IP Library › Granted Patent US 7,997,050
Granted Patent B2
US 7,997,050 · App. 12/559,776 · Granted Aug 16, 2011

Method of clamping overlaying sheets of material

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Quick Facts
Patent No.
US 7,997,050
App. No.
12/559,776
Granted
Aug 16, 2011
Kind
B2
Abstract

A clamp for sheets of material. The clamp includes a longitudinal main body with an external clamping side. The external clamping side comprises an external dragging surface for engaging a sheet of material. An internal clamping area inwardly extends from the external clamping side. The external dragging surface is at least partially movable into the internal clamping area so as to frictionally drag at least a portion of the sheet of material, engaged thereby, into the internal clamping area therewith. Clamping devices and bagging apparatus including such clamps are also disclosed. A method of clamping overlaying sheets of material is also disclosed.

Claims (12)

1. A method of clamping overlaying sheets of material including at least a first sheet and a second sheet, said method comprising:

engaging the first and second sheets with a respective pair of dragging sheets mounted to a clamping member comprising respective fixed ends thereof being fixed to a first part of the clamping member and respective opposite retractable ends being retractable towards a second part of the clamping member;

frictionally dragging a portion of each first and second sheets between the respective pair of dragging sheets when retracting the retractable ends thereof; and

clamping the portions of each first and second sheets.

2. A method according to claim 1 , wherein said clamping comprises inflating respective inflatable members about the portions.

3. A method according to claim 1 , wherein said clamping comprises engaging the portions between respective pivotable clamping members.

4. A method according to claim 1 , further comprising moving the clamped sheets away from one another.

5. A method of clamping overlaying sheets of material including at least a first sheet and a second sheet, said method comprising:

engaging the first and second sheets with a respective dragging surface mounted to a clamping member;

frictionally dragging a portion of each of the first and second sheets into respective internal clamping areas defined by a clamping member and contiguous with each dragging surface; and

clamping the portions of the first and second sheets within the respective internal clamping areas.

6. A method according to claim 5 , further comprising moving the clamped sheets away from one another.

Assignments (8)
RELEASE OF SECURITY INTEREST Recorded Jun 28, 2022
From: BANK OF AMERICA, N.A., AS ADMINISTRATIVE AGENT
To: INTERTAPE POLYMER CORP.; IPG (US) HOLDINGS INC.; IPG (US) INC.; CANTECH INDUSTRIES, INC.; BP ACQUISITION CORPORATION; BETTER PACKAGES, INC.; INTERTAPE POLYMER GROUP INC.; INTERTAPE POLYMER INC.; IPG LUXEMBOURG FINANCE S.A R.L.
Reel/Frame 060448/0488 →
RELEASE OF PATENT SECURITY INTEREST Recorded Jun 15, 2018
From: WELLS FARGO BANK, NATIONAL ASSOCIATION
To: INTERTAPE POLYMER CORP.; BETTER PACKAGES, INC.
Reel/Frame 047225/0249 →
SECURITY INTEREST Recorded Jun 14, 2018
From: INTERTAPE POLYMER CORP.; IPG (US) HOLDINGS INC.; IPG (US) INC.; CANTECH INDUSTRIES, INC.; BP ACQUISITION CORPORATION; BETTER PACKAGES, INC.; INTERTAPE POLYMER GROUP INC.; INTERTAPE POLYMER INC.; IPG LUXEMBOURG FINANCE S.A. R.L.
To: BANK OF AMERICA, N.A., AS AGENT
Reel/Frame 046368/0196 →
SECURITY INTEREST Recorded Nov 22, 2014
From: INTERTAPE POLYMER CORP.; IPG (US) HOLDINGS INC.; IPG (US) INC.; INTERTAPE POLYMER GROUP INC.; INTERTAPE POLYMER INC.; SPUNTECH FABRICS INC.; INTERTAPE POLYMER US INC.; IPG LUXEMBOURG FINANCE S.A.R.L.
To: WELLS FARGO BANK, NATIONAL ASSOCIATION
Reel/Frame 034415/0682 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 12, 2014
From: ROY METIVIER ROBERGE INC., ACTING AS TRUSTEE OF JACQUES DUSSAULT
To: INTERTAPE POLYMER INC.
Reel/Frame 033512/0406 →
ASSIGNMENT BY ORDER OF THE SUPERIOR COURT OF QUE'BEC, CANADA Recorded Jan 28, 2014
From: L'UNIQUE GENERAL INSURANCE INC.
To: DUSSAULT, JACQUES
Reel/Frame 032112/0580 →
JUDGMENT OF THE SUPERIOR COURT OF QUEBEC, DATED AUGUST 24TH, 2012 Recorded Sep 21, 2012
From: DUSSAULT, JACQUES
To: L'UNIQUE, GENERAL INSURANCE INC.
Reel/Frame 029101/0873 →
SECURITY AGREEMENT Recorded Jul 4, 2012
From: DUSSAULT, MR. JACQUES
To: L'UNIQUE GENERAL INSSURANCE INC.
Reel/Frame 028550/0600 →