FR1021093A - Improvements to devices for closing doors - Google Patents

Improvements to devices for closing doors

Info

Publication number
FR1021093A
FR1021093A FR1021093DA FR1021093A FR 1021093 A FR1021093 A FR 1021093A FR 1021093D A FR1021093D A FR 1021093DA FR 1021093 A FR1021093 A FR 1021093A
Authority
FR
France
Prior art keywords
devices
closing doors
doors
closing
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)
Inventor
Ernst Billeter
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 FR1021093A publication Critical patent/FR1021093A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F3/00—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices
    • E05F3/04—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes
    • E05F3/12—Special devices controlling the circulation of the liquid, e.g. valve arrangement
FR1021093D 1949-07-02 1950-06-28 Improvements to devices for closing doors Expired FR1021093A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1021093X 1949-07-02

Publications (1)

Publication Number Publication Date
FR1021093A true FR1021093A (en) 1953-02-13

Family

ID=4553018

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1021093D Expired FR1021093A (en) 1949-07-02 1950-06-28 Improvements to devices for closing doors

Country Status (1)

Country Link
FR (1) FR1021093A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4693454A (en) * 1980-12-18 1987-09-15 Matsushita Electric Industrial Co., Ltd. Air pressure shock absorber

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4693454A (en) * 1980-12-18 1987-09-15 Matsushita Electric Industrial Co., Ltd. Air pressure shock absorber

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