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|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||285/3323 ; 285/354|
|발명자 / 주소|
|인용정보||피인용 횟수 : 12 인용 특허 : 4|
A hose coupling is provided with metallic male and female members which are engaged by means of an internally threaded sleeve which is rotatably secured to the female member. The male and female members are provided with tapered male and female seating surfaces. The male seating surface is interrupted by a circumferential groove cut perpendicular to the axis of the bore of the male member. A deformable O-ring is carried in the groove. The cross-sectional area of the groove is greater than that of the O-ring.
A house coupling, comprising: a female member having a central bore and a frustoconical female seating surface; an internally threaded sleeve rotatably secured to said female member; and an externally threaded male member with threads engaging the threads of said sleeve, having a central bore coaxial with the bore of said female member, a frustoconical male seating surface complementary to said female seating surface, an annular groove in said male seating surface directed substantially perpendicular to the axis of said bore with one side of the groove h...