Process for reconditioning of standardized plastic tight head dr

Details Process for reconditioning of standardized plastic tight head dr Process for reconditioning of standardized plastic tight head dr

1995-09-20

1997-09-09

Stemmer, Daniel

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156 69, 156 94, B32B 3500

Patent

active

056651899

ABSTRACT:
A process for reconditioning a standardized tight head drum for re-use as either a tight-head drum or a wide-neck drum. The standardized tight head drum has an upper head drum welded to the drum body at a seam. This drum is reconditioned by separating the upper drum head from the drum along a cut line at a location below the seam. The cut edge is smoothed and sized and the interior of the drum is cleaned. For re-use as a tight head drum, an upper head having a fill plug and a vent plug is welded onto the cut edge of the drum. For re-use as a wide-neck drum, a neck ring is welded onto the cut edge and a wide-neck drum cover is placed on the neck ring. The reconditioned tight head and wide-neck drums have the same nominal volume and the same height and diameter dimensions as the tight head drum prior to reconditioning.

REFERENCES:
patent: 5556494 (1996-09-01), Schutz
patent: 5568876 (1996-10-01), Schutz

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