PLASTIC DRUMS AND METHODS FOR MANUFACTURING PLASTIC DRUMS
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United States of America Patent
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May 28, 2015
app pub date -
Nov 25, 2014
filing date -
Nov 27, 2013
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Abstract
Various methods are described for manufacturing a plastic drum that includes injection-molding upper and lower drum body portions having sidewalls that terminate at an open end. The open end of each drum body portion includes a drum body welding platform. The platform is characterized by a thickening of the drum body portion sidewall. The methods also include aligning the upper drum body portion with respect to the lower drum body portion such that the upper drum body welding platform is aligned with the lower drum body welding platform at an interface, and joining the upper drum body portion to the lower drum body portion at the interface to form the plastic drum. Also described are plastic drums made by the noted methods.
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