FR1577412A - - Google Patents

Info

Publication number
FR1577412A
FR1577412A FR1577412DA FR1577412A FR 1577412 A FR1577412 A FR 1577412A FR 1577412D A FR1577412D A FR 1577412DA FR 1577412 A FR1577412 A FR 1577412A
Authority
FR
France
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)
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 filed Critical
Application granted granted Critical
Publication of FR1577412A publication Critical patent/FR1577412A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
    • B29C53/56—Winding and joining, e.g. winding spirally
    • B29C53/58—Winding and joining, e.g. winding spirally helically
    • B29C53/60—Winding and joining, e.g. winding spirally helically using internal forming surfaces, e.g. mandrels

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Moulding By Coating Moulds (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
FR1577412D 1968-04-22 1968-04-22 Expired FR1577412A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR148907 1968-04-22

Publications (1)

Publication Number Publication Date
FR1577412A true FR1577412A (pt) 1969-08-08

Family

ID=8649230

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1577412D Expired FR1577412A (pt) 1968-04-22 1968-04-22

Country Status (2)

Country Link
DE (1) DE1914973A1 (pt)
FR (1) FR1577412A (pt)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4056374A (en) * 1976-02-19 1977-11-01 American Air Filter Company, Inc. Tubular gas filter
US4244718A (en) * 1976-04-15 1981-01-13 Albany International Corp. Reverse gas-flow bag filter
FR2518893A1 (fr) * 1981-12-29 1983-07-01 Dollfus Noack Sa Elements de filtration a stabilite de forme et procede de confection d'elements de filtration

Also Published As

Publication number Publication date
DE1914973A1 (de) 1969-11-06

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Legal Events

Date Code Title Description
ST Notification of lapse