Title:
PROCESS AND APPARATUS FOR FORMING OUTWARDLY CURLED LIP ON CYLINDRICAL CONTAINER BODY
Document Type and Number:
Japanese Patent JP2554842
Kind Code:
B2
Abstract:
PURPOSE: To provide a process and an apparatus being simple and effective in cost for forming an outwardly rolled lip on a cylindrical container body.
CONSTITUTION: A rolled lip forming apparatus includes a mandrel 30 having a cylindrical shaped portion and a lip forming annular cavity positioned coaxially with and axially spaced from the cylindrical portion of the mandrel. The annular cavity has a semi-circular cross-section including an open mouth and a closed bottom extending outwardly of the mandrel. The mandrel includes a radially tapered portion in the radial direction between the cylindrical portion and the lip forming die 50. The tapered portion tapers radially outwardly in the direction toward the lip forming die. An axial forcing means 52 forces a cylindrical container body 10 axially along the mandrel toward the lip forming die to form an outwardly rolled lip 20.
Inventors:
JON II BEIKAN
UIRIAMU SHII SASUKI
UIRIAMU SHII SASUKI
Application Number:
JP10382494A
Publication Date:
November 20, 1996
Filing Date:
May 18, 1994
Export Citation:
Assignee:
SONOCO PRODUCTS CO
International Classes:
B29C53/34; B21D19/12; B21D51/26; B29C57/12; B31F1/00; B29L23/00; (IPC1-7): B29C53/34; B29C57/12
Attorney, Agent or Firm:
Akihide Sugimura (5 outside)