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US 4,056,132 AGranted
Bag filling apparatus with air contaminate prevention
AssigneeOlinkraft, Inc.
InventorCharles E. Decrane
Life of this patent
Estimating the term…
Abstract
A bag filling apparatus has sealing facilities for forming an enclosed chamber around an unclamped portion of the open top of a bag surrounding a filling spout so that contaminates exiting through bulges in the unclamped portion of the top of the bag are prevented from escaping.
Claims10
An apparatus for filling a bag having an open top, comprising in combination:
- filling spout means adapted to be received in the open top of the bag,
- clamping means for tightly engaging a portion of the top of the bag against the filling spout means,
- sealing means for sealingly engaging the remaining portion of the top of the bag, said sealing means defining a portion of an enclosed chamber means disposed for sealingly containing the spout means externally above the remaining portion of the top of the bag to prevent escape of contaminates.
Dependencies are inferred from the claim text.