The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Feb. 05, 1991

Filed:

Jun. 05, 1989
Applicant:
Inventors:

Christer Bergstrom, Espoo, FI;

Johan Von Knorring, Espoo, FI;

Mikko Karttunen, Porvoo, FI;

Assignee:

Neste Oy, , FI;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16L / ; B05D / ;
U.S. Cl.
CPC ...
428 359 ; 427195 ; 427377 ; 427409 ; 427410 ; 428 3691 ; 428447 ; 138146 ;
Abstract

The invention concerns a plastic coated steel tube which contains at least one layer of a polyolefin which has been modified with a hydrolyzable silane, and also a method for preparing this tube.


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