baber/WOPTO huggingface dataset:
Patent GB-636001-A (GB)
Title: Improvements in and relating to the raising of seedlings
IPC: A01G9/10
Filed: 1947-02-19
Abstract: 636,001. Moulding soil-seedling containers. MARECEK, F. Feb. 19, 1947, No. 4887. [A Specification was laid open to inspection under Sect. 91 of the Acts, Feb. 19, 1947] [Class 87 (ii)] [Also in Group 1] Portions of soil for raising seedlings are shaped and, after the seedlings have been planted, compressed to pyramidal shape by. apparatus comprising a base plate 3, a grid 1 and plungers 21 on carrier 2. Movement to the grid and carrier is imparted by a handle 4 driving a worm shaft 6 which turns threaded uprights 7 passing through flanged nuts 8 resting on the carrier 2. The nuts are also engaged by a bar 9 movable into three positions I, II, III, determining the engagement or otherwise of toothed depending rods 10 with the flange 1<SP>11</SP> on the grid 1. In operation the bar 9 is set with pawl 15 in notch III and by turning the handle 4 the grid 1 and elements 21 are raised leaving the base 3 clear to receive a layer of soil. The bar is moved to set the pawl 15 in notch II and the handle turned back to lower the grid 1 and elements 21 to an extent necessary to compress the soil to the required depth. By moving the bar 1 and pawl 15 to notch I the grid 1 is forced down to the base level 3. The grid is then lifted by movement of the handle 4 after pawl 15 has been reset in notch III, and the base 3 with the soil plugs removed for sowing with seed or planting with seedlings. After replacing the base 3 and plugs the soil is compressed around the seedlings by depression of the members 1, 21, the recesses 16 in the undersides of the members 21 preventing damage to the seedlings.
Patent GB-681210-A (GB)
Title: Improvements in cutter chains for mining machines
IPC: E21C25/36
Filed: 1950-02-25
Abstract: 681,210. Mining- machines. ANDERSON, A., and ANDERSON, BOYES & CO., Ltd. Feb. 23, 1951 [Feb. 25, 1950], No. 4914/50. Class 68(i) [Also in Group XXV] Adjacent links 1 of a cutter chain of a mining-machine are interconnected by compound pivots comprising an eye-bolt-like member 2 of which the shank portion 3 is journalled in one link and of which the eye portion 4 is penetrated by a pivot pin 5 associated with the adjacent link, the axis of the shank portion and the axis of the pin being at right angles to one another and both being transverse to the line of travel of the chain. Some or all of the links may be formed to carry picks 6.
Patent GB-621354-A (GB)
Title: Improvements in pocket clips for fountain pens, pencils and the like
IPC: B43K25/02
Filed: 1947-02-21
Abstract: 621,354. Spring clips. WADE. E. E. S., and LIVSEY, C. Feb. 21, 1947, No. 5085. [Class 44] [Also in Group VII] A clip for a fountain pen or the like is formed with eyelets 11 in the same plane as the clipping arm 5 and secured in a slot in the top of the pen by an eyebolt 14 connected to the eyelets by a pin 17 and tightened by a nut 18. , The slotted domed top 6 is a separate member and has an internal screw for a threaded bush 3, e.g., of metal. The bush, which is screwed into the end of the pin, has bores 12, 19 to receive the bolt 14 and nut 18, the shoulder 20 between them being coned. The nut 18 is, also coned and has slots 21 for a suitable tool. The clip is bent from sheet metal to channel section, the channel walls being continuous between the clipping arm and the securing portion.
Patent GB-1061521-A (GB)
Title: New hydroxyphenyl-1,3-5-triazines,process for their preparation and their use
IPC: C07C291/04
Filed: 1964-02-06
Abstract: Protection from heat, air and U.V. light is afforded to soaps by compounds of the general formula <FORM:1061521/C4-C5/1> where R is a phenyl radical, bound to the ring via a cyclic carbon atom, containing a hydroxyl group ortho to the ring bond, and a group -OW, where W is alkenyl or substituted alkyl, and A and X are substituted or unsubstituted phenyl radicals bound to the ring via a cyclic carbon atom.ALSO:The invention comprises compounds of the formula <FORM:1061521/C2/1> where R is a phenyl radical bound through a cyclic carbon atom to the ring and containing a hydroxyl group ortho to the triazine ring bond, and a group -OW, where W is alkenyl or substituted alkyl, and A and X are substituted or unsubstituted phenyl radicals bound through a cyclic carbon atom to the ring.  They are obtained by reacting in an anhydrous medium in the presence of a Friedel Crafts catalyst and an inert organic solvent, a halogeno-1: 3: 5-triazine with a compound of the benzene series containing two hydroxyl groups in meta-position to each other, and optionally with other compounds of the benzene series, whereupon the resulting hydroxylated product is reacted with a suitable etherifying agent. Examples of substituted alkyl groups are hydroxyalkyl, hydroxyalkoxyalkyl, halogenoalkyl, cyanoalkyl, carboxyalkyl, carbalkoxyalkyl, aralkyl and acyalkyl.  Examples of alkenyl groups are vinyl, allyl and crotyl.  Suitable etherifying agents are ethylenechlorohydrin, glycerin-a -chlorohydrin, n-allylbromide, benzyl-chloride, para-chlorobenzyl chloride, crotyl bromide, g -bromobutyronitrile, g -bromobutyric acid ethyl ester, 1-chloro-3-bromopropane, phenacyl bromide, chloracetic acid ethyl ester, chloroacetic acid and bromoacetic acid glycol ester.ALSO:Protection from heat, air and UV light is afforded to fibrous materials which may be in the form of yarns, woven or knitted fabrics, felt, textiles and papers, for example those based on starch or casein or on synthetic resins, by compounds of the general formula:  <FORM:1061521/D1-D2/1> where R is phenyl radical, bound to the ring via a cyclic carbon atom, containing a hydroxyl group ortho to the ring bond, and a group -OW where W is alkenyl or substituted alkyl and A and X are substituted or unsubstituted phenyl radicals bound to the ring via a cyclic carbon atom.ALSO:Protection from heat, air and VV light is afforded to cosmetic preparations such a perfumes, bath salts, skin and face creams, powders, repellants and sunburn oils and creams by compounds of the formula <FORM:1061521/A5-A6/1> where R is a phenyl radical bound to the ring via a cyclic carbon atom, containing a hydroxyl group ortho to the ring bond, and a group -OW where W is alkenyl or substituted alkyl, and A and X are substitued or unsubstituted phenyl radicals bound to the ring via a cyclic carbon atom.
Patent GB-621360-A (GB)
Title: Improvements in or relating to optical objectives for profile projection
IPC: G02B13/22
Filed: 1947-02-21
Abstract: 621,360. Optical objectives. TAYLOR, TAYLOR, & HOBSON, Ltd., and WARMISHAM,A. Feb. 21, 1947, No. 5172. [Class 97 (i)] A corrected objective for profile projection comprises two convergent members, of which the rear member acts as afield member and images the light source at the optical stop position and consists of two doublets, each including an internal surface which is convex to the front of the objective, i.e. the side of the longer conjugate. As shown, an objective of magnification X 50 has its optical stop position X between the'doublet components of the front member, the radii of curvature of the front surface of the front doublet of which, and the rear surface of the rear doublet of which, lie between 0.25f and 0.5f, where f is the equivalent focal length of the objective. The refractive indices of the two glasses constituting each doublet of the rear member differ by more than 0.1, while the radii R11 and R8 of each internal surface is not less than 0.5f. Specifications 444,350 and 550,870 are referred to.
Patent GB-306156-A (GB)
Title: Improvements in or relating to list-printing mechanism
IPC: B41J15/16
Filed: 1929-02-16
Abstract: 306,156. British Tabulating Machine Co., Ltd., (Assignees of Carroll, F. M.). Feb. 17, 1928, [Convention date]. Delivery apparatus.-In statistical or other machines for automatically printing a list on a web, means of the following character is provided for cutting the web into sheets and stacking the sheets. Webs 23, 24, Fig. 3, on emerging from feed-rollers 22 are guided between stationary and movable knives 144, 145 and drop on to a grid 146, whereupon rollers 150 on swinging arms 149 press the webs into contact with the grid, the knife 145 is operated, and the severed sheets fall on to a grid 152. The grid 146 consists of a number of circular wires having vertical ends 151, which form stops for the leading end of the webs. The arms 149 are secured to a shaft 148, a disc 154, Fig. 4, on the shaft carrying a pawl 155 co-operating with a ratchet-wheel 153 secured to a continuously rotating pinion 27. During each cycle, an arm 15S. rocked by a plate 127 on a ratchet-wheel 123 releases a latch 156, and the pawl 155 engages the ratchet-wheel thereby causing the arms 149 to swing over. After the required movement of the arms, a pin 161 releases the pawl 155, and the arms are returned by means of a coiled spring on the shaft 148. Springs 139 on the arms engage a bar 147 to cushion the arms at the end of the return movement. Interference between the stacked sheets and the rollers 150 during the return movement of the rollers is prevented by means of spring fingers 163 which are moved into contact with the stack by means of a roller mounted on one of the arms 149 and co-operating with an arm 166 on a shaft 164 to which the fingers are secured. The arm is retained by means of a lever 169, which is moved by a spring 165 into engagement with a lug 170 on the arm. The latch is released by means of a cam on the shaft 148 and the arm is returned by the spring 165. The knife 145 is carried by rocking arms 171 connected to a bellcrank 174 engaging a cam 175 on the shaft 148.
Patent GB-1384634-A (GB)
Title: Pressure sensitive labels
Inventor: BOLDUC WILLIAM J JR
IPC: G09F3/02
Filed: 1972-02-04
Abstract: 1384634 Coated electrographic recording sheet AVERY PRODUCTS CORP 4 Feb 1972 [8 Feb 1971] 5295/72 Heading B2E [Also in Division G2] An electrographic recording sheet for pressure-sensitive labels and label stock comprises in order a layer of insulative or photoconductive material, a support, a pressure-sensitive adhesive layer, and a detachable backing liner having a release coating, the liner comprising a paper base including at least 1.2 g.m<SP>-2</SP> of an electroconductive agent. In use the backing liner has a paper moisture content of from 2 to 12 wt%. The insulative material may be paper while the photoconductive material may be ZnO in resin. The support is paper, a polyolefin or a polyester. The adhesive is a copoly-styrene-butadiene optionally incorporating graphite or metal powder. The backing liner is paper coated with polymethyl siloxane, the paper being coated on one or both sides or incorporating a polyvinylbenzene quaternary ammonium salt or other conductive polymer.
Patent GB-695855-A (GB)
Title: Improvements in or relating to dust or moisture seals for shaft bearings
IPC: F16C33/78
Filed: 1952-02-29
Abstract: 695,855. Shaft seals. WESTINGHOUSE ELECTRIC INTERNATIONAL CO. Feb. 29, 1952 [March 26, 1951], No. 5344/52. Class 122(v) A rotary shaft bearing assembly seal comprises an annular member 8 of resilient material having a hub 9 adapted to engage the shaft and a radial flange 11, the hub having an axially tapered bore 10 whereby, when the hub engages the shaft, the flange is slightly -cupped and its outer periphery engages a stationary part of the bearing assembly. The flange 11 is tapered radially towards its outer periphery.
Patent GB-1084455-A (GB)
Title: Automatic tool control apparatus
Inventor: LESHER HOWARD DOUGLAS
IPC: G05B19/416
Filed: 1965-02-08
Abstract: 1,084,455. Drilling. NORTH AMERICAN AVIATION Inc. Feb. 8, 1965, No. 5384/65. Heading B3C. [Also in Division G3] In a control system for a drill, rotational speed is automatically increased and decreased with decrease and increase in measured torque load on the tool and feed rate is automatically increased and decreased with increase and decrease in rotational speed. In Fig. 8, a drill spindle is rotated by an electric motor 18 and the torque is maintained constant during drilling by a system (see Division G3) automatically controlling the speed of motor 18 in dependence on signals from electrical transducers 28 detecting twist, and hence torque, in a replaceable torsion bar 20 transmitting the drive. A disc 60 perforated with holes and controlling the light transmitted to a number of photocells, produces signals of different frequencies, one of which is selected by a push-button unit to control stepping motors 46A, 46B driving a lead screw 44 to feed the drill into the work at a speed related to the rotary speed of the drill. Should the drill become clogged or worn, undue decrease in speed due to the increase in torque is detected by a tachometer or the photo-cells to cause operation of an hydraulic ram 202 to withdraw the drill from the work, whereupon it speeds up and clears itself by centrifugal action. Motors 46A, 46B are also reversed for a short period so that when, immediately afterwards, the drill is reinserted, it is not initially forced to the bottom of the hole. If the fall in speed is due to wear, the drill is withdrawn and reinserted repeatedly without effect, but this draws the attention of an operator who replaces the drill. A limit switch operates to withdraw the drill when a desired drilling depth has been attained. An electromagnetic clutch 210 may be engaged instead of clutch 212 to speed up the initial advance and final withdrawal of the drill.
Patent GB-158462-A (GB)
Title: Improvements in electric fusible cut-outs having replacement devices
IPC: H01H85/26
Filed: 1920-02-23
Abstract: 158,462. Davies, P. Feb. 23, 1920. Fusible cut-outs.-A replacement fuse can only be loaded with a specially-constructed spoolholder containing the correct fuse-wire. Rupture of the fuse is indicated on the exterior of the device. The spool-box 47 has curved arms 50 fitting a chamber having a projection .54 which prevents any spool-holder not having an appropriate notch 53 from being inserted. The wire is lightly held by members 51, 52 on the arms 50. A rotatable block 23 carries spring-controlled contact plungers 38 operated in turn by a cam 21 in the base to grip the wire and draw it off the spool and also making contact with fixed terminals 22, Fig. 5. The block 23 is mounted on a fixed spindle 27 and is operated against a spiral spring 45 by a handle 5 having an integral indicating pointer 12. The cover is so formed as to limit the motion of the handle to oscillation over half a circle. The spiral spring 45 returns the handle to the position for re-loading immediately the fuse blows, the pointer moving with it and indicating this. In Fig. 3 the fuse is shown set. A lever plate 31 carried on the handle 5 is pressed by the spiral spring 45 against the uppermost of two stop members 30 arranged to slide transversely across the block 23. The fuse wire 42, stretched between the plungers 38, holds this upper stop member in contact with a fixed pin 34 whilst the lower stop member engages a rack 17 to present anti-clockwise movement of the block 23. On the fusing of the wire the upper stop member is pushed by an internal spring 29 free of the stop 34 and of the lever-plate 31. The latter flies back with the handle and indicator and snaps over the uppermost of two stops 44 fixed on the face of the block 23. When the handle is turned clockwise to insert a new fuse the lever plate 31 thus turns the block 23, the wire is drawn off the spool, the upper stop member 30 traverses the rack 17 to prevent retrograde movement, and, as the block takes up its new position, the wire 42 thrusts back the other stop member 30 into engagement with the stop 34. As the lower plunger leaves its terminal contact at the commencement of, this movement the loose piece of wire is released and falls through an opening 43 in the cover; the arm 21 causes this plunger to grip the wire before it comes into engagement with the upper terminal contact. The device has a two-part cover, the upper part being secured by a milled nut 3 on the spool spindle, and the lower part 4 by screws and lugs.
Patent GB-1394406-A (GB)
Title: Light-current electrical installation for remote-control of electrical power circuits
IPC: H01B7/08
Filed: 1973-02-02
Abstract: 1394406 Flat conductors SIEMENS AG 2 Feb 1973 [5 Feb 1972 30 June 1972] 5436/73 Heading H1A [Also in Division H2] A flat conductor used in an electrical installation comprises strips 12 of electrically conductive foil attached to a transparent plastic strip 11, the strip 11 being provided with an adhesive backing 13 by means of which the conductor may be secured to a flat surface such as a wall. In another embodiment the conductive strip may be U-shaped as at 14 in Fig. 6 and is secured to the edges of the plastic strip 11. In yet another embodiment, Fig. 7, the conductive strips may be secured to both surfaces of the plastic strip 11 as shown at 15, 16.
Patent GB-822440-A (GB)
Title: A method for producing wood pulp
IPC: D21B1/02
Filed: 1958-02-19
Abstract: 822,440. Preparation of wood pulp. BAUER BROS. CO. Feb. 19, 1958 [March 7, 1957], No. 5445/58. Drawings to Specification. Class 96. In the production of wood pulp by mechanical or by chemi-mechanical methods, the raw wood is chipped, refined in one or more stages using rotating, abrading discs, the refined material is screened, and passed through one or more centrifugal cleaners. In one form, the rejects from screening are returned for further treatment in the second of two refiners, rejects from the centrifugal cleaner going to waste. In other forms, the chips are subjected to, e.g., sodium sulphite solution at 100 lb. per sq. inch hydrostatic pressure, after which they are drained &c. with the aid of a bin having a perforated metal bottom with conveyers for moving the chips, which then pass through a continuous screw-press before being refined &c.
Patent GB-1219362-A (GB)
Title: A process for the production of enzymes
Inventor: ZICKRICK KARL
IPC: C12N9/54
Filed: 1968-02-02
Abstract: 1,219,362. Protease; bacterial rennet. FORSCHUNGSINSTITUT FUER DIE GAERUNGSINDUSTRIE ENZYMOLOGIE UND TECHNISCHE MIKROBIOLOGIE. 2 Feb., 1968, No. 5447/68. Heading C3H. A process for the biochemical production of a proteolytically active enzyme comprises preparing an inoculation serum of an enzymeforming bacterium of the Mesenterious-Subtilis group in a nutrient medium and production of the enzyme in a production medium inoculated with the nutrient medium containing the enzyme-forming bacterium, the nutrient medium comprising skimmed fresh milk. The production medium may also include skimmed fresh milk in which case a mildly proteolytic milkcurdling enzyme is produced, or may comprise other carbon and nitrogen sources only in which case a more strongly proteolytic enzyme is produced.
Patent GB-753464-A (GB)
Title: Improvements in or relating to liquid fuel burners
IPC: F23D11/10
Filed: 1953-02-27
Abstract: 753,464. Spray burners. RUDLING, F. J. March 1, 1954 [Feb. 27, 1953], No. 5548/53. Class 75(1). In a liquid fuel burner primary air is supplied to a conical passage around a fuel jet B so as to impinge on the fuel from all sides, the fuel and air then flowing through a throat C<SP>3</SP> at the apex of the conical air passage into a mixing chamber C<SP>4</SP> from which the mixture flows to a combustion jet E and means are provided for rotating secondary air fed into a second conical passage surrounding the combustion jet E. The first conical air passage is formed between a conical end portion of the fuel jet B and a conical surface C<SP>2</SP> on an intermediate member C screwed on to a body A carrying the fuel jet B and containing conduits A<SP>1</SP>, A<SP>2</SP> supplying air and fuel. The conduit A<SP>1</SP> may include a needle valve for controlling the air. The second conical air passage is formed between the combustion jet E and a coned internal surface on an end cap D screwed on to the intermediate member C. The secondary air is controlled by adjustment of the end cap D on the combustion jet E. The intermediate member C contains the throat C<SP>3</SP> and the mixing chamber C<SP>4</SP> and carries the combustion jet E. The secondary air passes from the first conical air passage through four passages I in the intermediate member to an end chamber D<SP>2</SP> formed by the end cap D and communicating with the second conical air passage, the end parts of the passages I being inclined to the axis of the combustion jet to cause the air to rotate. In a modification the secondary air is rotated by passing through inclined grooves in a ring mounted on the intermediate member. Specification 635,788 is referred to.
Patent GB-537536-A (GB)
Title: Improvements in absorption refrigerating systems
IPC: F25B15/00
Filed: 1940-03-28
Abstract: 537,536. Refrigerating. ELECTROLUX, Ltd. March 28, 1940, No. 5604. Convention date, June 21, 1939. Addition to 537,507. [Class 297 Absorption systems. The conduit 19 conveying rich gas mixture from the,gas heat exchanger 18 to the absorber and surrounded in part by a jacket 28 conveying warm weak gas from the absorber, as set forth in the parent Specification, is made discontinuous within the jacket in order that condensation of solution vapour precipitated in the jacket, as well as any liquid from the heat exchanger, may overflow into the lower part 19a of the conduit 19. The upper part of the conduit has a widened mouth embracing the lower conduit to form a liquid trap at the bottom of the jacket to separate the gas streams.
Patent GB-1037530-A (GB)
Title: Sliding door or window
IPC: E06B3/46
Filed: 1965-02-09
Abstract: 1,037,530. Sliding doors and windows. E. GOTZ. Feb. 9, 1965 [Feb. 10, 1964; March 26, 1964], No. 5646/65. Heading E1J. A horizontally slidable door or window of the kind in which two or more sashes are flush when the window or door is closed, one of the sashes moving rearwardly and then sliding horizontally behind the other sashes to open the window comprises a locking and swivelling roller combination consisting of peripherally grooved guide rollers 10 with which are associated intersecting guide runner rails 11, 17 with director pins 9 at the intersecting points of the rails 11, 17, at which points the rails have radiused recesses of the depth of the transverse rail 11 so that the rollers can be swivelled in their locking positions from their locking direction parallel to the window into the unlocking direction perpendicular so the window for depthwise movement of the window or door to the rear position shown in broken line, where the rollers can be swivelled again for movement parallel to the other sashes. The rearward movement of the sash is determined by a stop. Sealing around the sash is provided by sealing strips 6. The upper rail of the sash is guided by a pin moving in suitably located grooves in the window frame.