FR639785A - Improvements in methods and apparatus for processing filaments - Google Patents

Improvements in methods and apparatus for processing filaments

Info

Publication number
FR639785A
FR639785A FR639785DA FR639785A FR 639785 A FR639785 A FR 639785A FR 639785D A FR639785D A FR 639785DA FR 639785 A FR639785 A FR 639785A
Authority
FR
France
Prior art keywords
methods
processing filaments
filaments
processing
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.)
Compagnie des Lampes
Original Assignee
Compagnie des Lampes
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 Compagnie des Lampes filed Critical Compagnie des Lampes
Application granted granted Critical
Publication of FR639785A publication Critical patent/FR639785A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/52—Means for obtaining or maintaining the desired pressure within the vessel
    • H01K1/54—Means for absorbing or absorbing gas, or for preventing or removing efflorescence, e.g. by gettering
FR639785D 1926-06-09 1927-06-04 Improvements in methods and apparatus for processing filaments Expired FR639785A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US114808A US1655466A (en) 1926-06-09 1926-06-09 Method and apparatus for treating filaments

Publications (1)

Publication Number Publication Date
FR639785A true FR639785A (en) 1928-06-29

Family

ID=22357547

Family Applications (1)

Application Number Title Priority Date Filing Date
FR639785D Expired FR639785A (en) 1926-06-09 1927-06-04 Improvements in methods and apparatus for processing filaments

Country Status (5)

Country Link
US (1) US1655466A (en)
BE (1) BE342791A (en)
DE (1) DE452708C (en)
FR (1) FR639785A (en)
GB (1) GB272500A (en)

Also Published As

Publication number Publication date
GB272500A (en) 1927-08-04
US1655466A (en) 1928-01-10
BE342791A (en)
DE452708C (en) 1927-11-17

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