Caps and closures developments: Difference between revisions
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== '''A review of caps and closures developments''' == | |||
= A review of caps and closures developments = | |||
'''It was a Swiss designer named Albert Obrist who in 1970 developed the first plastic top for CSD drinks bottles with the injection-moulded onepiece HDPE cap. Originally intended for use with returnable glass bottles, his idea quickly attracted the interest of the PET bottle industry which increased sharply at the end of the 1970s. The key advantages of the HDPE cap over its aluminium counterpart were considered to be, firstly that damage to the bottle mouth caused by rolling the aluminium caps onto the neck finish could be avoided, and secondly that the HDPE caps were more compatible with the precise geometries of the PET thread. Obrist’s innovations were subsequently incorporated into the Crown Cork and Seal Company’s operations during the mid-1980s.''' | '''It was a Swiss designer named Albert Obrist who in 1970 developed the first plastic top for CSD drinks bottles with the injection-moulded onepiece HDPE cap. Originally intended for use with returnable glass bottles, his idea quickly attracted the interest of the PET bottle industry which increased sharply at the end of the 1970s. The key advantages of the HDPE cap over its aluminium counterpart were considered to be, firstly that damage to the bottle mouth caused by rolling the aluminium caps onto the neck finish could be avoided, and secondly that the HDPE caps were more compatible with the precise geometries of the PET thread. Obrist’s innovations were subsequently incorporated into the Crown Cork and Seal Company’s operations during the mid-1980s.''' | ||