CUP, METHOD FOR PROVIDING A CUP, METHOD FOR STRETCHING A CUP INTO A CAN AND FACILITIES

WIPO Patent Application WO2001053160

A3

A can, especially an aerosol can, is produced in two consecutive partial processes from a flat material having at least one metal layer, which is preferably coated with a plastic material, especially PET, on at least one side. Stackable cups (3), which are used as intermediate products, are produced with a first facility (1) in a partial process. The cups are stored in a stacked manner to save space and are then transported to a second facility (2). The surface area of the stackable cups has notches facing the axis and are shaped in such a way that the cross section of the cup diminishes from the first front face to the second front face, whereby the peripheral proportion of the notches increases from the first front face to the second front face. The second partial process is carried out in a second facility, whereby the cups (3) are separated from the stack and fed to a shaping device (15). The cups (3) are given the shape of cylindrical can bodies (6) in the shaping device (15). After stretching, the cylindrical can bodies (6) are preferably stretched to a desired length. In the case of aerosol cans, the open end of the can is deformed for receiving a valve.

JP2021031181	CAN BODY
JP3629605	METALLIC CAN AND ITS PRODUCTION METHOD
JP5691358	Rotary type empty can continuous optical inspection device and container revolution movement device

BRAUN AUGUST (CH)
BOLTSHAUSER WERNER (CH)

PCT/CH2001/000036

March 14, 2002

January 17, 2001

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HUEPPI INVEST AG (CH)
BRAUN AUGUST (CH)
BOLTSHAUSER WERNER (CH)

B21D51/26; B65D1/26; B65D83/14; (IPC1-7): B21D51/26; B65D1/16; B65D1/26

US4909393A	1990-03-20
FR2213816A1	1974-08-09
US3910414A	1975-10-07
US5626228A	1997-05-06

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