Patent · US Expired

Apparatus for the production of a reaction mixture

US4413912A · kind A · utility

0Cited by
4References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 30, 1982
Grant dateNov 8, 1983
Priority date
Expiry dateApr 30, 2002

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB29C33/72
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

The present invention relates to an apparatus for the production of a solid-forming or a foam-forming reaction mixture from at least two flowable components, the apparatus comprising a mixing head, at the outlet opening of which is connected at an angle a filling tube in which an ejection piston which is designed as a piston head and having a piston rod of a smaller diameter is positioned, the rear neutral position of the piston head being located upstream of the outlet opening of the mixing chamber, characterized in that an introduction slit is provided in the filling tube between the rear neutral position of the piston head of the ejection piston and the outlet opening of the mixing chamber and a delivery device for cleaning platelets is associated with the introduction slit.

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