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Johnson & Sons Ltd C H
Original Assignee
Johnson & Sons Ltd C H
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Publication date
Application filed by Johnson & Sons Ltd C HfiledCriticalJohnson & Sons Ltd C H
Publication of ES377338A1publicationCriticalpatent/ES377338A1/en
D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
D21F1/00—Wet end of machines for making continuous webs of paper
D21F1/48—Suction apparatus
D21F1/52—Suction boxes without rolls
Landscapes
Paper
(AREA)
Making Paper Articles
(AREA)
Abstract
A low vacuum forming box device, comprising an upper part intended to support a paper machine belt, a water outlet at or next to, the lower part of the box, and operable valve means for controlling the water discharge from said outlet, to be able to control the degree of vacuum in the box. (Machine-translation by Google Translate, not legally binding)
ES377338A1969-03-111970-03-10Vacuum boxes for paper-making machines
ExpiredES377338A1
(en)
Improvements in the covering system of the vacuum boxes in the paper manufacturing machines. (Machine-translation by Google Translate, not legally binding)
Regulating device of the paste affluence to the drum formator, in paper manufacturing machines. (Machine-translation by Google Translate, not legally binding)