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    • 2. 发明专利
    • FLYING OBJECT LAUNCHER
    • JPH02233998A
    • 1990-09-17
    • JP5460889
    • 1989-03-07
    • TOSHIBA CORP
    • NAKAGAWA NAOTO
    • F41A21/36F41A25/06F41F1/00F41F3/045
    • PURPOSE:To obtain a stable repulsion force and its offset force by providing a friction adjusting device which adjusts the friction forces between an outer launcher tube and a front inner-launcher tube of an inner launcher tube, and between the outer launcher tube and a rear inner launcher tube, and top and bottom covers which are respectively attached on the top and bottom of the outer launcher tube. CONSTITUTION:When a launching instruction is given to a flying object 25, and a rocket motor is ignited, a bottom cover 27 is blown off by a blast discharged from the rocket motor. Simultaneously, a rear inner-launcher tube 212 is pushed forward by the blast force, and breaks a top cover 26. When the flying object 25 gets out of an outer launcher tube 22, a front inner-launcher tube 211 is split into pieces and dispersed away from the flying object as it receives a circumferential direction wind pressure of the flying object 25. At this time, the change in the repulsion force exerted on a shooter is a plus direction repulsion force as shown on Fig. a, for example, during a period from t1 at which the blast of the rocket motor is started till t2 at which the top cover 26 is broken, and at the same time, a minus direction repulsion force is generated as shown on Fig. b during a period from t1 at which the blast is started till t2 at which the bottom cover 27 is broken, cancelling said plus direction reaction force.
    • 6. 发明专利
    • MUZZLE
    • JPH10300392A
    • 1998-11-13
    • JP12487697
    • 1997-04-28
    • JAPAN STEEL WORKS LTD
    • MARUO TOSHIAKI
    • F41A21/36
    • PROBLEM TO BE SOLVED: To reduce the weight of a muzzle while ensuring a required strength by a structure wherein a high ejection pressure of powder gas is supported by a thicker high strength member on the base side of the muzzle as compared with the forward end side. SOLUTION: The muzzle comprises a first muzzle body 12 on the inside having outer surface decreasing gradually in diameter toward the forward end, and a second muzzle body 13 on the outside touching the outer surface of the first muzzle body 12 tightly with the thickness increasing gradually toward the forward end. The first muzzle body 23 is made of a material having higher strength than that of the second muzzle body 13 which is made of a material having lower specific gravity than that of the second muzzle body 12 and holes 3a-3d are made through the first and second muzzle body 12, 13.
    • 8. 发明专利
    • 砲口制退器及び銃火器
    • 枪口系统取样设备和枪支
    • JPWO2014192090A1
    • 2017-02-23
    • JP2013542696
    • 2013-05-29
    • 博美 前田
    • 博美 前田
    • F41A21/36
    • F41A21/36F41A21/30
    • 本発明を適用した砲口制退器の一例であるマズルブレーキ1は、内筒部2、外筒部3、蓋部4を備えている。また、内筒部2の内部には、銃身5の先端部分が固定されている。内筒部2の内側は、銃口6の延長線上に空間が形成された形状となっている。また、銃口6の近傍に、第1のガス誘導孔7が複数形成されている。発射時のガスは、銃口6から第1のガス誘導孔7を通り、内筒部3と外筒部4の間の空間に誘導される。
    • 枪口制动器1,其是本发明中,内筒部2,外筒部3的施加枪口系统抽出装置的一个例子,和盖部4。 内筒部2的内部,筒5的前端部被固定。 内的内筒部2的对枪口6的延长形成有空间的形状。 在枪口6的附近,形成有第一气体引导孔7。 通过第一气体导向孔7从枪口6烧制期间气体中的内筒部3与外筒部4之间的空间被诱导。