JPH033125U

JPH033125U -

Info

Publication number: JPH033125U
Application number: JP6315089U
Authority: JP
Priority date: 1989-05-30
Filing date: 1989-05-30
Publication date: 1991-01-14

Description

[Brief explanation of drawings]

第１図は、本考案にかかる硬質塩化ビニル管の
斜視図である。第２図は、本考案にかかる硬質塩
化ビニル管の断面図である。第３図は、本考案に
かかる硬質塩化ビニル管を連結させた状態をあら
わす断面図である。第４図は、地中配管工法の概
略図である。第５図は、従来の硬質塩化ビニル管
の連結状態をあらわす断面図である。第６図は、
従来の硬質塩化ビニル管の連結状態をあらわす斜
視図である。１，６，７……硬質塩化ビニル管、２……先端
、３……他端、４，９……雄ねじ、５，８……雌
ねじ、１０……発進坑、１１……到着坑、１２…
…連結部、１３……ソケツト。 FIG. 1 is a perspective view of a hard vinyl chloride pipe according to the present invention. FIG. 2 is a sectional view of a hard vinyl chloride pipe according to the present invention. FIG. 3 is a sectional view showing a state in which the hard vinyl chloride pipes according to the present invention are connected. Figure 4 is a schematic diagram of the underground piping method. FIG. 5 is a sectional view showing a connected state of conventional hard vinyl chloride pipes. Figure 6 shows
FIG. 2 is a perspective view showing a connected state of conventional hard vinyl chloride pipes. 1, 6, 7... Hard vinyl chloride pipe, 2... Tip, 3... Other end, 4, 9... Male thread, 5, 8... Female thread, 10... Starting hole, 11... Arrival hole, 12 …
...Connection part, 13...Socket.

Claims

[Scope of utility model registration request]

In a cylindrical hard vinyl chloride pipe to be used as a propulsion tube, cut the outside diameter of an appropriate range from one end to a slightly smaller diameter than the outside diameter of the hard vinyl chloride pipe, and then thread a male thread into the part. A propulsion pipe for underground piping work, characterized in that the inner diameter of a portion extending from the other end to an appropriate range is cut to be slightly larger than the inner diameter of the hard vinyl chloride pipe, and a female thread is carved in the said portion.