Abstract Herein disclosed is a combination pipe joint structure which finds a wide variety of applications in joining pipes. The pipe joint structure comprises a pair of pipe joint units, each of which has a joint surface for being joined thereat to each other to form a unitary structure. Each of the pipe joint units includes a base portion and a plurality of foot portions extending from the base portion on the joint surface and angularly spaced from each other. Each of the foot portions has an outer peripheral surface sized and shaped to fixedly hold thereon a pipe when the pair of pipe joint units are jointed to each other and when it is subsequently fitted into the pipe. If desired, at least one of the pipe joint units may further include at least one foot extending from the base portion at an angle from the joint surface and having an outer peripheral surface sized and shaped to fixedly hold thereon a pipe when it is fitted into the pipe. The pipe joint structure thus formed may have various shapes and the numbers of both the foot portions and the feet may also be desirably varied, so that the resultant structure of the joined pipes can have various shapes suitable for various purposes. If desired, moreover, suitable fixing means may be mounted on the foot portions and on the feet so as to ensure fixture with the corresponding pipe. And, an adhesive agent may be filled in a space, which is defined by the foot portions and the feet, by the corresponding pipe and by the fixing means, for sealing off the pipe.
A combination pipe joint structure comprising: a pair of complementary pipe joint half units, each having a joint surface for being joined thereat to each other to form a unitary structure, each of said pipe joint units including a base portion and a plurality of foot portions extending from said base portion on said joint surface and angularly spaced from each other, complementary foot portions forming cylindrical feet, each of said foot portions having an outer peripheral surface sized and shaped to fixedly hold thereon a pipe when its corresponding halves are joined to each other and when it is subsequently fitted into the pipe, so that a plurality of pipes of the same number as that of the foot portions may be joined to each other, at least one of said pipe joint units further including at least one other foot extending from the base portion at an angle from the joint surface, each foot of said combination pipe joint structure being cylindrical in form including a first outer peripheral surface portion near the base of a diameter substantially equal to the inner diameter of the pipe and adapted to receive the same and having a tapered portion extending axially outwardly therefrom, and further having a tip portion with a diameter substantially equal to the inner diameter of said pipe, whereby said pipe is fitted onto said foot with contact therebeTween at longitudinally spaced positions, and wherein said base portion at each foot location is provided with an annular projection which extends radially outward therefrom concentrically about the foot and forming with said foot, an annular groove within which the end of a corresponding pipe is fittedly received.
Claim 2
Dependent Claim
279 words
A combination pipe joint structure comprising: a pair of complementary pipe joint half units, each having a joint surface for being joined thereat to each other to form a unitary structure, each of said pipe joint units including a base portion and a plurality of foot portions extending from said base portion on said joint surface and angularly spaced from each other, complementary foot portions forming cylindrical feet, each of said foot portions having an outer peripheral surface sized and shaped to fixedly hold thereon a pipe when its corresponding halves are joined to each other and when it is subsequently fitted into the pipe, so that a plurality of pipes of the same number as that of the foot portions may be joined to each other, at least one of said pipe joint units further including at least one other foot extending from the base portion at an angle from the joint surface, each foot of said combination pipe joint structure being cylindrical in form including a first outer peripheral surface portion near the base of a diameter substantially equal to the inner diameter of the pipe and adapted to receive the same and having a tapered portion extending axially outwardly therefrom, and further having a tip portion with a diameter substantially equal to the inner diameter of said pipe, whereby said pipe is fitted onto said foot with contact therebeTween at longitudinally spaced positions, and wherein said base portion at each foot location is provided with an annular projection which extends radially outward therefrom concentrically about the foot and forming with said foot, an annular groove within which the end of a corresponding pipe is fittedly received.