ES236723A1 - Improvements relating to suction units for paper-making machines and the like - Google Patents

Improvements relating to suction units for paper-making machines and the like

Info

Publication number
ES236723A1
ES236723A1 ES0236723A ES236723A ES236723A1 ES 236723 A1 ES236723 A1 ES 236723A1 ES 0236723 A ES0236723 A ES 0236723A ES 236723 A ES236723 A ES 236723A ES 236723 A1 ES236723 A1 ES 236723A1
Authority
ES
Spain
Prior art keywords
sleeve
paper
grooves
improvements relating
making machines
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
ES0236723A
Other languages
Spanish (es)
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.)
WP Evans and Son Ltd
Original Assignee
WP Evans and Son Ltd
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 WP Evans and Son Ltd filed Critical WP Evans and Son Ltd
Publication of ES236723A1 publication Critical patent/ES236723A1/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
    • D21F1/52—Suction boxes without rolls
    • D21F1/523—Covers thereof
    • D21F1/526—Covers thereof consisting of endless moving belts

Landscapes

  • Belt Conveyors (AREA)
  • Making Paper Articles (AREA)
  • Paper (AREA)

Abstract

Improvements introduced in the manufacture of an endless sleeve, made of rubber or similar, for paper machines that must be provided with a face of grooves according to a previously chosen design and must have at least one through opening that passes through the bottom of each of said grooves, for use in a suction unit of the kind referred to, the placement, inside the sleeve of a flexible, non-expandable and contraction-resistant reinforcement, intimately attached to the material of the sleeve, said reinforcement being arranged so that it is not exposed in the subsequent operations of forming the mentioned grooves, and either separated from the points where said through openings are to be made or, if it is not separated, allowing said openings to be made by punching without tearing the rubber or similar material from the sleeve. (Machine-translation by Google Translate, not legally binding)
ES0236723A 1956-07-24 1957-07-23 Improvements relating to suction units for paper-making machines and the like Expired ES236723A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2280256A GB831975A (en) 1956-07-24 1956-07-24 Improvements relating to suction units for paper-making machines and the like

Publications (1)

Publication Number Publication Date
ES236723A1 true ES236723A1 (en) 1958-04-16

Family

ID=10185291

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0236723A Expired ES236723A1 (en) 1956-07-24 1957-07-23 Improvements relating to suction units for paper-making machines and the like

Country Status (3)

Country Link
ES (1) ES236723A1 (en)
GB (1) GB831975A (en)
NO (1) NO115831B (en)

Also Published As

Publication number Publication date
NO115831B (en) 1968-12-09
GB831975A (en) 1960-04-06

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