Package making – Methods – Closing package or filled receptacle
Patent
1993-04-01
1996-08-06
Johnson, Linda
Package making
Methods
Closing package or filled receptacle
53399, 100 2, 100 33PB, B65B 1302, B65B 5110
Patent
active
055422390
ABSTRACT:
A packing band having a superior weld is disclosed. The band can be made of a stretched thermoplastic resin having a flat cross section. The weld is formed by overlapping ends of the band extending in the lengthwise direction thereof. The weld portion of the band includes a plurality of welded sections separated by at least one non-welded section along the lengthwise direction of the band. The welding of the packing band can be accomplished by overlapping parts of the band in a lengthwise direction thereof; melting discontinuous portions of the parts in a pattern along the length of the band parts of a melted portion, an unmelted portion and a melted portion; and then pressing the parts together so that the melted and unmelted portions of the parts contact each other and form a weld.
REFERENCES:
patent: 3316687 (1967-05-01), Bartlett
patent: 3442732 (1969-05-01), Stensaker et al.
patent: 3445307 (1969-05-01), Balamuth et al.
patent: 3674972 (1972-07-01), Stahnke
patent: 4158711 (1979-06-01), Gould
patent: 4288270 (1981-09-01), Mossell et al.
patent: 4483438 (1984-11-01), Kobiella
patent: 4504353 (1985-03-01), Ford
Fujii Noboru
Hashi Masaaki
Kawabata Kenji
Niikura Junji
Ouya Tomotoshi
Johnson Linda
Sekisui Jushi Kabushiki Kaisha
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