IP Library Granted Patent US 7,669,781
Granted Patent B2
US 7,669,781 · App. 11/829,573 · Granted Mar 2, 2010

Drinking straw comprising a reinforced section

Assignee: Gruenenthal GmbH
View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 7,669,781
App. No.
11/829,573
Granted
Mar 2, 2010
Kind
B2
Abstract

A drinking straw with a wall having a first and a second end, wherein the drinking straw comprises a reinforced section at its first and/or second end. A method for producing a drinking straw is also provided.

Claims (12)

1. A drinking straw comprising a wall having a first and a second end and a reinforced section at least one of the first or second end, wherein

said reinforced section has a double-walled construction in a zone of the at least one first or second end,

the wall is bent at least one of the first or second end by more than 120°,

a cross-section of an internal side of the bent wall is star-shaped,

the bent wall has a radius of greater than 1 mm,

the drinking straw comprises a necked-in portion, and

the drinking straw further comprises a liquid-permeable controller disposed in the straw such that the bent wall and the necked in portion act as stops for the controller to retain the controller in the straw and the controller cannot be sucked or blown out of the straw.

2. A drinking straw according to claim 1 , wherein the wall is bent at least one of the first or second end by more than 140°.

3. A drinking straw according to claim 1 , wherein the wall is bent at least one of the first or second end by more than 160°.

4. A drinking straw according to claim 1 , wherein the wall is bent at least one of the first or second end by almost 180°.

5. A drinking straw according to claim 1 , wherein the radius is from 1-2 mm.

6. A drinking straw according to claim 1 , wherein the straw is made of plastic.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 29, 2017
From: GRÜNENTHAL GMBH
To: DS-TECHNOLOGY GMBH
Reel/Frame 043432/0169 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 27, 2007
From: STERNBERGER, ELKE; SCHATEIKIS, DIETER; BARTHOLOMAEUS, JOHANNES
To: GRUENENTHAL GMBH
Reel/Frame 019919/0400 →
Priority Claims (1)
DE 10 2005 004 256 · Jan 28, 2005 · national
Continuity (2)
Continuation PCTEP200605047100 · Jan 26, 2006
Related Publication 20080011869A1 · Jan 17, 2008