Kenneth J. Simmons - Stanley NY Donald E. Rowe - Newark NY Richard A. Cummings - Canandaigua NY Phillip S. Baker - Fairport NY
Assignee:
Tenneco Packaging Inc. - Evanston IL
International Classification:
B65D 136
US Classification:
206557
Abstract:
A disposable food container comprises a lid and a base optionally connected to each other along a resilient hinge. The lid includes a top wall, a continuous lid side wall, and a plurality of lid corners. The lid side wall encompasses the top wall and extends downwardly and outwardly from the top wall. The plurality of lid corners are at least partially formed by the lid side wall and include a pair of front lid corners. The base includes a bottom wall, a continuous base side wall, and a plurality of base corners. The base side wall encompasses the bottom wall and extends upwardly and outwardly from the bottom wall. The plurality of base corners are at least partially formed by the base side wall and include a pair of front base corners. If the container is provided with a resilient hinge, the pair of front lid corners and the pair of front base corners are spaced away from the hinge. The container includes a corner latch closure for releasably engaging the lid and the base in a closed position.
Glenn C. Castner - Victor NY Keith A. Messinger - Canandaigua NY Donald E. Rowe - Newark NY
Assignee:
Tenneco Packaging - Evanston IL
International Classification:
B29C 5132
US Classification:
425183
Abstract:
The invention relates to a mold apparatus and a process for forming a lid latching mechanism in a thermoplastic container. The lid latching mechanism features a large, trapezoidally-shaped opening hole. The trapezoidal shape has been found to reduce the amount of tearing that can occur along the edges of an opening formed during the thermoforming process. The opening is created by the engagement between a fixed shear key mounted in a first mold member and a movable shear key which has a trapezoidally-shaped cutting surface and is mounted in a second mold member. The movable key travels along an inclined path as the mold members close on a preheated thermoplastic sheet to form a container.
Process For Making A Trapezoidally-Shaped Opening In A Thermoformed Sheet Material
Glenn C. Castner - Victor NY Keith A. Messinger - Canandaigua NY Donald E. Rowe - Newark NY
Assignee:
Mobil Oil Corporation - Fairfax VA
International Classification:
B29C 4340 B29C 5132
US Classification:
264155
Abstract:
The invention relates to a mold apparatus and a process for forming a lid latching mechanism in a thermoplastic container. The lid latching mechanism features a large, trapezoidally-shaped opening hole. The trapezoidal shape has been found to reduce the amount of tearing that can occur along the edges of an opening formed during the thermoforming process. The opening is created by the engagement between a fixed shear key mounted in a first mold member and a movable shear key which has a trapezoidally-shaped cutting surface and is mounted in a second mold member. The movable key travels along an inclined path as the mold members close on a preheated thermoplastic sheet to form a container.
Glenn C. Castner - Victor NY Keith A. Messinger - Canandaigua NY Donald E. Rowe - Newark NY
Assignee:
Tenneco Packaging Inc. - Evanston IL
International Classification:
B65D 8102 B65D 8530
US Classification:
428 357
Abstract:
The invention relates to a mold apparatus and a process for forming a lid latching mechanism in a thermoplastic container. The lid latching mechanism features a large, trapezoidally-shaped opening hole. The trapezoidal shape has been found to reduce the amount of tearing that can occur along the edges of an opening formed during the thermoforming process. The opening is created by the engagement between a fixed shear key mounted in a first mold member and a movable shear key which has a trapezoidally-shaped cutting surface and is mounted in a second mold member. The movable key travels along an inclined path as the mold members close on a preheated thermoplastic sheet to form a container.
The First 10 Years: Notable Acquisitions of Medieval Renaissance, and Baroque Art, the Martin D'Arcy Gallery of Art, the Loyola University Museum of Medieval and Renaissance Art