Fluent material handling – with receiver or receiver coacting mea – Processes – Gas or variation of gaseous condition in receiver
Reexamination Certificate
2008-05-06
2008-05-06
Maust, Timothy L. (Department: 3751)
Fluent material handling, with receiver or receiver coacting mea
Processes
Gas or variation of gaseous condition in receiver
C141S011000, C141S069000, C141S082000, C053S511000, C053S127000, C053S452000, C215S381000
Reexamination Certificate
active
07367365
ABSTRACT:
A plastic container comprised of a closed base, a body portion, and a neck portion with a dispensing opening. The closed base includes a substantially rigid support portion and a flexible portion. The body portion preferably includes a shoulder portion and a substantially rigid wall portion that includes a plurality of reinforcement formations. The container is configured so that the flexible portion of the base contracts upwardly about the support portion in response to vacuum pressures generated within the container, while the substantially rigid support portion of the sidewall remains substantially firm, for example, to accept or receive a label. If desired, the shoulder portion may include a logo and/or one or more pressure relief formations. A method for producing hot-filled, labeled containers is also disclosed.
REFERENCES:
patent: 4381061 (1983-04-01), Cerny et al.
patent: 4542029 (1985-09-01), Caner et al.
patent: 4667454 (1987-05-01), McHenry et al.
patent: 4863046 (1989-09-01), Collette et al.
patent: 5060453 (1991-10-01), Alberghini et al.
patent: 5251424 (1993-10-01), Zenger et al.
Darr Richard C.
Slat William A.
Dykema Gossett PLLC
Maust Timothy L.
Plastipak Packaging, Inc.
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