Easily-openable heat seal lid

Details Easily-openable heat seal lid Easily-openable heat seal lid

1982-05-11

1983-09-13

Hall, George T.

Receptacles

Closures

With closure opening arrangements for means

B65D 1734

Patent

active

044037104

ABSTRACT:
Disclosed is an easily openable heat seal lid for sealing a vessel proper by forming a heat-sealed portion between the lid and the vessel proper, which comprises a laminate comprising at least an inner face member composed of a thermoplastic resin and a metal foil, wherein scores defining a portion to be opened are formed on the side inner than the portion to be heat-sealed so that the scores extend to the midway of the thickness direction of the metal foil, and said inner face member comprises at least one heat-sealable thermoplastic resin layer having an adhesion strength of at least 800 g/15 mm to the metal foil, a tear strength lower than 3.0 kg and a tensile modulus of at least 300 kg/cm.sup.2. In this heat seal lid, the resin layer can be broken sharply along the scores and opening can be accomplished very easily.

REFERENCES:
patent: 3187931 (1965-06-01), Henchert
patent: 3339788 (1967-09-01), Lipske
patent: 3735893 (1973-05-01), Gayner et al.
patent: 4108330 (1978-08-01), Patterson

Affiliated with

Also associated with

Rating

Easily-openable heat seal lid does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Easily-openable heat seal lid, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Easily-openable heat seal lid will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1726046