B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 49/04 (2006.01) B29C 49/00 (2006.01) B29C 61/00 (2006.01) B29C 61/02 (2006.01) B29C 69/00 (2006.01) B65D 21/02 (2006.01)
Patent
CA 2054304
The wide-necked cask (1) that is of thermo-plastic and which was developed with the aim of achieving minimal space requirement when transported empty has, as an important feature, a conical body section (2) which makes it possible to stack a number of such casks one inside the other; this also incorporates a reinforcing and storage safety ring (11) that is arranged just beneath the cask rim (3) and a foot ring (14). In the extrusion blow moulding process that is used to produce the wide-necked cask, a closed double-cask body with two conical body sections (2), two cask rims (10) and a middle ring is blown. After the removal of the double-cask body from the mould, this is divided into two casks (1) by cutting out the middle ring, and then this middle ring is shrunk onto a cooled cask (1) as a storage safety ring (11).
Fetherstonhaugh & Co.
Schutz-Werke Gmbh & Co. Kg
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