Winding method

Patent metadata

Field	Value
Publication number	US-9434565-B2
Application number	US-201414301376-A
Country	US
Kind code	B2
Filing date	Jun 11, 2014
Priority date	Feb 26, 2010
Publication date	Sep 6, 2016
Grant date	Sep 6, 2016

Abstract

A winding method includes rotating a winding drum; transferring a first web structure from a first lay down station to the web stabilizing bed of a first winding station; cutting the web structure; contacting the web structure with a web assembly hold down element, winding the web structure into a roll assembly; and discharging the roll assembly from the winding drum.

First claim

What is claimed is:

1. A method of winding a layered structure comprising steps of:
a) rotating a winding drum, the winding drum having a circumference;
b) transferring a first web structure from a first lay down station to a first winding station of the winding drum;
c) contacting the web structure with a winding mandrel;
d) contacting the web structure with a web assembly hold down element, wherein the web assembly hold down element is disposed adjacent to and extends along a portion of the circumference of the winding drum;
e) winding the web structure by rotating the winding mandrel;
f) fixing a trailing edge of the web structure relative to the wound structure;
g) discharging the wound structure from the winding drum, wherein the first lay down station and the web assembly hold down element are provided by different structure.

2. The method according to claim 1 further comprising the step of separating a portion of the web structure from the remainder of the web structure.

3. The method according to claim 1 further comprising the step of concurrently winding a plurality of web structures.

4. The method according to claim 1 further comprising the step of attaching the first web to a second web prior to winding the web structure.

5. The method according to claim 1 further comprising the step of overwrapping the wound structure.

6. The method according to claim 1 further comprising the step of laying the web structure down into a web track.

7. The method according to claim 1 further comprising the step of laying down a second web structure in a face to face relationship with the first web structure.

Assignees

• Duracell Us Operations Inc

Inventors

• Bittner Dale F
• Lyman Christopher R

Classifications

• B65H19/2223 Primary

  Turret-type with more than two roll supports · CPC title

• B65H18/08 Primary

  Web-winding mechanisms · CPC title

• B29C53/562

  spirally · CPC title