Resources Contact Us Home
Method for sealing zipper assembly to bag making film at three or more points

Image Number 4 for United States Patent #6993886.

A method for sealing a zipper assembly to bag making film at three or more points. The zipper assembly comprises a short zipper flange and a long zipper flange. The short flange is joined to one wall of the package while the long flange is joined to both walls of the package to define a product space in which the product is contained. Both the short and long zipper flanges are sealed to the bag making film at a first sealing station prior to folding of the film. After folding, the long zipper flange is sealed at one or more zones of joinder to the other side of the folded film. If the zipper assembly is attached in proximity to the fold line, then the second sealing operation is performed before filling and the bag is filled through the package bottom. If the zipper assembly is attached near the edge of the web of bag making film, then the second sealing operation is performed after the filling operation.

  Recently Added Patents
Manufacturing process for cellular screening substratum, resultant substratum, and method and apparatus for screening
Remote ignition system for a vehicle and method for securing a remote ignition function
Composition comprising a mixture of dextro- and levo-amphetamines complexed with ion-exchange resin particles to form drug resin particles
Information processing apparatus, method for controlling information processing apparatus, and storage medium
Distylium plant named `PIIDIST-I`
Vehicle detection apparatus and method using magnetic sensor
Community profiling for social media
  Randomly Featured Patents
Organic thin film transistor providing smoother movement of holes between electrodes and semiconductor layer and flat panel display device including the same
Quantitative assessment of the geometrical distortion suffered by the profile of a semiconductor wafer
Image coding apparatus, control method therefor and computer program
Removal of particles from solid-state surfaces by laser bombardment
Catalytic carbon for oxidation of carbon monoxide in the presence of sulfur dioxide
Method and apparatus for assessing hemodynamic parameters within the circulatory system of a living subject
Removable cabinet for front-servicable appliances
Steering wheel lock with alarming device
Adjustable mounting bracket
Encapsulation of discrete quanta of fluorescent particles