F - Mech Eng,Light,Heat,Weapons – 25 – D
Patent
F - Mech Eng,Light,Heat,Weapons
25
D
312/82.5
F25D 23/08 (2006.01) F16J 13/00 (2006.01)
Patent
CA 1037094
FILLER PLUG Abstract of the Disclosure A closure plug is disclosed which is especially adapted for use in retaining insulation inside the cavities of refrigerators and like appliances. The plug includes a number of petal-like flaps which are conically arrayed and originally point relatively outwardly. When an insulation nozzle is pushed against the petal flaps, the flaps are forced inwardly, and splay apart to permit nozzle insertion through the plug. After the nozzle is withdrawn, the petal flaps return to form an inverted cone pointing relatively inwardly. Beveled petal flap sides provide planar inter-petal contact and structural conical strength to resist the outward flow of insulation. The plug is fastened to a cavity-defining wall by a base having a polygonal cross-sectional shape substantially coextensive with a polygonal wall aperture, and a head of polygonal cross-sectional shape at least congruent with the wall aperture but angularly offset with respect to and depending from the base to engage the wall and retain the plug on the wall. - 1 -
268996
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