Document Type and Number:
Japanese Patent JPS62128823
Kind Code:
U
Abstract:
A lapel provided at the one end of a paper sheet to forming a paper bag is introduced into the interior of an opening on the rotary cylinder by means. The folding blade has a rotational axis located outside the rotary cylinder parallel to an axis of rotation of the rotary cylinder. The thus bent lapel is brought in pressure contact with the edge face of the opening by means of a holding pawl which turns in operative association with the rotary cylinder. Thereafter, the lapel is covered and depressed by means of a depressing pawl which turns in operative association with the rotary cylinder whereby the lapel and a part of the paper sheet are adhesively secured to one another to build a double-walled structure around the opening of the paper bag.
Application Number:
JP1635786U
Publication Date:
August 14, 1987
Filing Date:
February 07, 1986
Export Citation:
International Classes:
B31B19/86; B31B31/00; B31B31/26; B31B1/26; B31B50/86; B65H45/16; (IPC1-7): B31B31/26; B31B1/26; B31B1/86
Domestic Patent References:
| JPS61206434U | 1986-12-26 |