Envelopes – wrappers – and paperboard boxes – Wrapper – Bottle
Patent
1975-07-15
1977-01-11
Price, William
Envelopes, wrappers, and paperboard boxes
Wrapper
Bottle
206524, 206219, 229 14C, 259 4AB, 264 464, B65D 566
Patent
active
040022897
ABSTRACT:
Mixing means comprising a disposable static-type mixer having opposed walls of sheet material secured to one another in a pattern such as to establish a flow path therethrough having a plurality of inlets at one end thereof for entry of the materials to be mixed (e.g., two resins forming a two-part plastic foam), an outlet at the other end thereof for exit of the mixture, and a plurality of flow passages between the inlet and the outlets. The flow passages cross one another at a plurality of intersections between the inlets and the outlet for mixing the materials flowing through the passages to the outlet.
A receptacle adapted to receive an item to be packaged and to have plastic foamed in place around the item for protecting the item from damage during shipping, the receptacle having a mouth for placement of the item in the receptacle and for introduction of the plastic material and a disposable static-type mixer secured to the receptacle adjacent its mouth, this static-type mixer being adapted for removable connection to plastic foam material dispensing means and for introducing mixed plastic foam material into the receptacle for foaming in place around the item.
A method of packaging involving placing the item to be packaged in a receptacle, attaching plastic foam material dispensing means to a static-type mixer carried by the receptacle and dispensing mixed plastic foam material into the container around the item via the static-type mixer. The foam dispensing means is then removed from the static-type mixer and the receptacle is closed.
REFERENCES:
patent: 2653139 (1953-09-01), Sterling
patent: 3132382 (1964-05-01), Magester
patent: 3159312 (1964-12-01), Van Sciver
patent: 3383440 (1968-05-01), Chaldekas
patent: 3450253 (1969-06-01), Nielsen
patent: 3485347 (1969-12-01), McGill et al.
patent: 3536190 (1970-10-01), Hirsch et al.
patent: 3618287 (1971-11-01), Gobhal et al.
Bernstein Bruce H.
Price William
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