FR640774A - Improvements to vacuum boxes - Google Patents

Improvements to vacuum boxes

Info

Publication number
FR640774A
FR640774A FR640774DA FR640774A FR 640774 A FR640774 A FR 640774A FR 640774D A FR640774D A FR 640774DA FR 640774 A FR640774 A FR 640774A
Authority
FR
France
Prior art keywords
vacuum boxes
boxes
vacuum
Prior art date
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
Other languages
French (fr)
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.)
SELBEC Inc
Original Assignee
SELBEC 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 SELBEC Inc filed Critical SELBEC Inc
Application granted granted Critical
Publication of FR640774A publication Critical patent/FR640774A/en
Expired legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • 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
FR640774D 1926-10-12 1927-09-12 Improvements to vacuum boxes Expired FR640774A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US640774XA 1926-10-12 1926-10-12

Publications (1)

Publication Number Publication Date
FR640774A true FR640774A (en) 1928-07-21

Family

ID=22053412

Family Applications (1)

Application Number Title Priority Date Filing Date
FR640774D Expired FR640774A (en) 1926-10-12 1927-09-12 Improvements to vacuum boxes

Country Status (1)

Country Link
FR (1) FR640774A (en)

Similar Documents

Publication Publication Date Title
FR614573A (en) Improvements to vacuum brushes
FR644776A (en) Improvements to vacuum or discharge devices
FR640774A (en) Improvements to vacuum boxes
FR642366A (en) Improvements to vacuum tubes
FR660855A (en) Improvements to electric vacuum tubes
FR614149A (en) Improvements to dust extractors
FR621813A (en) New dust vacuum
FR643441A (en) Improvements to rotary separators
FR629551A (en) Improvements to vacuum tubes
FR31649E (en) Improvements to cigar machines
FR626066A (en) Improvements to vacuum brakes
FR656796A (en) Improvements to vacuum servo-brakes
FR609378A (en) Improvements to norias
FR647833A (en) Improvements to aeromotors
FR647261A (en) Improvements to packaging machines
FR638555A (en) Improvements to junction boxes
FR605697A (en) Improvements to weight boxes
FR653079A (en) Improvements to vacuum cleaners
FR31645E (en) Improvements to cigar machines
FR648539A (en) Improvements to vacuum tubes
FR650080A (en) Improvements to vacuum tubes
FR651204A (en) Improvements to vacuum tubes
FR634784A (en) Improvements to servo-brakes
FR622026A (en) Improvements to doubloirs
FR632071A (en) Improvements to hydro-scrubbers