Karlin James (28 Clarkes Crossing Fairport NY 14450) Bank David G. (4801 Reservoir Rd. Geneseo NY 14454)
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초록▼
An appliance door particularly suited for use as a refrigerator or freezer door includes a hollow, blow molded door slab, and a food storage shell or casing projecting from one wall of the slab. The parts forming the shell are prepared in a first step, e.g., by blow molding, and then are removably m
An appliance door particularly suited for use as a refrigerator or freezer door includes a hollow, blow molded door slab, and a food storage shell or casing projecting from one wall of the slab. The parts forming the shell are prepared in a first step, e.g., by blow molding, and then are removably mounted as inserts in registering recesses formed in the bottom of the cavity of one of two plates or sections forming the mold for the door slab. The two mold sections are then closed over a tubular, plastic parison which is then inflated to form in the mold the hollow door slab, portions of one wall of which mold over and around a series of male projections which extend into the mold cavity from the mold inserts, thus causing the shell to be molded to and to project from the slab upon subsequent opening of the mold sections and removal of the slab therefrom. Additional mold inserts may be used to create expansion grooves in the slab wall which supports the shell, and the opposite or outer wall of the slab may be curved to reduce undesirable effects of thermal bow.
대표청구항▼
An appliance door, comprising a hollow, plastic, molded door slab having a pair of vertically spaced upper and lower end walls, respectively, and a pair of spaced inner and outer walls, respectively, extending between said end walls, a storage shell projecting from the side of said inner wall of sai
An appliance door, comprising a hollow, plastic, molded door slab having a pair of vertically spaced upper and lower end walls, respectively, and a pair of spaced inner and outer walls, respectively, extending between said end walls, a storage shell projecting from the side of said inner wall of said slab remote from said outer wall thereof, said shell comprising a pair of laterally spaced side walls extending vertically of said slab, and a pair of vertically spaced upper and lower end walls, respectively, connected at opposite ends thereof to said side walls and extending transversely therebetween, each of said walls of said shell having thereon at least one projection molded in a registering recess in said inner wall of said slab thereby to fix said walls of said shell to said slab, a pair of vertically spaced pivot pin bushings anchored coaxially of each other in one of said pairs of vertically spaced end walls for use in mounting the door for pivotal movement on an appliance, and into and out of a closed position in which said shell faces the interior of said appliance, and expansion means formed in said door slab to compensate for any thermal bow caused by temperature differentials between the walls of said door slab and the interior of an appliance upon which the slab is mounted.
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이 특허를 인용한 특허 (18)
Rhoades Randy R. ; Tirrell Steven G., Apparatus for thermoforming a plastic appliance door.
Tirrell Steven G. ; Becker Theodore A. ; Hattori Kenneth M. ; Crosby Samuel C. ; Mayne Michael C., Method of thermoforming a plastic refrigerator door.
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