Improvements in and relating to box fastenings

    公开(公告)号:GB552964A

    公开(公告)日:1943-05-03

    申请号:GB641842

    申请日:1942-05-12

    Abstract: 552,964. Box fastenings. CRABTREE & CO., Ltd., J. A., McLOUGHLIN, H. F., HILL, W. E., MORGAN, R. W., and WINTLE, T. D. G. May 12, 1942, No. 6418. [Class 44] A fastening particularly for electrical junction and distribution boxes such, for example, as are employed in the wiring system described in Specification 552,502, [Group XXXVI], comprises a pair of triangular ears c secured to a rectangular frame a welded to the bottom b of the box, and a spring loaded plunger mounted on the lid, the plunger being biased outwards by a compression spring h and carrying at its inner end a cross pin g the ends of which project through and are slidably guided in slots formed in a block e secured to the lid. When the lid is closed the ends of the cross pin ride over and engage behind the parts c' of the ears c under action of spring h. Release is effected by pressing in the plunger by means of a knob i which is in the form of an anchored nut on the screw-threaded - outer end of the plunger. The knob may be screwed into contact with the outer surface of the lid to lock the pin positively in engagement behind the ears c. As described a pair of fastenings above are provided at opposite ends of the box.

    Improvements in and connected with electrical wiring systems

    公开(公告)号:GB552503A

    公开(公告)日:1943-04-12

    申请号:GB1288441

    申请日:1941-10-06

    Abstract: 552,503. Two-part couplings; contacts. CRABTREE & CO., Ltd., J. A., McLOUGHLIN, H. F., HILL, W. E., MORGAN, R. W., and WINTLE, T. D. G. Oct. 6, 1941, Nos. 12884/41 and 120/42. [Class 38 (i)] [Also in Group XXXVII] Socket contacts for mounting in a distribution box to receive a plug contact c formed with an enlargement as described in Specification 552,520 consist of a pair of similar pressed metal members d 2 held together by a screw l and spring o. An enlargement j provides a shoulder k to retain the plug contact and by screwing up the screw l until the spring is fully compressed the plug is locked in the socket. The form of the members d 2 may be varied to provide a single socket, a double ended socket as shown in Fig. 2, a socket with a clip contact for a fuse, or a polygonal or flat socket. A switch y', Fig. 12, may be combined with the socket, the switch-contact 1 bridging between the socket d 1 and a plate carrying a fuse clip 2, or between two sockets similar to d 1 . A double fuse clip 3 receives the other end of the fuse w. Where a large number of sockets is required, sockets may be superposed, a single screw l and spring o serving to compress both the upper and lower sockets. Specification 552,516 also is referred to.

    Improvements in and connected with electric wiring systems

    公开(公告)号:GB552502A

    公开(公告)日:1943-04-12

    申请号:GB1288341

    申请日:1941-10-06

    Abstract: 552,502. Tube couplings. CRABTREE & CO., Ltd., J. A., McLOUGHLIN, H. F., HILL, W. E., MORGAN, R. W., and WINTLE, T.D.G. Oct. 6, 1941, No. 12883. [Class 99 (i)] [Also in Group XXXVI] In a wiring system for aeroplanes &c. the conductors are arranged loosely in a resilient conduit tube which is attached to the wall of a distribution box &c., by means of a resilient grommet, secured to the conduit and annularly grooved for insertion by a lateral movement into a slot in the wall of the box. The box e has semicircular recesses g 11 in its base and cover to form a circular aperture corresponding to a groove k in the grommet i. A liner f secured within the box has slots g comprising a tapered portion leading to a constriction beyond which the slot is of circular outline g 1 . The grommet is resiliently compressed to pass the constriction which then retains it in place. The grommet has a tapered formation l to direct water away from the box-wall. The conduit tube and grommet may be made of polyvinyl chloride. Specification 552,521, [Group XXXVI], is referred to.

    Improvements in or connected with containers for gases

    公开(公告)号:GB520352A

    公开(公告)日:1940-04-22

    申请号:GB3022938

    申请日:1938-10-19

    Abstract: 520,352. Gas Cylinders. KELLY, T. D. Oct. 19, 1938, No. 30229. [Class 8(ii)] A cylinder for gases containing hydrogen is of aluminium &c. wound externally with steel ribbon and impregnated, covered or coated by dipping with a solution of acetylene rubber or chlorinated rubber and polymerized to form a gas-proof layer which penetrates the pores of the vessel. The whole may be protected by a coating of sponge rubber. The gas-proof layer may alternatively be constituted by vegetable mucilage blended with fibres and polymerized solidified oils; ordinary rubber may be blended with any of the gas-proof materials.

    Improvements in or connected with electric furnaces

    公开(公告)号:GB496937A

    公开(公告)日:1938-12-08

    申请号:GB1000437

    申请日:1937-04-08

    Abstract: An electric furnace comprises a chamber 1 containing a molten bath 3, a spout 2 communicating with the lower part of the chamber and receiving a cathode electrode 6, a conduit 8 for charging material on to the bath, a taphole 12 arranged above the bath, a gas outlet 10, and an anode electrode 4 passing through a stuffing box 13 in the top of the chamber. A second spout 11 forming a gas inlet may be provided. When making carbides, lime and carbon is fed on to the bath in a thin layer. When making cyanamides a thin layer of carbide is fed on to the bath and nitrogen or air is fed through the spout 11. In making calcium nitrate lime is fed to the bath instead of carbide. Specification 443,099, [Group XI], is referred to.

    Improvements in aircraft
    27.
    发明专利

    公开(公告)号:GB264942A

    公开(公告)日:1927-02-02

    申请号:GB2747425

    申请日:1925-11-02

    Abstract: 264,942. Kelly, T. D. Nov. 2, 1925. Screw propellers.-A lifting screw for an aircraft comprises four blades E surrounded by a ring F which carries additional flexibly mounted blades I.

    Improvements in and connected with alloys

    公开(公告)号:GB264414A

    公开(公告)日:1927-01-20

    申请号:GB2183426

    申请日:1926-09-04

    Abstract: 264,414. Kelly, T. D. Sept. 4, 1926. Alloys.-An iron-chromium alloy contains, in addition to iron, about 10-35 per cent of chromium and 7-25 per cent of copper or of copper and nickel together. the copper being in any case not less than 7 per cent. In making the alloy, a flux is used consisting of carbon and calcium or magnesium chloride, or of carbon, calcium or magnesium oxide, and sodium or ammonium chloride. The alloy may in some cases be made by reduction of iron-chromium ores and nickel-copper ores.

    Improvements in and connected with the electrolysis or splitting up of air or water

    公开(公告)号:GB251021A

    公开(公告)日:1926-04-23

    申请号:GB207725

    申请日:1925-01-23

    Abstract: 251,021. Kelly, T. D. Jan. 23, 1925. Oxygen, hydrogen, and nitrous oxide, obtaining; combined electrolysis and radiation treatment.- Water which has been treated by radiation from a quartz electric discharge tube is electrolyzed with insoluble electrodes. Air which has been subjected to a like radiation treatment may be passed over or through the water during electrolysis; in this case the products are hydrogen and nitrous oxide. The products may be utilized in an internal-combustion engine.

Patent Agency Ranking