|
US2020406327A1
|
|
Metal forming method including post-forming stretching to control springback
|
|
US2020391326A1
|
|
Method of creating an interior metal flow opening in a metal sheet during a forming operation
|
|
US2020362426A1
|
|
Sheet metal forming die laser surface hardening process
|
|
US2020197997A1
|
|
Stretch forming die
|
|
US2020078846A1
|
|
Draw-in control for sheet drawing
|
|
CN107352701A
|
|
A kind of high-ammonia-nitrogen sewage processing cycle pond and sewage-treatment plant and its handling process with circulatory pool
|
|
US2018154420A1
|
|
Two-stage method of cutting ultra-high strength material sheet
|
|
US2018056361A1
|
|
Post-compression for springback reduction
|
|
US2018021832A1
|
|
Method of incremental cold forming an angled corner in a continuous sheet of advanced high strength metal
|
|
US2017246672A1
|
|
Metal stamping tool with a hybrid magnetorheological-nitrogen spring
|
|
US2017157661A1
|
|
Stamping apparatus having flared bead
|
|
US2013319068A1
|
|
Stamping apparatus and method of use
|
|
US2012279272A1
|
|
Stamping apparatus
|
