US 12,202,689 B2
Method for producing coreless roll paper
Satoshi Kurosaki, Fuji (JP)
Assigned to CORELEX SHIN-EI CO., LTD., Fuji (JP)
Appl. No. 17/773,150
Filed by CORELEX SHIN-EI CO., LTD., Fuji (JP)
PCT Filed Dec. 28, 2020, PCT No. PCT/JP2020/049087
§ 371(c)(1), (2) Date Apr. 29, 2022,
PCT Pub. No. WO2022/144951, PCT Pub. Date Jul. 7, 2022.
Prior Publication US 2023/0159292 A1, May 25, 2023
Int. Cl. B65H 19/22 (2006.01); B65H 19/28 (2006.01); B65H 19/30 (2006.01)
CPC B65H 19/2276 (2013.01) [B65H 19/2292 (2013.01); B65H 19/286 (2013.01); B65H 19/30 (2013.01); B65H 2301/41429 (2013.01); B65H 2301/41852 (2013.01); B65H 2404/52131 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A method for producing coreless roll paper, the method comprising:
a transport step in which transport means draws paper from a material roll and transports the paper;
an application step in which adhesive supply means applies an adhesive to a winding-start end of the paper that is being transported;
a winding step in which the paper to which the adhesive has been applied is wound on a shaft of a production apparatus and is formed in a roll shape; and
an extracting step in which the shaft is extracted from roll paper, which is the paper formed in a roll shape, to form a center hole at the center of the roll paper, wherein
the shaft includes a body part having gear-like grooves in an outer circumferential side surface thereof, and a cover member is put on and fixed to the body part,
in the winding step, the paper is wound on the cover member, and
the cover member is a sleeve.