美國
US 12,697,785 B2
Variable weld spacing
US 12,697,785 B2 是美國專利商標局（USPTO）的核准專利，日期 2026-08-04。申請人：Georg Fischer Rohrleitungssysteme AG。PDF 可在本頁下載，未登入每天最多 5 篇。
- 申請人
- Georg Fischer Rohrleitungssysteme AG
- 發明人
- Edin HASIFIC; Mariano GUTIERREZ; Benedikt ENGESSER; Thomas WALDRAFF; Juergen ROESCH
- 公開日
- 2026-08-04
- 申請日
- 2024-07-31
- 文件種類
- B2 核准公告
- 也寫作
- US 12,697,785 B2 · US12697785 · 12697785
摘要
Half-shell for the receiving and concentric guidance of a plastic pipe in a butt welding machine, wherein the half-shell has a semi-circular shape with an internal diameter corresponding to the external diameter of the pipe to be received, at least one external diameter in order to be accurately received in a clamping unit of a butt welding machine, a front face, a rear face and a thickness extending axially between the front face and the rear face, wherein at least one spacing element is arranged on the front face and protrudes over the front face in the axial direction.
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專利局網站： 美國專利商標局（USPTO）