FR2376028A2 - Partial recirculation of heated air for a shrink wrapping oven - to improve thermal efficiency under cold ambient conditions in forming thermoplastic wrappings - Google Patents

Partial recirculation of heated air for a shrink wrapping oven - to improve thermal efficiency under cold ambient conditions in forming thermoplastic wrappings

Info

Publication number
FR2376028A2
FR2376028A2 FR7639546A FR7639546A FR2376028A2 FR 2376028 A2 FR2376028 A2 FR 2376028A2 FR 7639546 A FR7639546 A FR 7639546A FR 7639546 A FR7639546 A FR 7639546A FR 2376028 A2 FR2376028 A2 FR 2376028A2
Authority
FR
France
Prior art keywords
heated air
thermal efficiency
wrappings
oven
ambient conditions
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.)
Granted
Application number
FR7639546A
Other languages
French (fr)
Other versions
FR2376028B2 (en
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.)
SLEEVER
Original Assignee
SLEEVER
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 SLEEVER filed Critical SLEEVER
Priority to FR7639546A priority Critical patent/FR2376028A2/en
Publication of FR2376028A2 publication Critical patent/FR2376028A2/en
Application granted granted Critical
Publication of FR2376028B2 publication Critical patent/FR2376028B2/fr
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B53/00—Shrinking wrappers, containers, or container covers during or after packaging
    • B65B53/02—Shrinking wrappers, containers, or container covers during or after packaging by heat
    • B65B53/06—Shrinking wrappers, containers, or container covers during or after packaging by heat supplied by gases, e.g. hot-air jets

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)

Abstract

The parent patent describes enclosures served by heaters and a fan to direct hot air for fitting heat shrinkable wrapping on articles conveyed through the enclosure. This addition describes use of a collecting nozzle and duct to recover some of the heated air exhausted from the enclosures and recirculate the air to the fan intake. Partial recycling of heated air improves the thermal efficiency of the system, allowing the equipment previously described in detail to maintain the required enclosure temps. in spite of low (8-15 degrees C) ambient air temps.
FR7639546A 1976-12-30 1976-12-30 Partial recirculation of heated air for a shrink wrapping oven - to improve thermal efficiency under cold ambient conditions in forming thermoplastic wrappings Granted FR2376028A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7639546A FR2376028A2 (en) 1976-12-30 1976-12-30 Partial recirculation of heated air for a shrink wrapping oven - to improve thermal efficiency under cold ambient conditions in forming thermoplastic wrappings

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7639546A FR2376028A2 (en) 1976-12-30 1976-12-30 Partial recirculation of heated air for a shrink wrapping oven - to improve thermal efficiency under cold ambient conditions in forming thermoplastic wrappings

Publications (2)

Publication Number Publication Date
FR2376028A2 true FR2376028A2 (en) 1978-07-28
FR2376028B2 FR2376028B2 (en) 1982-04-30

Family

ID=9181724

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7639546A Granted FR2376028A2 (en) 1976-12-30 1976-12-30 Partial recirculation of heated air for a shrink wrapping oven - to improve thermal efficiency under cold ambient conditions in forming thermoplastic wrappings

Country Status (1)

Country Link
FR (1) FR2376028A2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7231140B2 (en) * 2004-10-15 2007-06-12 Dolton Iii Edward Gerard System for removing snow and ice from a surface

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7231140B2 (en) * 2004-10-15 2007-06-12 Dolton Iii Edward Gerard System for removing snow and ice from a surface

Also Published As

Publication number Publication date
FR2376028B2 (en) 1982-04-30

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