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
GB12073/29A
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.)
INVENZIONI BREVETTI ANONIMA SO
Original Assignee
INVENZIONI BREVETTI ANONIMA SO
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 INVENZIONI BREVETTI ANONIMA SOfiledCriticalINVENZIONI BREVETTI ANONIMA SO
Publication of GB315393ApublicationCriticalpatent/GB315393A/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
D21F1/50—Suction boxes with rolls
Landscapes
Advancing Webs
(AREA)
Abstract
315,393. Soc. Invenzioni Brevetti Anon. July 14, 1928, [Convention date.]. Suction apparatus.-A suction box comprising a flat frame formed of narrow bands 1 and having lateral conduits 4 forming a hydraulic seal, has provided within the box roller surfaces 5 formed of tubes in the ends of which are fixed headers keyed on shafts 7 provided with gears 11 by which they are driven, and mounted in sleeves 8 which, with stuffing boxes 9, form hermetic joints. The rollers 5 are driven at the speed of the we.b carrying the pulp.
GB12073/29A1928-07-141929-04-18Improvements in or relating to continuous machines for making paper and other sheet material from pulp
ExpiredGB315393A
(en)