Sheet feeding or delivering – Feeding – By means to convey sheet
Patent
1996-10-21
1998-02-10
Milef, Boris
Sheet feeding or delivering
Feeding
By means to convey sheet
271196, 355 73, 355 91, 355104, 355110, 1013891, B65H 502
Patent
active
057160481
ABSTRACT:
A vacuum drum apparatus on which a mask is mounted having a resilient surface and an array of holes suitable for a substrate of a given size. The drum is a circular cylinder perforated with an array of holes. A hollow chamber within the drum is connected to a controlled pressure source for providing a vacuum. The mask may be magnetically attracted about the outer surface of the drum. Thus, the mask may be made of a flexible ferromagnetic sheet. The mask is preferably elastomeric and may include an inextensible layer.
REFERENCES:
patent: 3824927 (1974-07-01), Pugh et al.
Milef Boris
Optronics International Corporation
LandOfFree
Variable mask and universal vacuum drum does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Variable mask and universal vacuum drum, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Variable mask and universal vacuum drum will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2071307