The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 12, 1984
Filed:
Sep. 01, 1982
Allan K Cress, Baltimore, MD (US);
Charles E Busse, Jarrettsville, MD (US);
Maryland Cup Corporation, Owings Mills, MD (US);
Abstract
The present invention is directed to an improved apparatus and method for manufacturing completed foam plastic containers. An endless mandrel chain continuously carries cup forming mandrels along a manufacturing path. Cylindrical blanks are formed and transferred to the mandrels along the endless mandrel carrier chain. As the endless mandrel carrier chain passes the cylindrical blanks and associated bottom blanks through a heat shrink oven, it is important for the endless mandrel carrier chain to continuously travel in order to prevent the heat damage which would be present if the cup blanks were halted in the oven. Consequently, the present invention is directed to a system for synchronizing the cylindrical blank forming and transferring mechanisms and the bottom blank forming and transferring mechanisms to the endless mandrel carrier chain such that the blank forming and transferring stations may be halted from time to time to clear jams or add new sheet stock without the need to halt the endless mandrel carrier chain. The present invention is further directed to a method for synchronizing the cylindrical blank forming and transferring and bottom blank forming and transferring portions of the machine to the endless mandrel carrier chain when the blank forming and transferring stations are restarted.