Patent · US Expired

Induction welding apparatus for plastic containers

US4246461A · kind A · utility

20Cited by
9References
9Claims
0Family size

Assignee

Inventor

Key dates

Filing dateOct 25, 1978
Grant dateJan 20, 1981
Priority date
Expiry dateOct 25, 1998

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB29L2031/717
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

Apparatus for welding items which are each made from a plurality of substantially plastic components operate to maintain the components in fixed positions relative to each other while moving them along a feed path, including welding and cooling stages.

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