GB633319A - Furnace and other doors - Google Patents
Furnace and other doorsInfo
- Publication number
- GB633319A GB633319A GB565848A GB565848A GB633319A GB 633319 A GB633319 A GB 633319A GB 565848 A GB565848 A GB 565848A GB 565848 A GB565848 A GB 565848A GB 633319 A GB633319 A GB 633319A
- Authority
- GB
- United Kingdom
- Prior art keywords
- door
- lever
- furnace
- doors
- spring
- 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
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23M—CASINGS, LININGS, WALLS OR DOORS SPECIALLY ADAPTED FOR COMBUSTION CHAMBERS, e.g. FIREBRIDGES; DEVICES FOR DEFLECTING AIR, FLAMES OR COMBUSTION PRODUCTS IN COMBUSTION CHAMBERS; SAFETY ARRANGEMENTS SPECIALLY ADAPTED FOR COMBUSTION APPARATUS; DETAILS OF COMBUSTION CHAMBERS, NOT OTHERWISE PROVIDED FOR
- F23M7/00—Doors
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Abstract
633,319. Door operating-appliances. ELLIS, C. C., and WILD-BARFIELD ELECTRIC FURNACES, Ltd. Feb. 25, 1948, No. 5658. Addition to 596,070. i[Class 65 (i)] [Also in Group XII] The suspension device for a vertically movable furnace or other door described in the parent Specification, is modified by forming the lever, or each lever 5, to which the door 3 is pivoted, with a second arm or extension to which is connected a counterbalance spring 7 anchored at 9 to the furnace casing, the arrangement being such that the leverage exerted by the spring increases and its strain decreases as it moves away from the lever pivot 4 in a downward direction when the door is raised.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB565848A GB633319A (en) | 1948-02-25 | 1948-02-25 | Furnace and other doors |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB565848A GB633319A (en) | 1948-02-25 | 1948-02-25 | Furnace and other doors |
Publications (1)
Publication Number | Publication Date |
---|---|
GB633319A true GB633319A (en) | 1949-12-12 |
Family
ID=9800197
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB565848A Expired GB633319A (en) | 1948-02-25 | 1948-02-25 | Furnace and other doors |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB633319A (en) |
-
1948
- 1948-02-25 GB GB565848A patent/GB633319A/en not_active Expired
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