Heating apparatus

Heating apparatus

A heating apparatus includes an elongated flexible envelope (4) comprising two sheets (6), (8) that are attached to each other along permanent side seams (10), (12) and along a permanent bottom seam (14) and a moisture-activated chemical heater (16) disposed inside envelope (4), wherein envelope (4)...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: HARMSEN GEORGE CARL, FINN ROBERT, WADLINGER MICHAEL, PAYEN VINCENT, MYERS DENNIS L, MITCHELL JOSEPH
Format: Patent
Sprache:eng
Schlagworte:
ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR
BLASTING
COLLECTION, PRODUCTION OR USE OF HEAT NOT OTHERWISE PROVIDEDFOR
CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS
CONVEYING
HANDLING THIN OR FILAMENTARY MATERIAL
HEATING
LIGHTING
MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGINGARTICLES OR MATERIALS
MECHANICAL ENGINEERING
PACKAGES
PACKAGING ELEMENTS
PACKING
PERFORMING OPERATIONS
RANGES
STORING
TRANSPORTING
UNPACKING
VENTILATING
WEAPONS
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Beschreibung
Zusammenfassung:A heating apparatus includes an elongated flexible envelope (4) comprising two sheets (6), (8) that are attached to each other along permanent side seams (10), (12) and along a permanent bottom seam (14) and a moisture-activated chemical heater (16) disposed inside envelope (4), wherein envelope (4) is folded over on itself and secured by temporary side seams (18), (20) and a permanent top seam (22) to form a continuous moisture barrier surrounding the moisture activated chemical heater (16) and wherein heater (2) may be opened for use by removing top seam (22) and unfolding envelope (4) by unpeeling temporary seals (18), (20) to provide unfolded envelope (4), wherein sheets (6) and (8) remain sealed along permanent seams (10), (12) and (14), but wherein envelope (4) now has an open top end (30).