E - Fixed Constructions – 04 – G
Patent
E - Fixed Constructions
04
G
E04G 13/02 (2006.01)
Patent
CA 2288100
The formwork is comprised of a tubular core or body based on a plurality of polystyrene pieces (3-7) fixed to each other by means of adhesive at their union edges (5); the tubular core is internally coated with a plastic sheet (1) or rigid plates (11, 11') made of wood which has been plastified on their internal face or made of rigid plastic material and fixed to each other at their internal face by means of adhesive strips forming an impervious barrier; on the external side, said assembly is complemented by a lattice support consisting of a glass fiber mesh (6-18) which has been wound helically around the tubular core (3-7) and fixed to the latter by means of adhesive (7-19) so that said mesh confers to the assembly the required mechanical strength. Optionally, it is possible to set on the mesh envelope (6) a self-adhesive sealing strip (8) forming a decorative element and a publicity support for the formwork.
L'invention concerne un coffrage qui est constitué d'un corps ou noyau tubulaire formé d'une pluralité de pièces (3-7) de polystyrène, fixées entre elles au moyen d'un adhésif par leurs bords d'union (5), le noyau tubulaire étant revêtu à l'intérieur d'une feuille (1) plastique ou de plaques rigides (11, 11') et formé de bois plastifié sur la face interne ou en plastique rigide, les pièces étant fixées entre elles par leur face interne avec la collaboration de bandes adhésives formant une barrière imperméable, alors que l'ensemble comprend à l'extérieur un support en treillis formé d'une maille (6-18) de fibre de verre enroulée de manière hélicoïdale autour du noyau tubulaire (3-7) et fixée à celui-ci au moyen de l'adhésif (7-19) de manière que ladite maille confère à l'ensemble la rigidité mécanique adéquate. Sur l'enveloppe de maille (6), on peut placer une bande de scellement (8) autocollante, servant d'élément décoratif et de support publicitaire pour le coffrage.
Goudreau Gage Dubuc
Valero Salinas Jose Manuel
LandOfFree
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