What is a bird swing defect?
Bird Swing defect is a thin strand of glass across the inside of a container between the walls or between the wall and the bottom. It can occur in both the press-blow and blow-blow process. Breakage of the container during or after filling and packing.
What are the defects of glass?
Critical Defects
| Critical defects | Description |
|---|---|
| Soft Blister | Broken or unbroken bubbles in the thickness of the glass on the finish. |
| Choked Bore | Excess of glass in the neck which partially or completely obstructs the bore and doesn’t allow the filling tube to be introduced. |
| crack |
What is a bird swing bottle?
Bird-swings (These are horizontal filaments of glass that span across the inside of a bottle. Physically, they resemble stalagmites and stalactites that have joined together.
What causes cords in glass?
Both ‘striae’ and ‘cords’ are glass defects ultimately due to lack of homogeneity of the melt. That may result from a variety of primary causes, such as alterations of raw materials, insufficient fining, high viscosity of the melt, and/or temperature lower than required at the whole or parts of the melting tank.
What is a glass blister?
DEFINITION. BLISTERS. Large bubbles in the finish of the glass. INSPECTION.
What does AQL 1 mean?
As an example, consider an AQL of 1% on a production run. This percentage means that no more than 1% of the batch can be defective. If a production run is composed of 1,000 products, only 10 products can be defective. If 11 products are defective, the entire batch is scrapped.
What is packing defect?
Those defect which prevent a package from performing its intended function of protecting its content ,which cause safety hazards in handling , use ,or disposal. In case of critical defect container has to be rejected.
What is glass Ream?
REAM / (see Cords) Inclusions within the glass, or layers. or strings of glass, that are not homogeneous with the. main body of the glass.
What happens if you leave a glass splinter?
Some minor glass splinters may not cause any pain. If your splinter injury is small enough, you can leave it in your foot. Your body will naturally get rid of it as it sheds skin. A small pimple might form around the area as it heals.