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US 12,202,689 B2Granted
Method for producing coreless roll paper
AssigneeCorelex Shin-Ei Co., Ltd.
InventorSatoshi Kurosaki
Life of this patent
Estimating the term…
Abstract
A method for producing coreless roll paper includes a winding step in which paper 11 is wound on a shaft 20 in a roll shape, and an extracting step in which the shaft 20 is extracted from roll paper 12 to form a center hole 13. The shaft 20 includes a body part 22 having grooves 23, and a sleeve 30 is put on and fixed to the body part 22. In the winding step, the paper 11 is wound on the sleeve 30.
Claims14
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.
5 more elements
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;
- a winding step in which the transported paper is wound on a shaft of a production apparatus and is formed in a roll shape;
- 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;
- and
- an application step in which adhesive supply means is inserted into the center hole to apply an adhesive to an inner wall portion of the center hole, 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,
- in the extracting step, the shaft is extracted with the cover member left in the roll paper, and then the cover member is removed from the roll paper, and
- the cover member is a sleeve.
6 more elements
Dependencies are inferred from the claim text.