Package making – Methods – Forming a cover adjunct or application of a cover adjunct to...
Reexamination Certificate
2001-06-28
2003-06-24
Kim, Eugene (Department: 3721)
Package making
Methods
Forming a cover adjunct or application of a cover adjunct to...
C053S479000, C053S450000, C053S133400, C053S139200, C493S213000, C493S394000
Reexamination Certificate
active
06581358
ABSTRACT:
FIELD OF THE DISCLOSURE
This disclosure concerns reclosable packages. In particular, this disclosure describes reclosable packages manufactured from form, fill, and seal machines, the packages having slider devices for opening and closing the packages, and methods of manufacturing the packages.
BACKGROUND
Form, fill, and seal technology is known in the packaging industry as a method to package consumable goods. Consumable goods that are not used completely when the package is initially opened rely on a zipper closure to reclose the package and keep the remaining contents fresh. Examples of consumable goods that are often packaged in packages with a zipper closure include potting soil, fertilizer, pet food, dog biscuits, and many different foods edible by humans.
Often, the opening and closing of the zipper closure is facilitated by a slider device that is mounted on the zipper closure. The slider device is constructed to pry apart the interlocking zipper closure members when the slider device is moved in a first direction along the zipper, and to engage the interlocking zipper closure members when the slider device is moved in a second, opposite direction along the zipper. For some applications, a tamper-evident seal, to notify whether access has been gained to the zipper closure, is desired. Improvements in these types of packages are desirable.
BRIEF DESCRIPTION OF THE DRAWINGS
FIG. 1
is a perspective view of a flexible, reclosable package;
FIG. 2
is a schematic, cross-sectional view of a flexible, reclosable package similar to that depicted in
FIG. 1
;
FIG. 3
is a schematic, cross-sectional view of a flexible, reclosable package having a tamper-evident seal;
FIG. 4
is a schematic, cross-sectional view of another embodiment of a flexible, reclosable package having a tamper-evident seal;
FIG. 5
is a schematic, cross-sectional view of a flexible, reclosable package having a tamper-evident seal and a peel seal;
FIG. 6
is a schematic, perspective view of a horizontal form, fill, and seal machine for manufacturing and filling packages having a zipper closure and slider device attachment;
FIG. 7
is an enlarged schematic plan view of a portion of the process depicted in
FIG. 6
;
FIG. 8
is an enlarged schematic side view of a portion of the process depicted in
FIGS. 6 and 7
, viewed from the opposite side of
FIGS. 6 and 7
;
FIG. 9
is an enlarged schematic, cross-sectional view of a process for providing a perforated tamper-evident seal, such as for the packages of
FIG. 3
;
FIG. 10
is an enlarged schematic, cross-sectional view of a process for providing a perforated external tamper-evident seal and an internal tamper-evident seal;
FIG. 11
is an enlarged schematic, cross-sectional view of a process for providing a perforated tamper-evident seal, such as for the package of
FIG. 4
; and
FIG. 12
is an enlarged schematic, cross-sectional view of a process for removing edges of film;
FIG. 13
is an enlarged schematic, cross-section view of a portion of another process for providing an external tamper-evident seal and an internal tamper-evident seal;
FIG. 14
is an enlarged perspective view of a portion of the process of
FIG. 13
;
FIG. 15A
is a front view of an apparatus for use with the process of
FIG. 13
;
FIG. 15B
is a side view of the apparatus of
FIG. 15A
;
FIG. 15C
is a rear view of the apparatus of
FIG. 15A
;
FIG. 15D
is a side view of a portion of the apparatus of FIG. A, the portion being removed from the apparatus; and
FIG. 16
is a schematic perspective view of another portion of the process of FIG.
13
.
REFERENCES:
patent: 3246444 (1966-04-01), Paisley
patent: 4437293 (1984-03-01), Sanborn
patent: 5301394 (1994-04-01), Richardson et al.
patent: 5431760 (1995-07-01), Donovan
patent: 5713669 (1998-02-01), Thomas et al.
patent: 5788378 (1998-08-01), Thomas
patent: 5816018 (1998-10-01), Bois
patent: 5947603 (1999-09-01), Tilman
patent: 5956924 (1999-09-01), Thieman
Beiriger Tracey D.
Daulton Julie R.
Kim Eugene
Reynolds Consumer Products Inc.
Tawfik Sameh
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