.~ Extensible or expansible inserted coupler or centering means for receiver
DEFINITION
Classification: 141/312
(under subclass 311) Filling apparatus in which the supply means is provided with an expandable filling tube or coupler means which enters the receiver whereby the said receiver is centered or held with respect to the supply means by the expansion of the said means internally of the receiver.
SEE OR SEARCH THIS CLASS, SUBCLASS:
265, for means to separate a filled receiver from an internal form.
316, for inserted or externally applied forms for flexible or collapsible receivers where such form is neither extensible nor expansible.
390, for inserted or external forms for receivers to aid in filling operations, and see the search notes thereto.
391, for material guides supported on receivers where the guide is not tapered. See (1) Note.
