oval shape mark, Injection Molding (Machine)

Kenplas Forum ==> Injection Molding (Machine) ==> oval shape mark

Hello.
My name is Khloe and I got a question on PET square bottle(injection blow). As you see the photo, the oval shape mark appeares on the side of the bottle. Why this shape appear on three side out of four on the bottle?
Please give me the clue of this issue.
Thank you.

2012-1-10 10:12:00 By khloe


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