Philip Morris Inc.

Wallace M David

Duane C Wilder

James A Bowling

A box-like cigarette pack having tab-like retention members formed in the walls of one of the innerframe and lid. The retention members function to help keep the lid completely closed by producing interference between the lid and the innerframe. The retention members are formed with cuts made at an angle to the plane of the wall in which they are formed. These cuts form pointed edges which are on opposite faces of the wall. Once the retention member is pushed out of the plane of the wall, the pointed edge of the surrounding wall retains the retention member outside the plane of the wall.

Cigarette packs with retention cuts to facilitate consistent lid closure

A method and apparatus for embossing foil to produce warp-free, textured packaging sheet. The method comprises the forming of bosses in the foil while firmly supporting the foil clamped on rigid lands at the perimeter of the boss to be formed. Drawing the foil between rigid male and female walls of a forming cavity while so held, and interposing a sheet of yieldable material between the surface of the female portion of the cavity and the sheet of foil to produce a yieldable matrix against which the foil comes to rest.

Growing community of inventors

Richmond, VA, United States of America

Wallace M David