Plug kit

Details Plug kit Plug kit

2006-09-14

2009-02-17

Hook, James F (Department: 3754)

Pipes and tubular conduits

With closures and plugs

C138S091000, C215S319000, C220S287000, C220S254100, C220S801000, C220SDIG019

Reexamination Certificate

active

07490629

ABSTRACT:
A plug kit of sealing apertures. There is: a first plug, including: a first solid cylindrical flexible member, having: a first end with a first diameter; and a second end, opposite the first end, the second end having a second diameter smaller than the first diameter, wherein the diameter of the first solid cylindrical flexible member decreases step-wise along a length of the first solid cylindrical flexible member; and a second plug, including: a second solid cylindrical flexible member, having: a third end with a third diameter, wherein the third diameter is larger than the first diameter; and a fourth end, opposite the third end, the fourth end having a fourth diameter smaller than the third diameter, smaller than the first diameter, and larger than the second diameter, wherein the diameter of the second solid cylindrical flexible member decreases step-wise along a length of the second solid cylindrical flexible member.

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