Patent · US Expired

Multi-piece flat top container

US5025982A · kind A · utility

10Cited by
9References
6Claims
0Family size

Assignee

Inventor

Key dates

Filing dateOct 29, 1990
Grant dateJun 25, 1991
Priority date
Expiry dateOct 29, 2010

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB65D2251/0093
  • WIPO fieldHandling
  • WIPO sectorMechanical engineering

Abstract

A multi-piece flat top container including a thermoplastic coated paperboard body of a predetermined cross-sectional configuration, a thermoplastic adapter ring having an annular recess formed therein for mounting over the top edge of the body and fusion sealed thereto, and a tamper-evident flat membrane or any suitable material sealed adjacent its peripheral edge to the top edge of the adapter ring. An optional over-cap may be mounted over the membrane and adapter ring without being sealed thereto.

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