Stock material or miscellaneous articles – Hollow or container type article – Polymer or resin containing
Patent
1997-03-31
1999-03-16
Nold, Charles
Stock material or miscellaneous articles
Hollow or container type article
Polymer or resin containing
428 369, 428141, 428 57, B29C 4790
Patent
active
058827528
ABSTRACT:
A wrapping pipe for a bundle of hollow fibers comprises a plastic sheet welded at its opposing edges by ultrasonics and having no difference in level of the inner surface.
REFERENCES:
patent: 4663107 (1987-05-01), Takada et al.
Nissho Corp.
Nold Charles
LandOfFree
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