JP2022063105A - 高圧タンクの製造方法 - Google Patents
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Abstract
Description
図1および図2に示すように、高圧タンク1は、両端がドーム状に丸みを帯びた略円筒形状の高圧ガス貯蔵容器である。高圧タンク1は、ガスバリア性を有するライナー2と、ライナー2の外面を覆う繊維強化樹脂からなる補強層3と、を備える。補強層3は、ライナー2の外面を覆う第1補強層30と、第1補強層30の外面を覆う第2補強層34と、を有する。高圧タンク1の一方端には、開口部が形成されており、開口部周辺には口金4が取り付けられている。
次に、本実施形態に係る高圧タンク1の製造方法について説明する。図3は、高圧タンク1の製造方法の工程を説明するフロー図である。高圧タンク1の製造方法は、図3に示すように、準備工程S1と、接合工程S2と、第2補強層形成工程S3と、ライナー形成工程S4と、含んでいる。
(筒部材・側端部材形成)
筒部材31の形成と、側端部材32、33の形成とは、互いに独立して行うため、並行して行ってもよいし、いずれか一方を先に行ってもよい。まず、以下に筒部材31の形成方法について説明する。
接合工程S2では、図6および図7に示すように、筒部材31の外壁面31fと、側端部材32、33の内壁面32f、33fが対向するように、各側端部材32、33を筒部材31の両端に接合する。具体的には、側端部材32、33の周端部32a、33aの端面が段付き部31d、31dに当接するまで、筒部材31の両端の外壁面31fに形成された凹部31cに、側端部材32、33の周端部32a、33aを含む部分を入り込ませる。
第2補強層形成工程S3において、図8に示すように、第1補強層30の外面を覆うように第2補強層34を形成する。
次に、ライナー形成工程S4において、図9に示すように、第1補強層30の内表面を覆うように、樹脂を塗布することにより、ライナーを形成する。
Claims (2)
- 円筒状の筒部材の両端に、ドーム状の側端部材を接合した、繊維強化樹脂からなる補強層が形成された高圧タンクの製造方法であって、
前記製造方法は、前記筒部材の外壁面と、前記側端部材の内壁面が対向するように、前記各側端部材を前記筒部材の両端に接合する工程を有しており、
前記接合する工程では、前記筒部材の軸方向において、前記各側端部材と前記筒部材との重なり代は、前記筒部材の内径に対して、5%以上35%以下の範囲とすることを特徴とする高圧タンクの製造方法。 - 前記接合する工程の後に形成された前記補強層を、前記第1補強層としたときに、前記第1補強層の両側の前記側端部材の間を渡すように、樹脂が含浸された繊維束を、前記第1補強層にヘリカル巻きで巻回し、前記第1補強層を覆う第2補強層をさらに形成することを特徴とする請求項1に記載の高圧タンクの製造方法。
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JP7351267B2 (ja) | 2020-07-08 | 2023-09-27 | トヨタ自動車株式会社 | 高圧タンクの製造方法 |
JP7254107B2 (ja) * | 2021-02-10 | 2023-04-07 | 本田技研工業株式会社 | 高圧容器の検査方法および検査装置 |
Citations (6)
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KR20110114275A (ko) * | 2010-04-13 | 2011-10-19 | 주식회사 이노컴 | 고압용기 및 그의 제조 방법 |
JP2017048912A (ja) * | 2015-09-03 | 2017-03-09 | 新日鐵住金株式会社 | 高圧タンク |
JP2017094491A (ja) * | 2015-11-18 | 2017-06-01 | トヨタ自動車株式会社 | タンクの製造方法およびタンク |
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