GB669846A - Improvements in or relating to heat insulating blankets - Google Patents
Improvements in or relating to heat insulating blanketsInfo
- Publication number
- GB669846A GB669846A GB8481/49A GB848149A GB669846A GB 669846 A GB669846 A GB 669846A GB 8481/49 A GB8481/49 A GB 8481/49A GB 848149 A GB848149 A GB 848149A GB 669846 A GB669846 A GB 669846A
- Authority
- GB
- United Kingdom
- Prior art keywords
- tray
- envelope
- segment
- heat insulating
- face
- 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
-
- 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
- H05B3/00—Ohmic-resistance heating
- H05B3/20—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
- H05B3/34—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater flexible, e.g. heating nets or webs
- H05B3/342—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater flexible, e.g. heating nets or webs heaters used in textiles
-
- 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
- H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
- H05B2203/017—Manufacturing methods or apparatus for heaters
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Thermal Insulation (AREA)
- Exhaust Silencers (AREA)
Abstract
669,846. Making tagging. JOHNS-MANVILLE CORPORATION. March 29, 1949 [April 14, 1948], No. 8481/49. Classes 83 (ii) and 83 (iv). [Also in Group XIII] Corrugating, rolling.-A sealing envelope of sheet metal, e.g. the alloy known under the Registered Trade Mark " Inconel," for a flexible heat insulating blanket, includes a tray-shaped segment 16 having corrugation grooves 24, which act as hinges, extending across the width to facilitate the flexing of the face when the cover is applied to a curved surface, e.g. of a combustion engine. A strip of sheet metal is shaped on a mould by hard rubber shaping rolls to form the corrugated tray and this tray 16 encloses fibrous insulation 10, e.g. a batt of asbestos, or mineral wool, and binder. A segment 14 in the form of a flat strip is sealed with a lap joint 13 to the tray segment 16 to complete the envelope which may be of arcuate shape in plan, Fig. 6, to accommodate a frusto-conical surface. The tray 16 forms the face which contacts the insulated surface and, furthermore, it is pleated, at intervals on the edges to be flexed, to compensate for the shortening due to the grooves 24. To accommodate pipe fittings, tubular eyelets are provided through the envelope and it may be ventilated by means of a metal hose. The Specification as open to inspection under Sect. 91 comprises also an envelope consisting of more than two metal segments. This subject-matter does not appear in the Specification as accepted.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US669846XA | 1948-04-14 | 1948-04-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB669846A true GB669846A (en) | 1952-04-09 |
Family
ID=22072995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB8481/49A Expired GB669846A (en) | 1948-04-14 | 1949-03-29 | Improvements in or relating to heat insulating blankets |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB669846A (en) |
-
1949
- 1949-03-29 GB GB8481/49A patent/GB669846A/en not_active Expired
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