Receptacles – Receptacle side wall made of two or more layers of material... – Beverage receptacle
Patent
1987-10-09
1989-12-12
Foster, Jimmy G.
Receptacles
Receptacle side wall made of two or more layers of material...
Beverage receptacle
220 81R, 220308, B65D 600
Patent
active
048861812
ABSTRACT:
A plastics container assembly has a tubular wall 1 and a bottom end cap 2 fitted thereto to form a base. The wall 1 has an internal flexible and integral peripheral sealing flange 7 which is displaced by abutment with a closure wall 2a during fitting of the end cap to the side wall so that an annular rib 8 on the cap snap engages with an annular groove 5 in the side wall. A flange 12 on the bottom cap overlies the bottom end of the side wall 3 and may be permanently bonded thereto by welding. The flange 7 presents a smoothly curved concave profile 13 and provides a smooth transition 14 with the closure wall 2a.
Fluid seals are provided by abutting surfaces between the rib 8 and groove 5, between the flange 12 and bottom of the wall 1 and between the sealing flange 7 and wall 2a.
In a modification the annular rib is located on the wall 1 to snap engage with an annular groove in the cap 2 and the sealing flange 7 is omitted so that the smoothly curved concave profile is formed by an upward extension wall of the bottom cap 2.
REFERENCES:
patent: 3193132 (1965-07-01), Gray
patent: 3406891 (1968-10-01), Buchner et al.
patent: 3843016 (1974-10-01), Bornhorst et al.
patent: 3952904 (1976-04-01), Verlinden
patent: 4201306 (1980-05-01), Dubois et al.
patent: 4308970 (1982-01-01), Von Holdt
patent: 4355759 (1982-10-01), Amberg
patent: 4453646 (1984-06-01), Harrild
patent: 4799602 (1989-01-01), Collins et al.
Foster Jimmy G.
Lin Pac Mouldings Limited
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