US3653338A - Hollow polyethylene rolling pin - Google Patents

Hollow polyethylene rolling pin Download PDF

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Publication number
US3653338A
US3653338A US3653338DA US3653338A US 3653338 A US3653338 A US 3653338A US 3653338D A US3653338D A US 3653338DA US 3653338 A US3653338 A US 3653338A
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Prior art keywords
rolling pin
gel
hollow
hollow cylindrical
handles
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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
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Inventor
William R Sauey
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Flambeau Corp
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Flambeau Plastics Corp
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    • AHUMAN NECESSITIES
    • A21BAKING; EDIBLE DOUGHS
    • A21CMACHINES OR EQUIPMENT FOR MAKING OR PROCESSING DOUGHS; HANDLING BAKED ARTICLES MADE FROM DOUGH
    • A21C3/00Machines or apparatus for shaping batches of dough before subdivision
    • A21C3/02Dough-sheeters; Rolling-machines; Rolling-pins
    • A21C3/021Rolling-pins; Hand-operated spreading or rolling devices

Abstract

An improved rolling pin is provided which includes a hollow cylindrical center member formed of polyethylene and adapted to contain a freezable gel which includes an aqueous celluosic filler. A pair of hollow handles are provided for sealing the ends of the hollow cylindrical center member. The hollow handles are adapted to contain an insulating material such as polystyrene for insulating the freezable gel.

Description

O United States Patent [151 3,653,338 Sauey [4 1 Apr. 4, 1972 [54] HOLLOW POLYETHYLENE ROLLING 2,683,428 7/1954 Neal .107/50 PIN 2,721,524 10/1955 Osborn ..107/50 [72] Inventor: William R. Sauey, Baraboo, Wis. primary p Lawson [73] Assigneez Flambeau Plastics Corporation 4ttorney--Mol1nare, Allegretti, New1tt& Wltcoff [22] Filed: Sept. 17, 1970 [57] ABSTRACT [21] Appl. No.: 73,055 An improved rolling pin is provided which includes a hollow cylindrical center member formed of polyethylene and adapted to contain a freezable gel which includes an aqueous [52] US. Cl ..29 /110.5 celluosic fm A i of hollow handles are provided for Seal 1 3/00 ing the ends of the hollow cylindrical center member. The hol- [58] Field of Search 107/50 1 handles are adapted to contain an insulating material such as polystyrene for insulating the freezable gel. [56] References Cited 5 Claims, 2 Drawing Figures UNITED STATES PATENTS 2,673,532 3/1954 Stair ..l07/50 BACKGROUND OF THE INVENTION The present invention relates to an improved rolling pin article. It is well known in the prior art to provide a rolling pin article which includes generally a center cylindrical member and two handles, one at either end of the center member. The handles are provided to be gripped by the operator who may roll out and shape a piece of dough such as a pie crust or the like. One problem with such rolling pins is related to the release characteristics of the rolling pin surface. An uneven rolling pin surface or a wann rolling pin surface generally results in the sticking of the doughy material to the rolling pin. To remedy this problem, rolling pins have been provided with hollow center sections which contain dry ice or water for chilling the surface of the rolling pin. Other rolling pins have been provided with smooth surface. For example, one such pin employs a thin film of polytetra-fluoroethylene, which is produced by E. I. du Pont de Nemours & Company under the trademark TEFLON.

Such rolling pins, while functioning generally to provide improved release characteristics for the surface of the rolling pin, have disadvantages. For example, a rolling pin which uses water, ice or dry ice as a coolant, must have the coolant replaced from time to time. A disadvantage of a material such as dry ice is that is produces carbon dioxide gas on heating which can build up to undesirable pressures within the rolling Accordingly, it is desirable to provide a rolling pin having a smooth rolling surface and containing coolant for maintaining the surface of the pin in a chilled condition and which may be reused time and again without replacing the coolant contents of the pin. It is also desirable to provide such a rolling pin having handles connected thereto which provide insulators to prevent heat from being transferred to the coolant from the ends of the rolling pin.

SUMMARY OF THE INVENTION The present invention relates generally to an improved rolling pin article comprising a hollow cylindrical member formed of polyethylene having a first and second end, a

freezable gel including an aqueous cellulose filler contained 4 within the hollow cylindrical member and a pair of handles adapted to seal the ends of the hollow cylindrical member so that the gel may be contained securely within the cylindrical member.

In a preferred embodiment, the celluosic filler includes phydroxybenzoic acid methyl ester. Also, in a preferred embodiment each of the handles of the rolling pin is hollow and includes an insulating plug contained therein and formed of polystyrene.

BRIEF DESCRIPTION OF THE DRAWINGS DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT As shown in FIG. 1, the improved rolling pin 10 of this invention includes a hollow cylindrical center member 12. Connected to the ends 14 and 16 of the member 12 are handles 18 and 20. The rolling pin is designed so that the operator may grip the handles 18 and 20 and rotate the surface 22 of the hollow cylindrical member 12 over a doughy material such as pie crust or the like (not shown).

As may be seen from the cross sectional view of FIG. 2, the

center member 12 defines a cavity 24 therein. The section 12 itself 18 formed of polyethylene, a tough and flexible material.

The cavity 24 defined in the center member 12 is adapted to receive a freezable gel for cooling the surface 22 of the member 12. This gel is preferably a celluosic filler and includes a preservative to enable the gel to be reused without spoiling. An example of one composition of the gel is as follows:

Components Quantity H,O (Water) 50 gallons p-hydroxybenzoic acid 8 lbs. 9 ozs.

methylestcr Cellulose Ether 1 oz.

borax 56 oz.

NaCl (Sodium Chloride) A oz.

A slight amount of blue food coloring of the type readily available may be added to color the gel. This gel, when contained within the hollow. center member 12, may be easily frozen in a housewife s freezer. It has the characteristic of absorbing heat slowly after having been frozen so that when it is contained in the hollow center member 12, it maintains the surface 22 of the member 12 in a chilled condition for a substantial time. Also, the rolling pin of this invention with the gel as described can be reused numerous times. In fact, it has been found that a rolling pin and gel made according to the principles of this invention may be reused periodically for a period of two years with no damage being done to the gel or to its heating characteristics or to the rolling pin. 1

Since the handles 18 and 20 of the rolling pin 10 are identical, the description of handle 18 will be equally applicable to handle 20. Handle 18 is a hollow tapering member formed of polyethylene. The handle 18 contains a plug 26 of polystyrene which is sold commercially by the Dow Chemical Company under the trade name STYROFOAM. The polystyrene provides a good seal for the gel contained in the center section 12 as well as an excellent insulator preventing heat from dissipating from the end 14 of the rolling pin 10.

A knurled cap 28 of plastic or other suitable material is threadably connected to the end of the handle 18 to secure the tapered plug 26 within the handle 18. Thus, the tapered plug 26 may be installed within the handle 18 merely by inserting the plug 26 in the handle 18 and screwing on the cap 28.

While in the foregoing there has been described a presently preferred embodiment of the present invention, it is to be understood that modifications may be made to this invention by those skilled in the art without departing from the true spirit and scope of the invention as defined by the appended claims.

What is claimed is:

, 1. An improved rolling pin article comprising, in combinatron:

a hollow cylindrical member formed of polyethylene having a first and a second end;

a freezable gel including an aqueous celluosic filler contained within said hollow cylindrical member; and

a pair of handles adapted to seal said ends of said hollow cylindrical member such that said gel may be contained securely within said member.

2. The rolling pin as set forth in claim 1 wherein said celluosic filler is p-hydroxybenzoic acid methyl ester.

3. The rolling pin as set forth in claim 1 wherein said gel includes Cellulose Ether.

4. The rolling pin as set forth in claim 1 wherein each of said handles is hollow and includes an insulating plug contained therein for insulating said gel.

5. The combination as set forth in claim 4 wherein each of said insulating plugs are formed of polystyrene.

Claims (5)

1. An improved rolling pin article comprising, in combination: a hollow cylindrical member formed of polyethylene having a first and a second end; a freezable gel including an aqueous celluosic filler contained within said hollow cylindrical member; and a pair of handles adapted to seal said ends of said hollow cylindrical member such that said gel may be contained securely within said member.
2. The rolling pin as set forth in claim 1 wherein said celluosic filler is p-hydroxybenzoic acid methyl ester.
3. The rolling pin as set forth in claim 1 wherein said gel includes Cellulose Ether.
4. The rolling pin as set forth in claim 1 wherein each of said handles is hollow and includes an insulating plug contained therein for insulating said gel.
5. The combination as set forth in claim 4 wherein each of said insulating plugs are formed of polystyrene.
US3653338A 1970-09-17 1970-09-17 Hollow polyethylene rolling pin Expired - Lifetime US3653338A (en)

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Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4476806A (en) * 1982-08-31 1984-10-16 The United States Of America As Represented By The Secretary Of The Air Force Wet film applicator
US6007481A (en) * 1990-11-06 1999-12-28 Riek; Siegfried Instrument for the penetration of body tissue with cutting and viewing of body structure
US6585629B2 (en) 2001-01-12 2003-07-01 Wki Holding Company, Inc. Rolling pin with counterweighted eccentric handles
US20050065543A1 (en) * 2001-09-24 2005-03-24 Henry Kahle Bladeless optical obturator
US20060094576A1 (en) * 2004-02-05 2006-05-04 Fiesta Products Llc Silicone rolling pin
US20080086074A1 (en) * 2006-10-06 2008-04-10 Applied Medical Presources Corporation Visual insufflation port
US20090018003A1 (en) * 2007-07-11 2009-01-15 Lynn Vendl Rolling pin
US20090192444A1 (en) * 2008-01-25 2009-07-30 Applied Medical Resources Corporaion Insufflating access system
US20100081988A1 (en) * 2008-09-29 2010-04-01 Applies Medical Resources Corporation First-entry trocar system
US7708713B2 (en) 2004-06-29 2010-05-04 Applied Medical Resources Corporation Insufflating optical surgical instrument
US7722516B2 (en) 2006-02-10 2010-05-25 Christopher Orlady Cold rolling pin system
US8377090B2 (en) 2002-05-16 2013-02-19 Applied Medical Resources Corporation Blunt tip obturator
US8636759B2 (en) 2001-09-24 2014-01-28 Applied Medical Resources Corporation Bladeless obturator
US9254148B2 (en) 2011-05-02 2016-02-09 Applied Medical Resources Corporation Low-profile surgical universal access port

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2673532A (en) * 1950-09-05 1954-03-30 Marie R Stair Flour dispensing rolling pin
US2683428A (en) * 1952-04-03 1954-07-13 Earl S Neal Rolling pin
US2721524A (en) * 1954-11-17 1955-10-25 Walter C Osborn Rolling pin

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2673532A (en) * 1950-09-05 1954-03-30 Marie R Stair Flour dispensing rolling pin
US2683428A (en) * 1952-04-03 1954-07-13 Earl S Neal Rolling pin
US2721524A (en) * 1954-11-17 1955-10-25 Walter C Osborn Rolling pin

Cited By (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4476806A (en) * 1982-08-31 1984-10-16 The United States Of America As Represented By The Secretary Of The Air Force Wet film applicator
US6007481A (en) * 1990-11-06 1999-12-28 Riek; Siegfried Instrument for the penetration of body tissue with cutting and viewing of body structure
US6585629B2 (en) 2001-01-12 2003-07-01 Wki Holding Company, Inc. Rolling pin with counterweighted eccentric handles
US7947058B2 (en) 2001-09-24 2011-05-24 Applied Medical Resources Corporation Bladeless optical obturator
US9655643B2 (en) 2001-09-24 2017-05-23 Applied Medical Resources Corporation Bladeless optical obturator
US9254125B2 (en) 2001-09-24 2016-02-09 Applied Medical Resources Corporation Bladeless obturator
US8940009B2 (en) 2001-09-24 2015-01-27 Applied Medical Resources Corporation Bladeless optical obturator
US8636759B2 (en) 2001-09-24 2014-01-28 Applied Medical Resources Corporation Bladeless obturator
US8608769B2 (en) 2001-09-24 2013-12-17 Applied Medical Resources Corporation Bladeless optical obturator
US20050065543A1 (en) * 2001-09-24 2005-03-24 Henry Kahle Bladeless optical obturator
US20110190592A1 (en) * 2001-09-24 2011-08-04 Applied Medical Resources Corporation Bladeless optical obturator
US8267952B2 (en) 2001-09-24 2012-09-18 Applied Medical Resources Corporation Bladeless optical obturator
US9545248B2 (en) 2002-05-16 2017-01-17 Applied Medical Resources Corporation Blunt tip obturator
US8608768B2 (en) 2002-05-16 2013-12-17 Applied Medical Resources Corporation Blunt tip obturator
US8377090B2 (en) 2002-05-16 2013-02-19 Applied Medical Resources Corporation Blunt tip obturator
US7052450B2 (en) 2004-02-05 2006-05-30 Fiesta Products Llc Silicone rolling pin
US20060094576A1 (en) * 2004-02-05 2006-05-04 Fiesta Products Llc Silicone rolling pin
US7686752B2 (en) 2004-02-05 2010-03-30 Fiesta Products Llc Silicone rolling pin
US20060211555A1 (en) * 2004-02-05 2006-09-21 Fiesta Products Llc Rolling pin with a yieldable rolling surface
US8128590B2 (en) 2004-06-29 2012-03-06 Applied Medical Resources Corporation Insufflating optical surgical instruments
US20100210998A1 (en) * 2004-06-29 2010-08-19 Applied Medical Resources Corporation Insufflating optical surgical instruments
US7708713B2 (en) 2004-06-29 2010-05-04 Applied Medical Resources Corporation Insufflating optical surgical instrument
US9155558B2 (en) 2004-06-29 2015-10-13 Applied Medical Resources Corporation Insufflating optical surgical instrument
US7722516B2 (en) 2006-02-10 2010-05-25 Christopher Orlady Cold rolling pin system
US9492062B2 (en) 2006-10-06 2016-11-15 Applied Medical Resources Corporation Visual insufflation port
US8517977B2 (en) 2006-10-06 2013-08-27 Applied Medical Resources Corporation Visual insufflation port
US20080086074A1 (en) * 2006-10-06 2008-04-10 Applied Medical Presources Corporation Visual insufflation port
US20090018003A1 (en) * 2007-07-11 2009-01-15 Lynn Vendl Rolling pin
US9265899B2 (en) 2008-01-25 2016-02-23 Applied Medical Resources Corporation Insufflating access system
US20090192444A1 (en) * 2008-01-25 2009-07-30 Applied Medical Resources Corporaion Insufflating access system
US20100081988A1 (en) * 2008-09-29 2010-04-01 Applies Medical Resources Corporation First-entry trocar system
US9314266B2 (en) 2008-09-29 2016-04-19 Applied Medical Resources Corporation First-entry trocar system
US9358040B2 (en) 2008-09-29 2016-06-07 Applied Medical Resources Corporation First-entry trocar system
US8506520B2 (en) 2008-09-29 2013-08-13 Applied Medical Resources Corporation Trocar system with laparoscope gas channel
US10022150B2 (en) 2008-09-29 2018-07-17 Applied Medical Resources Corporation First-entry trocar system
US9254148B2 (en) 2011-05-02 2016-02-09 Applied Medical Resources Corporation Low-profile surgical universal access port

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Owner name: FLAMBEAU CORPORATION

Free format text: CHANGE OF NAME;ASSIGNORS:FLAMBEAU PLASTICS CORPORATION (CHANGED TO);FLAMBEAU PRODUCTS CORPORATION (CHANGED TO);REEL/FRAME:004558/0388

Effective date: 19860522