FR484299A - Perfectionnements aux installations pour l'aspiration et le transport pneumatique de poussières, copeaux, sciures ou autres déchets analogues
- Google Patents
Perfectionnements aux installations pour l'aspiration et le transport pneumatique de poussières, copeaux, sciures ou autres déchets analogues
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.)
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.)
ROBERT PAUL SCHAERRER
Original Assignee
ROBERT PAUL SCHAERRER
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 ROBERT PAUL SCHAERRERfiledCriticalROBERT PAUL SCHAERRER
Application grantedgrantedCritical
Publication of FR484299ApublicationCriticalpatent/FR484299A/fr
B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
B08B15/002—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area using a central suction system, e.g. for collecting exhaust gases in workshops
FR484299D1917-01-201917-01-20Perfectionnements aux installations pour l'aspiration et le transport pneumatique de poussières, copeaux, sciures ou autres déchets analogues
ExpiredFR484299A
(fr)
Perfectionnements apportés aux matières plastiques telles notamment que celles pour la fabrication de disques de phonographes, de commutateurs électriques ou d'articles analogues
Perfectionnements apportés aux appareils pour enlever et transporter des matériaux meubles, disposés le long ou sous des voies de chemins de fer, notamment pour le dégarnissage en ballast de ces voies