WebHere are some common examples of glass body and sidewall defects, such as bird swing, cord, blisters, and seeds. 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 … WebStudy with Quizlet and memorize flashcards containing terms like Bird Cage/Bird Swing, Spike, Overpress/Wire edge and more.
Quality Defects in Glass Bottle and Jars
WebThe "bird swing" defect is a result of the two sides of the bottle contacting each other during the formation of the parison and prior to the blowing of the container into its final shape. As would be expected, when the two sides of the container touch, the hot, relatively "tacky" glass will fuse and as the container is expanded by air under ... WebSHOULDER DEFECTS. Surface cracks on the shoulder of the containers. They are usually wavy in appearance. BIRD CAGE (BIRD SWING) A string of glass extending across the inside of the container. A bird swing from side-toside comes from the back side (blanks). From seam to seam front side. BLACK SPOTS Small black specks in the container. chair cushion ideas for wooden seats
US3662883A - Bird swing detector - Google Patents
WebBasically, collectible glass soda bottles made after 1900 can be divided into two broad groups. One group consists of smooth base non-machine-made soda bottles. This … WebFeb 25, 2015 · 4. Not full. For material drop temperature is too low or mold is cold will produce bottle mouth, shoulders’ defects, like blowing is not full, chipped, deflated shoulder and patterns are not clear and so on. 5. Cold spots. The not smooth plaque on glass surface is called cold spots. The main cause of this defect is the mold temperature is too ... WebSome common examples of defects include bird swing, cord, blisters, seeds, baffle mark, chipped finish, shoulder check, inclusion, orange peel, choked neck, and fire cracks. … happy birthday balloons for men