Patent · US Expired

Wrapping machine

US4748800A · kind A · utility

3Cited by
5References
6Claims
0Family size

Assignee

Inventor

Key dates

Filing dateFeb 5, 1987
Grant dateJun 7, 1988
Priority date
Expiry dateFeb 5, 2007

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB65B11/54
  • WIPO fieldHandling
  • WIPO sectorMechanical engineering

Abstract

A wrapping machine comprises: front and rear folding members movable relative to each other in the longitudinal direction of the machine; a pair of lateral folding members respectively positioned at both lateral sides of the rear folding member, the lateral folding members being opened and closed with respect to each other in response to the longitudinal movement of the rear folding member; a folding area defined between the front and rear folding members and the pair of lateral folding members, in which folding area the edge portions of a piece of wrapping film are gathered together tightly underneath an object to be wrapped; and a pair of mounting members positioned above the pair of lateral folding members, respectively, and entering the space underneath the object so as to mount the same thereon before all of the folding members enter the space underneath the object so as to fold the piece of wrapping film.

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