baber/WOPTO huggingface dataset:
Patent GB-689343-A (GB)
Title: Improvements in the production of plant-containing earth-pots and in apparatus for carrying out the same
IPC: A01G9/08
Filed: 1951-01-02
Abstract: 689,343. Moulding plant-containing earthpots. KRAUSE, B. Jan. 2, 1951 [Jan. 2, 1950], No. 135/51. Class 87 (ii). [Also in Group XXX]  Plant-containing earth pots are made by depositing earth from a horizontally reciprocating feed box 6 around a mandrel 21, lowering the mandrel so as to leave a space into which the roots of a plant are lowered by a vertically reciprocating holder 15, then pressing the earth around the root by means of horizontally reciprocating dies 22, 23. After the dies have moved apart again, the mandrel 21 is raised to eject the compressed earth pot. The feed box 6 is reciprocated by a continuously rotating shaft 28 having right- and left-handed screw threads which run into each other at either end. The feed-box carries cams 25, 26 which actuate the dies 22, 23 through levers 40, 41, and cams 24, 24a which actuate the mandrel 21 and plantholder 15 through levers 38, 39. The levers 41, 42 also bear upon adjustable cams 50, 51 which limit the stroke of the dies 22, 23. These cams may be designed to impart a slight closing moving movement to the dies before the mandrel 21 moves down. The hopper 10, which carries a pivoted sieve 54, is mounted on pivots at its front end and connected to the frame of the machine by springs (not shown) at its rear end. The hopper is vibrated by means of a roller 11 on the feed box 6 which contacts a corrugated plate 12. The ejected earth-pot is pushed into a shoot 55 by the feed-box 6 and falls onto a setting-rack 56 which has a number of prongs 60 upon which the earth-pots may be placed. The shoot may be replaced by a conveyer belt and the setting rack may be placed on the conveyer. The conveyer is moved forward step by step by means of a pin (hot shown) on one of the dies 22, 23. This pin actuates a spring-loaded pawl which co-operates with a rachet wheel on one of the rollers of the conveyer.
Patent GB-1178651-A (GB)
Title: Self-Priming Centrifugal Pumps
Inventor: KING WILLIAM L
IPC: F04D1/12
Filed: 1968-01-01
Abstract: 1,178,651. Centrifugal pumps; jet pumps. L.W. JAMES, L. JAMES and W.H. GONYEA. Jan.1, 1968, No.137/68. Headings F1C and F1E. A centrifugal pump is primed by a gas-operated ejector. In the embodiment shown the ejector 60, Figs. 1 and 2, is carried by a rotory member 10 having radial pumping passages 18 therein communicating with a stationary suction pipe 28 via a central opening 22. During priming, rotation of the member 10 causes air within stationary casing 32 to pass through a venturic passage 70 in the ejector and thereby create a sub-atmospheric pressure in a cavity 74 to withdraw gas from the interior of the pump via passages 78, 83, 86, 84 and port 82. Thus liquid is drawn into the suction pipe and passes centrifugally through radial pumping passages 18 and ports 24 into pumping chamber 16 containing a stationary liquid pick-up and discharge tube 40. The U-shaped arrangement of the passages 83, 86, 84 prevents liquid from being ejected should any accidently enter these passages through the port 82. In another embodiment, Fig. 3 (not shown), the ejector is instead arranged on a hollow stationary arm within the pumping chamber and is operated, during priming, by air discharged into the pumping chamber by the radial pumping passages, the sub-atmospheric pressure created being communicated directly to the interior of the stationary suction pipe. In a final embodiment, Figs. 4 and 5 (not shown), comprising a centrifugal pump having a bladed rotary impeller arranged within a stationary circular casing having a central inlet and a tangential outlet, the ejector is arranged at the entrance to the tangential outlet and is operated, during priming, by air discharged by the rotating impeller, and the subatmospheric pressure created is communicated directly to the interior of the inlet.
Patent GB-733211-A (GB)
Title: Device for truing profile grinding wheels
IPC: B24B53/08
Filed: 1953-01-05
Abstract: 733,211. Trueing grinding-wheels. GRODZINSKI, P. March 1, 1954 [Jan. 5, 1953], No. 290/53. Class 60. A device for trueing grinding wheels consists of a single lever 8 rotatable about a pivot 4 movable in a direction perpendicular to the axis of the grinding- wheel, the single lever being guided by an inclined plate 11 and a ballpoint 9, so that the diamond point 16 moves approximately in a vertical plane passing through the axis of the wheel, and by a template 15 which controls the movement of the diamond point towards and away from the axis of the grinding- wheel. The member 4 is mounted in a slidable member 5 loaded by a spring 6 and is secured to the lever 8 by a pad screw 10. The other end of the lever is fitted with a handle 27 by means of which a stylus 14, accurately located by a pair of dowel pins and provided with a tip which is an enlarged replica of the diamond point, may be caused to traverse the profile of the template. To enable convex or concave radii to be generated the diamond is adjustably mounted in a cradle 8a which may be oscillated by a spindle 25 and a handle 12. An additional movement tangential to the periphery of the grinding-wheel may be imparted to the diamond by a flexible cable device to improve the trueing operation. Resilient washers 19, 20 and 21 of resilient material protect the bearings of the device. and a cap of rubber, plastic or rubberized textile material protects the point 9 and the plate 11. A lever hingedly connected to the base-plate 1 of the device serves to position it correctly on the table or magnetic chuck of a grinding-machine. The lever 8 is counterbalanced by a weight 29 or connected by a light spring to a bracket 2. Specification 622,342 is referred to.
Patent GB-964203-A (GB)
Title: A method of producing a heat-insulated casing
IPC: B29C44/42
Filed: 1961-01-04
Abstract: 964,203. Making foamed hollow articles LICENTIA PATENT - VERWALTUNGSG.m.b.H. Jan. 4, 1961 [Jan. 7, 1960], No. 352/61. Heading B5A. Articles, e.g. refrigerator casings, of foamed thermoplastic material, e.g. polyurethane, on an outer or inner casing of thermoplastic material, e.g. polystyrene, the two layers being bonded together by incorporation of a liquid which slightly dissolves the casing, e.g. hydrocarbon halides, in the foam material, are made by a method comprising injection moulding of the inner or outer casing in a closed mould followed by replacement of the outer mould or mould core respectively by larger or smaller respective parts so that foam material may be expanded in the space left when this mould is closed. Fig. 1 shows a machine for moulding an outer layer of foamed material on an inner rigid casing. An injection core 1 is moved into a mould 2 and the inner casing is injection moulded. The core 1 is raised with the inner casing and the mould 2 is moved on its support 3 so that a mould 5 with a larger cavity takes its place. Hinged nozzles 6 are used to charge the mould 5 with unfoamed material in liquid form and are then swung back to the position shown in Fig. 1. The core 1 is lowered to leave a gap at the top of the mould 5 and the foam material expands and sets in the mould cavity. The foaming is effected by blowing agents in the foam material. The core 1 may be made to move laterally instead of the moulds, and two identical cores may be provided, so that one coacts with the mould 2 while the other coacts with the mould 5, either on a rotary table or on a laterally movable support. In the latter case two moulds 5 are provided one on each side of the mould 2. Reinforcements, e.g. metal frameworks, may be incorporated in the foam material by placing them in the mould 5 before foaming. In Fig. 5 such a framework 13 is shown which bears against the moulded casing 10, and may be bonded to it, and against the mould 5, through angle pieces 12. Holes 14 allow free expansion of the foam material, and excess material 15 is cut off at 16 after moulding, and the rough edge left thereby may be covered by a capping (Fig. 7, not shown). Cavities may be formed in the foam layer for insertion of locks or temperature regulators by the use of multipart rigid cores 20, 21, 22, Fig. 8, held in place in the mould 5 by bolts, as 25, or magnetically. Double wall casings may also be injection moulded and the foam material introduced as before.
Patent GB-1464855-A (GB)
Title: Abrasive cleaning of metal surfaces
IPC: B24C11/00
Filed: 1974-02-06
Abstract: 1464855 Abrasive granules ISC SMELTING Ltd 6 Feb 1974 [3 Jan 1973] 422/73 Heading C4V [Also in Division B3] A method of removing adherent deposits from a metal surface comprises impinging on the surface a stream of a granulated blast furnace slag entrained in a gas. The method may be used to remove rust and/or scale. The slag preferably contains between 10 and 30% of CaO, 25 and 40% of FeO, 15 and 30% of SiO 2 , 5 and 20% of ZnO, and a small quantity of Al 2 O 3 , all percentages being by weight. The slag is granulated by being run into a pit containing water to yield granules which are dried and sized so that more than 50% are within the range 120 to 36 B.S.S. (0.124 mm. to 0À422 mm.).
Patent GB-1442891-A (GB)
Title: Beam
IPC: E04C3/04
Filed: 1974-01-04
Abstract: 1442891 Metal beams H R MORRIS H K MORRIS A C A BIERMANN G R BIERMANN G GILLETT and J GILLETT 4 Jan 1974 00465/74 Heading E1K A structural beam of sheet metal is formed to provide a flange 11 along each longitudinal edge, the outer edge of each of which has an inturned lip 12 and a return lip 13, and a series of triangular openings 14 each having a flange 15 formed around its periphery.
Patent GB-167114-A (GB)
Title: An improved means for lighting tobacco in pipes
IPC: A24F3/00
Filed: 1921-01-06
Abstract: 167,114. Allen, H. G. Jan. 6, 1921. Tobacco pipes. - A cylindrical wind-screen A for enabling the tobacco in a pipe F to be lit is formed with an outwardly flaring expansible slitted mouth H, an indented slitted aperture B for the insertion of a match G, and a slit C and tongue D for engagement with a match-box E.
Patent GB-283219-A (GB)
Title: Improvements in or relating to thermionic amplifiers, detectors and the like
IPC: H03F1/16
Filed: 1928-01-06
Abstract: 283,219. Marconi's Wireless Telegraph Co., Ltd., (Assignees of Roberts, W. van B.). Jan. 7, 1927, [Convention date]. Thermionic amplifiers. - In a high-frequency amplifier undesired reaction due to inherent capacity coupling is neutralized by a predominantly capacitative counter coupling which inserts a balancing capacity between the filament and the plate of the valve. Fig. 3 shows a twostage amplifier in which the input 1, 2, 3 is applied to one diagonal G, F and the output is taken from the other diagonal 4, P of a Wheatstone bridge arrangement comprising the input circuit, valve capacities, and condenser 9, Fig. 2. In a modification, a coil is coupled to the input and connected in the output instead of employing the tapping 4. In a further modification, Fig. 5, the output tapping is taken between condensers C, C<1> connected across the input.
Patent GB-149701-A (GB)
Title: Improvements in or relating to electric switches
IPC: H01H51/12
Filed: 1918-01-09
Abstract: 149,701. Perl, A. H. F. Jan. 9, 1918. Electro-magnetic switches; mercury switches. - A main switch 17, 19 is operated, in opposite directions, by two oppositely-acting solenoids 1, 2 energized by a local circuit 5 (containing a two-way switch 39, 41, 42 or push-buttons) to move a core 7, which, acting through cam slots 12, 13 in an actuating member, opens or closes the main switch and operates a tilting tripping- device 27 to cut out the current from the operative solenoid and prepare the circuit of the other solenoid, so that, when its energizing circuit is completed at the two-way switch, the movement of the core and the main switch is reversed. A pin 14 on the contact arm 15 pivoted at 16 engages within the cam-slot in the actuated plate 9 and, when the solenoid is energized, the plate is moved outward and the cam-slot swings the contactmembers 17 into engagement with its fixed contact 19. At the limit of this movement, a projection 24 on the plate engages with a pin 26 on the rocking carriage 27 pivoted at 28 and tilts the carriage over to its other extreme position, whereupon a conducting ball or mercury contact rolls from bridging engagement with two contacts 31 on the carriage (and located in the energizing circuit of the solenoid 2) into engagement with the contacts in the circuit of the solenoid 1. When the two-way switch is reversed or the appropriate press-button actuated, the solenoid 2 is energized and the main switch brought to the off position. Instead of the rolling ball or mercury tripping device, the core may operate a pivoted insulating lever on a disk having a non-conducting segment to control the energizing-circuit of the solenoid by separating local circuit contacts normally in engagement with one another.
Patent GB-192687-A (GB)
Title: Improvements in and relating to a combined bath towel and bath robe
IPC: A41D7/00
Filed: 1923-01-08
Abstract: 192,687. Hoyme, C. R. Feb. 6, 1922, [Convention date]. Towels.-A combined towel and bath-robe is made by forming an opening 11, Fig. 2, in the centre of a length of towelling 10 and providing fastenings 13, 14, 16, 17 of flexible material such as tape along the edges. To use the article as a bath-robe, the head is passed through the opening 11 and the side fastenings secured as shown in Fig. 1. For use as a towel, and during laundering the material is spread out flat. The article may be made in two parts detachably secured together by fastenings such as snap fasteners, the head opening being between the two parts.
Patent GB-1026072-A (GB)
Title: Improvements in and relating to the determination of dissolved substances in water
Inventor: POTTER EDMUND CLARENCE
IPC: G01N33/18
Filed: 1962-05-14
Abstract: An apparatus used in the determination of traces of dissolved gas in water as in Specification 1,026,071 comprises within an outer tube impermeable to liquid and gas, three annular chambers separated by 2 thin tubular membranes of a polymeric material e.g. polyethylene, polyetrafluoethylene, natural or a synthetic rubber such as silicone rubber, the inner and outer chambers having inlets and outlets permitting continuous through flow of water to be tested and the intermediate chamber having an inlet through which pure may be admitted and withdrawn.  In the preferred embodiment the inner and outer chambers are connected so that water to be tested flows through each in succession.  The membranes are preferably not thicker than 0.01 inch and may be 0.0015-0.002 inch.  In use water to be tested, containing additional impurities likely to interfere with the determination flows through the apparatus, till the pure water reaches equilibrium.  The latter is then withdrawn and tested e.g. by the Winkler method for dissolved oxygen.
Patent GB-243189-A (GB)
Title: Improvements in cuff links
IPC: A44B5/00
Filed: 1925-01-09
Abstract: 243,189. Laughton, G. A., and Peet, E. B. Jan. 9, 1925. Sleeve-links.-One of the buttons 9 of the sleeve-links is made hollow and contains a helical spring 10 the outer end of which bears against the inner end of a flared tube 7 in the face of the button. A small flexible chain 6, attached to one end of the member 3, and which connects the buttons 1 and 9, passes through the tube 7 and is secured to the inner end of the spring 10 and may also be attached by a hook to the casing 12 of the button. The construction permits the buttons to be separated by the compression of the spring 10 as shown in Fig. 2. Fig. 3 shows the arrangement of the spring 10 inside the button when in the normal position. If desired each of the buttons may contain a spring as 10.
Patent GB-129564-A (GB)
Title: Improvements in Sanitary Dry Closets.
Inventor: BUTTON LEONARD
Filed: 1919-01-09
Abstract: 129,564. Button, L. Jan. 9, 1919. Dry closets; closets, ventilating.-A box 1 of the shape shown is fitted with screened vent holes 4 and a rear door 2 adapted to be closed by gravity on sloping edges a. Another screened opening 6 is fitted with a flue 11 leading to the outer air. The seat cover 9 is hinged to the flue 11, and has a transverse batten 10 which prevents the cover reaching the vertical, and so ensures its closing by gravity. At the back is a board 7 for attachment to the inner wall of the closet and for supporting the hinges of the door 2. The open rear end of the box allows of the entry of a soil tub 12. In a modified construction of metal, the cover has a backwardly turned flange to answer the purpose of the batten 10, and the door is made of two sheets 21, 25, Fig. 5, the latter being dished and having its edges enclosed by the turned-over edges of the sheet 21.
Patent GB-1349333-A (GB)
Title: Automatic work rest blade changers
IPC: B23Q1/76
Filed: 1973-01-05
Abstract: 1349333 Grinding SUNDSTRAND-ENGELBERG Inc 5 Jan 1973 [7 Jan 1972] 759/73 Heading B3D An automatic work rest blade changer for a centreless grinding machine comprises a work rest blade support 10, Fig. 1, for releasably holding a work rest blade, and a blade carrier 18 for replacing a work rest blade in the support with a substitute work rest blade taken from a blade storage rack 16. The support 10 is disposed between a regulating wheel 11 and grinding wheel 12 and has locking fingers 67, Fig. 5, which are retractable by solenoids 70, 71 to engage notches 66 in the edges of the blade 17. The rack 16 carries a plurality of work rest blades 17 in slots 24 and is movable between front and rear walls 25, 26 of a box by a lever 30 movable about a pivot 31 by a solenoid 35, 36 to position a blade to be engaged by the carrier in a selected position which is determined by actuation of an associated switch S1 ... S5 by an abutment 38, a plunger 39 then being movable by a solenoid 42 to engage a respective hole 40. The carrier 18 consists of a pair of blade clamping fingers 44 movable about pivots 45 on a plate 46 by solenoids in a cylinder 47. The cylinder is carried by the plunger 50 of a solenoid 51 on a plate 19 connected by pivots 57, 60 to the upper end of pairs of arms 20, 21. the lower ends of which are connected by pivots 56, 59 to the walls 27, 28 of the rack-supporting box, the arms being arranged so that they can pivot through about 90 degrees from the vertical to the horizontal position while retaining the plate 19 in a vertical position. When the operation of changing a blade is to be effected, a selector switch is actuated to set one of the switches S1 to S5 according to which blade is to be used. The various solenoids are activated by limit switches during the operation of the changer which, when a start piston is activated causes the fingers 44 to be opened and a solenoid (61, 64, Fig. 3, not shown) to swing the arms to swing the plate 14 over the work rest blade support 10. The solenoid 51 is actuated to lower plate 46 and the solenoid 47 moves the fingers 44 to grip the blade in the support. Gripping by the fingers 44 causes release of the locking fingers 67 in the support and the solenoid 51 then raises the plate 46 and hence the work rest. The arms are then swung to the vertical position and the plate 46 is again lowered to deposit the blade in the rack, and the fingers 44 release the blade. The plunger 39 is retracted from the engaged hole 40 and solenoid 37 moves the rack 16 to the end wall 26 and actuates a switch 86 to reverse the movement of the rack until the abutment 38 operates the previously selected switch of the set S1, ... S5. whereupon the plunger 39 engages the respective hole 40, the plate 46 is lowered for the fingers 44 to grip the selected work rest, and the changer operated to carry the rest to the support for it to be gripped by the fingers 67, the arms then returning to their vertical position.
Patent GB-1332835-A (GB)
Title: Coil strippers
IPC: H02K15/06
Filed: 1971-01-07
Abstract: 1332835 Coil strippers INDUSTRA PRODUCTS Inc 7 Jan 1971 [13 April 1970] 789/71 Heading B3A A stripper, for inserting coils in a dynamo electric machine stator, comprises a base portion having a substantially circular cross-section in a first plane and which is adapted to be attached to a coil placing tool, and a head portion comprising means for maintaining the relative orientation of at least some individual turns of a coil during the insertion process. Wound coils 19-24 are placed about elongated fingers of a placing device and a stator core 1 is positioned on the fingers with the gaps between the fingers aligned with the core slots. The stripper is fitted with fins 7, which are located in the gaps, and the head portion has grooves interconnecting corresponding pairs of gaps between fingers, e.g. the groove (25) and the gaps between fingers (26), (27) and (28), (29), Fig.3 (not shown). As the stripper moves along the fingers, the fins 7 urge the coils into the core slots while the grooves prevent bunching of the turns in the vicinity of the head portion of the stripper. Wedge guides 31 insert protective wedges in the stator slots. In an alternative form, Fig. 12, the stripper is fitted with elongated members 38 which maintain the orientation of the coil turns during insertion, and the head portion may be provided with grooves in alignment with the gaps between the members 38, Fig. 11 (not shown). The members 38 are removable and may be replaced by members of different sizes to vary the gaps so as to accommodate wires of different diameters. An alignment tool 40, 41, 42 is fitted to prevent flexure of the elongated members.
Patent GB-632017-A (GB)
Title: A new or improved device for pastry-making and like operations
IPC: A21C3/02
Filed: 1948-01-10
Abstract: A combined rolling-pin and flour sifter is made with one or both ends detachable and perforated so that the tubular pin can be filled with flour which can be sifted therethrough.  The ends may be a push-in fit or be secured, e.g., by a bayonet joint.  An obturating device may be used to mask the end perforations.  Reference has been directed by the Comptroller to Specification 650,229.
Patent GB-1286611-A (GB)
Title: Flame inspecting device
IPC: G01J5/08
Filed: 1970-01-07
Abstract: 1286611 Flame inspecting device FUJI PHOTO FILM CO Ltd 7 Jan 1970 [24 Jan 1969] 829/70 Heading G2J A flame inspecting device comprises a transparent ceramic rod 3 for arrangement adjacent a flame, and enclosed at one end by a tube 5 of higher heat resistance the internal walls thereof being spaced from the rod 3 such that radiation emitted from a flame is transmitted to an observer at the other end of the rod. The ceramic materials may be glass, quartz glass or crystalline glass whilst the tube may be of white crystallised glass or the refractories, alumina, zirconia or sillimanite. In use a burner flame is arranged behind a partition 2, through which the device projects and for viewing hotter blue flames, a metal wire 4 of high thermal capacity, with one portion formed into a spiral is placed in the flame, the wire being attached to thicker wire 6, of higher heat resistance, and sheathed in ceramic material 7, adjacent the flame and in turn supported between the tube 5 and the rod 3. The wire 4 may be supported directly on the end of rod 3 and may be coated with ceramic material to increase its incondescence. Light conducting rods may be attached to any position on the side of rod 3 to aid vision by an observer.