Multilayer tube, assembly and method

Details Multilayer tube, assembly and method Multilayer tube, assembly and method

1983-09-30

1987-11-17

Buffalow, Edith

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

428518, 428520, 428522, 428 35, 383904, 383906, D32B 702

Patent

active

047073896

ABSTRACT:
A multilayered tube (10) is provided that includes an outer layer (12) comprising ethylene-vinyl acetate for bonding to an ethylene-vinyl acetate material and an inner layer (14) comprising polyvinyl chloride for bonding to polyvinyl chloride material. A bonding layer (16) is provided between the outer and inner layers for bonding and preventing delamination of the outer and inner layers.
In another embodiment, a port and membrane tube assembly (18) is provided that includes the above-described multilayered tube and a polyvinyl chloride membrane tube bonded to the inner layer of the multilayered tube.
The multilayered tube or the port and membrane tube assembly can be bonded to an ethylene-vinyl acetate container which can be used to store various types of solutions useful in medical treatment.

REFERENCES:
patent: 4327726 (1982-05-01), Kwong et al.
patent: 4424243 (1984-01-01), Nishmoto et al.
patent: 4465487 (1984-08-01), Nakamura et al.
patent: 4501780 (1985-02-01), Walters et al.

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