Receptacles – Receptacle having flexible – removable inner liner – Means for venting air trapped between the liner and its...
Patent
1990-02-13
1990-10-16
Moy, Joseph Man-Fu
Receptacles
Receptacle having flexible, removable inner liner
Means for venting air trapped between the liner and its...
220412, 220467, 264 464, 264 468, 264516, B29D 2704, B65D 2514
Patent
active
049628658
ABSTRACT:
In manufacturing an insulating box used for a low-temperature show case having a slidable transparent windows on the top opening thereof, a recess is formed on the upper front ends of inner and outer boxes of an insulating box, said recess being provided with a frame covering the gaps between said inner and outer boxes and having a groove for receiving therein a multi-layer transparent panel. After the multi-layer transparent panel is installed in the groove and fixed with a fixation frame, an expandable insulating material is injected into the spaces between said inner and outer boxes to form said insulating box.
REFERENCES:
patent: 3719303 (1973-03-01), Kronenberger
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patent: 3942331 (1976-03-01), Newman, Jr. et al.
patent: 4136141 (1979-01-01), Bauer et al.
patent: 4541545 (1985-03-01), Beattie et al.
patent: 4546899 (1985-10-01), Williams
patent: 4747512 (1988-05-01), Lo
patent: 4878482 (1989-11-01), Pfeffer
Hama Michihisa
Kakinuma Zenichi
Nakada Katsumi
Nakamura Masahiro
Noda Yasuo
Man-Fu Moy Joseph
Sanyo Electric Co,. Ltd.
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