Envelopes – wrappers – and paperboard boxes – Paperboard box – With closure for an access opening
Patent
1986-01-07
1987-10-20
Marcus, Stephen
Envelopes, wrappers, and paperboard boxes
Paperboard box
With closure for an access opening
206 4534, 220 82R, 220307, 220356, 220377, 229162, 22912532, 22912528, B65D 4304, B65D 4306
Patent
active
047008830
ABSTRACT:
A flexible, semi-rigid plastic sheet is folded at opposed sides to form double layer folds perpendicular to the plane of a central portion of sheet material defining end cap side walls joined by a crease and forming slots for seating edges of rectangular tube opposed side walls. Opposed ends of the end cap central portion bear tabs which project within perforations formed within the rectangular tube end walls, completing a rigid end cap closure at the open end of the tube bearing the same.
REFERENCES:
patent: 868850 (1907-10-01), Eckart
patent: 1266685 (1918-05-01), Hothersall
patent: 1946554 (1934-02-01), Sutherland
patent: 1965199 (1934-07-01), McAleer
patent: 2133930 (1938-10-01), Wagner
patent: 2623685 (1952-12-01), Hill
patent: 3142433 (1964-07-01), Balocca
patent: 3253765 (1966-05-01), Train
patent: 3406816 (1968-10-01), Green et al.
patent: 3632038 (1972-01-01), Souza
patent: 3913774 (1975-10-01), Vajtay
patent: 3933297 (1976-01-01), Carlsson et al.
patent: 3941300 (1976-03-01), Troth
patent: 4061241 (1977-12-01), Retelny
patent: 4190174 (1980-02-01), Haimowitz
patent: 4291829 (1981-09-01), Vanderlugt, Jr.
Elkins Gary E.
Marcus Stephen
SLM Corporation
LandOfFree
Tubular package and end cap forming component of same does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Tubular package and end cap forming component of same, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Tubular package and end cap forming component of same will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1608108