2. INTRODUCTION STRIP PACKAGING IS AN ALTERNATIVE FORM OF PACK FOR A UNIT DOSAGE IT IS A METHOD OF ENCLOSING THE ARTICLE CONCERNED BETWEEN THE TWO WEB OF MATERIAL SO THAT EACH IS CONTAINED BETWEEN SPERATE COMPARTMENT . THE TWO WEB OF MATERIAL MAY NOT BE NECESSARY TO BE IDENTICAL .
3. PROCESS OF PACKAGING TWO WEBS OF MATERIALS BEING FED BETWEEN TWO HEATED CRIMPING ROLLERS ON WHICH THER ARE CIRCUMFERENTIAL CAVITIES OF A SIZE AND DEPTH APPROPRIATE TO THE SHAPE ,SIZE AND THICKNESS OF THE ARTICLE BEING PACKED THE MATERIAL TO BE PACKED IS FED FROM A HOPPER THROUGH CHANNELS TO DROP BETWEEN THE TWO WEBS WHERE THEY MEET BETWEEN THE CRIMPING ROLLS AND THE CAVITIES THERE IN THE WEBS ARE THEN SEAL TOGETHER BY THE ACTIVATION OF THE THERMOPLASTIC COATING ON THEIR INNER SURFACE AND POCKETS FORMED AROUND THE CONTENTS
5. STRIP DESIGN STRIP DESIGN ARE VERY BASIC, AS THE EMERING UNITS ARE INVARIABLY RECTANGULAR OR SQUARE SRIP . THE POCKET CAN BE ROUND ,OVAL AND SQUARE .THE POCKET AREA IS CRITICAL TO THE DIAMETER, SHAPE,AND THICKNESS OF THE PRODUCT. IF THE POCKET IS TOO “TIGHT” CLEARING ,PERFORATION OF POCKET OR THE WRINKLING OF THE SEAL MAY OCCUR.IF THE SEAL AREA IS LIKELY TO WRINKLE OR CREASE THEN WIDER SEALS MAY BE NECESSARY . GENERALY SEAL WIDTH OF 5 mm AND ABOVE IS EMPLOYED
