Cover for an opening in a high-frequency heating apparatus

Details Cover for an opening in a high-frequency heating apparatus Cover for an opening in a high-frequency heating apparatus

2005-03-08

2005-03-08

Leung, Philip H. (Department: 3742)

Electric heating

Microwave heating

Field modification

C219S756000, C333S252000

Reexamination Certificate

active

06864471

ABSTRACT:
A plurality of slots are provided so as to be located between a thin plate flexible opening section screen member and a heating chamber wall surface1for allowing insertion of the opening section screen member. A gently-curved bulging surface exists in an area where the heating chamber wall surface1and the opening section screen member5are mated together. As a result, residual warpage which would otherwise remain when the opening section screen member is warped for attachment becomes invisible, thereby preventing occurrence of clearance, which would cause sparking or the like.

REFERENCES:
patent: 3789179 (1974-01-01), Haagensen
patent: 4499356 (1985-02-01), Hatagawa
patent: 4733037 (1988-03-01), Nitta et al.
patent: 5371343 (1994-12-01), Yoshimura et al.
patent: 6100503 (2000-08-01), Sasaki et al.
patent: 6373037 (2002-04-01), Brown et al.
patent: 1 134 779 (1962-08-01), None
patent: 0 848 578 (1998-06-01), None
patent: 1 339 008 (1963-10-01), None
patent: 53-122955 (1978-10-01), None

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