Back to results
US 4,514,962 AGranted
Method and apparatus for filling reclosable bags
AssigneeMinigrip, Inc.
InventorSteven Ausnit
Life of this patent
Estimating the term…
Loading patent…
Loading patent…
AssigneeMinigrip, Inc.
InventorSteven Ausnit
Estimating the term…
Bags supplied in a chain are advanced step by step through a filling station wherein lip flanges on the bag tops are clampingly gripped and pulled apart to separate a reclosable profile fastener, the bag filled and then released from the clamps, and advanced from the filling station. In one arrangement clamp assemblies separate for pulling the flanges apart to open the bag to be filled and a filling nozzle may be inserted down between the separated clamp assemblies. In another embodiment the clamp assemblies include a collapsible and expandable multi-panel funnel assembly through which bag filling contents are delivered into the open bag. Each filled bag is advanced from the filling station and the fastener reclosed after leaving the filling station. The lip flanges may be treated along a transverse separation line to facilitate separation of the filled bag from the next succeeding bag.
A method of seriatim filling of closed bottom bags at a filling station, and wherein the bags are of the kind supplied in a chain and have closed sides and aligned tops closed by reclosable profiled fastener means from which a pair of confronting lip flanges project upwardly and extend continuously along the top of the chain, comprising:
Apparatus including a filling station for seriatim filling of closed bottom bags of the kind supplied in a chain and wherein the bags have closed sides and aligned tops closed by reclosable profiled fastener means from which a pair of confronting lip flanges project upwardly and extend continuously along the top of the chain, and comprising:
Dependencies are inferred from the claim text.