Document Type and Number:
Japanese Patent JPS4949298
Kind Code:
A
Abstract:
The disclosure describes a multiple drilling machine for simultaneously drilling bores into at least two wooden boards sequentially fed along a single transfer line, said machine comprising at least an upstream and a downstream drilling unit, each capable of processing a board, arranged so that individual boards are carried and set in either unit for simultaneous progressing thereof at an upstream and respectively at a downstream station along said line, the disclosure describing also the manner for operating said multiple machine.
Application Number:
JP5574673A
Publication Date:
May 13, 1974
Filing Date:
May 21, 1973
Export Citation:
International Classes:
B23B39/16; B23Q7/14; B23Q39/04; B27C3/04; (IPC1-7): B27C3/04