Apparatus for guiding web-like material

Details Apparatus for guiding web-like material Apparatus for guiding web-like material

1980-07-30

1982-05-04

McCarthy, Edward J.

Advancing material of indeterminate length

With adherence or attraction of material to advancing means

By pneumatic pressure

226 1, B65H 1128, B65H 2506

Patent

active

043278540

ABSTRACT:
An apparatus for guiding web-like materials is provided with a hollow suction box having a surface for making a contact with a continuously running web-like material. A plurality of bores are formed in the surface of the suction box within a region corresponding to the maximum sheet width at a suitable pitch. Each of the bores have a smaller diameter at its inner side than at its outer side. A sucking mechanism of adjustable pressure is provided in communication with the cavity of the hollow suction box. A damper is disposed at the duct of the sucking mechanism and is used for adjusting the pressure in suction box.

REFERENCES:
patent: 3166310 (1965-01-01), Kittredge
patent: 3385495 (1968-05-01), Shields
patent: 3649381 (1972-03-01), Mayhew
patent: 3788515 (1974-01-01), Middleman
patent: 3871564 (1975-03-01), Middleman

Affiliated with

Also associated with

Rating

Apparatus for guiding web-like material does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Apparatus for guiding web-like material, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Apparatus for guiding web-like material will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-878440