Patent · US Active

Cold working apparatus and a method for cold working a blank

US12280415B2 · kind B2 · utility

0Cited by

5References

10Claims

0Family size

Assignee

AUTOTECH ENGINEERING S.L. · ES

Inventors

Lars Sandberg · Uppsala, SE
Joakim Innala · Luleå, SE
Petter Ulfberg · Luleå, SE

Key dates

Filing date	Apr 17, 2020
Grant date	Apr 22, 2025
Priority date	—
Expiry date	Feb 11, 2041

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB21D37/01
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

A cold working apparatus for forming a blank includes a first die and a second die. The first die has at least one die cavity and the second die has at least one die protrusion. The cold working apparatus press forms the blank placed between the first and second dies.

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