专利名称：CONNECTING PIECE AND A METHOD AND
TOOL FOR ITS MANUFACTURE
发明人：Peter Wallin,Göran Bernhardsson,Andreas
Wallin
申请号：US13511252申请日：20101123
公开号：US20130020798A1公开日：20130124
专利附图：
摘要：A connecting piece for a duct such as a ventilation duct is provided and includesan inner flow space in communication with the interior of the duct, the connecting piece
having at least one joining portion on which an end region of the duct is slidable andfixable. The connecting piece includes a compressed fiber material and a binder. Theconnecting piece displays a substantially configurationally stable portion in associationwith the joining portion, and the connecting piece displays, at least interiorly, a layerwhich is impervious to a fluid, in particular a gas, this layer being adjacent the inner flowspace of the connecting piece.
申请人：Peter Wallin,Göran Bernhardsson,Andreas Wallin
地址：Kalmar SE,Bastad SE,Kalmar SE
国籍：SE,SE,SE
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