(under subclass 99) Spreader of a configuration increasingly to diverge from the axis extending between its end supports, whereby the oppositely outward spreading of the half-width increments of the running web occurs by being: (a) wedge over the resulting intermediate bulged configuration; or (b) directed outwardly by contact with a respective one of resulting pair of oppositely forwardly angled members or portions.
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97, for spreader structure in which each one of a pair of forwardly obliquely angled members are located at respective opposite selvages only (rather than substantially coextensively athwart the entire width of the running length of the web.)