Zinc die cast concrete implement
- 申请公布号:
- US6138318(A)
- 申请号:
- US19980187930
- 申请日期:
- 1998.11.06
- 申请公布日期:
- 2000.10.31
- 申请人:
- MARSHALLTOWN TROWEL COMPANY
- 发明人:
- PYATT, GEORGIA;MURDERS, JACK D.
- 分类号:
- B28B11/08;E01C23/02;E04F21/16;E04F21/24;(IPC1-7):E01C19/22
- 主分类号:
- B28B11/08
- 摘要:
- A groover comprising a blade and a handle. The blade is a unitary member composed of and die cast from a zinc alloy. Smooth surface geometry provides for easy cleaning of the groover.