US 5,174,657 A · Duplex bag having a handle and method of making same

Abstract

The present invention is directed to a duplex bag having a handle. The bag includes an inner and outer web of thermal plastic material. The outer web includes a front panel, a rear panel and a handle portion. The handle portion is integral with the front and rear panels and has a width less than the width of the front and rear panels. The inner web includes a front panel, a rear panel and a gusset portion. The gusset portion is integral with the front and rear panels and may have a line of perforations spaced from and parallel to the front and rear panels. All panels have about the same dimensions. The handle portion and the gusset portion may be adjacent one another at a top end of the bag. The front panel of the outer web overlies the front panel of the inner web and the rear panel of the outer web overlies the rear panel of the inner web. A side seam is formed at each lateral edge portion of said front and rear panels and seals the panels together.

Claims6

Dependent claims

A duplex bag comprising:

an inner bag for containing product,
an outer bag supporting the inner bag,
the inner bag comprising opposing panels and at least one fold portion connecting the opposing panels,
the outer bag comprising opposing panels and an integral handle portion connecting the opposing panels,
the outer bag handle portion straddling the fold portion of the inner bag and providing additional support for the inner bag, and
the inner and outer bags having openings that are at least partially coextensive to facilitate introduction of product into the inner bag.

3 more elements

Dependencies are inferred from the claim text.

Facts

Application

07/441,474Filed 27 Nov 1989 · continuation in part

Priority

14 Jun 1982

Granted

29 Dec 1992

Term ends

Not estimatedThe source records don’t support an estimate.

Classification7 codes

B65D 33/2508
Riveting; Dovetailing; Screwing; using press buttons or slide fasteners: using slide fasteners with interlocking members having a substantially…
B65D 31/04
Bags or like containers made of paper and having structural provision for thickness of contents: with multiple walls
B65D 33/065
Handles: integral handles
B65D 33/10
Handles: formed of similar material to that used for the bag

Family

Serial388,381Parent of this continuation-in-part · filed 14 Jun 1982

Serial821,561Parent of this continuation-in-part · filed 21 Jan 1986

Serial3,110Parent of this continuation · filed 14 Jan 1987

Serial320,845Parent of this continuation · filed 6 Mar 1989

Serial407,427Parent of this continuation-in-part · filed 14 Sep 1989

US 4,877,336 AParent of this continuation

US 4,713,839 AParent of this continuation-in-part

US 4,573,203 AParent of this continuation-in-part

US 5,174,657 AThis patent

From the US filing history. Foreign family members aren’t listed.

Duplex bag having a handle and method of making same

Life of this patent

Duplex bag having a handle and method of making same

Life of this patent

Abstract

Claims6