Seals
First Claim
1. A breakable and disposable seal for a container, bag, pouch or envelope which is closed by one part locating over a second part, the second part having an opening for receiving part of the breakable seal which locks into the opening in such a manner that it cannot be removed without breaking, the seal in its inserted position locking the first part in place over the second part in a tamper evident fashion, wherein the seal comprises a head part and a body part, the head part in use locating in the opening of the said second part and a line of weakness delimiting the head part from the body part, and wherein the body part has a neck portion which is substantially narrower than a main portion, the neck portion extending between the line of weakness and the main portion, shoulders being defined at the juncture of the neck portion and main portion so that in use a gap exist between the mouth of the opening and the said shoulders when the seal is inserted in the second part.
1 Assignment
0 Petitions
Accused Products
Abstract
The application describes breakable seal for a container, bag, pouch or reusable envelope which is closed by one part locating over a second part, the second part having an opening for receiving the head of the breakable seal which locks into the opening in such a manner that it cannot be removed without breaking, the seal in its inserted position locking the first part in place over the second part in a tamper evident fashion. The seal has an extended neck portion between the line of weakness and the main body part of the seal. Typically said one part is the fastener tab of the zipped opening of a reusable envelope and the second part is the enclosure or chamber of a lock unit mounted on the envelope, adjacent one end of the zipped opening.
-
Citations
7 Claims
- 1. A breakable and disposable seal for a container, bag, pouch or envelope which is closed by one part locating over a second part, the second part having an opening for receiving part of the breakable seal which locks into the opening in such a manner that it cannot be removed without breaking, the seal in its inserted position locking the first part in place over the second part in a tamper evident fashion, wherein the seal comprises a head part and a body part, the head part in use locating in the opening of the said second part and a line of weakness delimiting the head part from the body part, and wherein the body part has a neck portion which is substantially narrower than a main portion, the neck portion extending between the line of weakness and the main portion, shoulders being defined at the juncture of the neck portion and main portion so that in use a gap exist between the mouth of the opening and the said shoulders when the seal is inserted in the second part.
Specification