Heat exchange – Side-by-side tubular structures or tube sections – With manifold type header or header plate
Patent
1986-12-15
1988-12-13
Cashion, Jr., Merrell C.
Heat exchange
Side-by-side tubular structures or tube sections
With manifold type header or header plate
165905, 156198, 156294, 1563032, 1563082, 1563096, F16L 4102, F28F 902
Patent
active
047903724
ABSTRACT:
Process for permanently fastening the end or ends of at least one rod, made at least partially of a thermoplastic material and having at least one continuous cavity, in at least one opening of a support plate. The opening surrounds at least one rod, with each rod - in order to be fastened - positioned in its designated opening in the support plate. Each rod cavity exhibits a hydraulic diameter which corresponds to at least 10% of the minimum outside cross-sectional dimension of the rod, and the rod walls may exhibit pores which take up a maximum of 20% of the wall volume. The rods are positioned with the support plate in such a manner that the ends are essentially arranged vertically upward and the support plate essentially horizontally, and, subsequently, sufficient heat is applied to the rod ends from above, so that the rod ends will soften at least to some extent and the outside walls of the rod ends will expand to such an extent that they touch the wall surfaces of the support plate openings and adhere or fuse to thereto. Also disclosed is a heat exchanger which may be formed by this process.
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Gemeinhardt Hermann
Korstanje Hugo P.
Akzo NV
Cashion Jr. Merrell C.
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