Adhesive bonding and miscellaneous chemical manufacture – Delaminating processes adapted for specified product – Delaminating in preparation for post processing recycling step
Patent
1979-02-21
1980-07-01
Coan, James F.
Adhesive bonding and miscellaneous chemical manufacture
Delaminating processes adapted for specified product
Delaminating in preparation for post processing recycling step
16147, 1565839, 220335, 93DIG1, B31B 164, E05D 1110
Patent
active
042100682
ABSTRACT:
In a home bag sealer of an integral molded and elongated box housing having an opening for supporting a roll of bag material with a rear pivoted lid on the housing to close the opening and, with a heater along the opening operative on lid closing to seal a selected size bag, there is provided an improvement in the lid assembly of a wall at each end of the opening with a bearing aperture in each wall adjacent the opening at the pivot axis. A flat wall encloses the remaining surface of the housing around the opening and an elongated slot is provided in the flat wall adjacent and parallel to each end wall opposite the opening. A sized projection is provided on at least one, and preferably both, end walls extending away from the opening and offset forward of the apertures and a pair of axially flexible spaced bellcranks is integrally molded to the lid with a free arm directed to the rear of the lid and spaced so that the arms snugly enter the slots with each arm end having a pivot directed towards and received in the apertures for pivoting the lid. The arrangement is such that the cranks are biased or spread apart temporarily to enter the slots and apertures and block the lid open by the projection contacting an arm to prevent pivoting. The lid is closed by rotation to temporarily spread the cranks axially to ride over the projections as the arms enter the slots. The entire assembly comprises only two molded pieces one piece being the box housing, walls, slots, bearings, and projections and the second molding comprising the lid, bellcranks, and pivots so that the two-piece structure provides all the hinging and lid-holding functions.
REFERENCES:
patent: 2268942 (1942-01-01), Jacobs
patent: 2271135 (1942-01-01), Crebbs
patent: 2712149 (1955-07-01), Harms
patent: 3152716 (1964-10-01), Feldhahn
patent: 3378880 (1968-04-01), Haldopoulos et al.
patent: 3847712 (1974-11-01), Hubbard
patent: 3972090 (1976-08-01), Holmes
patent: 4021290 (1977-05-01), Smith
patent: 4093500 (1978-06-01), Browne
patent: 4104108 (1978-08-01), Kishida et al.
patent: 4156382 (1979-05-01), Baker
Coan James F.
Cullen John F.
General Electric Company
Platt Leonard J.
Powers George R.
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