SELF COLLAPSABLE BLOW MOULDED PLASTIC THIN-WALLED CONTAINERS, THEIR MANUFACTURING PROCESS AND THEIR APPLICATIONS IN WATER DISPENSING UNITS

摘要

The invention pertains to self collapsable blow moulded plastic thin-walled PET bottle (1) manufactured by Injection moulding of a preform (100), as well as Stretching, Blowing and Moulding (ISBM) of said preform (100).;Said container (1) having:
a top part (2,3,4,5);a tubular body portion (6);and a bottom structure (7) opposite to the top part (2,3,4,5); preferably a bottle (1), notably for beverages, is characterized:
a) in that it is self-collapsable during its emptying;b) in that it comprises at least two transversal grooves and/or ribs (6.1), preferably located in the tubular body portion (6), optionally with at least some of them being each equipped with at least 2, preferably at least 4, and more preferably between 4 and 8 collapse starters (6.2);c) in that the mean wall thickness (Tmean) of the tubular body portion (6) is—in an increasing order of preference—less than or equal to 200; 180; 160; 150 μM; preferably comprised between 65 and 150; and more preferably comprised between 90 and 130 μm.;The invention also concerns a method, a preform (100) and a mold for the manufacture of said aforementioned container by blow moulding.;The invention also concerns a method for bottling liquid into said bottles (1), a method for dispensing said liquid, a dispenser for implementing said method and a method for packing the thin-walled bottles, in view of storage and transportation.

主权项

1. Plastic thin-walled container (1) having:
a top part (2,3,4,5); a tubular body portion (6); and a bottom structure (7) opposite to the top part (2,3,4,5); preferably a bottle (1), notably for beverages, characterized:
a) in that it is self-collapsable during its emptying;b) in that it comprises at least two transversal grooves and/or ribs (6.1), preferably located in the tubular body portion (6), optionally with at least some of them being each equipped with at least 2, preferably at least 4, and more preferably between 4 and 8 collapse starters (6.2);c) in that the mean wall thickness (Tmean) of the tubular body portion (6) is—in an increasing order of preference—less than or equal to 200; 180; 160; 150 μm; preferably comprised between 65 and 150; and more preferably comprised between 90 and 130 μm.