IP Library Granted Patent US 7,305,742
Granted Patent B2
US 7,305,742 · App. 10/293,145 · Granted Dec 11, 2007

Seal for zippered bag

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 7,305,742
App. No.
10/293,145
Granted
Dec 11, 2007
Kind
B2
Abstract

The present invention provides a recloseable bag, the bag having a mouth and including a closure at the mouth, the closure having a first end and a second end. The recloseable bag also includes a first crushed section at the first end of the closure, the closure further including an intact portion. It also includes a first transition area between the first crushed section and the intact portion, and a sealing material in the first transition area.

Claims (15)

1. A zippered closure, the zippered closure having a first end and a second end and a top, and comprising:

a front zipper profile and a back zipper profile;

a first crushed section at the first end of the zippered closure, the zippered closure further including an intact portion;

a first transition area between the first crushed section and the intact portion; and

a sealing material in the first transition area contained within the front and back zipper profile and not having any portion extending beyond the top of the zippered closure.

2. The zippered closure of claim 1 , including a second crushed section at the second end of the zippered closure, a second transition area between the second crushed section and the intact portion, and a sealing material in the second transition area.

3. The zippered closure of claim 1 , wherein the sealing material is thermally activated.

4. The zippered closure of claim 3 , wherein the thermally activated sealing material is glue.

5. The zippered closure of claim 3 , wherein the first crushed section at the first end of the zippered closure is created by a heated die, the heated die heating at least a portion of the thermally activated sealing material.

6. The zippered closure of claim 3 , wherein the first crushed section at the first end of the zippered closure is created by ultrasonic welding.

7. The zippered closure of claim 1 , wherein the sealing material is curable with light.

8. The zippered closure of claim 7 , wherein the light is ultraviolet light.

9. The zippered closure of claim 1 , wherein the sealing material is chemically curable.

10. The zippered closure of claim 1 , wherein the sealing material is a plastic material.

11. The zippered closure of claim 10 , wherein the sealing material is polyethylene.

Assignments (9)
RELEASE OF SECURITY INTEREST Recorded Nov 10, 2021
From: PNC BANK, NATIONAL ASSOCIATION, AS AGENT
To: CTI INDUSTRIES CORPORATION
Reel/Frame 058072/0807 →
RELEASE OF SECURITY INTEREST Recorded Nov 4, 2021
From: PNC BANK, NATIONAL ASSOCIATION, AS AGENT
To: CTI INDUSTRIES CORPORATION
Reel/Frame 058022/0084 →
RELEASE OF SECURITY INTEREST Recorded Oct 29, 2021
From: PNC BANK, NATIONAL ASSOCIATION, AS AGENT
To: YUNHONG CTI LTD. (F/K/A CTI INDUSTRIES CORPORATION)
Reel/Frame 057957/0984 →
RELEASE OF SECURITY INTEREST Recorded Dec 14, 2017
From: BMO HARRIS BANK N.A. (FORMERLY KNOWN AS HARRIS N.A.)
To: CTI INDUSTRIES CORPORATION
Reel/Frame 044402/0764 →
SECURITY INTEREST Recorded Dec 14, 2017
From: CTI INDUSTRIES CORPORATION
To: PNC BANK, NATIONAL ASSOCIATION, AS AGENT
Reel/Frame 044397/0761 →
RELEASE OF SECURITY INTEREST Recorded Dec 14, 2017
From: BMO PRIVATE EQUITY (U.S.), INC.
To: CTI INDUSTRIES CORPORATION
Reel/Frame 044889/0406 →
SECURITY AGREEMENT Recorded Jul 18, 2012
From: CTI INDUSTRIES CORPORATION
To: BMO PRIVATE EQUITY (U.S.), INC.
Reel/Frame 028584/0400 →
SECURITY AGREEMENT Recorded May 3, 2010
From: CTI INDUSTRIES CORPORATION
To: HARRIS N.A.
Reel/Frame 024320/0317 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 8, 2007
From: ANDERSON, BRENT
To: CTI INDUSTRIES CORPORATION
Reel/Frame 019928/0747 →