Ultrasonic weld pattern for adsorbent containing package

A method of preparing an adsorbent containing package including an improved fluid permeability mounting surface for mount of said package to a cooperating support structure of an automotive air conditioning system comprising fusing said package at said mounting surface, and providing a multiplicity of depressed, hard sealed portions and relief portions in said mounting surface.

A method of preparing an adsorbent containing package including an improved fluid permeability mounting surface adapted for mounted disposition adjacent a cooperating support structure of an automotive air conditioning system said method comprising, heat fusing said mounting surface of said package by ultrasonic welding, said ultrasonic welding comprising placing said package between a vibratory horn and a cooperating anvil surface, and providing a multiplicity of raised surfaces on one of said horn and anvil surfaces whereby, during said ultrasonic welding of said package a multiplicity of depressed hard sealed portions and relief portions are formed in said mounting surface.

A pouch comprising a fused surface portion, said fused surface portion comprising a multiplicity of hard sealed portions and relief portions.

An adsorbent containing package, said packet having first and second sealed longitudinal ends, a sealed mounting zone located between said first and second sealed ends, said mounting zone including a fused section of said package and including a multiplicity of depressed hard sealed portions and relief portions formed therein.