FR922497A - Passe-lentilles - Google Patents

Passe-lentilles

Info

Publication number
FR922497A
FR922497A FR922497DA FR922497A FR 922497 A FR922497 A FR 922497A FR 922497D A FR922497D A FR 922497DA FR 922497 A FR922497 A FR 922497A
Authority
FR
France
Prior art keywords
lens pass
lens
pass
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
English (en)
Inventor
Amedee-Eugene Dieu
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 FR922497A publication Critical patent/FR922497A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B13/00—Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices
FR922497D 1946-02-16 1946-02-16 Passe-lentilles Expired FR922497A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR922497T 1946-02-16

Publications (1)

Publication Number Publication Date
FR922497A true FR922497A (fr) 1947-06-10

Family

ID=9438044

Family Applications (1)

Application Number Title Priority Date Filing Date
FR922497D Expired FR922497A (fr) 1946-02-16 1946-02-16 Passe-lentilles

Country Status (1)

Country Link
FR (1) FR922497A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3642131A (en) * 1969-10-21 1972-02-15 Eastman Kodak Co Method of apparatus for removing tramp metal from polyethylene

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3642131A (en) * 1969-10-21 1972-02-15 Eastman Kodak Co Method of apparatus for removing tramp metal from polyethylene

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