Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB18543/58A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beloit Iron Works Inc
Original Assignee
Beloit Iron Works Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beloit Iron Works IncfiledCriticalBeloit Iron Works Inc
Publication of GB836684ApublicationCriticalpatent/GB836684A/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
D21F1/523—Covers thereof
Landscapes
Paper
(AREA)
Filters For Electric Vacuum Cleaners
(AREA)
Abstract
836,684. Suction boxes of paper-making machines. BELOIT IRON WORKS. June 10, 1958 [June 17, 1957], No. 18543/58. Class 96. The top or cover 19a of a suction box of a Fourdrinier or of a cylinder paper-making machine is perforated with holes 37 of uniform cross-section and inclined forwardly in the direction of travel of the web W and wire-cloth &C 11 as indicated by the arrow A.
GB18543/58A1957-06-171958-06-10Improvements in or relating to covers for suction boxes for use in paper machines
ExpiredGB836684A
(en)