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Title:
KNAPSACK
Document Type and Number:
Japanese Patent JP3439357
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To provide a knapsack capable of easily performing cooling and heating even outdoors where air conditioning is impossible, and preventing the loss of convenience without any unnecessary reductions in a space in a housing portion by a portable drink or losing the environmental beauty of a sightseeing spot or the like.
SOLUTION: A knapsack is provided with a sack portion 10 for housing an article, a heat insulating case 20 provided in the backrest 11 of the sack portion 10, and a liquid container detachably housed in the heat insulating case 20 and containing drinking liquid inside. In this case, the liquid container as a heat source medium containing frozen or heated drinking liquid is housed in the heat insulating case 20, and by a heat radiating portion 25 provided in the backrest surface side of the heat insulating case 20, the hot air or cool air of the heat source medium is discharged.


Inventors:
Hisaya Matsuo
Application Number:
JP32854398A
Publication Date:
August 25, 2003
Filing Date:
November 18, 1998
Export Citation:
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Assignee:
Hisaya Matsuo
International Classes:
A45C3/00; A45F3/04; A45F3/16; (IPC1-7): A45F3/04; A45C3/00; A45F3/16
Domestic Patent References:
JP1014657A
JP6360452U
JP277020U
Other References:
【文献】登録実用新案3007844(JP,U)
【文献】登録実用新案3015013(JP,U)
Attorney, Agent or Firm:
Mikio Hatta (3 outside)