초록 ▼

A patch bag comprises a lay-flat bag having a patch adhered thereto. The bag has an open top, a closed bottom, and first and second closed sides. The bag is made from a bag film having an inside surface which is sealed to itself. The bag film includes a seal impression on its outside surface. The pa

A patch bag comprises a lay-flat bag having a patch adhered thereto. The bag has an open top, a closed bottom, and first and second closed sides. The bag is made from a bag film having an inside surface which is sealed to itself. The bag film includes a seal impression on its outside surface. The patch is made from a patch film which is adhered to the outside surface of the bag film. The patch covers at least a portion of the seal impression on the outside surface of the bag film. The patch has a smooth, unimpressed outer surface over the seal impression on the bag film. A process for making the patch bag comprises sealing the bag film to itself and thereafter adhering the patch to the bag, with the patch being adhered over the seal impression on the bag film.

대표청구항 ▼

What is claimed is: 1. A patch bag comprising: (A) a lay-flat bag having an open top, a closed bottom, and first and second closed sides, the bag comprising a bag film, the bag including a heat seal of an inside surface of the bag film to itself, the bag having a heat seal impression on an outside

What is claimed is: 1. A patch bag comprising: (A) a lay-flat bag having an open top, a closed bottom, and first and second closed sides, the bag comprising a bag film, the bag including a heat seal of an inside surface of the bag film to itself, the bag having a heat seal impression on an outside surface thereof; and (B) a patch comprising a patch film, the patch film being adhered to the outside surface of the bag film and covering at least a portion of the heat seal impression on the outside surface of the bag film, the patch film having a smooth, unimpressed outer surface directly over the heat seal impression on the outside surface of the bag film. 2. The patch bag according to claim 1, wherein the bag film is heat shrinkable and exhibits a total free shrink of from 10 to 150 percent at 185째 F., and the patch film is heat shrinkable and exhibits a total free shrink of from 10 to 150 percent at 185째 F. 3. The patch bag according to claim 1, wherein the bag is an end seal bag, the bag film being in the form of a seamless tubing, the heat seal being a transverse end seal across the bag film. 4. The patch bag according to claim 3, wherein the patch is a first patch adhered to an outside surface of a first lay-flat side of the bag, the first patch having a first overhanging portion which overhangs a first side edge of the bag and a second overhanging portion which overhangs a second side edge of the bag, and a second patch adhered to an outside surface of a second lay-flat side of the bag, the second patch having a first overhanging portion which overhangs the first side edge of the bag and a second overhanging portion which overhangs the second side edge of the bag, with the first overhanging portion of the first patch and the first overhanging portion of the second patch being adhered to one another, and with the second overhanging portion of the first patch and the second overhanging portion of the second patch being adhered to one another, with both the first and second patches covering the transverse end seal. 5. The patch bag according to claim 3, wherein the bag has a skirt below the end seal, with the patch covering a portion of the skirt, with the bag film having a tear notch present in the skirt, the tear notch extending from a bottom edge of the patch bag to a position below the end seal. 6. The patch bag according to claim 5, wherein the end seal is convex with respect to a straight bottom edge of the bag. 7. The patch bag according to claim 6, wherein the patch is a first patch adhered to an outside surface of a first lay-flat side of the bag, the first patch having a first overhanging portion which overhangs a first side edge of the bag and a second overhanging portion which overhangs a second side edge of the bag, the patch bag further comprising a second patch adhered to an outside surface of a second lay-flat side of the bag, the second patch having a first overhanging portion which overhangs the first side edge of the bag and a second overhanging portion which overhangs the second side edge of the bag, with the first overhanging portion of the first patch and the first overhanging portion of the second patch being adhered to one another, and with the second overhanging portion of the first patch and the second overhanging portion of the second patch being adhered to one another, with both the first and second patches covering the end seal. 8. The patch bag according to claim 1, wherein the bag is a side-seal bag having a first side seal along a first side edge of the bag and a second side seal along a second side edge of the bag, with both the first and second side seals extending a full length of the bag, and with the patch covering at least a portion of the first side seal and at least a portion of the second side seal. 9. The side-seal patch bag according to claim 8, wherein the patch is a first patch adhered to an outside surface of a first lay-flat side of the bag, the first patch overhanging a bottom edge of the bag, the side-seal patch bag further comprising a second patch adhered to an outside surface of a second lay-flat side of the bag, the second patch also overhanging the bottom edge of the bag, with an overhanging portion of the first patch being adhered to an overhanging portion of the second patch. 10. The patch bag according to claim 8, wherein the bag has a skirt outward of the first side seal, the skirt extending from the first side seal to a first side edge, with the patch covering a portion of the skirt and a tear notch in the skirt, the tear notch being at least through the bag film, the tear notch extending from the first side edge of the bag towards the first side seal. 11. The patch bag according to claim 1, wherein the patch is adhered to the bag with an adhesive. 12. The patch bag according to claim 1, wherein the patch is adhered to the bag with corona treatment.