Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1994-03-15
1995-12-05
Barry, Chester T.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
1562726, 156332, 1562748, B32B 3100
Patent
active
054725445
ABSTRACT:
A method for producing a rubber based weather strip characterized as containing a metal core and as having a decorating treatment and/or a lubricating treatment applied to a surface of the rubber base which is made of EPDM. The decorating and/or lubricating treatment is effected by adhesively bonding a decorative and/or lubricating member to the surface of the rubber base. The method avoids the need for the conventional buffing step. This results in higher productivity for the production line which lowers costs and improves the work environment due to the absence of buffing dust. This method includes the steps of applying a corona discharge treatment to the surface of the rubber base of EPDM which has previously been subjected to a vulcanizing treatment, with the metal core being grounded, so that polar functional groups are formed in a molecular chain of the EPDM. The decorating treatment and/or the lubricating treatment is then applied to the surface of the rubber base in which the polar functional groups have been formed.
REFERENCES:
patent: 4396450 (1983-08-01), Blenner
patent: 4836901 (1989-06-01), Manabe et al.
patent: 5051586 (1991-09-01), Sabreen
Fukamachi Hidetaka
Takahara Mitsuhiro
Barry Chester T.
Toyoda Gosei Co,., Ltd.
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