US 10,843,847 B2 · Powder-resistant reclosure

Abstract

The disclosure pertains to powder-resistant profiles for zippers or reclosures, such as may be used for reclosable packages. A first profile includes a first upper interlocking profile and a first lower interlocking profile, The second profile includes a second upper interlocking profile and a second lower interlocking profile. The first upper and lower interlocking profiles may include male elements while the second upper and lower interlocking profiles may include complementary female elements. A first central area is termed between the first upper and lower interlocking profiles and a second central area is formed between the second upper and lower interlocking profiles. The first and second central areas include respective first and second series of apertures through the male elements to allow powder otherwise trapped between the first and second profiles to escape or exit therethrough.

Claims19

Dependent claims

A zipper or reclosure comprising:

a first profile and a second profile;
the first profile including a first base and at least three first interlocking elements, the at least three first interlocking elements including respective first stems extending away from the first base and terminating in respective first arrowhead elements;
the second profile including a second base and at least three second interlocking elements, the at least three second interlocking elements including respective second stems extending away from the second base and terminating in respective second arrowhead elements;
the first and second interlocking elements including a plurality of apertures passing through at least a portion of at least one of the first and second arrowhead elements and through the respective first and second bases.

1 more element

Dependencies are inferred from the claim text.

Powder-resistant reclosure

Life of this patent

Powder-resistant reclosure

Life of this patent

Abstract

Claims19