USD376193S - Helically wound lock-seam tube - Google Patents

Helically wound lock-seam tube Download PDF

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Publication number
USD376193S
USD376193S US29/035,875 US3587595F USD376193S US D376193 S USD376193 S US D376193S US 3587595 F US3587595 F US 3587595F US D376193 S USD376193 S US D376193S
Authority
US
United States
Prior art keywords
helically wound
seam tube
wound lock
lock
seam
Prior art date
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.)
Expired - Lifetime
Application number
US29/035,875
Inventor
Kenneth Lennartsson
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.)
Spiro SA
Original Assignee
Protol AG
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 Protol AG filed Critical Protol AG
Priority to US29/035,875 priority Critical patent/USD376193S/en
Assigned to PROTOL A.G. reassignment PROTOL A.G. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: LENNARTSSON, KENNETH
Application granted granted Critical
Publication of USD376193S publication Critical patent/USD376193S/en
Anticipated expiration legal-status Critical
Assigned to SPIRO SA reassignment SPIRO SA ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: PROTOL A.G.
Expired - Lifetime legal-status Critical Current

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Description

FIG. 1 is a perspective view of a helically wound lock-seam tube, showing my new design as seen obliquely from the side; and,
FIG. 2 is an end view of the helically wound lock-seam tube.

Claims (1)

  1. The ornamental design for a helically wound lock-seam tube, as shown and described.
US29/035,875 1995-03-08 1995-03-08 Helically wound lock-seam tube Expired - Lifetime USD376193S (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US29/035,875 USD376193S (en) 1995-03-08 1995-03-08 Helically wound lock-seam tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US29/035,875 USD376193S (en) 1995-03-08 1995-03-08 Helically wound lock-seam tube

Publications (1)

Publication Number Publication Date
USD376193S true USD376193S (en) 1996-12-03

Family

ID=71103169

Family Applications (1)

Application Number Title Priority Date Filing Date
US29/035,875 Expired - Lifetime USD376193S (en) 1995-03-08 1995-03-08 Helically wound lock-seam tube

Country Status (1)

Country Link
US (1) USD376193S (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7775076B2 (en) 2006-01-20 2010-08-17 Trevor Dale Schultz Pinch-point lock-seam tubing, pinch point seaming devices, and methods for manufacturing stabilized lock-seam tubing
USD799012S1 (en) * 2014-06-24 2017-10-03 Kobe Steel, Ltd. Heat exchanger tube

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Pamphlet entitled "The Round Revolution" ©1993 Spiro International S.A., Switzerland.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7775076B2 (en) 2006-01-20 2010-08-17 Trevor Dale Schultz Pinch-point lock-seam tubing, pinch point seaming devices, and methods for manufacturing stabilized lock-seam tubing
USD799012S1 (en) * 2014-06-24 2017-10-03 Kobe Steel, Ltd. Heat exchanger tube

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