UST900020I4

UST900020I4 - Sleeve-wrapped package and method op preparing same

Info

Publication number: UST900020I4
Authority: US
Priority date: 1971-04-21
Filing date: 1971-04-21
Publication date: 1972-07-25

Abstract

A PACKAGE COMPRISING AT LEAST ONE ARTICLE ENCLOSED IN AN OPEN ENDED SLEEVE OF SHRINKABLE MATERIAL CAN BE PREPARED BY OVERLAPPING THE OPPOSED ENDS OF A SHEET OF FILM TO FORM A TUBE OR SLEEVE IN WHICH THE ARTICLE IS POSITIONED, THE ENDS OF THE TUBE EXTENDING BEYOND THE ENDS OF THE ARTICLE. ONLY THAT PORTION OF THE SEAM WHICH IS ADJACENT TO A LATERAL SURFACE OF THE ARTICLE IS SEALED. AFTER THE PARTIAL SEALING, THE TUBING IS HEAT SHRUNK ABOUT THE ARTICLE LEAVING THE ENDS OPENINGS OF THE TUBE REDUCED IN SIZE. THE PORTIONS OF THE SEAM ADJACENT THE ENDS OF THE ARTICLE WHICH HAVE NOT BEEN SEALED TERMINATE IN THE PERIPHERY OF THE OPENINGS AND FORM CONVENIENT TEAR TABS.

Description

DEFENSIVE PUBLICATION UNITED STATES PATENT OFFICE Published at the request of the applicant or owner in accordance with the Notice of Dec. 16, 1969, 869 0.G. 687. The abstracts of Defensive Publication applications are identified by distinctly numbered series and are arranged chronologically. The heading of each abstract indicates the number of pages of specification, including claims and sheets of drawings contained in the application as originally filed. The files of these applications are available to the public-tor inspection and reproduction may be purchased for 30 cents a sheet.

Defensive Publication applications have not been examined as to the merits of alleged invention. The Patent Ofice makes no assertion as to the novelty of the disclosed subject matter;

PUBLISHED JULY 25, 1972 T900,020 SLEEVE-WRAPPED PACKAGE AND METHOD OF PREPARING SAME John Quincy Britt and William Owrey Grifliths, Greenville, and Milton Albert Howe, J12, Spartanburg, S.C., assignors to W. R. Grace & C0., Duncan, S.C. Continuation of application Ser. No. 786,028, Dec. 23, 1968. This application Apr. 21, 1971, Ser. No. 136,164 Int. Cl. B6511 65/16, 71/00, 85/62 US. Cl. 206-65 S 4 Sheets Drawing. 7 Pages Specification A package comprising at least one article enclosed in an open ended sleeve of shrinkable material can be prepared by overlapping the opposed ends of a sheet of film to form a tube or sleeve in which the article is positioned, the ends of the tube extending beyond the ends of the article. Only that portion of the seam which is adjacent to a lateral surface of the article is sealed. After the partial sealing, the tubing is heat shrunk about the article leaving the end openings of the tube reduced in size. The portions of the seam adjacent the ends of the article which have not been scaled terminate in the periphery of the openings and form convenient tear tabs.

Jul 25, 1972 J. Q. BRITT ET L TQOQOZQ SLEEVE-WRAPPED PACKAGE AND METHOD OF PREPARING SAME Original Filed Dec. 25, 1968 4 Sheets-Sheet 1 INVENTORSI JOHN Q. BRITT WILLIAM o. GRlFFiTHS MILTON A. HOWE, JR.

BYzyY g 8.161%.

ATTORNEY July 25, 1972 J, -r ET AL TQQQOZQ SLEEVE-WRAPPED PACKAGE AND METHOD OF PREPARING SAME Original Filed Dec. 23, 1968 4 Sheets-Sheet 2 FIG. 4

FIG. 5

INVENTORS.

JOHN Q. BRITT WILLTAM O. GRIFFITHS MILTON A. HOWE JR.

ATTORNEY y 1972 J. Q. BRITT ET AL TQOQDZ SLEEVE-WRAPPED PACKAGE AND METHOD OF PREPARING SAME Original Filed Dec. 23, 1968 4 Sheets-Sheet 3 FIG- 8 INVENTORS:

JOHN Q- BRITT WILLIAM G. GRIFFITHS MILTON A. HOWE, JR.

BY: WM

ATTORNEY Jufly 25, 1972 J, Q BRlTT ET AL TQOQQZQ SLEEVE-WRAPPED PACKAGE AND METHOD OF PREPARING SAME- Original Filed Dec. 23, 1968 4 Sheets-Sheet 4 INVENTORS:

JOHN Q. BRITT WlLLlAM O. GRIFFlTHS MILTON A. HOWE, JR WMMW ATTORNEY