B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
B32B 5/30 (2006.01) B29C 70/02 (2006.01) B29C 70/50 (2006.01) E01C 23/03 (2006.01) E02B 3/12 (2006.01) E02B 5/02 (2006.01)
Patent
CA 2187091
A method of forming a continuous structure (77) includes the steps of preselecting a liquid reactive resin material (89), a particulate solid additive material (88), a porous blanket (61), and a thin fibrous sheet (64). The additive particles (88) are mixed with the liquid resin material (89) substantially continuously in a proportion significantly greater than that of the liquid resin material (89), thereby encapsulating the additive particles (88). A pool of the resulting mixture (76) is formed between the blanket (61) and the sheet (64) and the blanket (61) and sheet (64) are advanced at a rate sufficient to maintain a suspension of the additive particles (88) and the pool (76). Part of the liquid forming material (89) is migrated through the blanket (61) and the sheet (64) in a uniform manner.
L'invention concerne un procédé pour former une structure continue (77). Ce procédé comprend plusieurs étapes consistant à présélectionner un matériau de résine active liquide (89), un matériau additif solide particulaire (88) et une feuille de fibres mince (64). Les particules additives (88) sont mélangées au matériau de résine liquide (89) de manière sensiblement continue, dans une proportion beaucoup plus importante que celle du matériau de résine liquide (89), de manière à envelopper les particules additives (88). Un réservoir du mélange obtenu (76) se forme entre la couverture (61) et la feuille (64) et ces dernières avancent à une vitesse suffisante pour maintenir les particules additives (88) en suspension dans le réservoir (76). Une partie du matériau de formation liquide (89) migre à travers la couverture (61) et la feuille (64) avec uniformité.
Gowling Lafleur Henderson Llp
Payne Leroy
LandOfFree
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