Title:
METHOD OF MANUFACTURING BOTTLE CAN AND BOTTLE CAN
Document Type and Number:
WIPO Patent Application WO/2006/043347
Kind Code:
A1
Abstract:
A method of manufacturing a bottle can and the bottle can. In the method, neck-in processing is applied, a plurality of times, to the opening part of a bottomed cylindrical body (W) having a body part to form the body part, a shoulder part (3), and a ferrule part forming part (4a) arranged continuously with the upper end of the shoulder part (3) in the axial direction of the can and extending upward. After a first projected part (11) is formed on at least one of a connected portion between these shoulder part (3) and the ferrule part forming part (4a) and a connected portion between the shoulder part (3) and the body part (2), the shoulder part (3) is pressed toward the inside of the can body while the first projected part (11) is bent in the radial inner direction to form a groove part (10) at the shoulder part (3).
Inventors:
Hanafusa, Tatsuya c/o MITSUBISHI MATERIALS CORPORATION (Fujioyama Plant 1500, Suganuma, Oyama-cho, Sunto-gu, Shizuoka 92, 41013, JP)
Ito, Ryoichi c/o MITSUBISHI MATERIALS CORPORATION (Fujioyama Plant 1500, Suganuma, Oyama-cho, Sunto-gu, Shizuoka 92, 41013, JP)
Hosoi, Masahiro c/o MITSUBISHI MATERIALS CORPORATION (Fujioyama Plant 1500, Suganuma, Oyama-cho, Sunto-gu, Shizuoka 92, 41013, JP)
Hasegawa, Takashi c/o MITSUBISHI MATERIALS CORPORATION (Fujioyama Plant 1500, Suganuma, Oyama-cho, Sunto-gu, Shizuoka 92, 41013, JP)
Ito, Ryoichi c/o MITSUBISHI MATERIALS CORPORATION (Fujioyama Plant 1500, Suganuma, Oyama-cho, Sunto-gu, Shizuoka 92, 41013, JP)
Hosoi, Masahiro c/o MITSUBISHI MATERIALS CORPORATION (Fujioyama Plant 1500, Suganuma, Oyama-cho, Sunto-gu, Shizuoka 92, 41013, JP)
Hasegawa, Takashi c/o MITSUBISHI MATERIALS CORPORATION (Fujioyama Plant 1500, Suganuma, Oyama-cho, Sunto-gu, Shizuoka 92, 41013, JP)
Application Number:
PCT/JP2005/004327
Publication Date:
April 27, 2006
Filing Date:
March 11, 2005
Export Citation:
Assignee:
Universal Can Corporation (Sumitomofudosan-Korakuen Bldg, 4-1 Koishikawa 1 chom, Bunkyo-ku Tokyo 25, 11285, JP)
Hanafusa, Tatsuya c/o MITSUBISHI MATERIALS CORPORATION (Fujioyama Plant 1500, Suganuma, Oyama-cho, Sunto-gu, Shizuoka 92, 41013, JP)
Ito, Ryoichi c/o MITSUBISHI MATERIALS CORPORATION (Fujioyama Plant 1500, Suganuma, Oyama-cho, Sunto-gu, Shizuoka 92, 41013, JP)
Hosoi, Masahiro c/o MITSUBISHI MATERIALS CORPORATION (Fujioyama Plant 1500, Suganuma, Oyama-cho, Sunto-gu, Shizuoka 92, 41013, JP)
Hasegawa, Takashi c/o MITSUBISHI MATERIALS CORPORATION (Fujioyama Plant 1500, Suganuma, Oyama-cho, Sunto-gu, Shizuoka 92, 41013, JP)
Hanafusa, Tatsuya c/o MITSUBISHI MATERIALS CORPORATION (Fujioyama Plant 1500, Suganuma, Oyama-cho, Sunto-gu, Shizuoka 92, 41013, JP)
Ito, Ryoichi c/o MITSUBISHI MATERIALS CORPORATION (Fujioyama Plant 1500, Suganuma, Oyama-cho, Sunto-gu, Shizuoka 92, 41013, JP)
Hosoi, Masahiro c/o MITSUBISHI MATERIALS CORPORATION (Fujioyama Plant 1500, Suganuma, Oyama-cho, Sunto-gu, Shizuoka 92, 41013, JP)
Hasegawa, Takashi c/o MITSUBISHI MATERIALS CORPORATION (Fujioyama Plant 1500, Suganuma, Oyama-cho, Sunto-gu, Shizuoka 92, 41013, JP)
International Classes:
B21D17/02; B21D51/26; B65D1/02; B65D1/12; B65D1/40; (IPC1-7): B21D51/26; B21D17/02; B65D1/02; B65D1/12; B65D1/40
Attorney, Agent or Firm:
Shiga, Masatake (2-3-1, Yaesu Chuo-ku, Tokyo 53, 10484, JP)
Download PDF: