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Title:
HEATING DEVICE FOR SEALING CARTON TOP
Document Type and Number:
Japanese Patent JP2002301779
Kind Code:
A
Abstract:

To provide a top heater capable of heating a carton top for sealing without generating pinholes in a discharge spout body.

A hot blast blow-off pattern of the top heater 6A to the surface, to which a discharge spout 2 is fitted, of a carton 1, is set to be a pattern of blowing off a hot blast to a spot above and on the side of the discharge spout 2 instead of to the discharge spout 2 itself. In addition, when a welded layer of the internal face of the carton 1 is heated, the generation of pinholes is prevented from occurring by inhibiting the heating of the discharge spout 2.


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Inventors:
NOZAKI TATSUYA
ENDO KENICHI
KUWANO SEIJI
MIYASE DAISUKE
Application Number:
JP2001108201A
Publication Date:
October 15, 2002
Filing Date:
April 06, 2001
Export Citation:
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Assignee:
DAINIPPON PRINTING CO LTD
International Classes:
B65B7/16; B31B3/64; B65B51/10; (IPC1-7): B31B3/64; B65B7/16; B65B51/10
Domestic Patent References:
JPH04257423A1992-09-11
JPH08197649A1996-08-06
JPH0591823U1993-12-14
JPH11342549A1999-12-14
JPH0680124A1994-03-22
JPH09254967A1997-09-30
Attorney, Agent or Firm:
Kyozo Norimatsu



 
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