Inflatable mandrel and method therefor

Details Inflatable mandrel and method therefor Inflatable mandrel and method therefor

1985-07-25

1986-12-30

Levy, Stuart S.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

B65H 7524

Patent

active

046323287

ABSTRACT:
An inflatable mandrel supported upon a cylindrical surface, the cylindrical surface opposing a mandrel ply coated on only one surface with a rubberizing compound so that the obverse, uncoated mandrel ply surface opposes the cylindrical supporting surface. Such mandrels have utility in being easily removable from a building drum and easily installed upon a cylindrical support surface.

REFERENCES:
patent: 3096949 (1963-07-01), Huffman
patent: 3139242 (1964-06-01), Banlier
patent: 3295188 (1967-01-01), Saueressig
patent: 3370814 (1966-06-01), Kageorge et al.
patent: 3394902 (1968-07-01), Hise et al.
patent: 3425642 (1969-02-01), May
patent: 4135677 (1979-01-01), Warczak

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