Patent · US Expired

Burster apparatus

US4025023A · kind A · utility

21Cited by
6References
12Claims
0Family size

Assignee

Inventor

Key dates

Filing dateOct 31, 1975
Grant dateMay 24, 1977
Priority date
Expiry dateOct 31, 1995

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T225/35
  • WIPO fieldHandling
  • WIPO sectorMechanical engineering

Abstract

A burster mechanism for separating continuous form webs into sheets along transverse pre-weakened lines comprising two sets of feeding means spaced along a curved web path so that one set of rolls is at an angle to the other. A curved guide member which extends between the two feeding means defines the outer curvature of the web path. The second feeding means is operable at a faster rate than the first feeding means and is actuated at a predetermined time to draw the web taut between the feeding means and separate the sheet from the web.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.