B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 65/02 (2006.01) F28F 9/16 (2006.01) F28F 9/18 (2006.01) F28F 21/06 (2006.01)
Patent
CA 2244748
A method for bonding a tube into an article, each of which is formed from a thermoplastic polymer, especially an aliphatic polyamide. The article (2) has a plurality of channels (10) into which tubes (9) are placed in sliding engagement. The article is moved towards a heating block having pins, such that a pin is inserted into each tube. The article (2) and heating block (4) are brought into a juxtaposed position such that the polymer of the tubes melts and forms a coating on said article. The method is particularly useful in the formation of tubed heat exchangers, for example with 100-300 or more tubes, in one cycle.
L'invention concerne un procédé qui permet de fixer par collage de tubes dans un article, chaque tube étant constitué d'un polymère thermoplastique, en particulier un polyamide aliphatique. L'article (2) a une pluralité de passages (10) dans lesquels les tubes (9) entrent en coulissant. L'article est déplacé vers un bloc de chauffe doté de tiges, de sorte qu'une tige pénètre dans chacun des tubes. L'article (2) et le bloc de chauffe (4) sont juxtaposés de manière à faire fondre le polymère des tubes et à former un revêtement sur ledit article. Le procédé est particulièrement utile pour la fabrication d'échangeurs de chaleur à tubes (par exemple 100 à 300 tubes ou plus) en un cycle unique.
Cesaroni Anthony Joseph
Sim & Mcburney
LandOfFree
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