Patent · US Active

Packing polycrystalline silicon

US9981796B2 · kind B2 · utility

0Cited by

4References

5Claims

0Family size

Assignee

Wacker Chemie AG · DE

Inventors

Bruno Lichtenegger · Emmerting, DE
Reiner Pech · Vilshofen an der Donau, DE
Matthias VIETZ · Mattighofen, AT

Key dates

Filing date	Jun 26, 2014
Grant date	May 29, 2018
Priority date	—
Expiry date	Feb 28, 2035

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB65D81/2023
WIPO fieldHandling
WIPO sectorMechanical engineering

Abstract

Puncturing of plastic bags containing polysilicon chunks during transport thereof and reduction of fines generation are minimized by use of a transport vessel containing at least two plastic bags containing polysilicon chunks with a packing density of greater than or equal to 500 kg/m3.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.