公开(公告)号：US3770172A

公开(公告)日：1973-11-06

申请号：US3770172D

申请日：1972-05-02

Applicant: PAPER CONVERTING MACHINE CO

Inventor： NYSTRAND E ,  KRUFGER A

IPC: B65H19/10 ,  A47K10/16 ,  A47K10/38 ,  B65H23/182 ,  B65H35/00 ,  B26F3/02

CPC classification number: A47K10/38 ,  B65H35/0006 ,  Y10T225/12 ,  Y10T225/393

Abstract: A web roll having a pair of plies equipped with transverse perforations of a specified character which are off-set in the different plies so as to provide a source for dispensing through a force-developing nip whereby web segments issue sequentially and alternately.

Abstract translation: 卷筒纸卷具有一对装有特定特征的横向穿孔的层，它们在不同层中偏移，以便提供通过力 - 显影间隙进行分配的源，从而网段顺序地和交替地发布。