Connection between members

Details Connection between members Connection between members

B - Operations, Transporting

29

C

B29C 65/50 (2006.01) B29C 70/54 (2006.01) B32B 27/04 (2006.01)

Patent

CA 2517966

A method for preparing a more reliable connection between two members (2, 4) is provided. The method involves the use of a gas-removal layer (6), which allows for gas transport in a number of overall directions in a plane of the gas-removal layer. The gas-removal layer comprises a resin (12) and during consolidation the gas-removal layer is deformed to form a collection substantially free from entrapped gas voids. Furthermore, a gas-removal layer is provided as well as a mould for casting of gas-removal layers and a method for preparing such a mould.The method and the gas-removal layer provided are particularly useful for manufacturing of wind turbine blades and spars for such blades.

La présente invention a trait à un procédé de préparation d'une connexion plus fiable entre deux organes (2, 4). Le procédé comprend l'utilisation d'une couche d'extraction de gaz (6), qui permet le transport de gaz dans un certain nombre de directions globales dans un plan de la couche d'extraction de gaz. La couche d'extraction de gaz comporte une résine (12) et lors de la consolidation de la couche d'extraction de gaz se déforme pour former un ensemble sensiblement exempt de gaz piégé. En outre, l'invention a également trait à une couche d'extraction de gaz ainsi qu'un moule pour la coulée de couches d'extraction de gaz et un procédé pour la préparation d'un tel moule. Le procédé et la couche d'extraction de gaz de l'invention sont particulièrement utiles pour la fabrication d'aubes d'éolienne et de longerons pour de telles aubes.

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