TH6878C3 - Plastic sacks with wings - Google Patents

Abstract

DC60 (04/10/54) Plastic sacks with wings are characterized by a central sack in a rectangular shape. The upper left and right corners are sewn in a right triangle. To form a reverse trapezoidal material filling slot for easy filling of the internal filling material. The bottom end is sewn with a single needle, left-right flap, and the middle with double needle stitch It is made from two materials, polyethylene and polypropylene, which are woven perpendicularly. And has a black color because it has added an ultraviolet light protection agent The winged plastic sack is characterized by a central sack in a rectangular shape. The left corner and the upper extension are sewn in a right triangle. To form a reverse trapezoidal material filter compartment for easy filling of the internal filling material. The bottom end is sewn with a single needle, left-right flap, and the middle with double needle stitch It is made from two materials, polyethylene and polypropylene, which are woven perpendicularly. And has a black color because it is added to prevent ultraviolet light

Claims (2)

1. The plastic sack with wings consists of 3 parts, which are rectangular in shape and 3 parts are sewn together. With the central frame (1) being the central part that looks like a colored plastic bag Black landscape canvas square The bottom end of the bag is sewn firmly with a single needle stitch for preventing leakage of the material in the central frame (1), the left wing (2) and the right wing (3) are plastic sheets. Black vertical canvases These are sewn to the left and right sides of the central frame (1), the left wing (2) and right wing (3) are used to press against the placement and seal the gaps to prevent water leakage. It also strengthens the structure, where the winged plastic sacks are characterized by the left-wing (2) and right-wing (3) sacks with double needle-stitched on the left and right sides. Central frame (1) to ensure the strength of the plastic sack with wings. The top left corner (4) and top right corner (5) of the center frame (1) are single-needle stitched in right triangles on both sides to form a trapezoidal space in the center of the center frame (1) for ease of use. easy In filling materials 2.Plastic sacks with wings according to claim No. 1, made from polyethylene and polypropylene materials with ollet-added ultraviolet stabilizers. And weaving the substance in a perpendicularly crossed pattern for The strength of the plastic sheet of the plastic sack with wings. To block ultraviolet light