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1. AU2003277659 - Deformed element pipe for hydraulic bulging, hydraulic bulging device using the element pipe, hydraulic bulging method using the element pipe, and hydraulic-bulged product

官庁 オーストラリア
出願番号 2003277659
出願日 10.11.2003
公開番号 2003277659
公開日 19.02.2004
公報種別 A
IPC
B21D 26/033
B処理操作;運輸
21本質的には材料の除去が行なわれない機械的金属加工;金属の打抜き
D本質的には材料の除去が行われない金属板,金属管,金属棒または金属プロフィルの加工または処理;金属の押抜き
26切断を伴わない成形であって,剛性の装置または工具もしくは可塑性または弾性パッドを用いる以外のもの,例.流体圧力または磁気力を適用することによる成形
02流体圧力の適用によるもの
033管状体を加工するもの
B21D 26/045
B処理操作;運輸
21本質的には材料の除去が行なわれない機械的金属加工;金属の打抜き
D本質的には材料の除去が行われない金属板,金属管,金属棒または金属プロフィルの加工または処理;金属の押抜き
26切断を伴わない成形であって,剛性の装置または工具もしくは可塑性または弾性パッドを用いる以外のもの,例.流体圧力または磁気力を適用することによる成形
02流体圧力の適用によるもの
033管状体を加工するもの
045密閉またはシーリングの手段
CPC
B21D 26/033
BPERFORMING OPERATIONS; TRANSPORTING
21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
26Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces
02by applying fluid pressure
033Deforming tubular bodies
B21D 26/045
BPERFORMING OPERATIONS; TRANSPORTING
21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
26Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces
02by applying fluid pressure
033Deforming tubular bodies
045Closing or sealing means
出願人 MITSUBISHI JIDOSHAKOGYO KABUSHIKI KAISHA
SUMITOMO METAL INDUSTRIES, LTD.
SUMITOMO PIPE & TUBE CO., LTD.
発明者 Kojima, Masayasu
Tomizawa, Atsushi
優先権情報 2002-325801 08.11.2002 JP
発明の名称
(EN) Deformed element pipe for hydraulic bulging, hydraulic bulging device using the element pipe, hydraulic bulging method using the element pipe, and hydraulic-bulged product
要約
(EN)
A deformed element pipe for hydraulic bulging having a peripheral length with an outer diameter gradually increasing or decreasing from one to the other axial side thereof and having a parallel part formed at least one end thereof, and a hydraulic bulging device and a hydraulic bulging method using the element pipe, the device and the method whereby, for example, even when a deformed steel pipe having a cross sectional shape varying in the axial direction as in a tapered pipe is hydraulically bulged, a bulging in which an internal pressure loading and an axial pressing are combined with each other can be performed to provide a larger expansion ratio than before and the joining and plug-in connection thereof to the other part can also be easily performed.

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