Closure assembly having a tear template

In a hand operable easy opening closure system of the type wherein a flexible exterior tape and an interior sheet material are employed to removably seal a preformed opening in an end portion of a container, the improvement which comprises a flexible tear template, said template having a top surface and a bottom surface, said top surface being bonded to the underside of said exterior tape and said bottom surface being bonded to the top of said interior sheet material in the area of said preformed opening and being capable of removing the portion of said interior sheet material in the area of said pour hole and tearing an opening of predetermined shape in said exterior tape when said closure system is opened, there being a removal means attached to said template, said template comprised of uniaxially oriented, heat-set polytetramethyleneterephthalate film having a length of at least 3 mm longer than the sum of the length of the longest dimension of the preformed opening and the folded back portion of the template, and width of approximately that of the preformed opening and having a thickness in the range of about 90 micrometers with a break tensile strength of at least 500 kg/cm.sup.2.

In a hand operable easy opening closure system of the type wherein a flexible exterior tape and an interior sheet material are employed to removably seal a preformed opening in an end portion of a container, the improvement which comprises a flexible tear template, said template being folded back upon itself to provide an upper portion and a lower portion which at least partially overlap, said upper portion being bonded to the underside of said exterior tape and said lower portion being bonded to the top side of said interior sheet material in the area of said preformed opening so as to be capable of removing the interior sheet material in the area of the pour hole.