Idemitsu Unitech Co., Ltd.

Hitachi Industrial Products, Ltd.

Hiroaki Yoshimura

Tomohiro Naruse

Takeshi Kazama

Hayato Kunishi

Kazuo Takeda

A tape having a cross sectional profile including first and second thick portions and a thin portion provided between the first and second thick portions is provided. The first and second thick portions and the thin portion are made of a resin composition whose main component is polyethylene. The density of at least a part of the thin portion is higher than a density of the first and second thick portions.

Tape, zipper tape, tape-equipped container, and zipper tape-equipped container

A zipper tape is in an elongated shape and includes, in a cross-sectional shape, a pair of base strips and engagement portions projecting from surfaces facing each other of the pair of respective base strips, the engagement portions being engageable with each other. At least the engagement portions are each formed of a first biodegradable resin composition having a yield strain of 3.4% or more during a tensile test.

Zipper tape and container equipped with zipper tape

There is provided a multistage centrifugal fluid machine capable of improving efficiency of an operation for assembling an inner casing to a high pressure side head flange. The multistage centrifugal fluid machineincludes a rotorprovided with a plurality of impellers (to) in an axial direction, a cylindrical outer casing, and an inner bundlethat is fitted with the outer casingto form a flow passage for the working fluid. The inner bundleincludes a high pressure side head flange, a low pressure side head flange, and an inner casingdisposed between the high pressure side head flangeand the low pressure side head flange. The high pressure side head flangeand the inner casingare fastened with a first boltvia an elastic body

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Tokyo, Japan

Hiroaki Yoshimura