baber/WOPTO huggingface dataset:
Patent GB-862176-A (GB)
Title: Improved dual friction clutch
Inventor: FITZPATRICK HUGH JAMES
IPC: F16D21/06
Filed: 1957-10-14
Abstract: 862,176. Friction clutches. MASSEYFERGUSON Inc. Oct. 7, 1958 [Oct. 14, 1957], No. 31969/57. Class 80 (2). A dual friction clutch for driving a transmission shaft 13 and a concentric power takeoff shaft 14 from a common housing 10, 11, 12, has two discs 20, 21 engaged by presser plates 24, 25 connected by a lost-motion connection 31 and a lever 40 fulcrumed on the housing 11 such that movement of the lever 40 first disengages the transmission clutch and then disengages the power take-off clutch. The transmission clutch has the clutch plate 20 engaged between an intermediate housing member 12 and presser plate 24 under the action of a Belleville spring 26 bearing on housing member 11. The power take-off clutch plate 21 is engaged between housing member 10 and presser plate 12 by a series of coil springs bearing on the housing member 11. Movement of a clutch thrust bearing 50 rocks a lever 40, pivoted on housing 11, and through links 43 retracts the presser plate 24 to release the transmission clutch. Further movement of the presser plate 24 allows the taking up of lost motion between the plate and the head of bolt 30 and subsequent movement of the presser plate 25 to release the power .take-off clutch. Cooling passages 60, 61, 62, 63 are provided in the rotating components.
Patent GB-1181029-A (GB)
Title: Hand Portable Container
IPC: B65D25/28
Filed: 1968-07-05
Abstract: 1,181,029. Boxes. GIROPOR S.A.R.L. 5 July, 1968 [27 July, 1967], No. 32090/68. Heading B8P. A moulded box has a strap 2 in the form of a closed loop which has upper portions forming handles 8, side portions traversing passages 7 in the side wall 6 and lower portions extending across the base (9), Fig. 2 (not shown). The box and a lid 3 may be made of expanded polystyrene and the base may be curved inwardly to facilitate stacking.
Patent GB-290124-A (GB)
Title: Improvements in vehicle brake mechanism
IPC: F16D51/50
Filed: 1927-04-12
Abstract: 290,124. Clark, D'A. M., (Bendix Brake Co.). April 12, 1927. Divided on 282,261. Blocks acting on drums; compensating for wear. - Anchoring means for a pair of floating shoes operated by a floating cam 116 comprises a pair of plates 108 on opposite sides of the ends of the shoes and fixed to the brake backing-plate by means of bolts 112. Rollers 106, engaged by the brake-operating cams, are provided on each side of the ends of the shoes, and the pivots 104 of the rollers are extended on each side and adapted to engage notches in the anchoring plates. The pivots 104 are provided with enlarged central portions received in the shoe webs and reinforcing members 102 and engaged by the rollers on each side of the shoe to prevent axial movement. A yielding rest for the shoe comprises washers 80, held by a cotter 82, Fig. 3, on the end of a pin 84, surrounded by a spring 88. A positioning device 90 frictionally clamped to the shoe 60 by a bolt 96, and engaged by washers 92 comprises a slot 94, wider than pin 84 to allow movement of the shoe and the member 90 on application of the brake; if wear of the brake lining has taken place the member 90 is shifted. The shoe 62 is provided with a similar yielding rest 100. The. floating operating cam 116 which is arranged between the plate 108 comprises a pair of stampings formed with large clearance openings for the brake-applying shaft 52 which allows the cam to float about a pivot 121 which connects it by a lever 122 to the shaft 52.
Patent GB-1222782-A (GB)
Title: 0-lower alkyl-3-azetidinols
IPC: C07D263/24
Filed: 1969-06-25
Abstract: 1,222,782. Azetidinols. A. H. ROBINS CO. Inc. 25 June, 1969 [27 June, 1968], No. 32132/69. Heading C2C. Novel 1-alkyl-3-azetidinols of formula where R = Me or Et and hydrochlorides thereof are prepared by: condensing 1,3-dichloro-2- propanol with an aralkyl halide or benzyl halomethyl ether to give a 1,3-dichloro-2-propyl ether which is treated with a lower alkylamine to give a 1-alkyl-3-azetidinyl ether from which the ether group is removed by hydrogenation. Intermediates prepared in the above reaction are: 1,3 - dichloro - 2 - diphenylmethoxypropane, 2 - benzyloxymethoxy - 1,3 - dichloropropane, 1- methyl - 3 - diphenylmethoxyazetidine, 1 -ethyl - 3 - diphenylmethoxyazetidine and 3 - benzyloxymethoxy-1-methylazetidine. 1 - Methyl - 3 - azetidinol hydrochloride is treated with phosgene to give 5-chloromethyl-3- methyl-2-oxazolidinone which is then reacted with guaiacol to give 5 - (o - methoxyphenoxymethyl)-3-methyl-2-oxazolidinone.
Patent GB-634483-A (GB)
Title: Improvements in and relating to submarine cable repeater housings
IPC: H02G15/14
Filed: 1947-12-05
Abstract: 634,483. Cable joints. TELEGRAPH CONSTRUCTION & MAINTENANCE CO., Ltd., and SANDERS, H. R. E. Dec. 5, 1947, No. 32196. [Class 38 (i)] A submarine cable repeater housing comprises rigid tubular elements A, A1, A2, each provided with a detachable female joint component C at one end and a detachable male joint component D at the other, which components engage corresponding components in the contiguous ends of the elements and the male and female components have spherical mating surfaces to limit the angular displacement of the adjacent elements. The components C are screwed at B on to the elements and have threaded thereon the female portions F, of ball-and-socket joints which slide between the surfaces S1, S, on the component D and on the joint male portion E carried by it. The bore of the ball-and-socket joints is less than that of the elements. Alternatively (Fig. 2, not shown), the bore equals or is greater than that of the elements and has a strong internal spring to limit the movement of the ball-andsocket joints. Seals may be provided at the joints to prevent ingress of moisture. To prevent the screwed parts working loose they may be secured by compound or locking washers. Specifications 619,424 and 629,761 are referred to.
Patent GB-748672-A (GB)
Title: Safety switches for rack-mounted electrical equipment
IPC: H02B1/36
Filed: 1953-11-20
Abstract: 748,672. Switchboards. BRIDLE, K. F. Feb. 3, 1955 [Nov. 20, 1953], No. 32205/53. Class 38(5) A safety switch for a rack-mounted unit of electrical equipment has automatic operating mechanism arranged to close the contacts when the unit is installed in the rack and to open the contacts when the unit is withdrawn, and manual operating mechanism for closing and opening the same contacts when the unit has been withdrawn. The safety switch is fixed to the back of the unit (not shown) and when the unit is installed in the rack, a formation 25 mounted on a fixed part of the rack enters between jaws 21 and then forces the jaws and block 20 further into a slot 19 in the switch casing 10 so moving posts 22, 23, cross-piece 24 and contact-carrier 16 to close the contacts 12, 13, 15. The jaws 21 close on to the formation 25 so that when the unit is withdrawn, the formation pulls the jaws 21 and the block 20 outwardly to open the contacts. To close the switch when the unit is withdrawn, a plunger 26 is pulled out causing a lever 28 to turn about a fixed pivot 29 so that a cam formation 30 on the lever engages and moves a pin 33 fixed on the cross-piece 24. This closes the contacts which are then retained closed by the entry of the pin 33 into a notch 34 in the lever. The contacts may be reopened by depressing the plunger 26, but if this has not been done before the unit is reinstalled in the rack, the plunger 26 will come up against a fixed abutment 35 before the completion of the re-installing movement and is partly depressed to permit the contacts to re-open and the block 20 and the jaws 21 to advance towards the formation 25. In the final part of the re-installing movement the switch is re-closed as described above and the plunger 26 is fully depressed.
Patent GB-368256-A (GB)
Title: Improvements in the manufacture and production of vulcanising mixtures
IPC: C08J3/21
Filed: 1930-10-27
Abstract: Compounded mixtures of viscous or semi-solid polymerization product of diolefines and other polymerized hydrocarbons, ready for vulcanization, are prepared by dispersing the unpolymerized hydrocarbon in a liquid in which it is insoluble (e.g. water), then polymerizing, and after polymerization is complete incorporating the sulphur, fillers, accelerators, &c. with the colloidal dispersion, and finally precipitating the whole in known manner such as by electrophoresis or preferably by the addition of an acid coagulant. The above process is particularly suitable for the addition of voluminous fillers like carbon black.  Natural rubber latex may also be added.  In an example 2000 parts of a liquid containing 10 per cent by weight of polymerized butadiene and 2 per cent of ammonium oleate has added to it during fifteen minutes stirring, 4 parts sulphur, 8 parts di-cyclohexylamine-di-cyclohexylamine dithiocarbamate, and 140 parts of American gas black.  The dispersion is then precipitated with acetic acid, and the product washed and dried at a temperature not exceeding 100 DEG  C.  Specifications 284,244, 315,916, 318,562, [all in Class 70, Indiarubber &c.], and 345,239, [Group IV], are referred to.
Patent GB-406096-A (GB)
Title: Improvements in or relating to lasts
IPC: A43D3/02
Filed: 1932-11-15
Abstract: 406,096. Lasts. TULL, W. H. S., 35, Palace Road, Streatham Hill, London. Nov. 15, 1932, No. 32320. [Class 17 (i).] Relates to lasts obliquely split from the sole in a forward direction which on co-operable flat and straight faces form co-operable abutment surfaces in the length of the split, and consists in a construction which allows the heel part to be entered into the shoe, after the fore-part has been positioned, without straining the edges of a court shoe, the base of the heel part entering the shoe opening well forward of the rear of the opening. The heel portion is so connected to the toe portion that its forward part can be tilted upwardly, and manually operable mechanical means are provided to cause the heel portion to tilt and slide progressively on the other portion while assuming its extended or contracted position. The last is split obliquely at angle of about 26 degrees to the base of the shoe for which it is designed, the split being stepped at right angles to the split. To draw together or force apart, in the extension or contraction, respectively, of the last, a screwed spindle 9 with a squared end, restrained from axial movement by pins 13, in the forward portion of the heel part, co-operates with a screwed sleeve 8 pivoted on a pin 5 also engaging a slot 7 in a link 3 pivoted at 4 to the heel part.
Patent GB-412109-A (GB)
Title: Improvements in or relating to valves for controlling the flow of gas to and from gas purifiers or the like
IPC: F16K11/074
Filed: 1933-11-20
Abstract: 412,109. Gas purifier valves. WALKER, Ltd., C. & W., Midland Iron Works, Donnington, and BEARD, G. F. H., Muxton House, both near Wellington, Shropshire. Nov. 20, 1933, No. 32348. [Class 55 (ii).] For varying the sequence of flow of gas through a succession of purifiers having a multiway valve at inlet and outlet, the valve comprises a body part 25-26 with inlets 30, 31 and outlets 32, 33 and a movable valve element consisting of circular discs 36, 37 having corresponding ports 30<a>, 32<a> respectively so that gas entering by either inlet flows to either outlet according to the relative positions of the discs. Each of the discs 36, 37 is rotatable upon a common spindle 35 by separate actuating means consisting of a pinion 46 meshing with an annular rack 47 on the disc, the pinion being mounted on a stem 44 provided with a handwheel 43.
Patent GB-1472950-A (GB)
Title: Inflatable escape slide raft
IPC: B64D25/14
Filed: 1974-07-23
Abstract: 1472950 Emergency escape shoots BF GOODRICH CO 23 July 1974 32546/74 Heading B7J An inflatable escape shoot for an aircraft which may also be used as a life raft comprises an inflatable lower section made up of longitudinal tubes 20 interconnected by transverse tubes 26, 27, 29 and 31, an inflatable upper section comprising longitudinal tubes 14 interconnected by transverse tubes 17, 45 and 15, the upper and lower sections being secured to each other with a sheet 12 therebetween providing the base of the shoot, detachable means 52 for attaching the shoot to an aircraft 53, and pressurized gas means 39 on the underside of the shoot or a separate pump mountable on the aircraft for inflating the shoot through aspirators 41 and chamber 35. The chamber 35 communicates with the upper and lower sections through separate one-way valves and is collapsed by the aspirators after the shoot has been fully inflated so as to protect said one-way valves. Cables 43 attached to the underside of the shoot, pass over struts 21 so as to impart rigidity to the structure. The transverse tube 45 communicates with the remainder of the upper section through a valve 48 and conduit 47. Valve 48 may be opened to inflate the tube 45 if the shoot is subsequently used as a life raft.
Patent GB-928645-A (GB)
Title: Improvements in or relating to electromagnetic vibratory switches
IPC: H01H51/28
Filed: 1959-09-24
Abstract: 928,645. Electromagnetic interrupters. GENERAL PRECISION Inc. Sept. 24, 1959 [Oct. 1, 1958], No. 32559/59. Class 38 (5). An electromagnetic vibrator, particularly  for use with an amplifier, has its contacts and leads, as distinct from the armature, surrounded by a non-magnetic conducting body to shield them from induced " noise " voltages. Six mercury-wetted contact devices 11 to 16 similar to those disclosed in Specification 756,119 are inserted in bores 18... 23 in a non-magnetic conducting body 17 so that the conductors 34, 35, 38, 39 and contacts are encircled thereby. The moving bridging contact of each device is insulated from and carried by an armature 40. The armature end of the devices 11 ... 16 is surrounded by an energizing coil 24 within a magnetic casing 27 having holes to receive the devices 11 ... 16 and filled with wax 29. Each of the bores 18 . . . 23 may be lined with a high-permeability cylinder 52 . . . 57 to act as an additional shield. The vibrator is enclosed in a case 28 of magnetic material. The coil leads 25, 26 are connected to rectifiers 8, 9 for suppressed half-wave rectification of an A.C. energizing voltage.
Patent GB-884878-A (GB)
Title: Method of extruding thermoplastic resins
IPC: B29C48/08
Filed: 1960-09-22
Abstract: A normally solid ethylene polymer having a density in the range of 0,95 to 0,97 g./c.c. or an interpolymer of tetrafluoroethylene and hexafluoropropylene containing 6 to 26% by wt. of combined hexafluoropropylene is extruded by heating and forcing through a die at a shear rate which is equal to or above the super extrusion shear rate.  This latter shear rate is that at which the extrudate again becomes smooth as the shear rate is increased and is considerably higher than the critical extrusion shear rate at which surface fracture sets in.  As the shear rate is increased to a rate several times the super extrusion shear rate, surface fracture gradually appears again.  The preferred extrusion shear rate is between 1 and 3 times the super extrusion shear rate.  As an example, linear polyethylene having a melt index (of 0,5 ASTM-D-1238-57-T) and an annealed density of 0,955 g./c.c. was extruded through a 1/8 inch circular die having a 0,6 inch land and 77 degrees included inlet angle using a 2 inch extruder.  The super extrusion shear rate for this polymer at 235 DEG C. is 2500 sec-1, occurring at a pressure of 2600 psi.  With the melt and the die at 235 DEG C, extrusion was commenced at a rate of 1 lb./hour and slowly increased, the surface of the extrudate being smooth, but at a rate of 3 lbs./hour the surface became very rough indicating that surface fracture was occurring.  However, when the extrusion rate was increased to 45 lbs./hour, the extrudate became smooth again indicating that the super extrusion shear rate had been attained. Such an extrusion rate is equivalent to a shear rate of 2530 sec-1.  The super extrusion shear rate is a function of the die temperature only, increasing as the die temperature increases; variation in the melt temperature has no effect, even when larger.  A method of determining the super extrusion shear rate for a given polymer is described. Specifications 639,306 and 829,600 are referred to.
Patent GB-521272-A (GB)
Title: Signal pistol mounting for use on aircraft
IPC: B64D7/02
Filed: 1938-11-10
Abstract: 521,272. Mounting for signal pistols on aircraft. BOWEN, K., and TORRESEN, C. T. Nov. 10, 1938, No. 32738. [Classes 9 (ii) and 119] A signal or Very pistol mount for use on aircraft, and of the kind in which the pistol is attachable to a holder and retained by latch mechanism, has the latch mechanism arranged for release solely upon " breaking or hingeing the pistol grip thereby preventing accidental removal and subsequent discharge of the pistol within the aircraft. The pistol shown comprises a barrel portion 4 which is inserted in rubber lined holder 7 itself resiliently mounted by rubber recoil springs 15 in a casing 13 fixed by an extension 18 to the fuselage 20. The holder 7 carries spring-controlled catch levers 21 which engage over a portion 22 of the pistol fixed to the barrel and are retained in position by a wedge lever 30 pressed outward by a spring 32 to engage between the lower arms 27 of the catch levers which surround the holder. When the pistol grip is moved about the pivot 2 to the broken line position, the trigger guard 6 engages the arm 33 of the lever 30 and unlocks the catch levers 21 which move to the release position under the action of springs 26. The pistol in the broken position can then be withdrawn from the holder.
Patent GB-787704-A (GB)
Title: Improvements in or relating to a method of adjusting a klystron to a fixed frequencyand a klystron adjusted by this method or suitable for carrying out this method
IPC: H01J25/12
Filed: 1955-11-16
Abstract: 787,704. Tuning resonators. PHILIPS ELECTRICAL INDUSTRIES, Ltd. Nov. 16, 1955 [Nov. 19, 1954], No. 32788/55. Class 40(8). [Also in Group XL (a)] The output cavity resonator of a klystron has a plastically deformable wall which is sufficiently rigid to prevent microphony. Tuning is effected by depressing the wall by a mechanism which is then removed, thus facilitating the use of water-cooling and magnetic focusing fields. The tube shown comprises two resonant cavities 22 and 23 formed in a copper body 21 and communicating with one another via a coupling aperture 24. The outer walls of the cavities are formed by plates 26 and 27 respectively, which are soldered to the copper body 21. An output coupling waveguide 35 of rectangular crosssection is closed by a mica window 36 secured in a ferrochromium flange 37 by powdered glass. The supply wires 14 to an electron gun comprising a heater 11, cathode 12 and focusing electrode 13 are secured in a glass bulb 16 which is sealed to the plate 26 by a fernico ring 18. A portion 42 of the plate 27 is made thinner than the remainder and supports a collector electrode 30. A cylindrical extension 45 of the plate 27 is closed by a water-tight lid 46 provided with inlet and outlet water connections 47 and a flexible diaphragm 48 through which projects a screw 55 of the adjusting mechanism which comprises a yoke 51 engaging the block 21 and a housing 53 containing a reduction gear driven by a knob 54. During manufacture the output gap 33 is made too long by a factor of from 10 per cent to 50 per cent. After the tube has been exhausted the operating voltages and water cooling are applied, and adjustment effected by depressing the collector electrode 30, thus deforming the wall 42. The electrode is pushed slightly past the point at which maximum output is obtained, and the pressing force then removed so that a slight resilient reaction occurs and the collector electrode returns to the optimum position.
Patent GB-456698-A (GB)
Title: Improvement in windshield cleaner
IPC: B60S1/36
Filed: 1935-11-27
Abstract: 456,698. Windscreen-cleaners. TRICO PRODUCTS CORPORATION, 817, Washington Street, Buffalo, New York, U.S.A. Nov. 27, 1935, No. 32865. Convention date, Aug. 12. [Class 138 (i)] A windscreen-cleaner arm is in two sections, an inner section adapted to be connected to an actuating shaft, and an outer section connectable to a wiper and slidably adjustable with respect to the inner section, the arms being secured together by resilient means which also acts to hold resiliently the inner section in engagement with the actuating shaft. In the construction shown in Fig. 1, the wiper arm comprises two sections 5, 6, the inner section, which is of channel form, being pivotally mounted on the oscillatory shaft 1. The shaft is apertured to receive the end of a rod 10 upon which is mounted a spring 9. The spring is held under compression between a member 9<a> and a holding member 18 which is pivotally mounted in the section 5, and is adapted to press the arm section 6 against the side of a groove in the section 5. The inner end of the section 6 is formed into a key fitting in a keyway in the section 5. In a modification shown in Fig. 5, the holding member 18<1>, of sheet metal, is mounted by trunnions in bearings 21<1> and is bifurcated to engage the section 6. In a further construction shown in Fig. 7, the holding member 18<11> is slidably mounted on the rod 10 carrying the spring 9, and is adapted to be wedged between the section 6<11> and an inclined part 21<11> of the section 5<11>.
Patent GB-284987-A (GB)
Title: Intermittently operating absorption refrigerating machine
IPC: F25B17/00
Filed: 1927-12-05
Abstract: 284,987. Bayer Geb. Feb. 7, 1927, [Convention date]. Refrigerating, absorption machines for. - In reversing systems having a separate return pipe i leading from the bottom of the evaporator h to the generator-absorber a and adapted to return liquor from a sump g in the evaporator at the beginning of each absorption period, while vapour enters the pipe through a small hole l in the vapour space of the evaporator, a stop-valve n is placed in the pipe i whereby this pipe may be closed temporarily. Abnormal quantities of liquor accumulated in the evaporator, due for example to rough handling in transport, may then be returned through the pressure pipe f and the condenser e. The valve is arranged above the fluid level in the generator-absorber to prevent flow of liquid into the evaporator when the valve is first opened after a closed period.
Patent GB-1338996-A (GB)
Title: Benzothiopyran derivatives
IPC: C07D335/06
Filed: 1972-07-14
Abstract: 1338996 Benzothiopyran WARNER-LAMBERT CO 14 July 1972 [15 July 1971 7 April 1972 8 May 1972] 33061/72 Heading C2C Novel benzothiopyran derivatives of the formula wherein R 1  is an optionally substituted aryl radical and R 2  is H, halogen, CN, NO 2 , CF 3 , alkyl, alkoxy, aryl or aralkyl; and salts thereof with bases are prepared by reacting the corresponding R 2  substituted thiochroman-4-one 1,1-dioxides with bases and thereafter with aryl isocyanates of the formula R 2 NCO, or by reacting the appropriate alkyl or aryl 4-hydroxy-2H- 1-benzothiopyran-3-carboxylates with amines of the formula R 1 NH 2 , or by reacting the corresponding thiochroman-4-one 1,1-dioxides with amines of the formula R 4 , R 5 , NH, wherein R 4  and R 5  are alkyl radicals or are joined together directly or via a heteroatom to form a herocyclic ring, treating the resulting enamines of the Formula V with phosgene and triethylamine, reacting the corresponding 4-(NR 4 R 5 )-2H-1-benzothiopyran- 3-carboxylic acid chloride 1,1-dioxides thus produced with amines of the formula R 1 NH 2 , and hydrolysing the resulting enamine amides with acids, or by reacting enamines of Formula V above with isocyanates of the formula R 1 NCO and hydrolysing the resulting enamine amides with acids. Pharmaceutical compositions, suitable for oral or parenteral administration, contain the above novel compounds or salts thereof in admixture with solid or liquid pharmaceutical diluents or carriers. The compounds possess anti-inflammatory activity.