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US4802295A Expired / Lapsed US ⏱️ 0.0 years remaining

Blow molded polyethylene terephthalate container having IML textured label wall and method for making same

Assignee: Plastipak Packaging Inc
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Filing: 1987-04-28
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Granted: 1989-02-07
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Expires: 2007-04-28
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Abstract

Abstract A blow molded polyethylene terephthalate container (20) is disclosed as having a noncylindrical wall (28) to which at least one label (38) is secured with a textured surface provided by an in-mold labeling operation that prevents label shifting during the blow molding operation. The textured label surface includes isolated depressions (53) that are defined by mold projections (72) which define mold passages (74) through which a vacuum is drawn to provide the label securement. The label and wall depressions (53) of the container and the mold projections (72) that provide these depressions are preferably arranged in a repeating pattern of rows that are inclined in a crossing relationship preferably at 45 degrees with respect to the vertical direction of the container. Each depression (53) preferably has a square shape formed by the square shape of the associated mold projection such that the vacuum passages (74) have a generally straight shape. During the plastic blow molding, the polyethylene terephthalate is preferably stretched to provide biaxial orientation that strengthens the resultant container.

Inventors

  • 👤 Richard C. Darr

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 10:38
CPC Classifications
B; B65; B65D; B65D23/00; B65D23/12; B65D23/14; B29; B29C; B29C49/00; B29C49/24; B29C49/42; B29C49/48; B29C49/52; B29C2049/2412; B29C2949/00; B29C2949/07; B29C2949/0715; B29C49/02; B29C49/06; B29K; B29K2067/00; B29K2995/00; B29K2995/0037; B29K2995/005; B29K2995/0053

Claims Analysis

Total Claims: 12
Claim 1
Independent Claim 142 words
A container comprising: a blow molding made of polyethylene terephthalate and including a noncylindrical wall of a generally uniform thickness having an outer surface; at least one label secured to the outer surface of the wall by in-mold labeling and having upper, lower, and side edges defining junctions with the wall; said wall having abrupt curvatures at the edges of the label to provide a smooth transition at the junctions between the label edges and the outer surface of the wall; the outer surface of the wall outside the perimeter of the label having a relatively smooth surface finish; the outer surface of the label and the outer surface of the wall within the perimeter of the label having a textured surface including isolated depressions; and said label and wall within the perimeter of the label having a combined generally uniform thickness.
Claim 2
Dependent Claim 142 words
A container comprising: a blow molding made of polyethylene terephthalate and including a noncylindrical wall of a generally uniform thickness having an outer surface; at least one label secured to the outer surface of the wall by in-mold labeling and having upper, lower, and side edges defining junctions with the wall; said wall having abrupt curvatures at the edges of the label to provide a smooth transition at the junctions between the label edges and the outer surface of the wall; the outer surface of the wall outside the perimeter of the label having a relatively smooth surface finish; the outer surface of the label and the outer surface of the wall within the perimeter of the label having a textured surface including isolated depressions; and said label and wall within the perimeter of the label having a combined generally uniform thickness.
Claim 3
Dependent Claim 15 words
A container as in claim 1 wherein the depressions are arranged in a repeating pattern.
Claim 4
Dependent Claim 21 words
A container as in claim 2 wherein the depressions are arranged in rows that are inclined with respect to the container.
Claim 5
Dependent Claim 16 words
A container as in claim 3 wherein the inclined rows cross each other in opposite directions.
Claim 6
Dependent Claim 24 words
A container as in claim 4 wherein the crossing rows are inclined at 45 degrees with respect to the vertical direction of the container.
Claim 7
Dependent Claim 15 words
A container as in claim 5 wherein the depressions each have a generally square shape.
Claim 8
Dependent Claim 15 words
A container as in any preceding claim wherein the plastic blow molding is biaxially oriented.
Claim 9
Dependent Claim 163 words
A container comprising: a blow molding made of polyethylene terephthalate and including a noncylindrical wall of a generally uniform thickness having an outer surface; at least one label secured to the outer surface of the wall by in-mold labeling and having upper, lower, and side edges defining junctions with the wall; said wall having abrupt curvatures at the edges of the label to provide a smooth transition at the junctions between the label edges and the outer surface of the wall; the outer surface of the wall outside the perimeter of the label having a relatively smooth surface finish; the outer surface of the label and the outer surface of the wall within the perimeter of the label having a textured surface including generally square depressions that are isolated from each other and arranged in crossing rows inclinded at 45 degrees with respect to the container; and said label and wall within the perimeter of the label having a combined generally uniform thickness.
Claim 10
Dependent Claim 163 words
A container comprising: a blow molding made of polyethylene terephthalate and including a noncylindrical wall of a generally uniform thickness having an outer surface; at least one label secured to the outer surface of the wall by in-mold labeling and having upper, lower, and side edges defining junctions with the wall; said wall having abrupt curvatures at the edges of the label to provide a smooth transition at the junctions between the label edges and the outer surface of the wall; the outer surface of the wall outside the perimeter of the label having a relatively smooth surface finish; the outer surface of the label and the outer surface of the wall within the perimeter of the label having a textured surface including generally square depressions that are isolated from each other and arranged in crossing rows inclinded at 45 degrees with respect to the container; and said label and wall within the perimeter of the label having a combined generally uniform thickness.
Claim 11
Dependent Claim 165 words
A container comprising: a blow molding made of biaxially oriented polyethylene terephthalate and including a noncylindrical wall of a generally uniform thickness having an outer surface; at least one label secured to the outer surface of the wall by in-mold labeling and having upper, lower, and side edges defining junctions with the wall; said wall having abrupt curvatures at the edges of the label to provide a smooth transition at the junctions between the label edges and the outer surface of the wall; the outer surface of the wall outside the perimeter of the label having a relatively smooth surface finish; the outer surface of the label and the outer surface of the wall within the perimeter of the label having a textured surface including generally square depressions that are isolated from each other and arranged in crossing rows inclined at 45 degrees with respect to the container; and said label and wall within the perimeter of the label having a combined generally uniform thickness.
Claim 12
Dependent Claim 165 words
A container comprising: a blow molding made of biaxially oriented polyethylene terephthalate and including a noncylindrical wall of a generally uniform thickness having an outer surface; at least one label secured to the outer surface of the wall by in-mold labeling and having upper, lower, and side edges defining junctions with the wall; said wall having abrupt curvatures at the edges of the label to provide a smooth transition at the junctions between the label edges and the outer surface of the wall; the outer surface of the wall outside the perimeter of the label having a relatively smooth surface finish; the outer surface of the label and the outer surface of the wall within the perimeter of the label having a textured surface including generally square depressions that are isolated from each other and arranged in crossing rows inclined at 45 degrees with respect to the container; and said label and wall within the perimeter of the label having a combined generally uniform thickness.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1992-02-07 1992-08-08 1993-02-07 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1996-02-07 1996-08-08 1997-02-07 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2000-02-07 2000-08-08 2001-02-07 $7700.00 Window Closed / Lapsed

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