Electric heating – Heating devices – Combined with pressure application means
Reexamination Certificate
2007-10-23
2007-10-23
Hoang, Tu Ba (Department: 3742)
Electric heating
Heating devices
Combined with pressure application means
C219S244000, C219S472000, C156S304200, C156S311000, C156S538000
Reexamination Certificate
active
11186319
ABSTRACT:
A tube sealing device for sealing a resilient thermoplastic tube. The tube sealing device includes a base that supports a resilient thermoplastic tube in a fixed position relative to the base. The heating tool and the cooling tool are coupled to the base for movement relative to each other. Relative movement between the heating tool and the base aligns the heating tool with a portion of the resilient thermoplastic tube. The heating tool operates to contact, pinch and heat the portion of the resilient thermoplastic tube. Relative movement between the cooling tool and the base aligns the cooling tool with the same portion of the resilient thermoplastic tube. The cooling tool operates to contact, pinch and cool the resilient thermoplastic tube to form a seal.
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Bliefnick Bruce A.
Slemin Robert M.
Woods Elmer B.
Hoang Tu Ba
Michael & Best & Friedrich LLP
PDC Facilities, Inc.
Ralis Stephen J.
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