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1 NOTE: The information contained in this work is the exclusive property of ITW Shippers Products. No part of this work may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying and recording, except as expressly permitted in writing by ITW Shippers Products. All rights are reserved by ITW Shippers Products Presentation and training for
2 Air Bag Definition & Functions Introduction: A dunnage air bag is a poly bladder surrounded by numerous plys of paper, equipped with an inflation valve, and is used to minimize front-to-back load shifting in tractor trailers, railcars, and overseas containers. Characteristics of an Air Bag Compacting or positioning the lading Compacting and positioning takes place during air bag inflation. The air bag surface pushes uniformly out against the load. As the air pressure increases, it overcomes frictional forces, eliminating small voids remaining in the load. No matter how tightly a load is positioned, either by fork truck or by hand, a build- up of small voids will remain. These voids are eliminated by air bag compacting/positioning. Cushioning the lading The second characteristic of air bag bracing is the cushioning that occurs during impact. For example, when a railcar is humped, the compacted lading in the front half acts as one unit rather than individual units which can slam into one another. The rear half of the load is cushioned by squeezing the air bag, increasing its internal air pressure, until equalization of forces occurs. The cushioning effect diminishes the shock of impact.
3 Air Bag Definition & Functions Repositioning the lading When the forward motion of the lading ceases, repositioning of the lading begins. After the lading moves forward, squeezing the air bag, the internal pressure is greatest. The increased air pressure is reduced by pushing the lading back to its original position when the forces stop. Both the cushioning and repositioning of the load will take place in a fraction of a second. Enlarging the void size after inflation The fourth characteristic of air bag bracing is its ability to fill an increased void as the lading settles. Even with rigid products, which have been tightly loaded, settling takes place. In-transit vibration causes the lading to loosen. With other types of bracing, constant pressure cannot be exerted on the load. Air bags have the ability to expand, thus maintaining somewhat reduced but continuous pressure.
4 Movement is eliminated, not just reduced. Freight and van are bonded into an integral unit with high cube efficiency and low exposure to damage.
5 Recommended Air Bag Width vs. Void Size Air Bag SizeMaximum Void 90cm x 120cm30cm 90cm x 180cm40cm
6 IF YOU CAN READ THIS - THE VOID IS TOO LARGE 35 ITW Shippers Air Bag Pallet of lading AIR BAG INSTALLATION (Inaccurate)
7 36 AIR BAG INSTALLATION (Accurate) Pallet of lading Honeycomb Panels ITW Shippers Air Bag Narrow The Void Whenever Possible By: Using honeycomb panels Turning the pallets (Pinwheel) where air bags are applied Switching to a larger air bag size
8 AIR BAG PLACEMENT AIR BAG INSTALLATION
9 ITW SHIPPERS Product Line
10 2 Ply / SE&DEF Paper / Level 1 Stock sizes: – 24x36FF / 36x48FF 36x66FF / 36x84FF 48x48FF / 48x84FF 48x96FF / 36x36TSF 36X48TSF / 48X48TSF 48X60TSF The outer layer is made with two layers of extensible Kraft paper The inner bladder is made with LLDPE (Linear Low Density Polyethylene). The bladder is designed to be impermeable, retaining air for 14 days without loss of more than 0.5 psi Air bag end seams are stitched using Polypropylene thread coupled with filler cord and a crepe tape binding This design uses 3.2 stitches per inch which helps maximizing the paper’s tensile strenght Available with FF and TSF 3 psi max inflation 7 psi average burst For OTR / TL / LTL / Sea container Manufactured with extensible Kraft paper
11 Level 1 PP Woven Dunnage air bags TREMENDOUS LOAD FORCE EXTREMELY DURABLE WOVEN POLYPROPYLENE OUTER SHELL WITH POLYETHYLENE PROTECTIVE BARRIER REUSABLE AND RECYCLABLE MOISTURE RESISTANT AAR VERIFIED WHEN RIGID AND ELASTICITY IS NEEDED PRODUCT SPECIFICATIONS: Section 1: Product: Gorilla Level 1 Polywoven Airbag Manufactured in Turkey Section 2: Material Inner Material: Polyethylene Liner Outer Material: Tubular Woven Polypropylene PE Coated Protective Barrier Section 3: Performance Max. PSI: 3.0 Section 4: Waste Management/Recycling Inner Material: LLDPE category 4 Outer Material: PP category 5
12 Recommended Operating PSI and Burst
13 Fastfill Valve & Inflation Devices Black Max Part # BBS Part # Mouse Tip Part # Inflator kit Part # Fastfill Valve
14 SuperFlow Inflator Part Numbers TSF Inflator & Insert #1 Part # TSF Inflator & Insert #2 Part # TSF Inflator & Insert #3 Part # SuperFlow valve Elbow Part # Insert 2 Part # Insert 1 Part #
15 SuperFlow Benefits High speed inflation = labor saving High speed deflation, no need to slash bag Eliminate the risk of burst Consistent inflation level, eliminate over and under inflation Reusable = reduced cost per use BEST TOOL TO GAIN AND RETAIN AIR BAG BUSINESS
16 Association of American Railroad Product Performance Profile for Pneumatic Dunnage (PPPPD)
17 Dunnage Air Bag Qualification Sheet Airbag Application Survey Company Name & Location:____________________________________________________ What is the product you are shipping:_________________ What is the weight:____________ How is the product packaged for shipping:____________________ How is the load loaded? Lengthwise _____ Widthwise_____Double Stacked_____ By what means of transportation will the product be shipped? Chose all applicable Railcar___ Over the road___ Piggy-Back ___ Ocean Container____ Please describe your loads itinerary from shipping point to destination: Example: from Montreal to Toronto by truck-From Toronto to Vancouver by rail-From Vancouver by ocean container to Japan ____________________________________________________________________ What is the void size you want to fill? ______ is it consistent:_______ If no then what is the largest void size you want to fill:_______ Where is the damage occurring? Front to back ______side to side________ Will Airbags be used in all shipments or only with problem loads (please circle one) How are you currently filling voids? How many trucks per week will be shipped with airbags?______________________ Will the frequency of your airbag usage vary throughout the year? Please describe ________________________________________________________ Do you currently have clean compressed air at your shipping docks? Yes _____ No _____ Name:_________________________________Tel:___________________ _______________________________________________________ Date:________________________________________________________