✦ LIBER ✦

Iris labyrinth seal assembly

Publisher: Elsevier Science
Year: 2011
Tongue: English
Weight: 222 KB
Volume: 2011
Category: Article
ISSN: 1350-4789
DOI: 10.1016/s1350-4789(11)70044-7

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✦ Synopsis

This invention concerns a seal for a horizontal side-moving door. A horizontal sidemoving door with a side-winding or horizontally translating curtain includes an upper seal that is composed of an upper edge of the curtain which is sliding within a groove of a seal guide. To protect the door in the event of an impact, at least a portion of the curtain's upper edge can be pulled out of the groove. To avoid damage in certain situations, the seal guide might also deflect forces resiliently. During normal operation, the curtain's upper edge is deflected in response to air pressure against either side of the door. In some examples, the seal guide has a uniform cross-section, which makes it easy to manufacture using a conventional plastic extrusion process.

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