Film package having a pouch and leader with different coefficien

Details Film package having a pouch and leader with different coefficien Film package having a pouch and leader with different coefficien

1991-12-06

1993-03-23

Porta, David P.

X-ray or gamma ray systems or devices

Photographic detector support

For plural films or plates

378182, 354277, 206455, G03B 4202

Patent

active

051970902

ABSTRACT:
A package for a stack of film sheets has a pouch that is sealed around the stack of sheets and a leader that is secured to the pouch and engageable with a spindle in a magazine so that rotation of the spindle can pull the pouch from around the stack of sheets. The pouch and leader are formed of different polyolefin materials with the pouch comprising a material having a low coefficient of friction to enable the pouch to be easily pulled around the stack of sheets while the leader comprises a material having a high coefficient of friction to facilitate engagement with the spindle and pulling the pouch uniformly.

REFERENCES:
patent: 4860042 (1989-08-01), Tajima et al.
patent: 4876706 (1989-10-01), Tajima
patent: 4933696 (1990-06-01), Schmidt et al.
patent: 5008694 (1991-04-01), Tajima et al.
patent: 5019849 (1991-05-01), Harrison
patent: 5048686 (1991-09-01), Kausch et al.
patent: 5101229 (1992-03-01), DiPietro

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