CA2314661C - Systeme de vidange pour aspirateur de matieres seches ou liquides
- Google Patents
Systeme de vidange pour aspirateur de matieres seches ou liquides
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Publication number
CA2314661C
CA2314661CCA 2314661CA2314661ACA2314661CCA 2314661 CCA2314661 CCA 2314661CCA 2314661 CA2314661 CA 2314661CA 2314661 ACA2314661 ACA 2314661ACA 2314661 CCA2314661 CCA 2314661C
Authority
CA
Canada
Prior art keywords
collection drum
dolly
drum
drain
cap
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.)
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.)
Emerson Electric Co
Original Assignee
Emerson Electric Co
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
Priority claimed from US09/369,950external-prioritypatent/US6347429B1/en
Application filed by Emerson Electric CofiledCriticalEmerson Electric Co
Publication of CA2314661A1publicationCriticalpatent/CA2314661A1/fr
Application grantedgrantedCritical
Publication of CA2314661CpublicationCriticalpatent/CA2314661C/fr