Structure forming method, apparatus and the resulting product

Details Structure forming method, apparatus and the resulting product Structure forming method, apparatus and the resulting product

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 2187092

A method for forming a continuous structure (71) includes the steps of preselecting a liquid reactive resin forming material (75), a particulate solid additive material (74) and a porous blanket (77). The additive particles (74) are mixed with the liquid resin forming material (75) continuously in a proportion significantly greater than that of the liquid resin forming material (75). A pool (69) of the resulting mixture is formed on the porous blanket (54) and the blanket (54) is advanced at a rate sufficient to create movement of the additive particles (74) within the pool (69) and maintain the particles (74) is suspension. Part of the liquid resin forming material (78) is migrated through the blanket (77) substantially uniformly prior to gelling of the liquid resin forming material (75).

L'invention concerne un procédé pour former une structure continue (71). Ce procédé consiste à présélectionner un matériau formant une résine active liquide (75), un matériau additif solide particulaire (74) et une couverture poreuse (77). Les particules additives (74) sont mélangées au matériau formant une résine active liquide (75), de manière continue, dans une proportion beaucoup plus importante que celle du matériau formant une résine liquide (75). Un réservoir (69) du mélange obtenu se forme sur la couverture poreuse (54) et cette dernière avance à une vitesse suffisante pour créer le déplacement des particules additives (74) à l'intérieur du réservoir (69) et maintenir ces particules en suspension. Une partie du matériau formant une résine liquide (78) migre à travers la couverture (77) de manière sensiblement homogène, avant que le matériau formant une résine liquide (75) ne se gélifie.

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