PROCESS FOR THE MANUFACTURE OF DUAL-CHAMBER CONTAINERS FOR FLUID PRODUCTS OF THE MEDICAL, PHARMACEUTICAL, COSMETIC TYPE OR THE LIKE, AND RELATED STRIP
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United States of America Patent
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Issued Date -
Jul 15, 2021
app pub date -
May 5, 2020
filing date -
May 7, 2019
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Abstract
Process for the manufacture of dual-chamber containers (1) includes steps of:
- shaping one layer of a plastic material to form at least one semi-finished product (2);closing the semi-finished product (2) inside a forming mould (3);blowing an expansion gas to make the semi-finished product (2) adhere to the forming mould (3) to form a strip (6) comprising at least one pair of vials (7a, 7b), wherein each of the vials (7a, 7b) is provided with: a hollow body (9) comprising a substantially flat first wall (8a) and a substantially curved second wall (8b);a closed delivery neck (12); andan open bottom tang (14);
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