Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1979-08-24
1981-01-13
Goolkasian, John T.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
156293, 182 46, 182215, 182217, 182228, E06C 708, E06C 710
Patent
active
042447607
ABSTRACT:
Extension ladders constructed of pultruded fibreglass reinforced plastic for use in an high voltage electrical environment are improved when they do not have any metal components within the field of the induced electrical currents and to achieve the junction between the fibreglass reinforced plastic rungs requires separate molded fibreglass reinforced plastic external sleeves so adhesively bonded to the stiles and the pultruded hollow rungs to make the junction and also such sleeves are not to have any projections outside the outer boundaries of the stiles.
REFERENCES:
patent: 3039186 (1962-06-01), Stoyer et al.
patent: 3208554 (1965-09-01), Arnold
patent: 3225862 (1965-12-01), Fink
patent: 3318413 (1967-05-01), Werner et al.
patent: 3328223 (1967-06-01), Fink
patent: 3502173 (1970-03-01), Arnold
patent: 3528525 (1970-09-01), Lindesmith et al.
patent: 3566992 (1971-03-01), Berger
Dawson Robert A.
Goolkasian John T.
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