Beverage-producing packages

• US 6,358,545 B1
• Filed: 05/15/2000
• Issued: 03/19/2002
• Est. Priority Date: 07/28/1997
• Status: Expired due to Term

• Current Assignee: Mars Limited (GREE Inc.)
• Original Assignee: Mars Limited (GREE Inc.)
• Inventors: Chandler, Kevin Paul, Richichi, Umberto
• Primary Examiner(s): Derakshani, Philippe
• Application Number:
  US09/463,360
• Time in Patent Office: 673 Days
• Field of Search: 426/79, 426/77, 426/78, 426/112, 426/120, 222/129.1, 222/92, 222/105, 222/541.3, 383/100, 383/101, 383/103, 383/210
• US Class Current: 426/79
• CPC Class Codes: B65D 33/01 Ventilation or drainage of bags
• CPC Class Codes: B65D 85/8052 Details of the outlet

Abstract

A beverage producing sachet comprising two laminates bonded at their edges and having a bottom seam with an openable portion thereof sealed by a pressure-sensitive adhesive. The base seam includes a reinforcing plastics strip which is heat sealed to both of the laminates except in the openable portion where it is bonded to one of the laminates by pressure-sensitive adhesive.

Claims

1. A generally planar beverage sachet comprising,

a pair of face-to face flexible sheets bonded around their edges to define a sachet with an inner volume containing a product, which produces a beverage when mixed with water,

said bonded edges including a base seam,

said base seam having a portion thereof bonded with a pressure-sensitive adhesive so that when pressurized water is introduced into said sachet said base seam opens in said portion sealed by said pressure-sensitive adhesive, and

wherein said base seam includes a flexible reinforcing strip permanently bonded to the inner face of one of said flexible sheets and bonded to the other of said flexible sheets by said pressure-sensitive adhesive at said portion.

2. A sachet according to claim 1 wherein each said flexible sheet comprises a laminated material having an outer plastics layer, an intermediate foil layer and an inner plastics layer.

3. A sachet according to claim 2 wherein said flexible sheets are bonded together by heat sealing said inner plastics layers together except in the area of said base seam which is sealed by pressure-sensitive adhesive.

4. A sachet according to claim 1 wherein said flexible reinforcing strip is of a plastics material.

5. A sachet according to claim 1 wherein said sachet includes an openable nozzle bonded into one edge of said sachet to enable pressurized water to be introduced into said sachet.