Hans N. Schaaper

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Heemskerk, NL

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Patents Grantslast 30 patents

Information Patent Grant
Body-necking a wall-ironed can
- Patent number 6,253,597
- Issue date Jul 3, 2001
- Corus Staal BV
- Auke Hogendoorn
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Die for use in die-necking of a metal can body and method using suc...
- Patent number 5,711,178
- Issue date Jan 27, 1998
- Hoogovens Staal B.V.
- Auke Hogendoorn
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...