Apparatus for sealing the overlapping edges of a tubular film

Details Apparatus for sealing the overlapping edges of a tubular film Apparatus for sealing the overlapping edges of a tubular film

2007-12-18

2007-12-18

Huynh, Louis (Department: 3721)

Package making

Closing packages and filled receptacles

By means adapted to engage outturned seam of package cover

C053S550000, C053S375900

Reexamination Certificate

active

10505411

ABSTRACT:
An apparatus for sealing longitudinal overlapping edges of tubular thermoplastic film. The apparatus comprises a fixed block (31) for guiding and holding the overlapping edges and a sealing head (6) spaced from the fixed block for directing jets of hot air onto the overlapping edges of the film guided on the fixed block. The sealing head (6) is movably mounted such that the sealing head is positioned a short distance from the film as the film is advancing and the sealing head is withdrawn from the film when the film is stop.

REFERENCES:
patent: 3925963 (1975-12-01), Greenawalt et al.
patent: 3951050 (1976-04-01), Poole
patent: 4103473 (1978-08-01), Bast et al.
patent: 4210480 (1980-07-01), Wilharm
patent: 4260447 (1981-04-01), Muscariello
patent: 4555296 (1985-11-01), Burtch et al.
patent: 4664649 (1987-05-01), Johnson et al.
patent: 4737213 (1988-04-01), Paeglis et al.
patent: 4976811 (1990-12-01), Siebert
patent: 5466326 (1995-11-01), Cherney
patent: 6129809 (2000-10-01), Ellenberger et al.
patent: 7076930 (2006-07-01), Rimondi
patent: 2001/0039997 (2001-11-01), Zeuschner
patent: 2004/0026029 (2004-02-01), Martin et al.
patent: 361237 (1962-03-01), None
patent: 1 238 373 (1971-07-01), None
patent: WO-98/40202 (1998-09-01), None
patent: WO 03/051715 (2003-06-01), None

Affiliated with

Also associated with

Rating

Apparatus for sealing the overlapping edges of a tubular film does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Apparatus for sealing the overlapping edges of a tubular film, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Apparatus for sealing the overlapping edges of a tubular film will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3894220