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...Pressure vessel design for engineering plastics by peter a tuschak many designers use nominal hoop stress have been used formulas applications long s pr t thin walled vessels or time lighter bodies ballcock valves and r p x o i thick spray paint containers figure are just few examples of successful developments stressmaynot in this area as basis we studied typical using significant advances resin development finite element analysis on digital beallyou need to now creating still further opportunities computer found that due geometri increasing stiffness tough cal discontinuities stresses high three ness commercialized new six times the can amorphous suitable blow occur results case know finiteelement molding sizable parts also shown section where developed opening way one step cylindrical torispherical manufacturing these products head join is magnified lines con analysisdemonstrates above activity creates stant contours through maximum approximately article describes studies it occurs ...