초록 ▼

A closure includes a plurality of tabs extending upwardly from its top wall to enable manual application of torque to the closure without gripping of the side wall thereof. The preferred tabs have surfaces defining a plane for supporting the closure in an inverted position for installation of a line

A closure includes a plurality of tabs extending upwardly from its top wall to enable manual application of torque to the closure without gripping of the side wall thereof. The preferred tabs have surfaces defining a plane for supporting the closure in an inverted position for installation of a liner, and do not extend radially beyond the side wall of the closure.

대표청구항 ▼

A closure for sealing an open-topped container having an external screw thread, the closure comprising: a top wall for extending across the open top of the container; an annular side wall integrally joined to the top wall about the periphery of the top wall and depending therefrom, and having an int

A closure for sealing an open-topped container having an external screw thread, the closure comprising: a top wall for extending across the open top of the container; an annular side wall integrally joined to the top wall about the periphery of the top wall and depending therefrom, and having an internal screw thread formed on it for engagement with the external screw thread of the container; and means to facilitate rotation of the cap comprising a plurality of tabs extending upwardly from the top wall of the cap providing a plurality of surfaces which may be engaged to apply torque to the cap; the annular side wall having an outer surface which includes a portion of generally circular cross section defining a maximum radius for the closure.