Abstract: The intrusion of insects into a home or similar building is controlled by utilizing insect controlling plastic materials in the construction of the building. The insect controlling plastic building materials are manufactured by first blending one or more plastic resins with one or more insect controlling chemical agents to form a blended plastic resin/insect controlling chemical agent material. The blended plastic resin/insect controlling chemical agent material is then utilized to manufacture plastic films, sheets, non-woven fabrics, woven fabrics, insulating foams, flooring materials, wall covering materials, and the like utilizing conventional manufacturing techniques.

Abstract: A process of manufacturing a bulk bag begins with a tubular blank of woven polypropylene material which is cut along first transversely extending lines 64 to form the upper edges of lift sleeve portions 76, cut along longitudinally extending lines 66 to form the side edges of the lift sleeve portions 76, and cut along substantially transversely extending lines 68 situated at the midpoint of the lines 66 to form opposed top wall halves 72 and opposed bottom wall halves 74. The top wall halves and the bottom wall halves are then sewn together along sew lines 82 and 84, respectively. Sidewalls 70' are joined to the bottom wall halves 74 along sew lines 86, and the top wall halves 72 are joined to the sidewalls 70' along sew lines 88. The lift sleeve portions 76 may be configured to provide lift sleeve, lift rope, or single point lift construction. The top and bottom walls may be provided with a fill chute and discharge chute, respectively.

Abstract: A process of manufacturing a bulk bag begins with a tubular blank of woven polypropylene material which is cut along a first transversely extending line 64 to form the upper edges of lift sleeve portions 76, cut along longitudinally extending lines 66 to form the side edges of the lift sleeve portions 76, and cut along substantially transversely extending lines 68 situated at the midpoint of the lines 66 to form opposed top wall halves 72 and opposed bottom wall halves 74. The top wall halves and the bottom wall halves are then sewn together along sew lines 82 and 84, respectively. Sidewalls 70' are joined to the bottom wall halves 74 along sew lines 86, and the top wall halves 72 are joined to the sidewalls 70' along sew lines 88. The lift sleeve portions 76 may be configured to provide lift sleeve, lift rope, or single point lift construction. The top and bottom walls may be provided with a fill chute and discharge chute, respectively.

Abstract: A method for manufacturing a liner having baffles therein for use in flexible bulk containers, having the steps of: positioning a baffle strip of thermoplastic material adjacent to a continuous sheet of thermoplastic film; heat sealing the baffle strip to the continuous sheet of film at spaced apart intervals; alternately varying the length of continuous sheet film adjacent to the length of baffle strip material between adjacent heat seals to form pockets of excess continuous sheet film between alternating pairs of heat seals; cutting the continuous sheet to a length substantially equal in length to the circumference of the flexible bulk container and; folding the continuous film sheet in half with the attached baffle strip on the inside of the fold and with the fold extending perpendicular to the length of baffle strip; and heat sealing the ends opposite the fold to form a tubular shaped liner with the pockets of the excess film sheet forming corners therein.

Abstract: An improved discharge spout construction for a collapsible receptacle where the entire assembly is constructed with one pass of a double needle sewing machine, thus enabling the construction to be accomplished in a very economical and efficient manner. The spout, the panel which covers the opening in the bottom of the receptacle and the folded triangular flaps which form the drawstring passageways are all sewed together with two spaced sew lines to create a buffer zone between product in the receptacle and the cuts forming the triangular flaps so that if the cuts tear past the first sew line, the second sew line separates the product from the tear.