Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1989-06-29
1991-04-23
Simmons, David A.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
156191, 156192, 174 45R, 2482193, B27N 300
Patent
active
050097342
ABSTRACT:
Insulating equipment (100) includes a flexible arm (1) having at one of its ends a means for attachment to a pole and at the other end means for attaching an electric line substantially perpendicular to the arm (1). The thickness of the arm (1) decreases regularly from the means of attachment to the pole toward the means of attachment to the electric line, while the height of the cross section of the arm is constant. The arm (1) has in the direction of its thickness a series of layers (7a, 7b, 7c, 7d) of continuous mineral fibers extending in the direction of the arm's length and separated by layers (8a, 8b, 8c, 8d) of randomly-oriented short mineral fibers. These layers are bonded by a synthetic resin in which a layer (9a, 9b) of fabric of mineral fibers may be placed on each side of the arm (1) between the first layer of short fibers and the following layer of continuous fibers. To be used for improving longitudinal flexibility and resistance to vertical loads.
REFERENCES:
patent: 3408239 (1968-10-01), Wedin
patent: 3813837 (1974-06-01), McClain et al.
patent: 4141929 (1979-02-01), Stoops et al.
patent: 4220496 (1980-09-01), Carley et al.
patent: 4682747 (1987-07-01), King, Jr. et al.
patent: 4853279 (1989-08-01), Shibata et al.
Engel, Jr. James J.
Manufacture d'Appareillage Electrique de Cahors
Simmons David A.
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