Cutting – With means to clean work or tool
Patent
1991-08-15
1993-06-01
Yost, Frank T.
Cutting
With means to clean work or tool
83100, 83169, 83687, 83821, 83824, B26D 718, B26F 104
Patent
active
052149919
ABSTRACT:
A punching apparatus used for high speed punching of holes in a workpiece, such as a ceramic green sheet, for use as a printed-circuit board. Upper and lower die blocks, stationary relative to each other, are provided, with punch pins fixed in two dimensions by multiple guides. A fluid passage is provided within the lower die block for providing gaseous lubrication and cleaning of the punch pin while in operation.
REFERENCES:
patent: 274957 (1883-04-01), McMurtry
patent: 390925 (1888-10-01), Warner
patent: 3125917 (1964-03-01), Smeets
patent: 3554065 (1971-01-01), Kunz
patent: 3800643 (1974-04-01), Scott et al.
patent: 4104941 (1978-08-01), Krueger
patent: 4312256 (1982-01-01), Herzog et al.
patent: 4862782 (1989-09-01), Ernst
patent: 4872381 (1989-10-01), Stroms
patent: 4989484 (1991-02-01), Johnson et al.
patent: 5056392 (1991-10-01), Johnson et al.
patent: 5131303 (1992-07-01), Wilson et al.
Nakajima Kiyoharu
Shimizu Izumi
Yoshida Shin-ya
Dexter Clark F.
Hitachi , Ltd.
Hitachi Seiko Ltd.
Yost Frank T.
LandOfFree
Punching apparatus does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Punching apparatus, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Punching apparatus will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1807463