Tamper evident seal and system

A tamper evident seal for a container having a removable closure wherein said seal comprises:

• a band of heat shrinkable material having an inner surface and an outer surface and circumferentially applicable over said container and closure;
• at least one strip of adhesive material applied to the inner surface of said band transverse to and having a width less than the circumference of said band and extending from one open edge of said band to the opposite edge of said band and capable of adhering to said container and said closure and across the juncture therebetween upon application of said band;
• and
• means on the outer surface of said band to distinguish an area of said band associated with said adhesive from an area of said band not associated with said adhesive.

A tamper evident seal system in combination with a container having a removable closure, said seal system comprising:

• a band of heat shrinkable material having an inner surface and an outer surface and being circumferentially applicable over said container and closure;
• at least one strip of adhesive material applied to the inner surface of said band transverse to and having a width less than the circumference of said band and capable of adhering to said container and closure and across the juncture therebetween when said band is applied over said container and closure;
• means on the outer surface of said band to distinguish the portion of said band to which the adhesive is applied from the portion of said band to which the adhesive is not applied;
• and
• indicia on said container to indicate removal of said band wherein said band is of a length to cover and obscure said indicia when said band is shrunk in place over said container and closure and whereby said portion of said band to which adhesive is applied forms a secondary safety seal remaining on said container and closure upon removal of said portion of said band to which adhesive is not applied.

A tamper evident seal and system comprising, in combination,

• a cylindrical band of heat shrinkable material having at least one strip of adhesive material on the inner surface of said band, said strip extending transversely across said band from one edge thereof to the opposite edge thereof and at an angle no greater than 45.degree. from vertical and said band having separation means permitting said band to separate at a location apart from said at least one strip of adhesive material;
• and
• a combination container and closure having indicia thereon to indicate the absence of said band;
• said band having a circumference and a length fitting over said container and closure and covering said indicia when said band is heat shrunk into tight engagement with said container and closure, said tight engagement causing said strip of adhesive to engage said container and closure and adhere thereto across the junction therebetween, and said separation means being substantially parallel to said strip of adhesive, whereby separation of said band along said separation means permits removal of said band and exposure of said indicia, while said adhesive strip and at least a portion of said band associated therewith remains adhered to said container and said closure and across the juncture therebetween to form a secondary seal across said juncture.