GB1288151A - - Google Patents

Info

Publication number
GB1288151A
GB1288151A GB545070A GB545070A GB1288151A GB 1288151 A GB1288151 A GB 1288151A GB 545070 A GB545070 A GB 545070A GB 545070 A GB545070 A GB 545070A GB 1288151 A GB1288151 A GB 1288151A
Authority
GB
United Kingdom
Prior art keywords
door
frame
rim
feb
closed
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB545070A
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of GB1288151A publication Critical patent/GB1288151A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/64—Heating using microwaves
    • H05B6/76—Prevention of microwave leakage, e.g. door sealings
    • H05B6/763—Microwave radiation seals for doors

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Electric Ovens (AREA)
  • Constitution Of High-Frequency Heating (AREA)

Abstract

1288151 Microwave ovens LITTON INDUSTRIES Inc 4 Feb 1970 [4 Feb 1969] 5450/70 Heading H5H A microwave oven door seal is made so as to be effective during the initial opening movement of the door. The metal side walls 20 bounding the oven cavity are bent, as shown, to provide a frame 10 defining the opening 8, and the door 3 has a projecting rim 14 forming a frame which overlaps frame 10 when the door is closed. A box-shaped, viewing panel support 16 on the inner side of the door has conductive sides 18 facing the rim 14 and providing therewith a channel accommodating the frame 10, which has a plastics inner lining strip 12. An outer lining strip 21, Fig. 3 (not shown), of carbon loaded plastics, is secured to the external surface of frame 10, freeing rim 14 when the door is closed, to prevent radiation leakage. A section 22 of conductive surfaces 18 provides a passage 24 forming a high frequency choke. The usual interlock and timer circuitry is included in the apparatus.
GB545070A 1969-02-04 1970-02-04 Expired GB1288151A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US79653769A 1969-02-04 1969-02-04

Publications (1)

Publication Number Publication Date
GB1288151A true GB1288151A (en) 1972-09-06

Family

ID=25168426

Family Applications (1)

Application Number Title Priority Date Filing Date
GB545070A Expired GB1288151A (en) 1969-02-04 1970-02-04

Country Status (4)

Country Link
US (1) US3544751A (en)
DE (1) DE2001992B2 (en)
FR (1) FR2031199A1 (en)
GB (1) GB1288151A (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5018181Y1 (en) * 1970-06-01 1975-06-04
US3753651A (en) * 1970-08-27 1973-08-21 Wave Energy Systems Method and apparatus for surface sterilization
JPS4939574B1 (en) * 1970-10-23 1974-10-26
US3808391A (en) * 1973-01-29 1974-04-30 Hobart Mfg Co Microwave oven door assembly
US3926556A (en) * 1973-05-30 1975-12-16 Raymond Marcel Gut Boucher Biocidal electromagnetic synergistic process
JPS5256523Y2 (en) * 1974-02-26 1977-12-21
US3955060A (en) * 1974-08-14 1976-05-04 Philip Morris Incorporated Microwave oven construction
JPS5230940A (en) * 1975-09-03 1977-03-09 Tdk Corp High-frequency heating apparatus
US4166207A (en) * 1977-05-31 1979-08-28 Whirlpool Corporation Microwave generating device--door seal
US4563560A (en) * 1982-06-11 1986-01-07 Litton Systems, Inc. Microwave oven construction
US20050178680A1 (en) * 2004-02-18 2005-08-18 Alan Eddleston Modular equipment case
US8809697B2 (en) 2011-05-05 2014-08-19 Carefusion 303, Inc. Passive cooling and EMI shielding system

Also Published As

Publication number Publication date
US3544751A (en) 1970-12-01
FR2031199A1 (en) 1970-11-13
DE2001992B2 (en) 1972-11-30
DE2001992A1 (en) 1971-03-18

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee