with Ni and Au. The body 30 may be of alumina or beryllia, in which case it is fired before and/or after metallization, or of plastics material. The body 30 may be mounted on a threaded Cu stud, and in this case one of the conductive coatings may extend down the outer wall of the body 30 and over its lower face. In one embodiment, Fig. 7 (not shown), only two raised contact sections (110, 112) are provided, but a third conductive coating extends over the lower face of the insulating body (104), up its side wall and across part of its upper face (108). In another embodiment four raised contact sections are provided. After mounting the semi-conductor body in the depression 32, Fig. 1, the assembly may be closed with epoxy resin or a hermetically sealed glass lid.
Patent GB-864895-A (GB)
Title: Improvements in a combined table and stool or stools
IPC: A47B83/02
Filed: 1956-11-07
Abstract: 864,895. Combined table and stools. MIDDLETON, G. A. C. April 8, 1957 [Nov. 7, 1956], No. 33940/56. Class 52(3). Stools 2 on pedestals 1 are connected by radial arms 4 to sleeves 5 which fit rotatably on the legs 6 of a table.
Patent GB-637690-A (GB)
Title: A device for sewing machines
IPC: D05B27/04
Filed: 1947-12-23
Abstract: 637,690. Sewing-machines. HENRIKSEN, H. N. Dec. 23, 1947, No. 33948. Convention date, Feb. 22, 1944. [Class 112] An attachment for mounting on and periodically lifting the presser-bar 8 comprises a U-shaped member 9 having a hook 16 which may be turned to an operative position to lie in the path of a part of the needle-bar 2. The hook engages the needle clamping screw 4, and may be bent to vary the lift. The attachment is fixed to the presser-bar by the presserfoot attachment screw which passes through a hole 10 in the member.
Patent GB-187890-A (GB)
Title: Improvements in self-lifting cultivators, grubbers, ridgers and the like
IPC: A01B63/18
Filed: 1921-12-19
Abstract: 187,890. Martin, W. E. Dec. 19, 1921. Adjusting and lifting parts of implements; wheels and axles, arrangements of.-In a self-lift cultivator, grubber, ridger, &c. the main wheels are adjustably mounted on bushes on the ends of the cranked axle, bosses being provided on the bushes to act as teeth for raising the lifting rack or racks. Means are also provided for lubricating the bushes, for allowing the frame to be raised beyond the usual raised position, and for allowing the wheels to drop into hollows in the ground. The bushes i are held in position on the axle c by collars j, and may be made in two parts connected together by driving-dogs i<6> &c. On each bush is a key i<1> fitting into a kevway in the wheel boss b<1>, which is adjustably held in position by a set-screw b<2> engaging depressions i<2> in the bush. Within the key is a lubricating groove i<3> fed by a lubricator i<4>. The lifting- rack d engages bosses i<5> on the bush when moved into position by a lever g. The frame is held in the raised position by a fixed pin h<1> engaging a recess h<3> in a slot in a plate h pivoted on an arm c<2> on the cranked axle. The depth of work is regulated by a hand-lever e and locking quadrant e<1>. The lever e may also be used to raise the frame to a greater height than the self-lift mechanism, the slot in the slotted plate h being extended at h<4> to allow of this. To allow the wheels to drop into hollows, the connection between the lever e and the arm c<2> consists of a slotted link k and pin e<2>. In a modification, the lever e engages with a pin on the pivoted plate h. A pin or roller g<2> on the lever g raises the slotted plate h in the extreme forward position of the lever. In a modification, the pivoted plate h is cut away on its underside to engage the fixed pin h<1>. The wheels b, with their bushes j are interchangeable.
Patent GB-342397-A (GB)
Title: Improvements relating to cooking or sterilizing by steam under pressure
IPC: A23L3/04
Filed: 1929-11-09
Abstract: 342,397. Cooking or sterilizing bottled &c. goods. TRIGGS, W. W., 57, Lincoln's Inn Fields, London. - (Meyer Manufacturing Co., G. J. ; Layton Avenue, Cudahy, Wisconsin, U.S.A.) Nov. 9, 1929, No. 34288. [Class 49.] In apparatus for cooking or sterilizing bottled or canned goods by steam under pressure, the goods are carried through the treatment chamber by a conveyer which enters and leaves the chamber through a single water-sealed opening. In the construction described, metal tanks A, B, C, D are provided, tanks A and B communicating at their upper ends and having a common closure, and tanks B and C communicating at their lower ends, the tank C being open at the top. Water is contained in tanks B, C, D. Overflows 11, 15 from near their tops and overflows 12, 16 from their bottoms determining the level of the water in tanks C, D, the overflows discharging into a funnelled waste pipe 17. Steam pressure of 5 lbs. is maintained in tank A by maintaining the necessary head of water in tank B, steam being supplied by a pipe 23 and passing through an ejector 14, which draws condensed water from the bottom of tank A, and thence, with the water, passes through pipe 13 to tank B above the water line. A valve 24 is provided in steam pipe 23, for bringing the steam pressure down to the required value. Glass water gauges 21, 22 enable the water level in tanks B, A to be observed. The bottles are inserted in carriers 19 on an endless chain conveyer 18 which takes them through tanks C, B, A and then back to tank C. The bottles pass finally through tank D, cooling water being sprayed over the carriers 19 from a pipe 30 at the outlet end of the tank and flowing through the tank, which is provided with a partition 20, in a direction opposite to that of the carriers, leaving through the overflow 15. The bottoms of the tanks A, B, D are connected through valves 26, 27, 28 with a common outlet 25. The steam ejector 14 is coupled with the connection between valve 26 and tank A. A valved steam connection 29 is provided between steam pipe 23 and valve 27 to enable steam at a predetermined pressure to be introduced into tank B. Milk in bottles may be sterilized in the apparatus at a temperature of 225‹ F., the sterilization taking 20 minutes.
Patent GB-811600-A (GB)
Title: Improvements relating to safety systems for nuclear reactors
Inventor: NYE ANTHONY EDWARD THOMAS
IPC: G21C7/36
Filed: 1956-11-09
Abstract: 811,600. Nuclear reactor control rods. BRITISH THOMSON-HOUSTON CO. Ltd. Oct. 30, 1957 [Nov. 9, 1956], No. 34331/56. Drawings to Specification. Class 39(4). In a nuclear reactor control rod shut-down circuit, discrimination is effected between reactor faults and faults in the A.C. electric supply to the shut-down circuit so that the latter do not interfere with reactor operation. A supply source alternator and a standby alternator are provided for the shut-down circuit and the standby is automatically substituted for the alternator in use, should the latter fail. The energization of the relay controlling the shut-down rods is drawn from a separate D.C. source and the A.C. energized relays which in response to reactor faults, normally cause the D.C. shut-down relay to operate, would tend to open during the interval of change between one alternator and the standby. To prevent the consequent operation of the shut-down relay the contacts of the A.C. relays are temporarily short-circuited, during that interval, by a relay having a delay period longer than the change-over time.
Patent GB-1060989-A (GB)
Title: Improvements in or relating to building components
IPC: E04B1/68
Filed: 1964-08-21
Abstract: 1,060,989. Building facade. L. FOULQUIER. Aug. 21, 1964 [July 31, 1964], No. 34357/64. Heading E1W. A flat wall comprises horizontal rails, Fig. 3, (not shown), supporting overlapping concrete or other panels having interfitting rebates 13, 14 at top and bottom enclosing a horizontal rail so that the outer panel faces lie in a common plane, the two edge faces of each panel having angled metal strips 18, 19 embedded along a line oblique to said plane to form projecting lips between panels which nest at horizontal joins, Fig. 4, (not shown). Vertical weld lines (21) unite the abutting lips to form a weatherproof joint, surplus metal being cut off. The vertical joints may be concealed by cover panels. In a modification the panels are arranged to provide horizontal welded joint lines.
Patent GB-387802-A (GB)
Title: Improvements in or connected with sockets and plugs used for electrical connections
IPC: H01R13/415
Filed: 1931-12-14
Abstract: 387,802. Plug-and-socket couplings. REID, L. H., 32, Victoria Street, London. Dec. 14, 1931, No. 34601. [Class 38 (i).] A socket or plug of skeleton formation with a ring-shaped end, is secured in a hole in a panel or support by an eyelet, which passes through the ring, and the end of which is turned over through the gaps between the ribs to engage the panel. The socket shown in Figs. 1, 4, ,and 8 is made from a single piece of sheet metal and the three ribs 1 are bent inwards to grip the pin, the ends 1a being bent round to form a ring. The eyelet, shown also in Fig. 6, is inserted through the ring and into the hole in the panel 4, the ends or tongues 5a being bent up between the ribs 1 while the parts 5b are left projecting downwards and stiffen the ribs. The lower ends of the sockets may have tabs 2a bent down for soldering connections thereto. Sheet metal blanks of various shapes may be used to produce sockets or pins having two or more'ribs. Examples are shown in Figs. 16 and 19, the former having four ribs and the latter, when it is doubled up, having six, the two ribs 1d in this case being fixed at one end only. The ribs may be bent outwards, as shown in Fig. 24, to form a resilient plug.
Patent GB-922523-A (GB)
Title: Production of beryllium fluoride
Inventor: DERHAM LESLIE JACK
IPC: C01F3/00
Filed: 1960-10-10
Abstract: Beryllium fluoride is produced by contacting siliceous beryllium ores, e.g. beryl, preferably in a fluidized bed with a gaseous mixture of hydrogen fluoride and steam at a temperature below 450 DEG C., and leading away the silicon tetrafluoride formed. The remaining wax is leached with water, hydrofluoric acid or an alkali metal bifluoride solution whereupon beryllium fluoride is recovered. Hydrogen fluoride can be recovered in a second stage by decomposing silicon tetrafluoride in the presence of water vapour at a temperature above 600 DEG C. and separating the silica formed.  The resulting gas is recirculated or condensed to an aqueous solution from which the gaseous mixture of hydrofluoric acid and steam can be regenerated in boiling and then recirculated.
Patent GB-472243-A (GB)
Title: Improvements in or relating to the hydraulic transmission of power
IPC: F16H39/08
Filed: 1935-12-13
Abstract: 472,243. Hydraulic transmission of power. SCHNEIDER, E. Dec. 13, 1935, No. 34683. Void. Convention date, Dec. 13, 1934. [Class 69 (ii)] Hydraulic power transmission apparatus comprises a pump and motor, and is adapted to function as a coupling or gear. The capacity of the pump, or both pump and motor, may be varied either manually or automatically ; in the latter case, the variation may be effected by means controlled in accordance with the speed of the driven shaft. In the form shown in Fig. 1, the cylinder of the pump I is carried by the driving shaft 3, and its piston is connected to a variable-throw crank on the driven shaft 4. A passage 6 leads to the motor I<1> whose piston is connected to a crank on the shaft 4<1>. The device acts as a coupling if the passage 6 be closed ; a releasable clutch 22, brake 23, and reversing or change-speed gear 24 are also provided. In another form, both pump and motor are of the gear wheel type, and their capacities are varied by sliding the wheels 9 9<1>, Fig. 3. Another form has a common cylinder block for both pump and motor, geared to the driven shaft 4, as shown in Fig. 4, the shaft 3 carries a swash plate acting on the pump pistons 14, while the motor pistons act on a stationary swash plate, the inclinations of the swash plates being adjustable. In a modification, the shaft 3 carries an annular rotor 1 by rods 25, Fig. 7. On this rotor is mounted a tiltable pump cylinder block. The motor is similar, and both blocks are adjustable by rods 15, 16, 17, while a reversing valve 29 is provided in the passage 6.
Patent GB-361604-A (GB)
Title: Improvements in thermostats
IPC: G01K5/62
Filed: 1930-11-19
Abstract: 361,604. Thermal switches ; switches partly electromagnetic. WINGFIELD, B. R., Brooklyn, The Green, West Drayton, Middlesex. Nov. 19, 1930, No. 34808. [Class 38 (v).] A thermal switch adapted to be operated by the flue gases of oil or gas burners, comprises a helical bimetallic strip 1 which rotates a shaft 3 carrying a cog-wheel 5 which engages the end of a spring blade 6 fixed at its end 7 and carrying another blade 9 which carries a contact 10. After the rotation of the wheel 5 has caused the blade 6 to be deflected to one side or the other so that the contact 10 moves into or out of engagement with a fixed contact, further rotation of the wheel has no effect the teeth merely slipping by the blade 6. The strip 9 also carries an armature adapted to engage a permanent magnet arranged near the fixed contact so that a quick make-and-break is effected.
Patent GB-1278715-A (GB)
Title: Cell door locking and driving system
IPC: E05F17/00
Filed: 1970-07-20
Abstract: 1278715 Cell door operator SOUTHERN STEEL CO 20 July 1970 [29 Aug 1969] 35058/ 70 Headings E2A and E2M A motor-driven cell door operating device comprises a movable bar and bar operating means carried by a cell door carriage, which means moves the bar to fastening position when the cell door reaches the open or closed position and withdraws the bar when the door is either open or closed and driving force is applied to the carriage.  Drive from motor 118 when the door is in the fastened open position, Fig. 12, causes rotation of pinion 116 counter clockwise which moves rack 88 and slide bar 90 to the right. Cam 114 engages cam follower roller 132 to initiate rotation of a pivotable bar operator 70 which raises bar 44 from its fastening position to its releasing position so that the cell door moves towards the closed position. The door is released from the closed position in a similar way. Fastening occurs by means of overtravel movement of rack 88 and bar 90 causing pivoting of lock bar operator 70 to an inclined position, lowering lock bar 44.
Patent GB-636122-A (GB)
Title: Improvements in or relating to charging cranes for fireless locomotives
IPC: B61C1/04
Filed: 1946-11-27
Abstract: 636,122. Locomotives. RUTHS INTERNATIONAL ACCUMULATORS, Ltd. November 27, 1946, No. 35205. Convention date, July 6, 1939. [Class 79 (i)] [Also in Group XXVIII] A charging crane for charging fireless steam locomotive with high pressure steam from a stationary source comprises a stuffing box turnable about a vertical axis connected with the steam supply and an elastic tube connecting the stuffing box to the locomotive adapted to accommodate variations in distance between the charging crane and the locomotive. The charging crane comprises a high pressure steam supply 2, valve 3, and stuffing box 4 which is kept tight by bolts 9 and which permits rotation of the pipe 1. The pipe 1 is guided at 16, has a loop a to accommodate small variations in the position of the locomotive connection, and terminates in a connector 5, the end of the pipe 1 being guided by a collar 28 carried by an arm 15 from the rotatable tube 10. The pipe 1 has a pin 29 which works in an aperture L in the collar 28 to permit a limited movement in the collar in a vertical direction and also radially to the tube 10, but the pipe cannot move with respect to the collar in a direction circumferentially to the tube 10. Connection is made to the locomotive by inserting a pipe in the aperture in the connector 5 and tightening the hand wheel 20. Fig. 3 shows the connector 5 with the charging head 6 of the locomotive in position. The charging head 6 carries an annular packing 18 which abuts the annular seat 17 on the end of the pipe 1. The two are maintained in contact by rotation of hand wheel 20 and spindle 19 in one direction, which presses the saddle piece 21 and hence the charging head 6 upwardly, and which pulls the charging head downwardly to separate the packing 18 from the seat 17 when rotated in the other direction, travel of the spindle 19 being limited by collar d and corresponding abutments. A pawl 26 engaging a ratchet 27 on the top face of the handwheel 20 may be provided to prevent the handwheel from working loose. A spigot e may surround the seating 17 to protect same during insertion and withdrawal of the charging head 6, an annular groove f in the charging head receives the spigot when the joint is tightened by hand wheel 20. The aperture in the charging head '6 is normally closed by a spring pressed lid 30.
Patent GB-373967-A (GB)
Title: Improvements in or relating to two-stroke explosion motors working with raw oils, kerosene, gasoline or the like
IPC: F01M13/00
Filed: 1930-11-24
Abstract: 373,967. Two-stroke engines. SOLLERS, H., Reichenberg, Czecho-Slovakia. Nov. 24, 1930, No. 35325. Convention date, Nov. 22, 1929. Void [Published under Sect. 91 of the Acts]. [Class 7 (ii).] A heavy-oil mixture is drawn by the upward movement of the piston into a chamber 3 formed inside a shell 2 at the front end of the cylinder ; air is supplied from the crank chamber and is delivered througl the usual transfer pass ages into the cylinder at the end of the out-stroke The mixture from the chamber 3 is injected into the air in the transfer passage.
Patent GB-301509-A (GB)
Title: Improvements in and relating to hydraulic binding agents
IPC: C04B22/12
Filed: 1928-11-30
Abstract: 301,509. Chemische Fabrik Gr³nau, Landshoff, & Meyer Akt.-Ges., (Assignees of Hinrichsen, C.). Dec. 1, 1927, [Convention date]. Cements, Portland and Roman ; concretes and mortars, cement.-A mixture of calcium chloride and hydrochloric acid and, or a chloride which is readily decomposed by hydrolysis, is added to hydraulic cements, or to the gauging water, to accelerate the setting and hardening and to render them water and oil proof. Examples of suitable decomposable chlorides are the chlorides of titanium, tin, iron, and antimony. Aluminium chloride may also be an ingredient of the mixture.
Patent GB-359763-A (GB)
Title: Improvements in and relating to the separation of pulverulent materials
IPC: B07B4/02
Filed: 1930-11-24
Abstract: 359,763. Pneumatic c separating. AHLMANN, N., 33, Vestergade, Copenhagen. Nov. 24, 1930, No. 35381. [Class 117.] Apparatus for separating pulverulent materials consists of a casing 4 in which falling material fed in at 5 is subjected to the action of an upward air current entering at 6, a series of conical perforated funnels 9 and rotary plates 10 being provided for successively collecting and distributing the materials in their passage through the apparatus. A modification is described in which the apparatus is enclosed in an outer casing and the air caused to operate in a closed cycle. The material is fed to a rotary distributing disc at the top of the apparatus. In a further modification, the shaft 11 carrying the plates 10, may be provided with radial blades for assisting the scattering of the materials.
Patent GB-1505003-A (GB)
Title: Bracelet clasp
IPC: A44C5/20
Filed: 1976-08-26
Abstract: 1505003 Buckles F JACOT 26 Aug 1976 [8 July 1976] 35502/76 Heading E2A A two-part bracelet buckle comprises a hollow part 1 into which an end 3 of a strap may be glued, crimped etc., and a channelshaped part 2 for receiving the free end 16 of the strap and there gripping it by means of a nose 17 on lever 15 pivoted on pin 14, the two parts being linked together by passing ears 9', 10' and upstanding lever 6 through slot 5, and then locking the union by pressing the lever 6 down as shown in Fig. 2, where it is fastened by catch 18.
Patent GB-905412-A (GB)
Title: Improvements in and relating to the reduction or elimination of interference in radio receivers
IPC: H04B1/12
Filed: 1958-11-05
Abstract: 905,412. Radio receiving circuits. DE BOMFORD, S. Nov. 5, 1958 [Nov. 5, 1957; June 27, 1958], No. 35603/58. Class 40 (5). Relates to systems for cutting out local interference wherein two aerials of unequal length are coupled to the receiver in such a way that the common interference pick-up is balanced out, leaving the desired signal alone to actuate the receiver. According to the invention the coupling comprises a transformer having primary windings P 1 , P 2  connected in series opposition between the two aerials A 1 , A 2  and with their common point T 2  earthed. One primary winding P 2  is movable manually to vary its coupling with the other primary and the secondary S until maximum interference suppression is achieved.