Apparatus for closing and sealing containers with a lid

Details Apparatus for closing and sealing containers with a lid Apparatus for closing and sealing containers with a lid

1974-04-30

1976-01-06

McGehee, Travis S.

Package making

Closing packages and filled receptacles

Separate closure applying

53367, B65B 728

Patent

active

039303535

ABSTRACT:
An apparatus for closing and sealing filled containers with a lid includes instrumentalities for positioning an individual lid beneath a sealing die which has an underside. The lid is temporarily held and finally joined to a container under the influence of heat and pressure. Suction is used to hold the lid against the underside of the die while it is being joined to the container. A plurality of protuberances are disposed at the underside of the sealing die. Each of the protuberances has an oblique surface. Each oblique surface has a point lying nearest a sealing surface defining an area of the underside, the area thus defined being substantially equal to that of the lid. Each lid can be consequently positioned correctly on a container and becomes fused therewith.

REFERENCES:
patent: 891511 (1908-06-01), Weissenthanner
patent: 1860954 (1932-05-01), Risser
patent: 3060652 (1962-10-01), Eckman
patent: 3511025 (1970-05-01), Newport
patent: 3752387 (1973-08-01), Arfert

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