Patent · US Active

Lightweight knockout for forming die assembly

US7845935B2 · kind B2 · utility

3Cited by

28References

18Claims

0Family size

Assignee

Dixie Consumer Products LLC · US

Inventors

Albert D. Johns · Saylorsburg, US
Stephen K. Milligan · Florence, US
Mircea Sofronie · Easton, US

Key dates

Filing date	Nov 1, 2007
Grant date	Dec 7, 2010
Priority date	—
Expiry date	Mar 6, 2028

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB31B50/592
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

A die assembly for producing paperboard pressware includes a lightweight knockout assembly having a long and narrow ejection member positioned within a slotted adapter plate. The provision of a lightweight knockout assembly reduces frictional wear-related maintenance and downtime.

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