Patent · US Active

Punch tool system

US10532481B2 · kind B2 · utility

0Cited by
16References
30Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 25, 2015
Grant dateJan 14, 2020
Priority date
Expiry dateJul 24, 2036

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB25F5/005
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

A punch tool for forming holes or apertures in workpieces. The tool includes a primary cylinder containing a movable ram and a secondary cylinder containing another movable ram. The primary and secondary cylinders are in hydraulic communication with each other. The primary cylinder is releasably engageable with a powered press tool and various dies or punches can be attached at the secondary cylinder. Systems of powered tools and the punch tools, and methods of forming holes in workpieces using the punch tools.

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