Heatable container

Details Heatable container Heatable container

2006-04-05

2008-12-23

Fuqua, Shawntina (Department: 3742)

Electric heating

Heating devices

Combined with container, enclosure, or support for material...

C219S202000, C219S477000, C219S483000, C219S470000, C392S441000, C392S444000, C392S447000, C126S050000, C126S34350A, C126S369000, C126S271100, C126S373100, C126S377100, C126S378100, C126S379100

Reexamination Certificate

active

07468497

ABSTRACT:
A heatable container suitable for material such as bitumen. The container includes a vessel for holding a flowable material having side wall zones, end wall zones and a base wall zone. The container also includes a heating system for transferring heat to at least the base wall zone as well as a zone disposed along a central longitudinal axis of the vessel. The heating system may also included at least two internal heating ducts for conveying a heat transfer medium, wherein the ducts are disposed substantially parallel relative to the central longitudinal axis of the vessel, and are vertically and horizontally spaced apart relative to one another.

REFERENCES:
patent: 1962657 (1934-06-01), Hendricks
patent: 3503381 (1970-03-01), Role
patent: 3633563 (1972-01-01), Osborn
patent: 3681566 (1972-08-01), Sellers
patent: 3757745 (1973-09-01), Miller
patent: 4028527 (1977-06-01), Thagard, Jr.
patent: 4661684 (1987-04-01), Sellers
patent: 5909730 (1999-06-01), Lehmann et al.
patent: 2137116 (1973-02-01), None
patent: 762796 (1956-12-01), None

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