Title:
コーキング材用カートリッジの底蓋及びコーキング材用カートリッジ
Document Type and Number:
Japanese Patent JP7198638
Kind Code:
B2
Abstract:
The utility model relates to a bottom cover of a cylinder for a joint sealing material and the cylinder for the joint sealing material. A bottom cover (3) of a cylinder for a caulking material is provided with a bottom plate part (3a) and a cylindrical skirt part (3b). Wherein the bottom plate part (3a) is arranged in the cylinder main body in a manner of blocking an opening in the bottom side ofthe cylinder main body, and the cylindrical skirt part (3b) is formed by bending from the peripheral edge of the bottom plate part (3a) to the outer surface side of the bottom plate part (3a) and is arranged in the cylinder main body in a manner that the outer peripheral surface is in contact with the inner peripheral surface of the cylinder main body. The bottom plate section (3a) and the skirt section (3b) are formed by bending an aluminum laminated film (5) into a bottomed cylindrical shape so that the protective layer (5a) side is convex, the aluminum laminated film (5) being provided withan aluminum layer (5b), a protective layer (5a) laminated on one side of the aluminum layer (5b), and a heat-fusible resin layer (5c) laminated on the other side of the aluminum layer (5b).
Inventors:
Naemura Tadashi
Application Number:
JP2018210295A
Publication Date:
January 04, 2023
Filing Date:
November 08, 2018
Export Citation:
Assignee:
Showa Denko Packaging Co., Ltd.
International Classes:
E04F21/165
Domestic Patent References:
| JP2001261077A | ||||
| JP2016064839A |
Foreign References:
| US5139178 |
Attorney, Agent or Firm:
Yoshihito Shimizu
Hisayoshi Shimizu
Ken Takada
Hisayoshi Shimizu
Ken Takada
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