Exhaust silencer casings

B - Operations – Transporting – 65 – B

Patent

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B65B 1/00 (2006.01) F01N 13/18 (2010.01) B65B 3/00 (2006.01) B65B 29/00 (2006.01) F01N 1/24 (2006.01)

Patent

CA 1262711

ABSTRACT METHOD OF AND APPARATUS FOR PACKING EXHAUST SILENCER CASING A strand of fibres of a suitable silencing material, eg basalt, is chopped into discrete lengths by passing it between two roller (12, 15) one (15) of which carries a cutter (14). The chopped roving is carried in an air flow, established by an air blast, air jet or a vacuum, into a silencer casing (1) via a restricted opening (10). The fibres "fluff-up" to a wool-like consistency a they pass into the silencer casing (1). The strand may comprise continuous or relatively short fibres and these may be twisted, plaited or laid parallel.

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