Patent · US Expired

Automatic film conveying and packing mechanism

US4139980A · kind A · utility

17Cited by
6References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 11, 1977
Grant dateFeb 20, 1979
Priority date
Expiry dateApr 11, 1997

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T83/2037
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

An automatic film conveying and packaging mechanism for conveying cut film lengths forwardly from a film cutter to a packaging envelope while maintaining continuous contact with the film lengths between a pair of opposed upper and lower conveyor assemblies and driving the lengths directly into the packaging envelope in stacked relation to each other with the trailing ends thereof positively disposed in substantial alignment with each other and in rearwardly spaced relation to the discharge end of the upper conveyor assembly.

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