Roller chimes for closed head drums

Details Roller chimes for closed head drums Roller chimes for closed head drums

1978-10-30

1980-10-21

Shoap, Allan N.

Receptacles

Freight containers

Including inner bag liner

220 70, 220 72, 220 74, 264534, 264541, B65D 9002

Patent

active

042289114

ABSTRACT:
An L-shaped roller chime is provided adjacent each end of a closed head drum. The drum is formed of a thermoplastic material and is blown into shape in an openable mold so that the drum has axially extending dividing seams. Each L-shaped chime has a first leg extending outwardly from the drum and a second leg extending generally perpendicularly to the first leg and in the axial direction of the drum. The depth of the groove formed by the first and second legs and the outer drum surface is uniform, however, the thickness of the first leg varies from a maximum at the dividing seams to a minimum intermediate the seams.

REFERENCES:
patent: 2975931 (1961-03-01), Harrison
patent: 3004285 (1961-10-01), Hagen
patent: 3050773 (1962-08-01), Hagen
patent: 3214797 (1965-11-01), Ollier et al.
patent: 3250429 (1966-05-01), Gesell
patent: 3298514 (1967-01-01), Erickson
patent: 3342915 (1967-09-01), Wanderer
patent: 3561629 (1971-02-01), Turner
patent: 3804289 (1974-04-01), Churan
patent: 3821344 (1974-06-01), Peters
patent: 3825145 (1974-07-01), Reynolds
patent: 3843005 (1974-10-01), Uhlig
patent: 3889839 (1975-06-01), Simon et al.
patent: 3912438 (1975-10-01), Padovani
patent: 3934747 (1976-01-01), Needt
patent: 3938687 (1976-02-01), Maier et al.
patent: 3985257 (1976-10-01), Shaffer et al.
patent: 4094432 (1978-06-01), Zilbert

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