Disintegratable plug wraps and their applications
AssigneePhilip Morris USA Inc.
InventorsMilton E. Parrish, Lixin L. Xue, Jon A. Regrut, Marvyn Steele, Thomas J. Gannon, Wesley Gilliam Sanderson
Life of this patent
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Abstract
A filter rod used in manufacture of a smoking article contains: (a) a rod of filter material, and (b) a plug wrap surrounding the rod of filter material. The overlapping side edges of the plug wrap are secured together with a plug wrap adhesive and the plug wrap adhesive comprises a disintegration accelerating agent. Alternatively or in addition, the plug wrap may contain perforations.
Claims15
A filter rod used in manufacture of a smoking article, comprising:
- (a) a rod of filter material having a longitudinal axis, and
- (b) a plug wrap surrounding the rod of filter material with overlapping side edges of the plug wrap being secured together with a plug wrap adhesive,
- wherein the plug wrap comprises only a single row of perforations with about 30 to about 120 holes per inch, the single row of perforations extending longitudinally along the axis of the rod of filter material.
A filter rod used in manufacture of a smoking article, comprising:
- (a) a rod of filter material having a longitudinal axis, and
- (b) a plug wrap surrounding the rod of filter material with overlapping side edges of the plug wrap being secured together with a plug wrap adhesive,
- wherein the plug wrap comprises only a single row of perforations with about 30 to about 120 holes per inch, the single row of perforations extending longitudinally along the axis of the rod of filter material, and
- wherein the plug wrap adhesive comprises a disintegration accelerating agent comprising an enzyme.
A smoking article comprising:
- (a) a tobacco rod,
- (b) a filter segment attached to one end of the tobacco rod, wherein the filter segment comprises a segment of a filter rod, and
- (c) a tipping paper circumscribing the filter segment and the tobacco rod,
- wherein the filter rod comprises:
- (a) a rod of filter material having a longitudinal axis, and
- (b) a plug wrap surrounding the rod of filter material with overlapping side edges of the plug wrap being secured together with a plug wrap adhesive,
- wherein the plug wrap comprises only a single row of perforations with about 30 to about 120 holes per inch, the single row of perforations extending longitudinally along the axis of the rod of filter material.
Dependencies are inferred from the claim text.