Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ExxonMobil Oil Corp
Original Assignee
Mobil Oil Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mobil Oil CorpfiledCriticalMobil Oil Corp
Priority to ES557046ApriorityCriticalpatent/ES8705806A1/en
Publication of ES8705806A1publicationCriticalpatent/ES8705806A1/en
Publication of ES557046A0publicationCriticalpatent/ES557046A0/en
The containers with flat rectangular bases, for holding liquids, milk and fruits, are made by (a) forming a tube of thermoplastic film; (b) flattening the tube to form two parallel box pleats; (c) forming two pairs of welded joins in the parts of the tube width corresp. to the pleats, along a diagonal to the tube length; (d) forming a welded transverse join on a line which includes the ends of the pairs of diagonal seams; and (e) separating the four triangular regions of double film bounded by the diagonal seams, the transverse join and the side edges of the tube.
ES557046A1986-09-011986-09-01Thermoplastic film container mfr.
ExpiredES8705806A1
(en)