US20130081546A1 - Smoking apparatus for processing porkhide dog chews - Google Patents

Smoking apparatus for processing porkhide dog chews Download PDF

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US20130081546A1
US20130081546A1 US13/681,559 US201213681559A US2013081546A1 US 20130081546 A1 US20130081546 A1 US 20130081546A1 US 201213681559 A US201213681559 A US 201213681559A US 2013081546 A1 US2013081546 A1 US 2013081546A1
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smoke
smoking
fuel
box
product
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US13/681,559
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Zhu Zhao Chong
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PRESTIGE PET PRODUCTS Inc
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PRESTIGE PET PRODUCTS Inc
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    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23BPRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
    • A23B4/00General methods for preserving meat, sausages, fish or fish products
    • A23B4/044Smoking; Smoking devices
    • A23B4/052Smoke generators ; Smoking apparatus
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01KANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K15/00Devices for taming animals, e.g. nose-rings or hobbles; Devices for overturning animals in general; Training or exercising equipment; Covering boxes
    • A01K15/02Training or exercising equipment, e.g. mazes or labyrinths for animals ; Electric shock devices ; Toys specially adapted for animals
    • A01K15/025Toys specially adapted for animals
    • A01K15/026Chewable toys, e.g. for dental care of pets
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23KFODDER
    • A23K50/00Feeding-stuffs specially adapted for particular animals
    • A23K50/40Feeding-stuffs specially adapted for particular animals for carnivorous animals, e.g. cats or dogs
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S426/00Food or edible material: processes, compositions, and products
    • Y10S426/805Pet food for dog, cat, bird, or fish

Definitions

  • the present invention relates to methods of processing pet food products made from animal hide.
  • Pet chewing bones made from animal hide are a type of pet food product, called dog chews in the industry.
  • dog chews There is enormous market demand for these products in advanced countries such as Japan, the United States, the United Kingdom, and Australia. Annual sales volumes may reach billions of US dollars.
  • These products are primarily produced in Brazil, Thailand, and China and are exported to countries where there is demand.
  • the dog chew manufacturers in China are primarily located around Shuitou Town, Pingyang County, Wenzhou. The reason for this is that Shuitou Town has the largest pig and cattle tannery centers in China and thus provides a sure supply of raw materials for dog chew production.
  • raw hide undergoes defatting and depilation treatment. It is then split into first, second, third, and fourth layers of rawhide material, which then undergo further defatting, rinsing, and sun-drying to become finished hide products.
  • the finished hide product is then cut, soaked, plaited and shaped, dried, dyed, and flavored, and the result is animal hide dog chews. If the finished-product hide is shredded, mixed with adhesive, mould-pressed and formed, dried, dyed, and flavored, the result is an adhesive product dog chew. That is, dog chews can be classed either as animal hide dog chews or as adhesive product dog chews, depending on the processing steps. In addition, dog chews can also be classed according to the raw material as either cowhide dog chews or porkhide dog chews.
  • cowhide dog chews boast smooth and lustrous surfaces that can easily be dyed different colors and soaked to take on many delicious flavors.
  • the aforementioned process of dyeing and flavoring consists of directly using food dyes and flavor essences on the surface of the finished product. This method is very well suited to cowhide dog chews. Because pork hides have large pores and high fat content, porkhide dog chews appear rough, plain, dull, and white. They smell of rawhide and uncooked oil. Moreover, there is no way to dye or flavor them, for their oily surface can hardly absorb any dyes or flavor essences.
  • a goal of the present invention is to provide a porkhide dog chew processing method that can thoroughly change the original color and odor of porkhide dog chews.
  • the technical solution of the present invention is thus: To use a smoking process on semi-finished porkhide chew products, i.e. shaped hide products or shaped adhesive products, to achieve the objectives of flavoring and dyeing.
  • the above-described technical solution can be: a method of processing porkhide dog chews, the primary processing procedures of which comprise subjecting rawhide to defatting and depilation treatment, then splitting the hide to obtain first, second, third, and fourth-layer rawhide materials, then defatting, rinsing, and sun-drying same to make a finished hide product, then cutting, soaking, pleating, shaping, and drying the finished hide product to form a shaped animal hide product, and then smoking the shaped animal hide product to achieve the objectives of dyeing and flavoring and thus to obtain finished porkhide dog chew products.
  • the above-described technical solution can also be: a method of processing porkhide dog chews, the primary processing procedures of which comprise subjecting rawhide to defatting and depilation treatment, then splitting the hide to obtain first, second, third, and fourth-layer rawhide materials, then defatting, rinsing, and sun-drying it to make a finished hide product, then shredding, mixing with adhesive, mould-pressing and forming, and drying the finished hide product to form a shaped adhesive product, and then smoking the shaped adhesive product to achieve the objectives of dyeing and flavoring and thus to obtain finished porkhide dog chew products.
  • FIG. 1 is a structural drawing of the smoking equipment provided by the present invention.
  • Hide material for shaped porkhide products has large pores, which are easily penetrated by smoke. It absorbs heat and absorbs smoke more readily than other hides such as cowhide. When combined with smoke the resulting odors are very pleasant. At the same time, the surface of shaped porkhide products is greasy. In situations where the general direct dyeing and flavoring methods prove ineffective, the surface grease is heated and melted, enabling the smoke to act on the shaped product while it is greasy so as to give it a bright luster while dyeing it.
  • Cowhide dog chews are suited to direct dyeing and flavoring because their hide materials have small pores and small amounts of grease, and for many years, the industry had a fixed way of thinking, or conceptual inertia: whenever one thought of changing the smell or color of a dog chew, one would think of directly dyeing and flavoring, i.e. of relying on the direct action of food dyes and flavor essences on finished product surfaces. Consequently, although porkhide dog chews enjoy a huge advantage in terms of raw materials and costs (especially in Shuitou Town, Wenzhou, Zhejiang, China), the fact that direct dyeing and flavoring are unable to improve its unappealing color and smell has meant that, for many years, porkhide dog chews have had a tiny market share.
  • the smoking process put forth by the present invention is simple and ingenious and effectively solves a difficulty involved in porkhide dog chew processing. It is as if a thin layer of paper were laid between the natural characteristics of porkhide and the unique effects of the smoking process. After the inventor poked an opening with one finger, success was quickly attained on both sides. Therefore, the present invention will play a critical role in the successful acceptance of porkhide dog chews in the marketplace.
  • the smoking process provided by the present invention thoroughly solves a problem that formerly plagued this product, i.e. the fact that, being very greasy, it could not easily be processed and was vulnerable to mildewing and thus had difficulty meeting standards during border-crossing inspections.
  • the shaped animal hide product or shaped adhesive product is placed on a box rack 3 in the smoking equipment.
  • the smoking equipment as shown in FIG. 1 , comprises a smoke generator 1 , a smoke box 2 , the box rack 3 , and a box cover 4 .
  • Smoke fuel 6 is placed in the smoke generator 1 .
  • the smoke generator 1 is heated such that the smoke fuel 6 produces smoke due to heating and oxygen-deficient carbonization.
  • the hot smoke rises and passes through airflow holes 5 to the box cover 4 and subsequently falls slowly to the box rack 3 , where it comes into contact and combines with the shaped product on the box rack 3 , thereby achieving the objective of changing the color and smell of the porkhide dog chew.
  • the temperature of the hot smoke gradually drops.
  • the temperature of the smoke rises and falls such that, while it is combining with the shaped product it will not be too high as to burn the product.
  • the ideal dimensions for the smoke box include an internal diameter between 50 cm and 120 cm, and a height from the smoke generator to the box rack greater than 20 cm. These dimensions cause the smoke to rise at least 20 cm before reaching the smoked object for the first time, thereby preventing excessively high smoke temperatures and preventing burning of the smoked object.
  • the result of a height from the box rack to the box cover of less than 25 cm provides that, after the smoke touches the top, the length of its descent is not much further.
  • the temperature will not be too low when the smoke touches the smoked object. This ensures the proper smoking effect.
  • the smoked object undergoes a full contact reaction with the smoke only after the smoke has risen and fallen back to the height where the smoked object lies.
  • the internal diameter of the smoke box ⁇ , the height from the smoke generator to the box rack ⁇ , and the height from the box rack to the box cover ⁇ are 78 cm, 30 cm, and 15 cm respectively. Therefore, the resulting smoking equipment can more effectively perform its smoking function.
  • the smoke fuel used in the smoking process primarily consists of a type of starch smoke fuel such as shredded sweet potato or bran coat or husked rice and a sugar smoke fuel such as dark brown sugar or raw sugar or light brown sugar or locally-produced rock sugar.
  • a type of starch smoke fuel such as shredded sweet potato or bran coat or husked rice
  • a sugar smoke fuel such as dark brown sugar or raw sugar or light brown sugar or locally-produced rock sugar.
  • the weight of the starch smoke fuel is from fifty-five to sixty-five percent of the total weight of the smoke fuel
  • the weight of the sugar smoke fuel is from forty-five percent to thirty-five percent of the total smoke fuel weight
  • the starch, sugar, and other main ingredients in the smoking process carbonize due to excessive heat and lack of oxygen, producing a fragrant, sweet smoke of cooked sugar and starch.
  • the rather high temperatures in the box also cause the surface layer of the shaped products to undergo partial cooking
  • the molecules of the surface layer move violently and combine very well with the smoke containing sugar and starch ingredients, thereby changing the color, smell, and taste of the shaped product and causing it to have a golden color and an appealing smell that is fragrant with a hint of sweetness.
  • the inventor has found as a result of a long period of experimentation that quite satisfactory results are obtained from using a smoke fuel composed of shredded sweet potato and dark brown sugar, wherein the shredded sweet potato is sixty percent of total weight and dark brown sugar is forty percent of total weight.

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  • Life Sciences & Earth Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Chemical & Material Sciences (AREA)
  • Zoology (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Animal Husbandry (AREA)
  • Food Science & Technology (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Birds (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Fodder In General (AREA)
  • Bakery Products And Manufacturing Methods Therefor (AREA)

Abstract

The present invention provides a method and apparatus of processing porkhide dog chews. The method includes the step of first subjecting pigskin rawhide to defatting and depilation treatment. Then the rawhide is split to obtain a first, a second, a third and a fourth layer of rawhide material. The rawhide material undergoes defatting, rinsing, and sun-drying to produce a finished hide product. The hide product is smoked to achieve objectives of dying and flavoring to result in a finished porkhide dog chew product.

Description

    CROSS-REFERENCE TO RELATED APPLICATIONS
  • This application is a division of U.S. application Ser. No. 12/875,682 filed Sep. 3, 2010, which is a continuation of U.S. application Ser. No. 10/106,402 filed Mar. 26, 2002, now U.S. Pat. No. 7,790,212, which, in turn, claims foreign priority to State Intellectual Property Office of the People's Republic of China Application No. 01105819.6, filed Mar. 31, 2001 and published Apr. 2, 2001, which subsequently issued on May 19, 2004, Patent Certificate No. 155117; the disclosures of which are incorporated in their entirety by reference herein.
  • TECHNICAL FIELD
  • The present invention relates to methods of processing pet food products made from animal hide.
  • BACKGROUND
  • Pet chewing bones made from animal hide are a type of pet food product, called dog chews in the industry. There is enormous market demand for these products in advanced countries such as Japan, the United States, the United Kingdom, and Australia. Annual sales volumes may reach billions of US dollars. These products are primarily produced in Brazil, Thailand, and China and are exported to countries where there is demand. The dog chew manufacturers in China are primarily located around Shuitou Town, Pingyang County, Wenzhou. The reason for this is that Shuitou Town has the largest pig and cattle tannery centers in China and thus provides a sure supply of raw materials for dog chew production.
  • In the process of making dog chews, raw hide undergoes defatting and depilation treatment. It is then split into first, second, third, and fourth layers of rawhide material, which then undergo further defatting, rinsing, and sun-drying to become finished hide products. The finished hide product is then cut, soaked, plaited and shaped, dried, dyed, and flavored, and the result is animal hide dog chews. If the finished-product hide is shredded, mixed with adhesive, mould-pressed and formed, dried, dyed, and flavored, the result is an adhesive product dog chew. That is, dog chews can be classed either as animal hide dog chews or as adhesive product dog chews, depending on the processing steps. In addition, dog chews can also be classed according to the raw material as either cowhide dog chews or porkhide dog chews.
  • The fact that cowhide has small pores and less grease means that cowhide dog chews boast smooth and lustrous surfaces that can easily be dyed different colors and soaked to take on many delicious flavors. The aforementioned process of dyeing and flavoring consists of directly using food dyes and flavor essences on the surface of the finished product. This method is very well suited to cowhide dog chews. Because pork hides have large pores and high fat content, porkhide dog chews appear rough, plain, dull, and white. They smell of rawhide and uncooked oil. Moreover, there is no way to dye or flavor them, for their oily surface can hardly absorb any dyes or flavor essences. Therefore, although the raw material for porkhide dog chews enjoys a huge advantage in terms of availability and ease of purchase (relative to cowhide), it is difficult to change the unappealing color and odor of porkhide dog chews using the current, general dyeing and flavoring methods. As a result, cowhide dog chews have won most of the dog chew market, and porkhide dog chews have just a minor share of the market.
  • A goal of the present invention is to provide a porkhide dog chew processing method that can thoroughly change the original color and odor of porkhide dog chews.
  • SUMMARY
  • In order to achieve the above-described objective, the technical solution of the present invention is thus: To use a smoking process on semi-finished porkhide chew products, i.e. shaped hide products or shaped adhesive products, to achieve the objectives of flavoring and dyeing.
  • The above-described technical solution can be: a method of processing porkhide dog chews, the primary processing procedures of which comprise subjecting rawhide to defatting and depilation treatment, then splitting the hide to obtain first, second, third, and fourth-layer rawhide materials, then defatting, rinsing, and sun-drying same to make a finished hide product, then cutting, soaking, pleating, shaping, and drying the finished hide product to form a shaped animal hide product, and then smoking the shaped animal hide product to achieve the objectives of dyeing and flavoring and thus to obtain finished porkhide dog chew products.
  • The above-described technical solution can also be: a method of processing porkhide dog chews, the primary processing procedures of which comprise subjecting rawhide to defatting and depilation treatment, then splitting the hide to obtain first, second, third, and fourth-layer rawhide materials, then defatting, rinsing, and sun-drying it to make a finished hide product, then shredding, mixing with adhesive, mould-pressing and forming, and drying the finished hide product to form a shaped adhesive product, and then smoking the shaped adhesive product to achieve the objectives of dyeing and flavoring and thus to obtain finished porkhide dog chew products.
  • BRIEF DESCRIPTION OF THE DRAWINGS
  • FIG. 1 is a structural drawing of the smoking equipment provided by the present invention.
  • DETAILED DESCRIPTION
  • As required, detailed embodiments of the present invention are disclosed herein; however, it is to be understood that the disclosed embodiments are merely exemplary of the invention that may be embodied in various and alternative forms. The figures are not necessarily to scale; some features may be exaggerated or minimized to show details of particular components. Therefore, specific structural and functional details disclosed herein are not to be interpreted as limiting, but merely as a representative basis for teaching one skilled in the art to variously employ the present invention.
  • Hide material for shaped porkhide products has large pores, which are easily penetrated by smoke. It absorbs heat and absorbs smoke more readily than other hides such as cowhide. When combined with smoke the resulting odors are very pleasant. At the same time, the surface of shaped porkhide products is greasy. In situations where the general direct dyeing and flavoring methods prove ineffective, the surface grease is heated and melted, enabling the smoke to act on the shaped product while it is greasy so as to give it a bright luster while dyeing it.
  • Cowhide dog chews are suited to direct dyeing and flavoring because their hide materials have small pores and small amounts of grease, and for many years, the industry had a fixed way of thinking, or conceptual inertia: whenever one thought of changing the smell or color of a dog chew, one would think of directly dyeing and flavoring, i.e. of relying on the direct action of food dyes and flavor essences on finished product surfaces. Consequently, although porkhide dog chews enjoy a huge advantage in terms of raw materials and costs (especially in Shuitou Town, Wenzhou, Zhejiang, China), the fact that direct dyeing and flavoring are unable to improve its unappealing color and smell has meant that, for many years, porkhide dog chews have had a tiny market share.
  • The smoking process put forth by the present invention is simple and ingenious and effectively solves a difficulty involved in porkhide dog chew processing. It is as if a thin layer of paper were laid between the natural characteristics of porkhide and the unique effects of the smoking process. After the inventor poked an opening with one finger, success was quickly attained on both sides. Therefore, the present invention will play a critical role in the successful acceptance of porkhide dog chews in the marketplace. In addition to having dyeing and flavoring effects, the smoking process provided by the present invention thoroughly solves a problem that formerly plagued this product, i.e. the fact that, being very greasy, it could not easily be processed and was vulnerable to mildewing and thus had difficulty meeting standards during border-crossing inspections.
  • In order to change the original unappealing color and smell of the porkhide dog chew, the shaped animal hide product or shaped adhesive product is placed on a box rack 3 in the smoking equipment. The smoking equipment, as shown in FIG. 1, comprises a smoke generator 1, a smoke box 2, the box rack 3, and a box cover 4. Smoke fuel 6 is placed in the smoke generator 1. The smoke generator 1 is heated such that the smoke fuel 6 produces smoke due to heating and oxygen-deficient carbonization. The hot smoke rises and passes through airflow holes 5 to the box cover 4 and subsequently falls slowly to the box rack 3, where it comes into contact and combines with the shaped product on the box rack 3, thereby achieving the objective of changing the color and smell of the porkhide dog chew. During the process of hot smoke rising and then falling, the temperature of the hot smoke gradually drops. As a result of the gap between the smoke generator 1 and the box rack 3 and between the rack 3 and the box cover 4, the temperature of the smoke rises and falls such that, while it is combining with the shaped product it will not be too high as to burn the product.
  • While the shaped porkhide dog chew product is being smoked, it must not be subjected to temperatures that are either too high or too low. Otherwise, it may very well burn, or the smoking may be ineffective due to insufficient heat. Therefore, the inventor deduced through several trials that the ideal dimensions for the smoke box include an internal diameter between 50 cm and 120 cm, and a height from the smoke generator to the box rack greater than 20 cm. These dimensions cause the smoke to rise at least 20 cm before reaching the smoked object for the first time, thereby preventing excessively high smoke temperatures and preventing burning of the smoked object. The result of a height from the box rack to the box cover of less than 25 cm provides that, after the smoke touches the top, the length of its descent is not much further. Thus, after the smoke falls back, the temperature will not be too low when the smoke touches the smoked object. This ensures the proper smoking effect. During the smoking process, the smoked object undergoes a full contact reaction with the smoke only after the smoke has risen and fallen back to the height where the smoked object lies. In FIG. 1, the internal diameter of the smoke box Φ, the height from the smoke generator to the box rack α, and the height from the box rack to the box cover β are 78 cm, 30 cm, and 15 cm respectively. Therefore, the resulting smoking equipment can more effectively perform its smoking function.
  • The smoke fuel used in the smoking process primarily consists of a type of starch smoke fuel such as shredded sweet potato or bran coat or husked rice and a sugar smoke fuel such as dark brown sugar or raw sugar or light brown sugar or locally-produced rock sugar. Moreover, when the weight of the starch smoke fuel is from fifty-five to sixty-five percent of the total weight of the smoke fuel, and when the weight of the sugar smoke fuel is from forty-five percent to thirty-five percent of the total smoke fuel weight, the results of the smoking processing are quite good. The starch, sugar, and other main ingredients in the smoking process carbonize due to excessive heat and lack of oxygen, producing a fragrant, sweet smoke of cooked sugar and starch. The rather high temperatures in the box also cause the surface layer of the shaped products to undergo partial cooking The molecules of the surface layer move violently and combine very well with the smoke containing sugar and starch ingredients, thereby changing the color, smell, and taste of the shaped product and causing it to have a golden color and an appealing smell that is fragrant with a hint of sweetness. The inventor has found as a result of a long period of experimentation that quite satisfactory results are obtained from using a smoke fuel composed of shredded sweet potato and dark brown sugar, wherein the shredded sweet potato is sixty percent of total weight and dark brown sugar is forty percent of total weight.
  • While embodiments of the invention have been illustrated and described, it is not intended that these embodiments illustrate and describe all possible forms of the invention. Rather, the words used in the specification are words of description rather than limitation, and it is understood that various changes may be made without departing from the spirit and scope of the invention.

Claims (5)

What is claimed is:
1. A smoking apparatus for smoking porkhide products comprising:
a smoke generator heated to cause smoking fuels, disposed in the smoke generator, to produce hot smoke;
a smoke box for containing the smoke;
a box rack for supporting a shaped hide product in the smoke box, above the smoke generator, wherein the height from the smoke generator to the box rack is no less than 20 cm to prevent burning of the product caused by excessively high temperatures and to allow a surface layer of the shaped hide product to undergo partial cooking and react with the smoke; and
a box cover for containing and redirecting rising smoke such that the smoke falls back slowly to the box rack and comes into contact with the shaped hide product on the box rack, wherein the height from the box rack to the box cover is no greater than 25 cm to prevent the temperature of the falling smoke from excessive cooling, thereby ensuring a proper smoking effect;
wherein the shaped hide product, undergoing the smoking process, becomes dyed and flavored, resulting in a finished porkhide dog chew.
2. The smoking apparatus of claim 1, wherein an internal diameter of the smoke box is greater than 50 cm and less than 120 cm.
3. The smoking apparatus of claim 1, wherein the smoke fuel further comprises a starch smoke fuel and a sugar smoke fuel, such that the weight of the starch smoke fuel is from fifty-five to sixty-five percent of the total smoke fuel weight, and the weight of the sugar smoke fuel is from forty-five percent to thirty-five percent of the total smoke fuel weight.
4. The smoking apparatus of claim 3, wherein the starch smoke fuel is further defined as shredded sweet potato and the sugar smoke fuel is further defined as dark brown sugar, wherein the sweet potato is sixty percent of the total weight, and the dark brown sugar is forty percent of the total weight.
5. The smoking apparatus of claim 1, wherein the hot smoke is produced due to heating and oxygen-deficient carbonization of the smoking fuels.
US13/681,559 2001-03-31 2012-11-20 Smoking apparatus for processing porkhide dog chews Abandoned US20130081546A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US13/681,559 US20130081546A1 (en) 2001-03-31 2012-11-20 Smoking apparatus for processing porkhide dog chews

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
CNB011058196A CN1149936C (en) 2001-03-31 2001-03-31 Technology for preparing chewing gum from pork skin for dog
CN01105819.6 2001-04-02
US10/106,402 US7790212B2 (en) 2001-03-31 2002-03-26 Method of processing porkhide dog chews
US12/875,682 US8337935B2 (en) 2001-03-31 2010-09-03 Porkhide dog chews
US13/681,559 US20130081546A1 (en) 2001-03-31 2012-11-20 Smoking apparatus for processing porkhide dog chews

Related Parent Applications (1)

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US12/875,682 Division US8337935B2 (en) 2001-03-31 2010-09-03 Porkhide dog chews

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US20130081546A1 true US20130081546A1 (en) 2013-04-04

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US10/106,402 Expired - Fee Related US7790212B2 (en) 2001-03-31 2002-03-26 Method of processing porkhide dog chews
US10/972,850 Abandoned US20050056159A1 (en) 2001-03-31 2004-10-25 Smoking apparatus for processing porkhide dog chews
US12/875,682 Expired - Fee Related US8337935B2 (en) 2001-03-31 2010-09-03 Porkhide dog chews
US13/681,559 Abandoned US20130081546A1 (en) 2001-03-31 2012-11-20 Smoking apparatus for processing porkhide dog chews

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US10/106,402 Expired - Fee Related US7790212B2 (en) 2001-03-31 2002-03-26 Method of processing porkhide dog chews
US10/972,850 Abandoned US20050056159A1 (en) 2001-03-31 2004-10-25 Smoking apparatus for processing porkhide dog chews
US12/875,682 Expired - Fee Related US8337935B2 (en) 2001-03-31 2010-09-03 Porkhide dog chews

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US6886496B1 (en) 2002-09-12 2005-05-03 Van H. Brown Pet chew toy
US7025020B2 (en) * 2002-09-12 2006-04-11 Brown Van H Pet chew toy
US7107938B2 (en) * 2002-12-19 2006-09-19 Brown Van H Pet chew toy with integrally-formed flavor pockets
CN1164770C (en) * 2002-12-20 2004-09-01 周青标 Pig hide bleaching foaming process and products thereby
US7013838B2 (en) 2002-12-20 2006-03-21 Frank Jay Hague Bleached expanded pigskin and products
US6895900B2 (en) * 2003-01-10 2005-05-24 Salix Llc Animal chew toy
US20050217603A1 (en) * 2003-01-10 2005-10-06 Salix L.L.C. Animal chew toy
CN1268200C (en) * 2003-03-05 2006-08-09 刘尚武 Production method of pet articles and its equipment
CN1299569C (en) * 2003-04-04 2007-02-14 张士平 Processing method of pressure-moulded dog chewing gum
CN1317972C (en) * 2003-06-11 2007-05-30 徐嘉隆 Preparation method of oxhide bone attached with edible meat
US7976884B2 (en) * 2003-08-01 2011-07-12 Nestec Ltd. Edible animal chew toy
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US7790212B2 (en) 2010-09-07
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CN1149936C (en) 2004-05-19
US20070128321A2 (en) 2007-06-07
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US20050056159A1 (en) 2005-03-17
US20020142079A1 (en) 2002-10-03

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