Max Co., Ltd.

Hirohisa Usami

Hiroyuki Fukumoto

Takayuki Ehara

Jun Okazaki

Hiroaki Suto

An object of the present invention is to provide a tube having a holding force and being easily crushed. The present disclosure provides a tube into which an insert can be inserted. The tube into which an insert can be inserted, the tube includes a plurality of protrusions provided to protrude from an inner wall surface of the tube and to be inclined with respect to the inner wall surface.

Tube

A plurality of marks () equidistantly provided on both side edge parts () of a long medium (), a plurality of first indicator holes () equidistantly given on at least one of the side edge parts (), and a plurality of second indicator holes () given on at least one of the side edge parts () on a straight line different from a row of the first indicator holes () at spacings shorter than spacings of the first indicator holes () are provided, and the second indicator holes () are each provided to a side of a trailing-end mark (), and each gradually comes closer to a leading-end mark () as the long medium () runs toward a trailing end.

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Tokyo, Japan

Hirohisa Usami