FR642956A - Perfectionnements aux descenseurs hélicoïdaux - Google Patents

Perfectionnements aux descenseurs hélicoïdaux

Info

Publication number
FR642956A
FR642956A FR642956DA FR642956A FR 642956 A FR642956 A FR 642956A FR 642956D A FR642956D A FR 642956DA FR 642956 A FR642956 A FR 642956A
Authority
FR
France
Prior art keywords
descenders
helical
helical descenders
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)
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.)
A PIAT FILS DE
Original Assignee
A PIAT FILS DE
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 A PIAT FILS DE filed Critical A PIAT FILS DE
Application granted granted Critical
Publication of FR642956A publication Critical patent/FR642956A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G11/00—Chutes
    • B65G11/20—Auxiliary devices, e.g. for deflecting, controlling speed of, or agitating articles or solids
FR642956D 1927-10-25 1927-10-25 Perfectionnements aux descenseurs hélicoïdaux Expired FR642956A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR642956T 1927-10-25

Publications (1)

Publication Number Publication Date
FR642956A true FR642956A (fr) 1928-09-07

Family

ID=8999137

Family Applications (1)

Application Number Title Priority Date Filing Date
FR642956D Expired FR642956A (fr) 1927-10-25 1927-10-25 Perfectionnements aux descenseurs hélicoïdaux

Country Status (1)

Country Link
FR (1) FR642956A (fr)

Similar Documents

Publication Publication Date Title
FR648701A (fr) Perfectionnements apportés aux cristalliseurs
FR631134A (fr) Perfectionnements apportés aux mesureuses-doseuses volumétriques
FR635909A (fr) Perfectionnements aux broyeurs
FR642956A (fr) Perfectionnements aux descenseurs hélicoïdaux
FR628206A (fr) Perfectionnements apportés aux vaporisateurs
FR629132A (fr) Perfectionnements aux servo-freins
FR656128A (fr) Perfectionnements apportés aux alliages
FR645566A (fr) Perfectionnements apportés aux explosifs antigrisouteux
FR650797A (fr) Perfectionnements aux pompes
FR639144A (fr) Perfectionnements apportés aux oeillères
FR646219A (fr) Perfectionnements aux échasses
FR635714A (fr) Perfectionnements aux poteaux métalliques
FR630769A (fr) Perfectionnements aux skis
FR649018A (fr) Perfectionnements aux engrenages hélicoïdaux
FR660753A (fr) Perfectionnements aux micro-téléphones
FR660479A (fr) Perfectionnements aux microtéléphones
FR657151A (fr) Perfectionnements apportés aux galons-moulures
FR631979A (fr) Perfectionnements apportés aux réveils
FR657896A (fr) Perfectionnements aux
FR640863A (fr) Perfectionnements aux norias
FR639811A (fr) Perfectionnements aux suspensoirs
FR639703A (fr) Perfectionnements aux norias
FR628323A (fr) Perfectionnements aux dynamos-démarreurs
FR657148A (fr) Perfectionnements relatifs aux stylographes
FR654336A (fr) Perfectionnements apportés aux alliages