Stock material or miscellaneous articles – Sheets or webs edge spliced or joined – Sheets or webs coplanar
Patent
1981-09-08
1983-09-20
Bell, James J.
Stock material or miscellaneous articles
Sheets or webs edge spliced or joined
Sheets or webs coplanar
2420516R, 139384R, 428 77, 428101, 428188, 428192, 428193, 428222, 428246, 428257, B32B 300
Patent
active
044056699
ABSTRACT:
The invention relates to a laminate reinforcement for fibre-reinforced sunthetic resins and has for its object to provide a laminate reinforcement of highly resistant and high elasticity modulus fibres for extremely heavy-duty, yet light-weight and indent-resistent floating bodies and provides to that purpose such a reinforcement in which the laminate reinforcement is obtained by means of at least two parallel tissue tapes forming by their tissue seams a paunch gap, which is covered with a similar, but narrower covering tape, doubling of the reinforcing fibres in the area of the paunch gap in parallel relationship producing a Stringer effect, in which the warp and weft yarns of the tissue tape are made from reinforcing fibres having a higher elasticity modulus and a higher specific tensile strength than glass fibres, said fibres consisting of carbon, aramid, boron fibres or the like, the warp yarns of carbon and aramid being in intimate contact with one another and the weft yarns of aramid or carbon being spaced apart in parallel relationship by a larger distance than the warp yarns.
REFERENCES:
patent: 3900659 (1975-08-01), MacBean
patent: 3978255 (1976-08-01), Smith
patent: 4103055 (1978-07-01), Levy
patent: 4231139 (1980-11-01), Tsubata
Bell James J.
Koninklijke Textielfabrieken Nijverdal-Ten Cate N.V.
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