PARTS OF A GLASS BOTTLE

Finish
Neck
Shoulder
Body
Bottom
Insweep (Heel)
Push- Up

Parts of a Glass Bottle

Finish

This is the top of the container above the neck ring parting line.

Neck

The part which extends from the parting line to the curve at the base of the neck.

Shoulder

This extends from the base of the neck to the straight part of the body.

Body

The main part of the container which holds the product.

Bottom

The part of the container on which it stands when upright.

Insweep (Heel)

The curve between body and bottom which helps to improve glass distribution and thus strength.

Push- Up

The center of the bottom which is raised up to provide a flat surface on the outer edge of the bottom.

Narrow Mouth Glass Bottle
Wide Mouth Glass Bottle
Non-Round Glass Bottle

Types of Container

Critical Defects
Major Defects
Minor Defects

Types of Defects

Critical Defects

Are defects that prevent the glass bottle from performing its intended function of safely holding the product. These may cause danger to consumers.

Major Defects

Are defects that make handling the bottle difficult. In this case, bottle durability is questionable.

Minor Defects

Are defects that adversely affect the appearance but not the function of the bottle.

Bent/ Crooked
Blisters
Broken
Bulged
Checked/ Finish Tear
Checks under Finish
Chipped
Corkage
Crizzled
Dirty/ Rough
Neck Ring Seam
Offset
Overpress/ Wire Edge
Seeds
Splits
Stones
Tear Under Finish
Unfilled

Finish Defects

Bent
Choked/ Bore
Danny/ Tear on Neck
Dirty
Hollow
Long
Pinched
Stuck Glass Particles

Neck Defects

Shoulder Checks or Tears
Sunken
Thin

Shoulder Finish

Bird Cage/ Swing
Black Spots
Blank/ Blow Mold Seam
Bruise Checks
Brush Marks
Bulged Sides
Cold Molds
Drag Marks
Hot/ Panel Checks
Letter Checks
Loading Marks
Oil Marks
Spikes
Sunken Sides
Thin Ware
Wash Boards

Body Defects

Baffle Marks
Base Leaner or Rocker Bottom
Base Spikes
Bottom/ Base Checks
Flanged Bottom
Shear Marks
Thick/ Heavy Bottom
Thin Bottom
Wedge/ Slug or Heel Tap

Base or Bottom Defects

Out-of-Shape Ware/ Leaner
Uneven/ Bad Distribution

Other Defects