Registration process

Details Registration process Registration process

1993-06-23

1995-06-06

Lavinder, Jack W.

Manufacturing container or tube from paper; or other manufacturi

Control means energized in response to activator stimulated...

Responsive to work material, the product or means engaging...

364471, 364472, 364473, 83 768, 83371, 493 14, 493 18, 493196, B31B 116

Patent

active

054218020

ABSTRACT:
The present invention features a high-speed registration system for the manufacture of plastic bags. The system has a registration apparatus that senses the leading and trailing edge of each sinusoidally-shaped tie pattern from a continuous web. Each sinusoidally-shaped tie is associated with an individual bag entity and, therefore, represents a midway point for each bag to be cut from the continuous web. The leading and trailing edge of each sinusoidally-shaped tie, therefore, is used to determine the center line of each bag. A plurality of center line determinations are averaged upstream of the sizing apparatus. When a detected entity finally reaches the downstream sizing apparatus, the cutting of the individual bag unit from the web is accomplished about an accurate, but "floating", center line

REFERENCES:
patent: 4368051 (1983-01-01), Lehmacher
patent: 4605392 (1986-08-01), Achelpohl
patent: 4609366 (1986-09-01), Ley
patent: 4925438 (1990-05-01), Wagner

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