Invention Grant
- Patent Title: Press-forming method and press-forming apparatus
- Patent Title (中): 压制成形方法和压制成型装置
-
Application No.: US13524234Application Date: 2012-06-15
-
Publication No.: US09248489B2Publication Date: 2016-02-02
- Inventor: Tsuyoshi Nakamura , Naohiro Wakayama
- Applicant: Tsuyoshi Nakamura , Naohiro Wakayama
- Applicant Address: JP Tokyo
- Assignee: HONDA MOTOR CO., LTD.
- Current Assignee: HONDA MOTOR CO., LTD.
- Current Assignee Address: JP Tokyo
- Agency: Rankin, Hill & Clark LLP
- Priority: JP2011-142143 20110627
- Main IPC: B21D22/22
- IPC: B21D22/22
Abstract:
A workpiece is press-formed into a press-formed product in a single stroke using a punch and a die by grasping a first portion of the workpiece by a blank holder at a first timing in the single stroke, and grasping a second portion of the workpiece which is different form the first portion by the blank holder at a second timing in the single stroke which is different from the first timing.
Public/Granted literature
- US20120324974A1 PRESS-FORMING METHOD AND PRESS-FORMING APPARATUS Public/Granted day:2012-12-27
Information query
