Method for joining synthetic materials

Details Method for joining synthetic materials Method for joining synthetic materials

1978-11-30

1981-01-27

Wityshyn, Michael G.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156 93, 156157, 156217, 156305, 1563043, 1563066, 1563096, 264 23, 429139, B29C 2708, B32B 708, H01M 214

Patent

active

042473454

ABSTRACT:
Sections of synthetic materials, such as thermoplastic materials, suitable for use in electrolytic cells for the production of chlorine and sodium hydroxide, are joined together in a reinforced liquid-tight seam by a method which comprises positioning sections of material to be joined adjacent to but spaced apart from each other, to form a gap between the sections, placing a thermoplastic sealing composition in the gap, sewing the sections of synthetic material and the thermoplastic sealing composition together to form a seam, heating the seam to a temperature sufficient to melt the thermoplastic sealing composition without melting the synthetic material or the thread thereby allowing the melted thermoplastic sealing composition to flow to and fill perforations in the synthetic material adjacent to the thread. The seam is then cooled to solidify the thermoplastic sealing composition and to form a reinforced liquid-tight seam between the sections of synthetic material.

REFERENCES:
patent: 1856218 (1932-05-01), Knowles
patent: 3134703 (1964-05-01), Listner
patent: 3296990 (1967-01-01), Simjian
patent: 3420731 (1969-01-01), Kuhn
patent: 3546054 (1970-12-01), Ross
patent: 3567537 (1971-03-01), Marteny et al.

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