Method of forming a paperboard tampon applicator having an outwa

Details Method of forming a paperboard tampon applicator having an outwa Method of forming a paperboard tampon applicator having an outwa

1996-11-01

1997-12-30

Tentoni, Leo B.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

264310, 264322, 264339, 264340, 264345, 493297, 493299, 493303, B29C 5356, B29C 5704

Patent

active

057025533

ABSTRACT:
A method of forming an improved finger grip at the gripper end of a paperboard tampon tube is disclosed. This gripper end has an outwardly rolled edge produced by applying moisture to the gripper end of the paperboard tube having a diameter of less than about 25 mm, heating a forming tool to about 100.degree. F. to about 350.degree. F., rotating the paperboard tube with respect to the forming tool at a rate of about 50 to 1000 rpm, and contacting the gripper end of the paperboard tube with the forming tool for about 0.2 to about 5 seconds. In this manner, the forming tool rolls the gripper end of the paperboard tube outwardly to form a radiused surface at the outside of the gripper end of the paperboard applicator tube. The resulting tampon applicator is also disclosed.

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Derwent DIALOG.RTM. WPI Acc No: 96-333732/33, WO96/20682 (published Jul. 11, 1996).

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