baber/WOPTO huggingface dataset:
Patent GB-769975-A (GB)
Title: A method of packing goods and a wrapping machine therefor
IPC: B65B9/00
Filed: 1955-05-10
Abstract: 769,975. Making, filling and closing bags. FORSBERG, K. V. May 10, 1955 [May 20, 1954], No. 13468/55. Class 94(1). A machine packs goods in sealed flat bags by forming a transverse fold in a web, clamping the opposite open ends of the doubled portion of the web to form a pocket, filling the pocket, cutting the pocket from the web and sealing its three open sides. The web 10 is fed forward by intermittently operated rollers 14, 15 and its leading end is gripped between fingers 49 and a plate 50. A rule 64 is carried downwardly by chains 67 at one half the speed of the web feed and forms the fold 65. The rule is returned by a "roller blind " spring arrangement 78, and clamps 79 engage each open end of the folded material to form the pocket. The clamps are raised a short distance, and the pair at one side are moved towards the opposite pair to open the mouth of the pocket. A filling funnel 107 having an openable shutter 117 descends to enter the pocket mouth, a stop 128 then engaging trip means permitting a spring 121 to open the shutter and discharge the contents into the pocket. The funnel withdraws and a further stop 125 closes the shutter and resets the trip means through a rod 122. A knife 47 separates the filled pocket from the web and plates 134, which may be heated if the web is heat sealable, seal the sides and open top of the pocket to form the completed packet. The sealing surfaces of the plates may be coated with a material to which adhesive &c. will not adhere such as " Teflon " (Registered Trade Mark). The packet is released to fall through a shoot 147. If desired, the web may have a paper, &c. backing 150 secured to it and supplied from a roll 148. The machine is adjustable to form various sizes of package.
Patent GB-458012-A (GB)
Title: Collapsible umbrella or the like
IPC: A45B19/04
Filed: 1936-05-12
Abstract: 458,012. Umbrellas. HAGENBUCHER, M. BERNHARD-, 54, Florastrasse, Zurich, Switzerland. May 12, 1936, No. 13476. [Class 134] An umbrella or parasol comprises telescopic stick sections 1, 2, 3 and telescopic rib sections 12, 13, 14 wherein a folding doublearmed support 15, 16 is secured to the outer sections of each rib, is connected to the middle section 13 by pivoted stays 18, 19, and serves to carry the cover and to extend or collapse the rib. A plate 9, provided with a groove in which the cover is secured, is rotatably mounted on the stick. Telescopic members 4, 5 are adapted to be rotated by the plate 9 in order that discs 6 thereon may engage with grooves in the stick sections to lock the stick in the extended position. A spring rotates the plate 9 to its original position. Stretchers 20 are pivoted to one end of the rib section 13 and to the runner 23 provided with the usual locking means. Each rib is pivoted to a member 8 through a head 22 to which is pivoted a strap 21 the other end of which slides on the member 16. The straps 21 are held by the plate 9 against the member 8. When the plate is rotated the straps can move in grooves 11 in the plate 9 to allow the members 15, 16 to rotate to expand the ribs. To open the umbrella, the handle which normally houses the cover is withdrawn and locked by a pawl 25 ; the plate 9 is then rotated and the stick and ribs expanded. The plate 9 is then allowed to return to its original position to lock the stick and ribs in their extended position. The runner may then be operated in the usual manner to open the umbrella. The rib elements may also be secured in the extended position by catches on the hinges 17 or in the heads 22.
Patent GB-851931-A (GB)
Title: Recovery of polymers from solution
Filed: 1957-04-29
Abstract: Low pressure - produced polyolefins are recovered from hydrocarbon solutions thereof by dispersing the polymer solution in a diluent hydrocarbon, maintained at at least 90 DEG F. and supplying sufficient diluent to establish a diluent-solution ratio so that the resulting mix temperature is below the precipitation temperature of the polymer and then recovering the precipitated polymer.  Specified olefins are ethylene, propylene, 1-butene, 1-pentene, 1-hexene, 1-octene, 4-methyl-1- pentene, 4-methyl-1-hexene, 5-ethyl-1-hexene, 6-methyl-1-heptene and 6-ethyl-1-hexene.  Specified solvents are propane, isobutane, n-pentane, isopentane, iso-octane, cyclohexane and methylcyclohexane.  The concentration of polymer in solution may be within the range 2 to 8% and the ratio of diluent to solution in the range 1 to 5 volumes of diluent per volume of solution. The solution may be introduced at high velocity and finely subdivided, e.g. as a spray, directly into the diluent.  Apparatus for carrying out the process is described.  Specifications 790,195 and 804,641 are referred to.
Patent GB-495113-A (GB)
Title: Anticryptogamic product adapted to generate colloidal sulphur in statu nascendi
IPC: A01N59/02
Filed: 1937-05-13
Abstract: A composition for use in combating cryptogamic infestations comprises solid sulphur-containing compounds in admixture with solid acid compounds adapted to decompose the sulphur-containing compounds with formation of nascent sulphur.  Suitable sulphur-containing compounds are polysulphides and thiosulphates separately or in admixture. Suitable acid compounds are citric, tannic, benzoic, tartaric or boric acids or acid salts such as acid sulphates.  Protective colloids may be added to keep the generated sulphur in suspension. The composition may be mixed with copper salts and in this instance it is necessary to avoid the formation of sulphuretted hydrogen.  For this purpose acid copper salts may be employed as the acid ingredient or acid salts of chromic acid, oxidizing agents such as chlorates or perchlorates or salts of metals having yellow or white sulphides, e.g. of zinc or cadmium, or substances evolving sulphur dioxide, e.g. sulphites, bisulphites, and thiosulphates may be employed. The compositions may also be modified by the addition of basic substance. Reference has been directed by the Comptroller to Specification 422,856.ALSO:A composition for use in combating cryptogamic infestations comprises solid sulphur-containing compounds in admixture with solid acid compounds adapted to decompose the sulphur-containing compounds with formation of nascent sulphur. Suitable sulphur - containing compounds are polysulphides and thiosulphates separately or in admixture.  Suitable acid compounds are citric, tannic, benzoic, tartaric, or boric acids or acid salts such as acid sulphates.  Protective colloids may be added to keep the generated sulphur in suspension.  The composition may be mixed with copper salts and in this instance it is necessary to avoid the formation of sulphuretted hydrogen.  For this purpose acid copper salts may be employed as the acid ingredient; or acid salts of chromic acid, oxidizing agents such as chlorates or perchlorates or salts of metals having yellow or white sulphides, e.g. of zinc or cadmium, or substances evolving sulphur dioxide, e.g. sulphites, bisulphites, and thiosulphates may be employed. The compositions may also be modified by the addition of basic substances.  Reference has been directed by the Comptroller to Specification 422,856.
Patent GB-1008360-A (GB)
Title: Improvements in electric switch-actuating mechanisms
IPC: H01H13/50
Filed: 1962-04-09
Abstract: 1,008,360. Momentary - contact switches. HONEYWELL Inc. April 9, 1962 [April 10, 1961], No. 13661/62. Heading H2B. Actuating mechanism for pulse-type operation of a snap-action switch 14 mounted in a housing 10 comprises a plunger 17 having a camming nose 17a which engages a roller on a pin 42 at the end of a lever 32 to depress the lever 32 about its pivot 35 against action of a spring 40. A two-armed lever 33 is also pivoted on pin 42 and urged by a spring 45 to the position shown. When lever 32 is depressed by the plunger 17 one arm 33a of lever 33 engages the end of another lever 31 pivoted at 35 and forces a spring 36 thereon to operate the actuating button 22 of switch 14. The end 36b of spring 36 is not secured to lever 31 and allows for over-travel (Fig. 2, not shown) during which the other arm 33b of lever 33 engages an abutment 34a on a strip 34. This pivots lever 33 against its spring 45 and causes arm 33a to slip off the lever 31, which then allows switch 14 to restore. The time for which switch 14 is operated may be set by adjustment of the position of abutment 34a by means of a screw 46. In a modification (Fig. 3, not shown) the abutment comprises a rotatable eccentric instead of strip 34.
Patent GB-1141572-A (GB)
Title: Improvements in or relating to apparatus for magnetically recording a television signal
IPC: H04N5/921
Filed: 1967-03-23
Abstract: 1,141,572. Television signal recording. PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd. 23 March, 1967 [26 March, 1966], No. 13665/67. Heading H4F. In an arrangement for magnetically recording a television signal a the synchronizing component b is separated from the remainder c and utilized to generate a delayed signal e which when added to the synchronizing component f and then combined with the remainder c produces a final signal g in which a portion 27 of the back porch reference signal 24 (black) is brought to a level such that the current flowing in the magnetic recording head during such portion is substantially zero. The arrangement illustrated is based on a signal with a peakto-peak amplitude of 20 volts and a synchronizing component of 6 volts amplitude. The invention has the advantage that the level 27 the signal when reproduced from the recording is independent of the magnetic properties of the record medium and may constitute an accurate level for clamping purposes. In apparatus for carrying out the invention, Fig. 1 (not shown), the separated synchronizing pulses 25 trigger an astable multivibrator which triggers a monostable multivibrator to produce pulses d and these in turn trigger a second monostable multivibrator to produce pulses e. Pulses b and e are combined by a diode matrix to establish the combination f and this is then added to signal c in a resistance matrix to produce final signal g. A transistor amplifier by which this final signal is applied to the recording head includes a level setting diode in its input circuit and an adjustable collector load whereby fine adjustment may be made to bring the head current to zero. The astable multivibrator may be eliminated unless it is desired to prevent production of pulses 27 by equalizing pulses. By adjustment of the durations # 1  and # 2 of pulses 26 and 27 sufficient room may be left on the back porch (if necessary by shortening the synchronizing pulse) to accommodate additional signals, such as a colour synchronizing " burst " or sound signal. Alternatively pulses 27 may cover the whole of the back porch and any additional signals may occupy part of pulses 27. In a modified way of carrying out the invention, pulses 27 are dispensed with and a sufficient level of direct current is added to the signal to bring the recording head current to zero during the back porch intervals.
Patent GB-904296-A (GB)
Title: A new or improved shredding apparatus
IPC: B02C13/284
Filed: 1961-04-17
Abstract: 904,296. Shredding apparatus. GONTIER, G. V. April 17, 1961 [April 22, 1960], No. 13753/61. Class 59. Shredding apparatus comprises a rotor provided with pivoted hammers 14 co-operable with a set of screen members 16 comprising parallel spaced intermediate portions and end extensions 22 secured to end walls 7, 7<SP>1</SP> of a casing 1, and combing means 17 the fingers 18 of which project through the spaces between the members 16, the means 17 being reciprocable parallel to the members 16 for clearing the spaces therebetween of any materials caught therein and discharging such materials through discharge apertures 25, 25<SP>1</SP> in the end walls of the casing. Each hammer is provided with two pivot orifices 15 so as to be reversible. The extensions 22 may be integral with or welded to the intermediate portions of the screen members and may be perpendicular thereto.
Patent GB-594993-A (GB)
Title: Improvements in or relating to machines adapted for seaming together two workpieces by use of a high frequency electric field
IPC: B29C65/00
Filed: 1945-04-09
Abstract: 594,993. Lasting machines for boots &c. BRITISH UNITED SHOE MACHINERY CO., Ltd. (United Shoe Machinery Corporation). April 9, 1945, No. 13870/47. Divided out of 594,985 under which a Specification was laid open to inspection under Sect. 91 of the Acts, Oct. 13, 1945. [Class 17 (i)] The machine described in Specification 283,978, [Class 17 (i)], is modified to seam together two work pieces, in particular the upper and insole parts of a shoe, by pressing these parts into adhering relation between work supporting and presser members, e.g., as in a side lasting operation, toe-end lasting operations being preferably performed as in Specification 594,985. For this purpose, the staple-forming and driving mechanisms of that machine are omitted and 'the work-supporting member 42, which is urged resiliently against the inside of the insole lip or rib, and the presser member 46, which is mounted on and insulated from the operating slide 48, are connected to opposite sides of a generator of high-frequency electric current. The slide 48 is moved continuously to and from the member 42 by treadlecontrolled power-operated means as the work is fed past 'the locality of operation of the presser member 46 to seam the parts together in a progressive manner.' A gripping device 44 operating in 'time relation to the movement of the presser member 46 grips the work when it is not pressed between the members 42, 46 to feed a marginal part to a position for operation of the presser member 46. When the machine is at rest the jaws of the gripper 44 are open and the member 46 is out of contact with the work topermit removal and insertion of the work pieces. Specifications 555,054 and 572,443, [both in Group XI], also are referred to.
Patent GB-238978-A (GB)
Title: Improved construction of snap hook, adaptable as a wheel lock for a baby carriage
IPC: B62B9/08
Filed: 1924-06-10
Abstract: 238,978. Robathan, E. O. June 10, 1924. Addition to 217,722. Hooks. - The parent Specification describes a snap-hook of the type having two crossed arms which are pivoted together at one end and are pressed together to open the hook members against the action of a spring disposed around the pivot. According to the present invention a striplike member e is riveted at e<2> to one arm a and is cranked to enclose the arm c forming a support therefor. The free end of the strip e is bent upon itself to enclose the pivoted ends of the arms a, c and to form an attaching link e<6> for the hook.
Patent GB-378470-A (GB)
Title: Improvements in the construction of carburetters
IPC: F02M17/36
Filed: 1931-05-12
Abstract: 378,470. Spray carburetters. MATHIEU, E., 25 bis, Rue du Chateau, Neuilly-sur-Seine, France. May 12, 1931, No. 14085. Convention date, May 14, 1930. [Class 7 (iii).] A carburetter is divided into two parts along the line a .. d, one part, comprising the float chamber 12, slowrunning, and main nozzles 14, 16, being easily detachable by removing a pin 20, which is slightly cranked, passes through eccentric holes in the two parts, and is released by rotation through 180‹. The other part comprises a mixture passage 3, a flange 5 to which an air preheater or purifier may be attached, and a petrol passage 10. The Specification as open to inspection under Sect. 91 (3) (a) comprises also a fuel needle valve 30 which is operated from the float 35 through a push piece 36 having a cup-shaped head. The float is pivoted on a rod 27 mounted in slots 28 in the part 2 ; the ends of the rod 27 may be bent through 90‹ and arranged to fill the grooves 28, thus rigidly fixing the rod when the parts of the carburetter are clamped together. This subject-matter does not appear in the Specification as accepted.
Patent GB-961888-A (GB)
Title: Semi-conductor rectifying elements
Inventor: LANGRIDGE ARTHUR
IPC: H01L27/00
Filed: 1962-04-12
Abstract: 961,888. Semi-conductor rectifiers. WESTINGHOUSE BRAKE & SIGNAL CO. Ltd. March 11, 1963 [April 12, 1962], No. 14162/62. Heading H1K. In a semi-conductor rectifier alternate PN junctions are formed by masking N-type silicon and diffusing boron into the unmasked portions, each alternate junction then being short circuited by the deposition over it by a second masking operation of metallic contacts 5, Fig. 2 (e.g. of gold or aluminium) so as to form a plurality of series connected PN junctions. These processes are performed on a mass of N- type silicon which is then divided into smaller elements each then mounted on a strip of ceramic 6, Fig. 4, mounted in turn on a strip of molybdenum 7 welded to an enclosing metal case 8. The case and strip 7 provide cooling and encapsulation is completed by glass seals 10. As well as contacts at the ends of the element to leads 9, connection may also be made to one of the intermediate contacts 5 to form two elements of a bridge rectifier within the same case.
Patent GB-711667-A (GB)
Title: Rotary fans
Inventor: ODD RICHARD SIDNEY
IPC: F04D25/16
Filed: 1952-06-05
Abstract: 711,667. Centrifugal and screw fans. WILMOTBREEDEN, Ltd. April 14, 1953 [June 5, 1952], No. 14188/52. Class 110(1) A fan of the kind used in vehicle-engine cooling systems comprises a hollow central boss a from which extend hollow blades d, a cylindrical rim e secured at or adjacent to the outer ends of the blades, and a stationary annular housing f associated with the rim, the arrangement being such that in addition to the normal axial air flow between the blades, there can be induced a radial air flow through the blades from the boss to the housing, whence it can be conducted to the interior of the vehicle or the windscreen for warming or the prevention of misting or icing. The inner ends of the blades are shaped as shown to scoop the air into the blades. The boss a is attached to a driving pulley c. A ring i may be provided for attachment of the housing f to the radiator.
Patent GB-596371-A (GB)
Title: Improvements in or relating to transmission gearing
IPC: B64C27/00
Filed: 1944-07-25
Abstract: 596,371. Epicyclic gear. BORG-WARNER CORPORATION. July 25, 1944, No. 14205. Convention date, July 1, 1943. [Class 80(i)] [Also in Group XXXIII] A two-stage epicyclic reduction-gear, between aligned vertical driving and driven shafts 5, 8, driving the sustaining-rotor of a helicopter, is provided with a power takeoff shaft 11, bevel driven from the planetcarrier 53 of the first gear-stage, for driving the stabilising - rotor. The two gear-stages have a common fixed reaction ring-gear 69, the sun 43 of the first stage being driven from the driving shaft 5 through a one-way clutch 47, whilst the sun 54 of the second stage is integral with the carrier 53 of the first stage. The carrier 73 of the second stage is splined to the final driven shaft 8. The gear is lubricated by a pump 20 on the lower end of the driving shaft 5, which draws oil through a filter 18 from a sump 17 and feeds it to the hollow shafts 5, 8, which have radial ports supplying the gears. A closure-plug 85 in the driven shaft 8 limits the oil-level therein.
Patent GB-1097426-A (GB)
Title: Servo mechanism
Inventor: FLOYD JAMES CHARLES
IPC: G05D3/14
Filed: 1965-04-02
Abstract: 1,097,426. Photo-electric following arrangement. J. C. FLOYD. Nov. 18, 1965 [April 2, 1965], No. 14206/65. Heading G1A. In a servomechanism for turning a slave mechanism, platform 3 and a transparent capsule 25 Fig. 2 (not shown) and an output device in accordance with the angular displacement of an instrument such as a compass comprising a card (1) mounted on the needle (20), illuminated by a source (6) on one side, and having two photo-cells 4, 5 on the other, the photo-cells are mounted on the platform 3 together with a pair of amplifiers 14, 15 and the card is cut or slotted so that positional disagreement with the slave mechanism illuminates one only of the photo-cells to operate a corresponding relay and thus drive a motor 12 which effects realignment and drives the output device through a flexible drive 26, the realignment causing the card to cut off light from or admit light to both photo-cells. Suitable card shapes are described with reference to Figs. 3-6 (not shown) and the use of two light sources is referred to. Circuitry in which two phototransistors control the conductivity of two further transistors in series with relays is described with reference to Fig. 7 (not shown) and motor reversing circuits are described with reference to Figs. 8 and 9 (not shown).
Patent GB-491041-A (GB)
Title: Improved means for varying the pitch of propellor blades, especially aircraft propellor blades
IPC: B64C11/38
Filed: 1937-09-29
Abstract: 491,041. Screw propellers. FAIREY AVIATION CO., Ltd., FORSYTH, A. G., and PERT, G. J. SMITH-. Sept. 29, 1937, No. 14399. [Class 114] In variable pitch screw propellers the blades of which are actuated by a reversible fluid operated motor of the continuouslv rotatable type are provided with stops for setting the maximum and minimum pitch values for the propeller blades. In particular, the irreversible worm gearing on the blade roots is extended and threaded to co-operate with nuts arranged to act upon the valves in pipe connections of the fluid operated motor. The hydraulic motor 63 has a worm 61 on its shaft which gears with worms on shafts 57, the upper ends of which have bevel wheels 56 gearing with bevel wheels 55 on the shaft which carries the worm wheel 53 operating a corresponding worm on the blade root. This shaft is extended and threaded at 86 and carries a nut 87 having bevelled faces at its flat ends. These are adapted to contact in their end positions with the stem 90 of a relief valve 83 in the hydraulic circuit whereby the pitch changing mechanism is rendered inoperative. Nut 87 may be adjusted through an opening 89 on removal of the closure plate 88. The pitch may be controlled automatically by a centrifugal governor which moves a valve controlling the motor pipe lines. The tension of the governor spring may be controlled by a sleeve operated by gearing for adjusting the speed at which the pitch has to be maintained.