ES290560A1 - Provisional obturation device such as ventilation door for underground galleries (Machine-translation by Google Translate, not legally binding)
- Google Patents
Provisional obturation device such as ventilation door for underground galleries (Machine-translation by Google Translate, not legally binding)
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.)
SEMA SA
Original Assignee
SEMA SA
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Filing date
Publication date
Application filed by SEMA SAfiledCriticalSEMA SA
Priority to ES0290560ApriorityCriticalpatent/ES290560A1/en
Publication of ES290560A1publicationCriticalpatent/ES290560A1/en
Specific Sealing Or Ventilating Devices For Doors And Windows
(AREA)
Tents Or Canopies
(AREA)
Abstract
Provisional sealing devices such as a ventilation door for underground galleries, characterized in that it comprises, on the one hand, a flexible body preferably inflatable, which has to be adjusted against the contour of an opening, and on the other hand, a fixed curtain to said body advantageously removably. (Machine-translation by Google Translate, not legally binding)
ES0290560A1963-08-031963-08-03Provisional obturation device such as ventilation door for underground galleries (Machine-translation by Google Translate, not legally binding)
ExpiredES290560A1
(en)
Device suitable for conjunction and intercommunication between two segments of a articulated vehicle (Machine-translation by Google Translate, not legally binding)