Hot water bag and method of manufacturing same

Details Hot water bag and method of manufacturing same Hot water bag and method of manufacturing same

A - Human Necessities

61

F

128/130.5

A61F 7/12 (2006.01)

Patent

CA 1127034

ABSTRACT OF THE DISCLOSURE A hot water bag made of a soft, flexible, rubber-like synthetic material and defining two side walls of a substantially rectangular shape and having a filling neck at a shorter side thereof, comprising a soft flexi- ble coat seam-welded to at least one of said side walls. The hot water bag is manufactured by injection die molding process in assembled outer molds including a core; the bag body with embedded filling neck is first manufactured with a side slit for removing the die core then the pliant coat is seam welded to one side and finally the slit between the side walls is closed by welding.

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