The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 25, 1992
Filed:
Apr. 01, 1991
James S Ramsey, Shelton, CT (US);
Pitney Bowes Inc., Stamford, CT (US);
Abstract
A bursting apparatus and method for conveying a web of sheet material having successive transverse lines of weakening along a longitudinal path from an upstream position to a downstream position and for separating the web along a transverse line of weakening. The apparatus includes a longitudinally extending housing; a first pair of vertically spaced rollers rotatably mounted on the housing transverse to the path of web travel; a second pair of vertically spaced rollers rotatably mounted on the housing downstream of the first pair of rollers; a device for driving the downstream pair of rollers at a given speed; and a stepper motor for driving the upstream pair of rollers normally at the given speed and momentarily at a second speed, which is less than the given rate of speed, when the web of material is first gripped by the second pair of rollers, whereby severance of the web of material is promoted along the transverse line of weakening when the transverse line of weakening is disposed intermediate the first and second pairs of rollers.